WO2023208237A1

WO2023208237A1 - Packaging structure, packaging sheet, packaging structure group and preparation method

Info

Publication number: WO2023208237A1
Application number: PCT/CN2023/091891
Authority: WO
Inventors: 黄泓润
Original assignee: 黄泓润
Priority date: 2022-04-28
Filing date: 2023-04-28
Publication date: 2023-11-02

Abstract

A packaging structure, a packaging sheet, a packaging structure group and a preparation method. The packaging structure provides a plurality of structural forms for opening a package via a corner, a plurality of structural forms having three top corners, and a plurality of structural forms having accessories accommodated therein. A packaging blank is used for forming the packaging structure. The packaging structure group comprises a plurality of packaging structures, which are fixed in series, such that the processing, transport and usage thereof are facilitated. The preparation method is used for processing a packaging structure or a packaging structure group, which has a corner recess.

Description

Packaging structure, packaging sheet, packaging structure group and preparation method

Technical field

This application relates to the field of food packaging technology, and specifically relates to a packaging structure, packaging sheet, packaging structure group and preparation method.

Background technique

At present, there are many types of food packaging, and the types and characteristics of each type of packaging are also different. However, each type of packaging can only contain the type of content that matches its own characteristics. The compatibility of the packaging is not strong, the use is not convenient enough, and the transportation cost is high. Not hygienic and environmentally friendly enough.

1. In the existing technology, various packaging is used to hold drinks, such as paper-plastic packaging for drinks. Most ordinary paper-plastic packaging can only hold liquid contents, and the content that can be held is a single type; with two inner The angled roof-type packaging requires multiple steps to open and is inconvenient. Moreover, due to the influence of the two inner angled corners, it is impossible to open a larger opening. And because its top surface is roof-shaped, the top cannot directly bear pressure during transportation. There are also The limitations of the processing method make it unable to contain contents other than liquids; the packaging of the tear-off aluminum foil main seal area requires repeated folding of the aluminum foil before it can be torn open, which is a cumbersome step; the traditional liquid food can packaging and eight-treasure porridge cans on the market are Its cylindrical shape has higher transportation costs than rectangular packaging, and it has a lid to hold the spoon. It cannot be sealed and cannot ensure the health and safety of the spoon. It cannot be connected to the packaging. It is also made of a different material from the packaging body, which is harmful to the environment. The impact is greater; glass can packaging is large in size, heavy, fragile, and inconvenient to carry; plastic flexible packaging for condiments has poor ability to stand on a flat surface, and the packaging texture is soft so that it is inconvenient to pour out.

In the existing technology, the processing technology for food packaging with inward folding corners, such as roof-type packaging structures, is too complicated, requires multiple processes, and requires two or three sets of equipment to complete the entire process of processing and filling, which is time-consuming, labor-intensive, and difficult to operate. It is inconvenient and has low production efficiency; and due to the order of filling first and then cornering in the existing technology, contents with large internal friction resistance and poor fluidity are not compatible with this type of packaging.

In summary, providing a packaging that is highly compatible, easy to use, hygienic and environmentally friendly, and has low transportation costs has become one of the technical problems solved by this application.

2. In the existing technology, beverage packaging structures are mainly divided into soft packaging structures and hard packaging structures. The soft packaging structure will deform due to its extrusion, making it inconvenient for storage and transportation. Although the hard packaging structure is convenient for storage and transportation, when drinkers open the hard packaging structure, they often need to cut or tear the packaging structure. The entire main seal is required to enjoy the drink, and the opening process is time-consuming and labor-intensive, which is very inconvenient.

To sum up, how to avoid the time-consuming and labor-intensive opening of the packaging structure when the drinker drinks the drink is one of the technical problems solved by this application.

3. Among the beverage packaging in the existing technology, most of the packages do not have a straw. At this time, if you want to suck the drink in the package through the straw, you need to find another merchant to get it, which is very inconvenient; some packages also have a straw on the outer wall of the package. Gluing a straw, however, in this way, the straw can easily be squeezed out during packaging, transportation or transfer. At the same time, the external straw can easily be contaminated by external dirt due to the rupture of the external film, making it impossible to Use, and the materials of straws and packaging are different, which is not conducive to garbage classification and recycling. If the film bags and straws containing straws are not connected to the main body of the packaging, they are easily discarded by customers. Small garbage is difficult to clean, causing global ecological environment and marine garbage. The problem is becoming increasingly serious.

In the existing can packaging for liquid food, such as the eight-treasure porridge can, there is an unsealed plastic cover on the top to accommodate a folding spoon. First of all, this plastic cover is made of a different material than the aluminum can, which brings trouble to garbage classification. Secondly, the plastic cover cannot be stored tightly Straws, if the package comes into contact with water, can easily contaminate the spoon inside. Finally, the plastic cover is not connected to the packaging body, which can easily generate additional unnecessary garbage. In the context of the increasingly severe situation of marine litter and the global environmental context of carbon neutrality goals, garbage Turning parts into wholes is the future trend.

In summary, based on the background of global environmental governance and carbon neutrality goals, as user requirements become higher and higher, providing a packaging structure with processed straws and functional layers within the packaging structure has become one of the technical problems solved by this application .

4. For the existing Ecolean packaging, see the patent document with application publication number CN107801388A, which has a pouring opening.

Ecolean bottles need to have an inflatable handle to hold or provide vertical support. At the sales end, they are usually sold in several packages as a set. If you can provide a bottle that can stand upright without inflating The pot-shaped packaging can be combined into a row like building blocks, which can reduce ineffective space during transportation, improve transportation efficiency and improve packaging stability.

Moreover, the Ecolean pot is made of three pieces of plastic packaging material, which is cumbersome to process, and waste waste is generated during the processing to cut into sheets with curved edges.

Ecolean packaging is not conducive to standing upright on the table. It has a pouring spout, but it cannot guarantee the hygiene around the pouring spout and has to provide a straw. Moreover, because the pouring spout is made of two pieces of soft material, it cannot be sucked directly and must be squeezed. , so from a usage perspective, the pouring spout of the Ecoline pot cannot be used as a sucking spout to replace a straw.

Ecolean pots have a short shelf life, while pots made from laminated materials have a longer shelf life.

At the same time, most other prior art packaging has plastic straws or injection-molded openings. However, accessories such as straws are easily lost, or separate fragments of waste such as straws and their wrapping films are generated. The fragments of waste are not conducive to subsequent processing.

In summary, providing a packaging that can reduce fragmented garbage and facilitate the installation of openings to replace plastic accessories such as straws and injection molding openings has become one of the technical problems solved by this application.

5. At present, food packaging is mainly divided into soft packaging and hard packaging.

In the prior art, soft packaging will deform due to being squeezed by it, making it inconvenient for storage and transportation. Although hard packaging is convenient for storage and transportation, it often needs to be cut when the drinker opens the hard packaging. The package must be torn open or the entire main seal (similar to the bottle mouth) can be enjoyed, and the opening process is time-consuming, laborious, and very inconvenient.

Later, people invented packaging with straws, such as the patent document with publication number CN111137524A. However, the straw is located on the outside and can easily fall off.

6. Existing milk and other beverages are mostly contained in sealed packaging structures.

See the patent document with publication (announcement) number CN108349206A. It is a hexahedron as a whole, equipped with four support flutes, and the six sides are parallelograms. However, it is still easy to deform, and the stability of the packaging structure is poor.

Most of the existing technologies are brick-shaped packaging with six sides. However, the brick-shaped packaging is not eye-catching when placed on the shelf. If it is placed in a deeper position on the shelf or on the lower floor, it is generally difficult to see the graphics on the front clearly, and customers do not know it. What is it? And the opening method is single, both require peripheral accessories and cannot be poured out.

Please refer to the patent document with publication (announcement) number CN101808816A. The front side is convenient for display (that is, it is helpful to attract consumers), but it has no support flutes and the stability of the packaging is poor. For this reason, it is necessary to use thicker blanks or introduce other The load-bearing support is like a bubble.

The existing Ecolean pot is a package with a slope, a slope or a curved surface, and a pourable fluid channel, which can overcome the above problems, but sacrifices the stability of the packaging, and is composed of three pieces of packaging materials. The process is complex.

The existing technology to produce packaging structures with concave corners, such as the processing method of making roof-type packaging, requires the packaging to be formed one by one. The concave corner area is subjected to external force interference to form a slightly concave preformed concave corner state, and the processing process is cumbersome. Therefore, this packaging structure cannot achieve faster processing, and the productivity cannot be compared with that of the rapid processing equipment for making square tiles using the existing technology. rates are comparable.

In summary, one of the technical problems solved by this application is to provide a package with an opening structure that is convenient for opening, so that the accessories (or straws) in the package can be taken out from the hole.

Contents of the invention

In order to solve the above problems, the present invention provides a packaging structure, packaging sheet, packaging structure group and preparation method.

The object of the present invention is achieved in the following manner: a packaging structure, which is formed by folding a single packaging structure sheet.

Furthermore, the packaging structure has corners formed by curling or folding, which are inward concave corners or outward convex convex corners.

Further, the corners include tapered corners or flat corners, which are divided into concave corners and convex corners; the concave corners are concave inward, which are inwardly folded corners or inserted corners, used to accommodate the corners of other packaging bodies, or to provide openings to provide a The way to open the package from the concave corner; the convex corner protrudes outward, which is a tapered corner or an outward folding corner, and is used to set the opening.

Further, the packaging structure also includes an opening structure of a preset shape, the whole or a part of the opening structure is located at the corner, and/or the opening structure is assisted in opening by the corner;

The packaging sheet is a single layer of material or a laminated material formed by combining multiple layers of materials; the opening structure includes opening and sealing structures;

The opening is a preset-shaped area defined by tear lines and/or through holes on at least one material layer of the packaging sheet; the area at least includes a local corner sealing area and/or a lower corner surface;

The sealing structure is a part of the packaging sheet that covers the opening area, or an independent covering structure that is not connected to the packaging sheet; before the sealing structure is destroyed, the opening is in a sealed state.

Further, the corner is a convex corner, and the opening structure is located at least in the convex corner sealing area, that is, at least the sealing structure located in the convex corner sealing area is removed to form an opening at least on the top surface of the corner, and/or,

The corners are convex corners, and at least part of the sealing structure of the opening structure is located at the vertex of the outer folded corner. When the sealing structure is removed, the sucking mouth can be formed.

Furthermore, the external sealing structure located at the outer corner is a folded wrapping sleeve, or the inner corner of another packaging structure, that is, the outwardly protruding corners are wrapped by the external sealing structure and can be pulled outwards. Set up a sealing structure to destroy the opening structure; and/or

The unconnected area on the outer folded corner is the sanitary area where the sucking port and the mouth are in contact.

Further, the corner is a concave corner or an outward folded corner, and a tear line is provided at the sealing structure. At least a part of the tear line is located on the surface of the corner and the top surface of the packaging structure. After the tear line is broken, the position of the corner will The top surface of the packaging structure separates to form an opening; and/or

The sealing structure is provided with a handle area, and the handle area is provided with a handle, which is a component protruding from the top surface.

Further, the corner is an external folding corner, the opening structure is located on the lower corner surface, the external folding corner can be folded and attached to the side wall, and the opening structure is connected to the side wall to destroy the hidden opening structure by lifting the external folding corner, and/or

The opening structure is connected to the side wall through a tear guide portion. The tear guide portion is a tear guide sheet that is folded in half. The opening direction of the tear guide portion is toward the intersection of the outer folding corner and the side wall. The tear guide portion includes a first tear guide sheet and The second tear guide sheet is connected to the first tear guide sheet, the first tear guide sheet is bonded to the side wall, and the second tear guide sheet is bonded to the sealing structure.

Further, it also includes a one-way pouring structure provided on the inner wall and used to cover the pouring outlet. The one-way pouring structure can be used for all The beverage in the main body of the packaging structure is poured out from the pouring outlet, and can prevent external air from entering the inner cavity of the main body of the packaging structure; the one-way pouring structure includes:

The first material layer is fixedly connected to the inner wall of the inner layer structure and is provided with a through hole, which is used to guide the beverage in the main body of the packaging structure to the pouring outlet;

The second material layer is provided between the first material layer and the inner wall to prevent external air from entering the inner cavity of the packaging structure body;

The first material layer and the second material layer are two material layers, or the same material layer is folded to form a double-layer structure of different lengths.

Further, the corner is an outward folding corner, and the opening structure includes the entire outer folding corner and the outer folding corner sealing area to completely separate the outer folding corner to form the pouring outlet, or,

The top surface of the corner with the opening has longitudinal marks to assist in shaping the spout, or,

Partially seal the flattened outer corner edge and provide a shear opening in the sealing area so that the package can be torn open through the shear opening, or,

Partially seal the upper and lower sides of the flat outer folded corners, and punch holes in the sealed areas to form pull tabs and handles.

Furthermore, the upper part of the packaging structure has a concave corner, which is located on the other side of the convex corner and has a concave corner that can be embedded by the convex corner; and/or the convex corner can be covered or connected by the concave corner of another packaging structure, so that the two aspects can be achieved. More than two packages are neatly arranged or connected, and two or more packaging structures with convex corners can be matched.

Further, the packaging structure is one of the following three types:

S1. The top of the packaging structure is roof-shaped, with the convex angle protruding from the side wall and forming a triangular pyramid angle;

S2. The top of the packaging structure is quadrilateral, and the convex corners are flat and folded outwards;

S3. The bottom surface of the packaging structure is a quadrilateral. As it gradually extends upward, its cross-sectional area gradually becomes smaller. When it extends to the uppermost end, it is linear, and its front view is trapezoidal, that is, it has oblique convex corners.

Further, the corner is a concave corner, the folding line of the corner sealing area of the concave corner is not covered by the main sealing area, and the package is opened through the concave corner without being hindered by the crease line, and the package is a pillow-shaped package or an upright package; or

The opening structure at least includes an inner folding line of the concave corner sealing area, so that by breaking apart the concave corner sealing area and destroying the inner folding line, the top of the package can be opened by continuing to break along the top sealing area.

Further, the packaging structure has an opening, and the inner wall of the packaging has a connected built-in layer. The built-in layer is used to form a cavity to isolate or accommodate built-in accessories, or to form a straw structure.

Further, the built-in layer is curled into an arch or tube shape and connected to the inner wall of the package to jointly form a straw structure. The built-in layer has at least two layers of materials, in which the material layer that provides support performance is partially hollowed out, and the other film layer at least covers the hollowed out position. The built-in layer that forms a straw structure after being bent can be bent, and the user can take out the upper part of the straw through the opening.

Further, the accessories are straws, spoons, forks, and chopsticks; the built-in layer at least covers the opening position, and the straws are specifically bendable straws or telescopic straws, and the lower end of the bendable straws or telescopic straws is not covered by the The cavity covers and is fixed on the inner wall of the package. The upper part of the telescopic straw or the upper part and the bent part of the bendable straw are accommodated by the cavity. The upper part of the bendable straw extends to the inner top surface of the packaging structure and can be passed through Open the opening and take out the upper part of the straw for use.

Furthermore, the accessories are arranged non-parallel to the corrugations of the packaging structure, that is, they are arranged diagonally towards the bottom corner of the package, making it easier for the straw to absorb, or allowing the accessories to be designed to be longer, or

Parts of the accessory are arranged in the same direction as the opening structure and connected, so that the accessory can be taken out simultaneously by pulling the opening structure.

Furthermore, the accessories are condiments, and the packaging structure can be sealed packaging or non-sealed outer packaging. The cavity formed by the inner layer is a sealed structure. The inner layer is destroyed so that the condiments can fall into the packaging contents. Use it for seasoning or brewing, or place the shell package flat on the table and open the opening structure to use the condiments.

Furthermore, the packaging body is provided with an inner folding structure. At least a part of the inner folding structure is connected to the built-in layer. By tilting the flat inner folding structure, the built-in layer can be torn apart, so that the built-in layer can be removed without damaging the sealing structure. Cavity damage; or

The packaging body is provided with an inner folding angle structure, and the built-in layer is located below the inner folding angle. The inner folding angle squeezes the inner layer to destroy the cavity, so that the solution in the cavity falls into the contents.

Further, the packaging structure has three vertices on at least one side and at least one upright surface.

Further, the packaging structure is formed by folding packaging structure sheets, and the surface with three vertices is the top surface and/or the upright surface, and the upright surface is at least perpendicular to one side; the sealing surface of the packaging structure includes the top surface and the bottom surface. ; It has corners, including flat corners and non-flat corners, which can be concave or convex toward the packaging structure, and also has curved or inclined surfaces.

Furthermore, the surface with three vertices is an upright surface, and is composed of three vertices with concave non-flat angles; the bottom surface of the packaging structure is a quadrilateral, tapering upward to a line, and its front view is trapezoidal, that is, an upright surface. The opposite side has a non-flat angle that is obliquely convex.

Further, the concave non-flat corner can be embedded by the convex non-flat corner, or,

The convex non-flat corners can be covered or connected by the concave non-flat corners of another packaging structure, so that two or more packages can be neatly arranged or connected, and two or more packaging structures with convex corners can be fit together.

Furthermore, the upright surface of the packaging structure is a quadrilateral, and the surface with three vertices is the top surface; the bottom edge of the top surface has a connected flat angle, and the angle between the two sides of the flat angle is less than 90 degrees.

Further, the opposite side of the upright surface has a non-flat corner, the side vertex of the corner is located on the top surface, and is folded inward or outward; the side bottom edge of the non-flat corner is collinear or not collinear with the edge of the bottom surface.

Further, the opposite side of the upright surface has a longitudinally arranged flat corner, the side apex of the corner is located on the top surface, and is folded inward or outward; and/or

The longitudinally arranged flat corners folded outward are sealed and cut to form handles, and the packaging structure is opened through the flat corners or the top sealing area, resulting in a pot-shaped package with handles.

Further, the packaging structure is in the form of a triangular prism with a triangular bottom surface, and the quadrilateral upright surface can be used as the bottom surface for transportation and use; and/or the opposite side of the upright surface of the triangular prism packaging structure has an integrally formed functional area structure, which can For use as a carrying handle, or as a sandwich for sealing accessories; and/or

The upright surface of the triangular prism can have an opening at a position opposite to the side ridges.

Furthermore, the packaging structure is in the shape of a triangular prism with a triangular bottom surface, and the quadrilateral upright surface can be used as the bottom surface for transportation and use. The opposite side of the upright surface of the packaging structure has an integrally formed functional area structure, which is used as a handle. The upright surface of the triangular prism has an opening at a position opposite to the side corrugation, and the packaging structure is a packaging structure bag.

Further, the bottom surface of the packaging structure is a quadrilateral, tapering upward to form a surface with three vertices, and its front view is trapezoidal, that is, the opposite side of the upright surface also has a surface with three vertices, forming a convex angle, or

The bottom surface of the packaging structure is a quadrilateral, tapering upward to form a diagonally inclined top surface with three vertices, and the opposite side of the upright surface also has a surface with three vertices, forming a convex angle.

Furthermore, there is at least one side that tapers toward the opposite side, and the packaging structure has an oblique opening and/or an oblique fluid channel, that is, an opening structure is provided on the protruding corner for opening, or the packaging structure is unsealed from the top surface. to create an oblique opening.

Furthermore, the packaging structure is composed of structural lines to form the supporting ribs on the vertical surface and the bottom surface, and the remaining areas are divided by decorative lines. The decorative lines include imaginary lines and/or trace lines. The imaginary lines are the bends that make the flat packaging sheet bend into a curved surface. The folding axis and the mark line are the lines that make the flat packaging sheet bend into multiple faces;

Fusing at least two surfaces or areas into continuous surfaces by reducing part or all of the trace lines and bending them into curved surfaces with imaginary lines; or

By adding additional lines, the surface can be split into at least two faces, or a plane can be split to meet the needs of appearance and design.

A kind of packaging sheet used to make the above packaging structure. It is an integrated structure. The vertical surface and the bottom surface are divided by structural lines and used to form its supporting flutes. The remaining areas are divided by decorative lines. The decorative lines include imaginary lines and Indentation line, the imaginary line is the bending axis that makes the flat packaging sheet bend into a curved surface, and the mark line is the flute that makes the flat packaging sheet bend into multiple faces; and there is at least one for bending An angular area with non-flat angles, or at least a triangular top area.

Further, the corner area at least includes a triangular lower bottom surface and a corner top surface area distributed and connected to its two side edges, or the side edges of the corner area are in a curve convex toward the corner area.

A packaging structure group including the above-mentioned packaging structure, including a plurality of packaging structures fixed in series, at least one of the packaging structures is the packaging structure as claimed in claim 2, when two adjacent packaging structures are connected, one of the packaging structures The convex corners of the packaging structure are embedded in the concave corners of another packaging structure.

Further, when the concave angle of the packaging structure is a flat angle, the embedded convex angle is also a flat angle; or, when the concave angle of the packaging structure is a cone-shaped angle, the embedded convex angle is a cone-shaped angle matching its shape.

A method for preparing a packaging structure group, which is prepared in the order of steps S1, S2, and S3, or in the order of steps S2, S1, and S3, specifically:

S1. Complete sealing of the lower bottom surfaces of at least two cylindrical blanks, so that each cylindrical blank is a fillable packaging blank;

S2. Arrange at least two cylindrical blanks side by side in the same posture, and contact or connect the two areas of the convex angle and concave angle to be formed on any two adjacent cylindrical blanks correspondingly, so that these cylindrical blanks become a blank group;

S3. Fill the blank group obtained in step S1 or step S2, and seal the top sealing area to form the packaging structure, that is, the packaging structure is obtained, and any two adjacent packaging structures are connected by a fitting structure;

The "lower bottom surface" in step S1 is the bottom surface during filling, the real lower bottom surface of the packaging structure, or the upper bottom surface of the packaging structure.

Further, in step S2, the two areas of the convex angle and the concave angle to be formed are tilted according to the packaging structure of claim 34 through external force interference.

A packaging structure having a concave corner with a convex corner on its opposite side, or,

A packaging structure with concave corners used to hold solid particles, semi-liquid and semi-granular liquid food, or semi-solid contents.

A method for preparing concave corners in packaging structures, including:

S1. Arrange at least two cylindrical blanks to be processed side by side in the same posture; or load the cylindrical blanks into the processing car with convex corners in the same posture.

S2. Contact or connect the two areas of the convex angle and the concave angle to be formed on any two adjacent cylindrical blanks correspondingly, or bring at least two processing trolleys with the same posture close to each other;

S3. When the two are folded, the convex corner of one of the packages or the convex corner of the processing trolley is embedded into the concave corner to be formed, and sealed to form the concave corner.

Further, at least two processing trolleys with convex corners are moved along the same track in the same attitude, and the cylindrical blank is loaded onto the processing trolley;

When running in the first track area of the track, the two processing trolleys run with a gap between them. At this time, they are used to load the cylindrical blanks onto the processing trolley;

When running in the second track area of the track, the two processing trolleys are close together so that the convex corners of the processing trolleys are embedded in the concave corners to be formed to form a preformed concave corner structure; they are then sealed to form the concave corners.

Further, first make and seal the sealing surface with concave corners, then fill it, and then seal the remaining sealing surface; or

The sealing areas on both sides of the preformed concave corner structure are brought close to each other through two baffles 608 that are close to each other; or

Sealing preformed recessed corner structures of multiple packaging structures simultaneously or sequentially.

Compared with the existing technology, the technical effects of this application include:

1. Inner folds can be processed on the packaging structure. The packaging structure with inner folds allows users to open the package from the inner folds, thus providing users with another option besides cutting the package. The seal can be opened from the inner folds. The main seal of the packaging structure can be completely unsealed without tools, which is convenient and labor-saving, or a reusable pouring spout can be opened. This packaging is used to contain products that are in a semi-solidified state after cooling, such as pre-made vegetable products. Compared with the existing technology packaging in which the aluminum foil is the upper sealing area, the entire main sealing area needs to be opened by repeatedly folding and then tearing off. The inner folded corner can be used to unseal the complete upper sealing area in one step, which will not generate additional waste, and can open the entire upper sealing opening in one step, which is more labor-saving and convenient, catering to the needs of consumers; use this package to contain liquid food products that are half liquid and half granular. For example, for products such as rice pudding porridge, compared with the existing technology, traditional rice pudding porridge can packaging products, in terms of transportation costs, under the same space conditions, the square packaging must contain a larger volume than the cylindrical packaging. From the perspective of packaging function, the opening of this package is an oblique opening, which not only has a larger cross-section, but is also more conducive to pouring out the contents. From an environmental perspective, if there is a cavity in the inner wall of this package for isolation and Storage of accessories such as spoons, compared to can packaging, can reduce the waste of a plastic cover used to hold spoons; when using this packaging to contain solid particulate products, such as cumin, spices and other condiment products, compared to the existing Glass bottle packaging or flexible packaging. When going out for a picnic or other scenes, this packaging can form a small diagonal opening for pouring by pulling out the inner corner. It can stand on the table like a glass bottle packaging or like a soft packaging. It is equally lightweight, and when the customer has not finished using it, he or she can stuff the inner corner of the package back into the package to form a moisture-proof, semi-sealed package that is convenient for reuse next time and has the feature of being reusable; use this package When holding liquid products, such as milk and other drinks, you can choose to pull out the inward folding corners to form a small opening, or open the entire upper seal through the inward folding corners. These two opening methods of the inward folding corners can give customers more opening options. There are some examples of packaging opening methods, such as the opening on the inside of the outer folding corner on the opposite side of the inner folding corner. It is possible to uncover the folding corner in one step and drive the packaging opening to break, which is labor-saving and concise. In addition, for packages with a single inner folding corner, the top of the package is diagonally The opening results in a larger outer folding angle on the opposite side of the inner folding angle, which is conducive to the setting of the side pouring outlet. There is also an embodiment of a built-in straw located at the inner folding corner, which can ensure the integration of garbage and reduce the harm of straws to the environment. It also has The function of re-storing the straw realizes the hygiene problem of multiple uses.

2. The packaging structure includes a packaging main body for holding drinks. The packaging main body is provided with an everted folding corner. Further, the packaging structure also includes a pouring outlet and a sealing portion. The pouring outlet is provided on the everted folding corner and is used for pouring. For pouring out the beverage in the main body of the package; the sealing portion is provided on the everted folded corner, and the sealing portion is used to cover and seal the pouring opening. That is to say, the packaging structure is provided with a pouring outlet on the everted folding corner of the packaging body. The side pouring outlet is connected to the inner cavity of the packaging body, and the beverage in the packaging body can be poured out through the pouring outlet. Compared with the traditional packaging structure, the packaging structure provided by the embodiment of the present application uses a sealing part to seal the pouring outlet when it is not opened. When the drink needs to be poured out, You only need to open the folded corner on the main body of the package and destroy the sealing part to expose the pouring spout, and then the drink can be poured out from the pouring spout. This setting method does not require opening the entire main seal or cutting the package. It is easy to operate, labor-saving, and effective. Conducive to catering to consumer needs.

3. A packaging structure with a built-in layer that can form a straw or a functional layer: when the built-in layer functions as a straw, the straw is located inside the packaging structure. Compared with the traditional method of bonding straws to the outer wall of the packaging structure. In this way, the packaging structure provided by the embodiment of the present application has the straw built into the packaging structure, and the connecting edge of the straw is connected to the inner wall of the packaging structure. In this way, the straw will not be lost or contaminated during the packaging, transportation or transfer process. The outside is so dirty that it cannot be used; when the built-in layer functions as a cavity for accommodating accessories such as spoons and straws, compared with the traditional cans used to hold liquid drinks with larger solid particles that need to be equipped with a spoon Packaging, the packaging structure provided by the embodiment of the present application places the soup spoon in the accommodation cavity formed by the built-in layer in the packaging structure, which can reduce the waste of a plastic cover used to accommodate the soup spoon, and the customer can obtain the soup spoon from the built-in layer There is no need to worry about hygiene issues; when the built-in layer is used as a container for condiments, customers can choose to add condiments to the drinks or food in the package. Compared with the existing biscuit boxes, this application implements For example, the packaging structure provided places condiments in a container formed by a built-in layer in the packaging structure. Customers can have more choices in terms of flavors that meet their personal needs, or compared to existing beverages or dairy products, The packaging structure provided by the embodiment of the present application places condiments or tea bags in the accommodation cavity formed by the built-in layer in the packaging structure. Customers can destroy the built-in layer through the tear guide according to their personal taste, and selectively add to change the taste; When the built-in layer is located in the folding corner area of the package, and the tear guide is connected to the side wall of the package, compared with the beverage packaging of the prior art, the packaging structure provided by the embodiment of the present application allows customers to use the folding corner by flipping the folding corner. The built-in layer is driven to rupture and the function of one-step unsealing packaging is realized. The new functions brought by the packaging structure provided by the above-mentioned embodiments of the present application are more conducive to catering to the current needs of consumers.

4. Only one packaging sheet is used to form the packaging structure. Compared with the Ecolean pot, which needs to cut out packaging sheets of appropriate shapes from three pieces of material, the utilization rate of packaging materials is lower and the production process is more complicated. The structure of the packaging in this case is all folded and formed by a single piece of packaging sheet, which greatly improves the utilization efficiency of packaging materials; at the same time, the invention also has a "corner" formed by curling or folding, which is convenient for setting openings or for storing Other "corners" of the package may provide stability to the package.

5. At least one point on the accessory is fixed on the compartment. When the compartment is opened, one end of the accessory will be pulled out, making it convenient to use and meeting the needs of consumers.

6. It has an upright surface with good support performance; there is also a three-vertex surface, which can improve the stability of the packaging structure by taking advantage of the relatively stable characteristics of the triangle.

The top surface has three vertex angles. When the sealing area of the top surface is broken, the top surface can easily provide a larger oblique pouring outlet, or it has a flat angle less than 90 degrees to facilitate the setting of the pouring outlet. When the angle is unfolded, the top surface can be flattened. When the angle changes to a convex angle, an oblique fluid channel can be formed;

The side has three vertex angles, and the opposite side also has an oblique angle to facilitate the setting of openings to form oblique fluid channels;

The triangular structure will inevitably bring about a bevel or curved surface, so that the display on the shelf is more intuitive and the visual effect is obvious. The visual angle of the bevel is larger than that of the straight surface, allowing customers to see the packaging at a glance from the side.

At the same time, packaging that is folded from a single sheet and has a triangular structure can improve horizontal or vertical stability.

Finally, those with triangular surfaces will inevitably be inclined, and inclined surfaces have better display performance. The triangular sides also serve as grippers, making it easier to grab from the shelves.

In terms of processing technology, the packaging structure is processed by the processing method described in this application, which is easy to operate and has a high degree of automation. The processing method processes a single packaging material by first making the inner folding corner of the packaging and sealing the transverse opening at the top of the packaging. , forming a fillable packaging body, and then filling the product through the bottom surface of the packaging. The advantages of this processing method are: first, for solid particles, semi-liquid and semi- For products such as granular liquid food or semi-solidified products with large internal friction resistance and poor fluidity, if the existing technology is used, the product is filled first, and then the inward folding corners are made and the main seal on the top of the package is sealed. It is difficult to process inward corner packaging with high yield, but by changing the processing sequence, this processing method can overcome the defect of process conflict between filling materials and corner making for such products with large friction resistance and low fluidity. , Secondly, due to the single inner folding corner packaging, most of the packages before forming have an oblique upper opening, which is not conducive to filling. Therefore, it is necessary to deal with the opening at one end with the inner folding corner first, and then start from the packaging. The other end is open for filling.

Multiple processing trolleys on a continuous track are used to make internal folding corners. Concave corners can be made by extruding each other in the processing workshop without a special step to complete this work. By extruding each other, a preformed concave corner structure can be formed. , and then it is packaged. In the existing technology, making roof-type packaging requires the process of making inward corners one by one for each package with concave corners (inward folding corners). The operation is inconvenient and the process is cumbersome. If this processing method is used, A mechanism dedicated to making corners can be omitted, and common or continuous packaging can be achieved to achieve a breakthrough in productivity.

Description of the drawings

Figure 1 is a schematic structural diagram of the convex pouring outlet in the open state in the embodiment of the present application;

Figure 2 is a schematic structural diagram of the pouring outlet in the embodiment of Figure 1 when the pouring outlet is not opened;

Figure 3 is a schematic diagram of the partial packaging structure of the convex corner sucking mouth in the open state in the embodiment of the present application;

Figure 4 is a schematic diagram of the overall packaging structure of the convex corner sucking mouth in the open state of Figure 4;

Figure 5 is a schematic diagram of the partial packaging structure of the convex corner sucking mouth of Figure 3 in an unopened state;

Figure 6 is a schematic diagram of the suction port tear line located slightly obliquely in the packaging sealing area in the embodiment of the present application;

Figure 7 is an exploded view of the packaging sheet without the wrapping sleeve installed in the embodiment of the present application;

Figure 8 is a schematic structural diagram of the pouring opening formed after the folded and formed wrapping sleeve is removed in the embodiment of the present application;

Figure 9 is a schematic diagram of the packaging structure group in which the convex corner has a sucking opening and is separated from the concave corner of another package in the embodiment of the present application;

Figure 10 is a schematic structural diagram of the package in the embodiment of the present application when the package is opened by a concave corner and a tear line penetrating the upper part;

Figure 11 is a schematic structural diagram of the unopened state of Figure 10;

Figure 12 is a schematic diagram of the packaging sheet unfolding along the tear line in Figure 41;

Figure 13 is a schematic structural diagram of the packaging structure in the embodiment of the present application when the folding corners are everted and the pouring opening is not opened;

Figure 14 is a schematic structural diagram of the packaging structure shown in Figure 13 when the everted folded corner has a pouring outlet and is connected to a tear guide without opening;

Figure 15 is a schematic structural diagram of the packaging structure in Figure 13 when the folded corners are opened and the pouring opening is opened;

Figure 16 is an exploded view of the one-way pouring structure of the packaging structure and a schematic diagram of the liquid flow direction in the embodiment of the present application;

Figure 17 is a schematic structural diagram of the tear guide portion after opening the pouring spout in Figure 14;

Figure 18 is a schematic diagram of completely removing the outer folding corners in the embodiment of the present application;

Figure 19 is a partial schematic view of the pouring spout in Figure 1 with tear lines and trace lines of auxiliary molding openings;

Figure 20 is a structural schematic diagram of the sealing local area on the flat corner with a shear opening in the embodiment of the present application;

Figure 21 is a schematic diagram of the tear line at the top by pulling the sealed and punched flat outer corner in the embodiment of the present application;

Figure 22 is an open state view of the upper part of the package with concave corners and convex corners with a pouring outlet in the embodiment of the present application;

Figure 23 is a schematic structural diagram of the upper part of the package with concave corners and convex corners in the embodiment of the present application;

Figure 24 is a schematic structural diagram of a pot-shaped upper part of the package with concave corners and convex corners in the embodiment of the present application;

Figure 25 is a schematic structural view of the convex corner in Figure 14 with a pouring outlet and in an open state;

Figure 26 is a structural schematic diagram of the continuous processing schematic diagram of Figure 30;

Figure 27 is a structural representation of the embodiment of the present application in which the folding line of the concave corner sealing area does not coincide with the top sealing area;

Figure 28 is a schematic diagram (1) of the steps of opening the top surface of the triangle in the embodiment of the present application;

Figure 29 is a schematic diagram (2) of the steps to complete opening the top sealing area of the triangular top surface in the embodiment of the present application;

Figure 30 is a schematic structural diagram of the pillow-shaped packaging embodiment of the present application in which the folding line of the concave corner sealing area does not coincide with the top sealing area;

Figure 31 is a structural schematic diagram of the built-in accessory of the packaging structure in the embodiment of the present application, which is a spoon;

Figure 32 is a schematic structural diagram of the built-in layer curled into a tube and connected to the inner wall of the package in the embodiment of the present application;

Figure 33 is an expanded schematic diagram of the built-in layer forming the straw structure in the embodiment of the present application;

Figure 34 is a schematic structural diagram of the built-in layer curled into a U shape and connected to the inner wall of the package to form a straw structure in the embodiment of the present application;

Figure 35 is a schematic structural diagram of a part of the built-in bendable straw being pulled through the opening structure and taken out together in the embodiment;

Figure 36 is a schematic structural diagram of the built-in telescopic straw being pulled through the opening structure and taken out simultaneously in the embodiment;

Figure 37 is a schematic structural diagram of the unopened state in Figure 37;

Figure 38 is a schematic structural diagram of the unopened state in Figure 36;

Figure 39 is a schematic structural diagram of opening the entire top by pulling inward corners in the embodiment of the present application;

Figure 40 is a schematic structural diagram of the unopened state in Figure 39;

Figure 41 is a schematic structural diagram of the pull-to-open structure of Figure 21;

Figure 42 is a schematic structural diagram of the present application with inner and outer packaging and a built-in layer cavity for holding condiments on the inner wall of the outer packaging;

Figure 43 is a schematic structural diagram of the built-in layer cavity containing condiments such as tea bags connected to the inset angle in the embodiment of the present application;

Figure 44 is a schematic structural diagram of a built-in layer cavity containing condiments that can be extruded through an interpolated angle in an embodiment of the present application;

Figure 45 is a schematic structural diagram of an embodiment of the present application in which the bottom surface is a quadrilateral and the side surfaces are triangular imaginary vertical surfaces;

Figure 46 is a rear view of Figure 45;

Figure 47 is a schematic structural diagram of Figure 45 in which structural edges are added to convert the side surfaces of the smooth curved surface into multiple planes;

Figure 48 is a schematic structural diagram of the packaging structure in the embodiment of the present application in which the opposite side of the upright surface is a concave angle connecting the bottom surface;

Figure 49 is a schematic structural diagram of the packaging structure in the embodiment of the present application in which the opposite side of the upright surface is a convex corner that is not connected to the bottom surface;

Figure 50 is a schematic structural diagram of the packaging structure in the embodiment of the present application in which the opposite side of the upright surface is a concave corner that is not connected to the bottom surface;

Figure 51 is a schematic structural diagram of the packaging structure in the embodiment of the present application in which the opposite side of the upright surface is a convex angle connecting the bottom surface;

Figure 52 is a schematic structural diagram of a triangular prism package in an embodiment of the present application;

Figure 53 is a schematic structural diagram of a triangular prism package with a handle or a triangular prism packaging bag with a handle in this application;

Figure 54 is a schematic structural diagram of an embodiment of the present application with two triangular surfaces that are not parallel to the opposite side;

Figure 55 is a schematic structural diagram of an embodiment of the present application in which the top surface and one side surface are triangular and the top surface and the bottom surface are parallel;

Figure 56 is another perspective view of Figure 54;

Figure 57 is a schematic view of the packaging sheet of Figure 50 unfolded;

Figure 58 is a schematic view of the packaging sheet of Figure 52 unfolded;

Figure 59 is a schematic view of the packaging sheet of Figure 45 unfolded;

Figure 60 is a schematic view of the packaging sheet of Figure 55 unfolded;

Figure 61 is a schematic view of the packaging sheet of Figure 56 unfolded;

Figure 62 is a schematic view of the packaging sheet of Figure 51 unfolded;

Figure 63 is a schematic view of the packaging sheet of Figure 53 unfolded;

Figure 64 is a schematic diagram of a packaging structure group formed by fitting two identical packaging structures;

Figure 65 is a schematic diagram of a packaging structure group formed by fitting two different packaging structures;

Figure 66 is a schematic diagram of a packaging structure group in which one of the packaging convex corners has a sucking mouth;

Figure 67 is a schematic diagram of a packaging structure group formed by fitting a pot-shaped packaging structure into another double-recessed corner package;

Figure 68 is a schematic diagram of multiple packaging structure groups with sucking openings;

Figure 69 is a schematic diagram of the packaging state during the processing of the packaging structure group;

Figure 70 is a schematic diagram of the process of loading the cylindrical blanks onto the processing trolley and stacking them in the low-speed track area to process pre-formed concave corners, and the baffle 608 pushes the sealing area close to each other.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

A packaging structure 100 is formed by folding a single packaging sheet.

The packaging structure 100 has corners formed by curling or folding, which are inwardly concave corners 104 or outwardly convex convex corners 105

Compared with the Ecolean pot made of three packaging sheets, the packaging in this case also provides a corner as the location for setting the opening. The difference is that the Ecolean pot needs to cut out packaging sheets of appropriate shapes from the three pieces of material. The utilization rate of packaging materials is low and the production process is relatively complicated. However, the structure of the packaging in this case is formed by folding a single packaging sheet, which greatly improves the utilization efficiency of packaging materials.

Angle includes tapered angle or flat angle, which is divided into concave angle 104 and convex angle 105;

The concave corner 104 is recessed inward and is an inward folded corner 104 or an inserted corner, which is used to accommodate the corners of other packaging bodies, or to provide an opening to provide a way to open the package through the concave corner 104;

The convex angle 105 protrudes outward and is a tapered angle or an outward folding angle 105, and is used for setting the opening.

It should be noted that the concave corner 104 is used to accommodate the convex corner 105, or to provide stability of the package, or to provide a way to open the package through the concave corner 104; and the convex corner 105 is used to set an opening to facilitate pouring and use. For triangular pyramid or cone-shaped corners, a channel can be formed by separating the opening structure 182 at the top corner. For flat corners, the opening after separating the opening structure 182 at the top corner is flat and needs to be squeezed. Deformation creates a channel. And the cone angle can be divided into a cone shape with an edge or a cone angle bent by a curved surface.

The packaging structure 100 also includes an opening structure 182 of a preset shape, the whole or part of the opening structure 182 is located at the corner, and/or the opening structure 182 is assisted in opening by the corner;

The packaging sheet is a single layer of material or a laminated material formed by multiple layers of materials combined together;

The opening structure 182 includes an opening and a sealing structure;

The opening is a preset-shaped area defined by tear lines and/or through holes on at least one material layer of the packaging sheet; the area at least includes a local corner sealing area 180 and/or a lower corner surface 112;

Sealing structure, the sealing structure is a part of the packaging sheet covering the opening area, or an independent covering structure that is not connected to the packaging sheet; before the sealing structure is destroyed, the opening is in a sealed state.

It should be noted that the application number 202010010747.0 provides a packaging structure group. The main feature is that there are incisions at the horizontal seal. However, it also emphasizes that it is a laminated material. It is well known that laminated materials are made of multi-layer materials and are difficult to seal. It cannot be torn in the best way as expected, and the horizontal sealing area and the corner where you want to tear are in a T-shaped structure, making it difficult to tear in one step, and it is also difficult to tear into the desired opening shape. This case provides an opening located at the corner, and the pre-made opening structure 182 is provided by the pre-processed packaging material, so that the shape of the opening obtained by tearing is as expected, and the weakened tearing edge makes it easier to open. This case provides an ordinary tear line opening method, and also provides that the opening structure 182 is a very soft film or a complete through hole. A complete through hole is a through hole in all material layers at the opening position, and another structure is used as the opening structure. 182 support or seal, and the membrane opening can be easily destroyed or a complete through hole exposed by pulling on another structure. Or by lifting the outwardly folded corner or pulling the inwardly folded corner, the opening structure 182 hidden on the concealed surface is indirectly destroyed, or the opening structure 182 at the predetermined position is continued to be destroyed.

See Figures 1-6, the corner is a convex corner 105, and the opening structure 182 is located at least in the sealing area 180 of the convex corner 105, that is, at least the sealing structure located in the sealing area 180 of the convex corner 105 is removed to form an opening located at least on the top surface of the corner. 101 openings, and/or,

The corner is a convex corner 105, and at least part of the sealing structure of the opening structure 182 is located at the vertex of the outer folding corner 105. When the sealing structure is removed, the sucking mouth 190 can be formed.

It should be noted that this case provides a pouring outlet 390 located at the corner, and at least the corner sealing area 180 is removed. Furthermore, the part of the top transverse sealing area 180 connecting the corner sealing area 180 can also be removed. To obtain a larger opening; or at least remove the sealing area 180 on the corner, and further remove part of the connected corner to obtain a slightly slanted opening; further, if only the convex corner 105 is removed for sealing Area 180 will form a slit-like opening on the upper part of the convex corner 105. It is necessary to provide a longitudinal mark line to facilitate the customer to push it to form a non-slit-like opening, which is generally a diamond-shaped or circular opening.

It should be noted that this case provides a sucking mouth 190 located on a corner. At least the top corner position on the corner is removed to form an opening, that is, only the top corner position on the convex corner 105 is removed. Further, it can be Part of the sealing area 180 of the convex corner 105 is removed together, which is more ergonomic and can be located at the tapered corner or at the outer folding corner 105 .

As the name suggests, the cone angle is a cone-shaped angle, and it is a cone angle formed by curling at least one surface. Viewed from the inside, the surfaces in all directions are not connected, that is, there is a fluid channel after forming an opening; while the outer folding angle 105 is generally flat on both sides. The angle, or a cone angle composed of at least three planes, when it is a flat angle, it is necessary to pinch its sides or unfold the package to transform the flat shape into a cone angle shape to form a fluid channel.

See Figures 7-9. The external sealing structure located at the outer folding corner 105 is a folded wrapping sleeve, or the inner folding corner 104 of another packaging structure 100, that is, the outwardly protruding corner is wrapped by the peripheral sealing structure, and The opening structure 182 can be destroyed by pulling the peripheral sealing structure; and/or the unconnected area on the outer folding corner 105 is the sanitary area where the suction port 190 is in contact with the mouth.

It should be noted that this case provides a sucking mouth 190 and provides a hygienic structure for the sucking mouth 190. This structure at least covers the position where the sucking mouth 190 fits the mouth, and requires that this structure is only in the opening. position or opening edge connection, so that the surface of the sucking mouth 190 can be kept clean and tidy after separation, and there is no glue or damage to the surface of the laminated material that affects the taste and hygiene. This structure can be a sleeve or a recess of another package wrapping the sucking mouth 190 . In other words, two packages can be connected together, and a usable opening can be obtained by pulling the two apart, which is done in one step, saving time and effort. Because the packages are larger, the connection position that needs to be opened is in the form of a The function of the labor-saving lever arm can indeed save labor. Furthermore, consider making the sucking mouth 190 Instead of a straw, the customer's feeling of use is very important. A layer of gasket can be installed at the position where it comes into contact with the lips. This gasket can be an alcohol gasket, which can inhibit bacteria and ensure hygiene and safety, or it can be set as a silicone gasket to make the customer The user experience is better.

See Figure 10-12. The corner is a concave corner 104 or an outward folded corner 105. The sealing structure is provided with a tear line. At least a part of the tear line is located on the surface of the corner and the top surface 101 of the packaging structure 100. The tear line is broken. Then, the top surface 101 of the packaging structure 100 is separated by the corner position to form an opening; and/or

The sealing structure is provided with a handle 1709 area, and the handle 1709 area is provided with a handle 1709, which is a component protruding from the top surface 101.

It should be noted that this case provides a way to open the package, that is, by inserting fingers into the concave corners 104 and pulling up, the top surface 101 of the package is opened like opening a can. Of course, it can include the entire top surface 101 or even part of the side. Wall, but considering the load-bearing aspect of transportation, the weakening line, that is, the tear line, which is also the edge line of the opening, is best not to be located on the supporting corrugations of the packaging, unless the packaging does not need to be stacked during transportation. In other words It is preferable that the tearing line is located at a position where the top surface 101 of the package is not close to the corrugation, and can even be close to the sealing area 180, and only part of the top position is torn off, or only the sealing area 180 is torn off. The premise of the above-mentioned embodiment of opening all the tops is that there needs to be a recessed corner 104, and the rupture line located at the recessed corner 104 is at least located at the upper part of the recessed corner 104 to partially separate the recessed corner 104. Of course, in the same way, the upper part of the package can also be separated by pulling the outer folding corner 105.

It should be noted that when the corner sealing area 180 is larger than the sealing areas 180 at other positions, the package can be opened by pulling the corner sealing area 180. In this way, it is difficult to insert fingers into the corner package. The package is opened by pulling on the sealing area 180.

Of course, the corner sealing area 180 can be larger than the sealing areas 180 at other positions and can be established independently. The opening can be broken by twisting or pulling the corner sealing area 180 .

It should be noted that since the angle can be a triangular pyramid, a flat shape, or a curled cone, an imaginary horizontal plane parallel to the bottom surface of the package is used to cross the above-mentioned angle to distinguish the upper part of the concave inner folding angle 104. Or the upper surface is the upper surface, and the lower surface or bottom surface of the concave corner 104 is the horizontal lower surface. That is to say, when looking at the concave corner 104 from the top of the package, the surface that can be seen is the upper surface and cannot be seen. The lower surface is the lower surface; similarly, the upper and lower surfaces of the convex convex corners 105 are also defined similarly. In other words, the side of the sealing area 180 that connects the corners is up.

See Figures 13-14, the corner is an outer folding corner 105, the opening structure 182 is located on the lower corner surface 112, the outer folding corner 105 can be folded and attached to the side wall, and the opening structure 182 is connected to the side wall to destroy the concealed structure by lifting the outer folding corner 105. opening structure 182, and/or

The opening structure 182 is connected to the side wall through a tear guide portion. The tear guide portion is a tear guide sheet that is folded in half. The opening direction of the tear guide portion is toward the intersection of the outer folding corner 105 and the side wall. The tear guide portion includes a first tear guide. and a second tear-guiding piece connected to the first tear-guiding piece, the first tear-guiding piece is bonded to the side wall, and the second tear-guiding piece is bonded to the sealing structure.

This embodiment opens the side 103. The beneficial effect is that it can form a labor-saving lever through the outward folding corner, and can easily open the package in one step, and the opening is covered and blocked by the outer folding corner 105, making the opening position hygienic and safe, and can be directly opened. Suck on your mouth. It should be noted that the top surface 101 or top of the corner is a surface that can be seen from above, while the bottom surface of the corner is a surface that cannot be directly seen from above, and the top surface 101 is connected to the corner sealing area 180, and the bottom surface is close to the side wall. side. If the opening structure 182 is not a complete through hole, it can be directly connected to the side wall, because it is considered that if it is directly connected, the stacking may cause stress during transportation and increase the bag breakage rate, or other materials such as tear guides can be used. The material connection indirectly connects the two, so that the opening structure 182 has room for buffering. The tear guide material can be a flexible material or aluminum foil, and the folded state is to enable the two to be indirectly connected and buffered; or it can be a through hole. Side wall sealing can also be achieved, but the top of the package needs to be made of cylindrical packaging material first, and the outer corners 105 must be folded, and then sealed and tightened by ultrasonic waves or heating and high-pressure sealing. Currently, The method of heating and attaching the outer folding corner 105 to the side wall after the technical line is filled cannot be applied to this completely through-hole embodiment.

See Figures 15-17, which also includes a one-way pouring structure on the inner wall for covering the pouring outlet 390. The one-way pouring structure can be used to pour the contents out of the pouring outlet 390 when the packaging structure 100 is squeezed. , which can prevent external air from entering the inner cavity of the packaging structure 100 when the packaging is not squeezed; the one-way pouring structure includes:

The first material layer is fixedly connected to the inner wall of the inner layer structure and is provided with a through hole, which is used to guide the beverage in the packaging body to the pouring outlet 390;

The second material layer is provided between the first material layer and the inner wall to prevent external air from entering the inner cavity of the packaging body;

The packaging structure 100 also includes a one-way pouring structure. The one-way pouring structure is provided on the inner wall of the inner layer structure. The one-way pouring structure is used to cover the opening structure 182. The one-way pouring structure allows the beverage in the packaging body to pass through. The opening structure 182 is poured out and can prevent external air from entering the inner cavity of the packaging body. Specifically, the one-way pouring structure includes a hard film layer and a soft film layer, wherein the hard film layer is fixedly connected to the inner wall of the inner structure, and the hard film layer is provided with a through hole, and the through hole is connected to the inner cavity of the packaging body. The through hole is used to guide the beverage in the packaging body to the opening structure 182; the soft film layer is provided between the hard film layer and the inner structure, and the soft film layer is used to block external air from entering the inner cavity of the packaging body. It should be noted that the soft film layer covers the through holes on the hard film layer, the size of the soft film layer is slightly smaller than the size of the hard film layer, the bottom edge of the soft film layer is higher than the bottom edge of the opening structure 182, and because the soft film layer With the characteristics of the film, under the pressure of pouring out the drink, there is enough gap between the soft film layer and the hard film layer for the drink to be poured out through the opening structure 182. In this way, a connector can be formed, and the packaging structure 100 as a whole tends to recover. state, therefore, the film will be pressed by the air pressure on the through hole of the hard film layer. Due to the existence of the connector structure, a structure with only exit but no entry can be formed. In this way, the water seal of the packaging structure 100 is airtight. It has good performance and air leakage is not easy to occur even after the opening structure 182 is unsealed.

See Figures 18-21, the corner is the outer corner 105, the opening structure 182 includes the entire outer corner 105 and the sealing area 180 of the outer corner 105, so as to completely separate the outer corner 105 to form the pouring opening 390, or,

The top surface 101 of the corner with the opening has longitudinal marks to assist in shaping the spout 390, or,

The edges of the flattened outer corners 105 are partially sealed and a shearing opening is provided in the sealing area 180 so that the package can be torn open through the shearing opening, or,

The upper and lower sides of the flat outer folded corners 105 are partially sealed, and holes are drilled in the sealed areas to form pull tabs and handles 1709.

It should be noted that this case provides a pouring spout 390 by completely removing the outer folding corner 105, that is, the opening tear line surrounds the bottom edge of the outer folding corner 105, and the opening can be torn by pulling the corner, and further the opening can be torn. The outer folded corners 105 on both sides are sealed into one, a hole is punched in the outer folded corners 105, and the corners can be easily pulled down and separated from the package by hooking the holes with fingers and pulling.

It should be noted that the flat edge of the outer folding corner 105 is partially sealed and a cut is provided in the sealing area 180, so that the package can be torn open through the cut, and there may or may not be a tear line. . The tear opening shown in the benchmarking application number 202010010747.0 is located in the transverse sealing area 180. Generally, the narrowest sealing area 180 is only 5-8mm. It is difficult for the user to put force on the sealing area 180, and the tear opening is set On the outer folding corner 105, the user has a larger force-bearing surface and can easily tear it apart.

The upper part of the packaging structure 100 has a concave corner 104, which is located on the other side of the convex corner 105 and has a concave corner 104 that can be embedded by the convex corner 105; and/or

The convex corners 105 can be covered or connected by the concave corners 104 of another packaging structure 100, so that two or more packages can be neatly arranged or connected, and two or more packaging structures 100 with convex corners 105 can be matched.

It should be noted that this case provides a pot-shaped packaging structure 100, which has outwardly protruding corners and can be used as the base of the pot-shaped packaging. It is used for export; it also has inward concave corners, so that two identical packages can be assembled and sold together like building blocks, and the outward convex corners will not become an obstacle to transportation. The fitting of two pairs can effectively protect the packaging structure. 100, and the preset opening structure 182 on the packaging structure 100, the packaging can even be opened while disassembling the assembly, which is simple to operate, convenient to use, and convenient to transport. Multiple packages can be grouped together for joint production and filling, making production simple and efficient.

It should be noted that it is not emphasized here that another package with concave corners 104 is consistent with the packaging structure 100 of this case, that is, other packaging structures 100 with appropriate concave corners 104 can be matched by the packaging structure 100 of this case. In this way, more packages can be combined at will to achieve sales purposes or bring more other functionality.

See Figures 22-25, the packaging structure 100 is one of the following three types:

S1. The top of the packaging structure 100 is roof-shaped, and the convex corners 105 protrude from the side walls and are in the shape of a triangular pyramid;

S2. The top of the packaging structure 100 is quadrangular, and the convex corners 105 are flat and folded outwards;

S3. The bottom surface of the packaging structure 100 is a quadrilateral. As it gradually extends upward, its cross-sectional area gradually becomes smaller. When it extends to the uppermost end, it is linear, and its front view is trapezoidal, that is, it has an oblique convex angle 105.

It should be noted that it includes at least three new types of packaging. The first one is a roof-type packaging, which is similar to the roof-type packaging of the existing technology, but one of the inner folding corners 104 is folded outward to present a triangular pyramid angle package. ; The second type is a brick-type packaging, which is similar to the more common brick-type packaging in the prior art, except that one corner is folded inward to form an inward folding angle 104; the third type is a pot-type packaging, which is made of cylindrical sheets folded into The bottom is a quadrilateral packaging sheet, and it can be formed by folding one corner into the package and sealing the top surface 101. The simple structure makes the processing equally simple. Furthermore, the false side wall where the triangular bottom of the concave corner 104 is located is consistent with the packaging. The base is vertical.

See Figures 26-30. The corner is a concave corner 104. The fold line of the corner sealing area 180 of the concave corner 104 is not covered by the main sealing area 180. The package can be opened through the concave corner 104 without being hindered by the crease line 1111. The package is Pillow packaging or upright packaging; or

The opening structure 182 at least includes the inner fold line of the corner sealing area 180 of the recessed corner 104, so that by breaking the sealing area 180 of the recessed corner 104 and destroying the inner folding line, the opening continues along the top sealing area 180 to open the top of the package. .

It should be noted that if you want to open the top sealing area 180 through the position of the inward folding corner 104, you must overcome the end fold line of the inwardly folded corner sealing area 180, as long as this folding line is easy to break, or is not in the top sealing area to be opened. By adjusting the position of the sealing area 180, the action of opening the top sealing area 180 can be realized.

It should be noted that when making pillow-shaped packaging, the concave corners can be folded in and the concave corner sealing area and the top sealing area can be directly sealed from the outside. That is, the concave corner sealing area and the front and rear sides of the package are sealed into one. At this time, through By splitting the concave corner, you can continue to split the entire top sealing area.

Referring to Figure 31, the packaging structure 100 has an opening, and the inner wall of the packaging has a connected built-in layer 102. The built-in layer 102 is used to form a cavity to isolate or accommodate built-in accessories, or to form a straw 510 structure.

See Figures 32-34. The built-in layer 102 is curled into an arch or tube shape and is connected to the inner wall of the package to jointly form the structure of the straw 510. The built-in layer 102 has at least two layers of materials, in which the material layer that provides support properties is partially hollowed out, and the other layer The film layer at least covers the hollow position, so that the built-in layer 102 having the structure of the straw 510 can be bent, and the user can take out the upper part of the straw 510 through the opening.

See Figures 35-38. The accessories are straws 510, spoons, forks, and chopsticks; the built-in layer 102 at least covers the opening position, and the straw 510 is specifically a bendable straw 510 or a telescopic straw 510. The bendable straw 510 or The lower end of the telescopic straw 510 is not covered by the cavity and is fixed on the inner wall of the package. The upper part of the telescopic straw 510 or the upper part and the bent part of the bendable straw 510 are accommodated by the cavity. The bendable straw The upper part of the straw 510 extends toward the inner top surface 101 of the packaging structure 100, and the upper part of the straw 510 can be taken out by opening the opening. use;

See Figures 39-41. The accessories are not arranged parallel to the corrugations of the packaging structure 100, that is, they are arranged diagonally toward the bottom corner of the package, so that the straw 510 is easier to suck, or the accessories can be designed to be longer, or

Part of the accessory is arranged in the same direction as the opening structure 182 and connected, so that the accessory can be taken out simultaneously by pulling the opening structure 182 .

It should be noted that the straw 510 can be formed by folding the built-in layer 102 by itself, or it can be an external telescopic straw 510 or a bending straw 510. The straw 510 cannot be completely taken out, only the upper part and the bent part can be taken out; Of course, spoons, forks, chopsticks, etc. can also be placed. When the content is prefabricated dishes or eight-treasure porridge, the entire top surface 101 or the top sealing area 180 needs to be opened, and the accessories such as spoons can be removed from the inner cavity for use. Contents. Because there is less area to accommodate the straw 510 due to the limitation of the top of the package, the longer straw 510 can be accommodated by diagonally arranging the straw 510 . The straw 510 is preferably partially connected to the opening structure 182, so that when the opening structure 182 is broken and pulled, the straw 510 can be partially taken out. In this way, an action that previously required multiple steps can be completed in one step, and the separated fragments can also be broken into pieces. Trash remains on the straw 510. In the embodiment of the straw 510, the opening structure 182 is in the shape of a strip, preferably distributed on both sides, and arranged in the same direction as the straw 510. This makes it easier to break the opening and take out the straw 510. The straw 510 at the top of the package should be longer than the opening. The structure 182 is positioned so that even after the straw 510 is opened and pulled out, the structure 182 remains on the straw 510 without affecting its use. The opening structure 182 may have a shape that can be collected by people after separation.

See Figure 42. The accessories are condiments. The packaging structure 100 can be a sealed package or a non-sealed outer package. The cavity formed by the built-in layer 102 is a sealed structure. The built-in layer 102 is destroyed so that the condiments can be packaged. Fall into the package contents for seasoning or brewing, or lay the outer shell package flat on the table and open the opening structure 182 to dip in and use condiments.

See Figures 43-44. The packaging body is provided with an inner folding corner 104 structure. At least a part of the inner folding corner 104 structure is connected to the built-in layer 102. By tilting the flat inner folding corner 104 structure, the built-in layer 102 is torn apart. Destroy the built-in cavity without damaging the sealing structure; or

The packaging body is provided with an inner folding corner 104 structure, and the built-in layer 102 is located below the inner folding corner 104. The built-in layer 102 is squeezed through the inner folding corner 104 to destroy the cavity and allow the solution in the cavity to fall into the contents.

It should be noted that when you need to drink drinks prepared on site, such as freshly brewed coffee or freshly brewed tea, the cavity is used to place condiments, such as coffee powder, syrup or tea bags, and can be inserted through the flat (inserted) corners. 104 can destroy the built-in layer 102 it is connected to, causing the condiments to fall into the drink. At this time, the package is still in a sealed state. Shake it evenly to achieve the instant brewing function, and open the package to drink; or it is now available on the market For a biscuit package with an outer paper shell, place the opening of the cavity formed by the inner layer 102 and the inner layer 102 on the outer paper shell of the biscuit package, place the biscuit outer paper shell flat on the table, take out the biscuits and place them The opening of the cavity can be opened to expose condiments such as sauces, which can be dipped and used. The built-in layer 102 can also be connected to the opening. When the opening breaks, the built-in layer 102 breaks together, allowing the condiments to fall into the contents, thereby realizing the instant brewing function.

As an embodiment, see Figures 45-47, a packaging structure 100 has at least three vertices on one side and at least one upright surface 101.

A package with a triangular structure can make its structure more stable. When the three vertices are the top surface 105, because the sealing area is the vertical line of the triangle formed by the three vertices, the top surface 105 is split along the vertical line to open the triangular shape. The top surface of 105110, and unfold the connected flaps together, and open all the sealing areas of the top 110 to get a larger oblique opening.

A sealing structure formed by folding packaging sheets, and the surface with three vertices is the sealing surface and/or the upright surface 101, and the upright surface 101 is at least as large as One side is vertical;

The sealing surface of the packaging structure 100 includes a top surface 105 and a bottom surface 169;

It has corners, including flat corners and non-flat corners, which can be concave or convex toward the packaging structure 100;

Also has curved or beveled surfaces.

It should be noted that the surface defined by the three vertices is an imaginary triangular surface. In fact, the package can be composed of a smooth curved surface and the package has a structure with three vertices, or the upright side wall of the package is the three vertices on the inner folding angle 104 or The structure composed of three flutes 203 does not have a very intuitive plane, so it is necessary to use an imaginary plane defined by three vertices to define the positional relationship of non-intuitively available surfaces such as the top or side 106.

The top surface 105 or the bottom surface 169 refers to the top position and the bottom position with the sealing area. When the surface expressed as three vertices is the top surface 105 or the side surface 106, the meaning can be interpreted as: the illusion surface defined by the three vertices, It is used to define the posture and position relationship of a certain surface on the package. When the imaginary surface is the top surface 105, that is, the tilt direction of the top of the package is consistent with the imaginary surface. When the imaginary surface is parallel to the bottom surface 169, it is the upper edge of the front view of the package. It is parallel to the lower edge. In theory, the upper surface of the package is allowed to be stacked smoothly during transportation. However, when the false surface is not parallel, the upper and lower edges of the front view of the package are not parallel, and the top is oblique. , when items are stacked up, there is a possibility of slipping, or heavy objects can easily cause uneven stress on the top surface 105 and cause it to break; when this imaginary surface is a side 106 and perpendicular to the bottom surface 169, that is, there is a gap in the front view. The side edge and the lower edge are in a perpendicular relationship, that is, the side 106 of this package can be placed neatly against another upright package. The front view is an angle view from which the top surface 105, the bottom surface 169, and the side surfaces 106 cannot be directly and completely observed. Therefore, the positional relationship between the top surface 105 or the side surface 106 and the bottom surface 169 with three vertices described in this article is the positional relationship between the virtual surface and the bottom surface 169 formed by them, which can be understood through the front view. The bottom edge of the top surface 105 or the side edge of the top surface 105 describes the imaginary edge connected by three points. When the technical features of the top surface 105, the bottom surface 169 or the side surfaces 106 are mentioned individually but not emphasized in the text, they are only used to refer to the positions on the packaging structure 100 and do not include planar technical features or concepts.

The upright surface 101 means at least perpendicular to the top surface 105 or the bottom surface 169 of the sealing surface, and the top surface 105 here is still an imaginary plane. The emphasis on the sealing surface means that it is the positional relationship between the top surface 105 and the bottom surface 169 in the possible filling process, but it does not mean that it is the real bottom surface 169 actually used, or it can be changed according to the needs of use or design. Any side of the package is used as the bottom surface 169.

The sealing surface refers to the top surface 105 and the bottom surface 169 with transversely arranged transverse sealing areas. Because the triangular structure is introduced, there will definitely be non-parallel surfaces between the two surfaces related to the triangular structure, that is, an inclined plane or a curved surface.

The corner refers to the inwardly concave or outwardly convex structure formed on the side 106 of the package. The flat corner is a structure in which the upper and lower sides of the corner are in contact with each other. The non-flat corner is in the shape of a cone, and the upper and lower sides are not in contact with each other. The package is sealed by a sealing area. The continuous sealing area can be divided according to the positional relationship, including a corner sealing area and a top sealing area 192. The corner sealing area is a sealing area located at the corner. When the corner is set toward the outside of the package , the sealing area extends continuously toward the corner sealing area, and when the corners are arranged concavely toward the package, the corner sealing area is folded and partially covered by the top sealing area 192 .

It should be noted that when the folding direction of the outer folding corners (flaps) is not emphasized in the plan, the outwardly folded flat outer folding corners can be arbitrarily close to two adjacent surfaces for fixation.

It should be noted that when the specific structure of the bottom surface 169 is not emphasized in all the embodiments of this case, the specific structure can refer to the existing technology.

The surface with three vertices is the upright surface 101, and is composed of three vertices with concave non-flat angles; the bottom surface 169 of the packaging structure 100 is a quadrilateral, tapering upward to a line, and its front view is trapezoidal, that is, an upright surface. The opposite side of 101 has a non-flat angle that is obliquely convex.

It should be noted that the bottom surface 169 of the above-mentioned packaging structure 100 is a quadrangular shape, and the upright surface 101 is the inner surface that is concavely folded into the package. The three vertices exposed on the outside of the folded corner 104120 or the imaginary surface defined by the three flutes 203. The opposite side of the inner folding corner 104 has an outwardly convex corner. The convex corner can be used to set an opening, and the concave corner plays a supporting and fixing role. Furthermore, it can be used to accommodate convex corners of the same package. In this way, they can be processed together to achieve the effect of linking. This embodiment is similar in appearance to the Ecolean pot, with bevels and grips, and a slanted pouring spout 1053. However, the Ecolean pot requires three irregular sheets to be sealed, and this embodiment is made of a single package. The sheet is folded, and the packaging structure 100 can replace the Ecolean pot, which can reduce processing costs and processing steps.

The concave non-flat corner may be embedded by the convex non-flat corner, or,

The convex non-flat corners can be covered or connected by the concave non-flat corners of another packaging structure 100, so that two or more packages can be neatly arranged or connected, and two or more packaging structures with convex corners can be realized. 100 can be matched.

It should be noted that this case provides a pot-shaped packaging structure 100, which has outwardly convex corners, which can be used as an outlet for the pot-shaped packaging; it also has inwardly concave corners, so that two identical packages can be separated from each other. They are assembled and sold like building blocks, and the outwardly protruding corners will not become an obstacle to transportation. Fitting them in pairs can effectively protect the packaging structure 100 and the preset opening structure 182 on the packaging structure 100, and can even be disassembled. The packaging is opened at the same time as it is combined, which is simple to operate, easy to use, and convenient to transport. Multiple packages can be grouped together for production and filling, making production simple and efficient.

It should be noted that it is not emphasized here that another package with concave corners is consistent with the packaging structure 100 of this application, that is, other packaging structures 100 with appropriate concave corners can be adapted to the packaging structure 100 of this application. In this way, more packages can be combined at will to achieve sales purposes or bring more other functionality.

As shown in Figure 25, the two packages are neatly arranged or connected together.

The upright surface 101 of the packaging structure 100 is a quadrilateral, and the surface with three vertices is the top surface 105; the bottom edge of the top surface 105 has a connected flat angle, and the angle between the two sides of the flat angle is less than 90 degrees.

When the surfaces of the three vertices are at the position of the top surface 105, since the top surface 105 and the flat angle connected to the bottom edge of the top surface 105 all have continuous sealing areas, so when the bottom edge of the top surface 105 and the side edge of the top surface 105 are sandwiched If the angle is less than 90 degrees, if you want to keep the top surface 105 and the bottom surface 169 parallel, the area of the flat angle will naturally become larger. However, if the bottom edge is a fixed value, the flat angle with a triangular surface will be longer and its vertex angle will be sharper. ; Further, if the angle between the bottom edge of the top surface 105 and the side edge of the top surface 105 is reduced, and the top surface 105 is maintained horizontally, the flat angle will appear longer, the area will be larger, and the vertex angle will be smaller. Larger flat corners are good for making openings in. And when the package is opened from the sealing area of the top surface 105, the triangular top surface 105 can be separated therefrom to obtain a larger oblique opening.

See Figures 48-51, the opposite side of the upright surface 101 has a non-flat corner, the vertex of the side 106 of the corner is located on the top surface 105, and is folded inward or outward; the bottom edge of the side 106 of the non-flat corner shares the same edge with the bottom surface 169 Linear or not.

It should be noted that this embodiment includes the following solutions: 1. Fold the non-flat corner inward, and the bottom edge of the side 106 of the opposite non-flat corner is collinear with the edge of the bottom surface 169; 2. Fold the non-flat corner outward, and fold the non-flat corner outward. The bottom edge of the side 106 of the non-flat corner is collinear with the edge of the bottom surface 169. 3. The non-flat corner is folded inward. The bottom edge of the side 106 of the opposite non-flat corner is not collinear with the edge of the bottom surface 169. 4. The non-flat corner is outward. Fold, the bottom edge of the side 106 on the opposite side of the non-flat corner is in line with the edge of the bottom surface 169. It should be further explained that the non-flat angle is a cone angle with a curved surface or a pyramid with flutes 203 . , the opposite side of the upright surface 101 has a longitudinally arranged flat corner, the vertex of the side surface 106 of the corner is located on the top surface 105, and is folded inward or outward; and/or

The outwardly folded longitudinally arranged flat corners are sealed and cut to form handles, and the package is opened through the flat corners or the top sealing area 192 to form a pot-shaped package with handles.

It should be noted that the longitudinally arranged flat corners here refer to the corners formed by two adjacent triangular pieces that are folded inward or outward, and are arranged longitudinally on the opposite side of the upright surface 101. The same angles Has a sealing area. Further, fold this corner outward and seal the two triangular pieces that are adjacent to each other, and drill holes and cut them at the sealing position to form a handle.

See Figure 52, it is a triangular prism, the bottom surface 169 is a triangular surface, and the quadrilateral upright surface 101 can be used as the bottom surface 169 for transportation and use; and/or,

The opposite side of the upright surface 101 of the triangular prism packaging structure 100 has an integrally formed functional area structure, which can be used as a handle or a sandwich for sealing accessories; and/or

The upright surface 101 of the triangular prism can have an opening at a position opposite to the side corrugation 203 .

It should be noted that there are at least the following combinations: 1. This sealed package is in the shape of a triangular prism. 2. The opposite side of the upright surface 101 of this triangular prism has a functional area such as a handle, or a double-layered functional area that can clamp some accessories. For example, straws, spoons, condiments, etc., 3. The packaging can be opened by setting an opening at the position of the opposite side corrugation 203 of the triangular prism vertical surface 101, 4. All combinations of all the above technical features. It should also be noted that the bottom surface 169 and the top surface 105 when the sealed package is filled may be different from the bottom surface 169 actually used. It is further explained that the position of the opposite side corrugation 203 of the upright surface 101 of the triangular prism, that is, the edge of the functional area needs to be sealed to ensure the sealing performance before it can be further used as a functional area. A hole can be drilled in the functional area. Implement the function of the handle.

See Figure 53, which is characterized in that it is in the form of a triangular prism, the bottom surface 169 is a triangular surface, and the quadrilateral upright surface 101 can be used as the bottom surface 169 for transportation and use.

The opposite side of the upright surface 101 of the packaging structure 100 has an integrally formed functional area structure, which is used as a handle.

The upright surface 101 of the triangular prism has an opening at a position opposite to the side corrugation 203, and the packaging structure 100 is a packaging bag.

It should be noted that the packaging structure 100 here has an opening and is a non-sealed packaging structure 100, which can be understood as a packaging bag for containing items. All the embodiments of this case are folded from a single packaging sheet, and a quadrilateral uses the bottom surface 169 and two triangular sealing surfaces to support the packaging bag upright on the table; and the packaging sheets of the two packaging units can be symmetrically centered Complementary and reduce waste generation. However, most of the packaging bags in the prior art have poor support performance, and relatively large pieces of waste material need to be cut to form the handles. It is necessary to provide a packaging that generates less waste during processing and has strong support performance. It should be further explained that the two sealing surfaces of the triangular prism can be designed to be inclined toward each other, that is, the two sealing surfaces are not parallel.

See Figures 54-56, which are characterized in that the bottom surface 169 of the packaging structure 100 is a quadrilateral, tapering upward to form a surface with three vertices, and is trapezoidal in front view, that is, the opposite side of the upright surface 101 also has a surface with three vertices. , convex angle, or

The bottom surface 169 of the packaging structure 100 is in the shape of a quadrilateral, tapering upward to form a top surface 105 with three vertices that is inclined obliquely, and the opposite side of the upright surface 101 also has a surface with three vertices, forming a convex angle.

It should be noted that there are two embodiments, one is that the upper top surface 105 and the lower top surface 105 are parallel, and the other is that the upper bottom surface 169 and the lower bottom surface 169 are not parallel, and the opposite sides of the upright surfaces 101 of both have sloping edges. The non-flat convex angle in the direction can be provided with a pouring opening 1053, or an easy-to-grasp handle can be formed when it is located on the shelf.

There is at least one side that tapers toward the opposite side 106;

The packaging structure 100 has an oblique opening and/or an oblique fluid channel, that is, an opening structure 182 for opening is provided on the convex corner, or the opening is at least located at the folding line of the corner sealing area at the concave corner, and the top surface is 105 The sealing area is separated to form an oblique opening for unsealing.

It should be noted that because it has a triangular structure, there must be one side that tapers toward the opposite side along the triangular structure. In order to facilitate pouring and taking, the packaging structure 100 can open an opening on the convex corner or triangular top surface 105 to form an outlet. The flat corners (fins) are transformed from flat corners into non-flat pyramid angles by unfolding, so that the fins provided with openings have fluid channels through spatial changes.

Referring to Figure 1, the area surrounded by tear lines 1801, 1802, and 1803 is the sucking mouth.

The packaging structure 100 consists of structural lines forming the supporting flutes 203180 of the upright surface 101 and the bottom surface 169. The remaining areas are divided by decorative lines 204. The decorative lines 204 include imaginary lines and/or trace lines. The imaginary lines are used to make the flat packaging sheet bend into a shape. The bending axis of the curved surface and the mark line are the flutes 203 where the flat packaging sheet is bent to form the intersection of multiple surfaces;

It should be noted that except for the upright surface 101 and the bottom surface 169 which have support flutes 203180, the others are all decorative lines 204. For example, the intersection line between the top surface 105 and the front surface can be cancelled, and a smooth curved surface extending from the top surface 105 to the front surface can be obtained; or such a smooth curved surface or plane can be split into multiple as expected. surface to meet design needs. More trace lines can be added, and trace lines can intersect with each other, but trace lines and imaginary lines cannot intersect perpendicularly. The imaginary line is not a real line, but is used to define the bending direction or bending axis of the surface.

See Figures 57-63, a packaging sheet, which is an integrated structure. The vertical surface 101 and the bottom surface 169 are divided by structural lines and used to form its support flutes 203180. The remaining areas are divided by decorative lines 204. The decorative lines 204 include imaginary Line and indentation line, the imaginary line is the bending axis that makes the flat packaging sheet bend into a curved surface, and the mark line is the flute 203 that makes the flat packaging sheet bend into multiple faces; and there is at least one purpose. In the corner area that is bent into a non-flat angle, or at least has a triangular top surface 105 area.

The corner area at least includes a triangular lower bottom surface 169 and a corner top surface 105 area distributed and connected to its two side edges, or the side edges of the corner area are in a curve that is convex toward the corner area.

It should be noted that for the inner folded corner 104 or the outer folded corner area used to form a non-flat corner, the side edges are convex outward to obtain a smoother curve support flute 203180, making the package look more rounded and smooth, and forming an arch. The structure is also supportive.

See Figures 64-67 of the accompanying drawings. A packaging structure group includes a plurality of packaging structures 100 fixed in series. At least one of the packaging structures 100 is the packaging structure 100 of claim 2. When two adjacent packaging structures 100 are connected, , wherein the convex corner of one packaging structure 100 is embedded into the concave corner of the other packaging structure 100 .

See Figure 68, which is characterized by:

When the concave corners of the packaging structure 100 are flat corners, the embedded convex corners are also flat corners;

When the concave angle of the packaging structure 100 is a tapered angle, the embedded convex angle is a tapered angle matching its shape.

S1. Complete sealing of the lower bottom surfaces 169 of at least two cylindrical sheets, making each cylindrical sheet a fillable packaging sheet;

S2. Arrange at least two cylindrical sheets side by side in the same posture, and contact or connect the two areas of the convex corners and concave corners to be formed on any two adjacent cylindrical sheets correspondingly, so that these cylindrical sheets The sheets become a sheet group;

S3. Fill the sheet group obtained in step S1 or step S2, and seal the top sealing area 192 to form the packaging structure 100, thereby obtaining the packaging structure 100, and any two adjacent packaging structures 100 are embedded by each other. connected by a composite structure;

In step S1, the “lower bottom surface 169” is the bottom surface 169 during filling, the real lower bottom surface 169 of the packaging structure 100, or the upper bottom surface 169 of the packaging structure 100.

See Figure 69. In step S2, the two areas of the convex angle and the concave angle to be formed are tilted according to the packaging structure 100 of claim 34 through external force interference.

It should be noted that: 1. The two methods of making cylindrical sheets are: the continuous packaging sheet shape of multiple packaging units with indentations or crease lines is cut into packaging sheets of a single packaging unit, and then made into A cylindrical blank of a single packaging unit that is vertically sealed in the longitudinal direction of the container; or a continuous packaging sheet of multiple packaging units with indentations or crease lines formed into a long cylindrical packaging blank that is vertically sealed in the longitudinal direction The material is then cut into cylindrical blanks for individual packaging units. That is, the cylindrical sheet is folded into a single packaging sheet and sealed in the longitudinal sealing area.

2. This case provides two implementation methods for making 100 sets of packaging structures, including making the bottom surface 169 first and then making the top surface 105, and making the top surface 105 first and then making the bottom surface 169. It should be noted that the top surface is made first. It should be noted that the cross section of the bottom is square, and the sealing area at the bottom should be in a different direction from the sealing area at the top. That is, making the top first and then the bottom will cause the bottom corners of the two packages to conflict with each other, and the sealing area needs to be changed. Processing direction. Making the top first is just to avoid the uneven top that may occur when processing square brick-type packaging. However, there is no such processing worry for packages with sloping tops. Multiple packages with bottoms in the same direction can be used. Placed side by side and connected, filling and sealing together, filling and sealing in groups, the processing efficiency is higher and the productivity can be effectively improved.

5. The mark line of the concave corner should be wider to obtain a larger concave space. In essence, any angle formed by curling or folding the packaging material can be folded inwards or outwards of the package. When any The two packages have the same corners. The only difference is that they are folded inwards and outwards. The two corners can be regarded as complementary, interlocking, and put together like concave and convex building blocks. However, considering that the packaging materials have In terms of thickness, if you want the convex corner to completely enter the concave corner, you need to make the concave corner space larger, that is, make the folding line width of the packaging material used to fold the forming corner wider. Of course, it doesn’t matter if the two angles are essentially different, as long as the space of the concave angle is large enough to accommodate the existence of the convex angle.

6. The connection position is the opening area. Because there is another package as a support, the opening area can be a relatively soft film, or the opening area is a complete through hole, and the recessed position on the other package acts as a seal for the opening area. part, seal the periphery of the through hole at the corresponding position of another package, and then seal them together to achieve the sealing effect, and then the sealed opening structure 182 can be broken by pulling.

7. In the embodiment of the sucking mouth, the opening area located in the convex corner sealing area should be larger, and only a small part remains in the convex corner. This will not turn the sucking mouth into a pouring mouth 1053, and can also reduce the separation or separation of the two packages. The resistance when opening can be reduced by reducing the connection area in the non-opening area. If it is inconvenient to open, you have to lift up both sides of the concave corner to separate it from the convex corner. That is to say, the main difference between the pouring spout 1053 and the sucking spout in the convex corner sealing area is that the sucking spout requires the convex corner sealing area to be incompletely separated, while the pouring spout 1053 requires the convex corner sealing area and even the top sealing area 192 to be separated. The more the better.

8. The marks of the two should correspond to each other and be connected and folded together accordingly. Since the concave corners need to fit and couple with the convex corners, the marks of the concave corners should be wider than the marks of the convex corners. Preferably, the width of the trace line in the recessed corner area is not less than the measured thickness of the packaging material (there is a measurement error); and the recessed corners on the square tiles, that is, the inserted corners, are not less than the folded thickness of the packaging material.

9. There are accessories between any two packaging bodies, located between the side walls of the two; and/or there is a connection between the two for fixing side-by-side packaging groups or sealing accessories, or there is a wrapping structure for fixing or printing Or fit a detachable fixing plate. That is to say, in order to ensure that the opening between the two packages will not be accidentally opened or broken, the way to reduce the package breakage rate is to add fixed devices or structures.

10. The sealing area at the corner is larger than the sealing area at other positions.

The cutting edge of the transverse sealing area is Z-shaped, making the area of the corner sealing area larger; two paired and centrally symmetrical packaging sheets or cylindrical packaging blanks form a cutting unit group, and are marked with Z The packaging sheet or cylindrical packaging blank is cut into two packaging units with the cutting edge; and/or the Z-shaped cutting edge is rounded, that is, trimming is performed while cutting to remove excess parts. That is to say, in order to make it easier to break the opening structure 182 by pulling the sealing area, whether it is located on the concave or convex corner. For example, in the embodiment of opening the top through the inset corner, you can use Pull the sealing area to open the package without inserting your fingers; it can even be applied in the technology of application number 202010010747.0 to solve the dilemma of difficult opening of the incision in a narrow horizontal sealing area.

A packaging structure with a concave corner and a convex corner on the opposite side, or a packaging structure with concave corners used to hold solid particles, semi-liquid and semi-particle liquid food or semi-solidified contents.

See Figure 70, a method for preparing concave corners in a packaging structure 100, including:

S1. Arrange at least two cylindrical sheets to be processed side by side in the same posture; or load 603 the cylindrical blanks in the same posture to the processing car 602 with the convex angle 601;

S2. Contact or connect the two areas of the convex corners 601 to be formed and the concave corners on any two adjacent cylindrical sheets correspondingly, or bring at least two processing trolleys 602 with the same posture close to each other;

S3. When the two are folded, the convex corner 601 of one of the packages or the convex corner 601 of the processing trolley 602 is embedded into the concave corner to be formed, and is sealed to form the concave corner.

Move at least two processing trolleys 602 with convex corners 601 along the track in the same attitude, and load 603 the cylindrical sheets to the processing trolleys 602;

When running in the first track 605 area of the track, the two processing trolleys 602 run with a gap between them. At this time, they are used to load 603 the cylindrical blank to the processing trolley 602;

When running in the second track 606 area of the track, the two processing trolleys 602 are close together so that the convex corners 601 of the processing trolleys 602 are embedded in the concave corners to be formed to form a preformed concave corner structure 607;

It is then sealed to form the concave corner.

The method for preparing a packaging structure according to claim 40, characterized in that the sealing surface with concave corners is first made and sealed, and then filled, and then the remaining sealing surface is sealed; or

The sealing areas on both sides of the preformed concave corner structure 607 are brought close to each other through two baffles 608 that are close to each other; or

The preformed recessed corner structures 607 of multiple packaging structures are sealed simultaneously or sequentially.

See Figure 70. It should be noted that two packaging structures 100 are attached to each other in corresponding areas to be formed and sealed together to obtain a concave and convex fitting packaging structure 100, thus obtaining a concave corner; Or by inserting the convex corner 601 of the machining car 602 into the area where the concave corner is to be formed, and then sealing it, a concave corner can also be obtained. Further, at least two processing trolleys 602 are located on the same track and are divided into two different speed intervals. The first interval runs with a gap, and the second interval runs without a gap and squeezes each other.

It should be noted that the processing car 602 is used to first make a sealing surface with an inner fold and then make another sealing surface to form a package with an inner fold. The advantage of this is that it can hold food with relatively large particles, such as rice-treasure porridge. If it is done the other way around, when making the inner folded corners, two surfaces will be close to each other. If there are particles stuck between the two surfaces, it will not work. Perfect molding will result in a lower yield rate, so when filling food with larger particles, it is more beneficial to the yield rate to first make a sealing surface with inward corners.

Push the flat blank to the loading module, push it to form a cylindrical blank, and load the cylindrical blank onto the processing trolley, which is located on the tool Traveling on a track with two speed zones, the trolleys travel at a certain distance between each other in the faster running area, load the cylindrical blank at the loading module, and then enter the slower running area, so that the convex corners of the processing trolley are pressed on The first area to be formed with a concave corner is dumped into the package, and then is restricted and pushed by the baffles located on the left and right sides of the track, so that the sealing areas on both sides of the concave corner are close to each other, and finally multiple seals are sealed continuously or at once. The sealing method of each package forms the packaging structure;

Specifically, the folded flat blank is pushed to the loading module through a suction cup or paddle, and the folded flat cylindrical blank is pushed to form a cylindrical blank, and then the cylindrical blank is loaded onto the movable processing trolley for processing. The trolley travels on a circular track. The circular track at least includes a first speed zone and a second speed zone. The faster running area is to push the trolley to travel at a certain distance through the transmission mechanism. The cylindrical blank is loaded at the loading module and is then moved. It is pulled into the second speed zone, that is, the second speed zone is the accumulation zone. The processing trolleys are stacked on each other so that the convex corners of the processing trolleys are pressed against the area of the previous concave angle to be formed, and this area is dumped into the package, and then is The baffles located on the left and right sides of the track restrict and push the sealing areas on both sides of the concave corners close to each other. Finally, the packaging structure is formed by continuous sealing or sealing of multiple packages at one time.

The above-mentioned processing equipment includes a continuous track. The trolley running on the track has at least two different speed zones. The faster speed zone is used to carry the trolley forward, and the slower speed zone is used to stack the trolley. The trolley has a corner-forming component, which matches the position of the corner to be formed on the material and is in the same direction as the track.

In detail, the processing trolley has a module that can be used for support, and also has at least one component with an angle that projects forward. The posture of each processing trolley is consistent, and the position of the component is determined according to the number of inward corners of the package that needs to be processed.

If processing a package with a single concave corner, this component can be set in front of the radial direction, with the convex corner facing the concave corner area of the cylindrical blank loaded on the previous processing trolley, and the bottom of all components is installed on the chassis of the processing trolley, pulling The mechanism pulls the chassis to travel on the track. When it is pulled to the slow second track area, it slows down or directly pushes the trolley into the track area without pulling it, so that all the processing trolleys piled up in the second track area move towards each other as a whole. Move forward and push the frontmost processing trolley away from the second track area to enter the first track area or other track areas of the circular track to continue pulling;

When processing packages with double concave corners, the first processing trolley only has a support module, while the second processing trolley adjacent to it has components with two convex corners, and the direction of the corners is consistent with the direction of travel, facing the cylindrical shape loaded on the previous processing trolley. In the concave corner area of the blank, the first and second processing trolleys also travel at a certain distance in the first speed zone and install cylindrical blanks. They are stacked on each other on the track in the second speed zone. The first and second processing trolleys are combined into one. group, there are other groups of processing trolleys located in front and behind it.

What is described above is only the preferred embodiment of the present invention. It should be noted that for those skilled in the art, several changes and improvements can be made without departing from the overall concept of the present invention, and these should also be regarded as the present invention. scope of protection.

Claims

A packaging structure, characterized in that the packaging structure is formed by folding a single packaging structure sheet.
A packaging structure as claimed in claim 1, characterized in that the packaging structure has corners formed by curling or folding, which are inwardly concave corners or outwardly convex convex corners.
A packaging structure according to claim 2, characterized in that the corners include tapered corners or flat corners, which are divided into concave corners and convex corners; the concave corners are concave inward and are inwardly folded corners or inserted corners for accommodating other items. The corners of the packaging body may be provided with openings to provide a way to open the package from concave corners; the convex corners protrude outward and are tapered corners or folded corners for setting openings.
A packaging structure according to claim 3, characterized in that the packaging structure further includes an opening structure of a preset shape, the whole or a part of the opening structure is located at the corner, and/or the opening structure is assisted in opening by the corner. ;

The packaging sheet is a single layer of material or a laminated material formed by combining multiple layers of materials; the opening structure includes opening and sealing structures;

The opening is a preset-shaped area defined by tear lines and/or through holes on at least one material layer of the packaging sheet; the area at least includes a local corner sealing area and/or a lower corner surface;

The sealing structure is a part of the packaging sheet that covers the opening area, or an independent covering structure that is not connected to the packaging sheet; before the sealing structure is destroyed, the opening is in a sealed state.
A packaging structure according to claim 4, characterized in that the corners are convex corners, and the opening structure is located at least in the convex corner sealing area, that is, at least the sealing structure located in the convex corner sealing area is removed to form An opening located at least on the top surface of the corner, and/or,

The corners are convex corners, and at least part of the sealing structure of the opening structure is located at the vertex of the outer folded corner. When the sealing structure is removed, the sucking mouth can be formed.
A packaging structure according to claim 5, characterized in that the external sealing structure located at the outer corner is a folded wrapping sleeve, or is an inner corner of another packaging structure, that is, the external sealing structure is used to seal the structure. The package has outwardly convex corners and can damage the opening structure by pulling on the peripheral sealing structure; and/or

The unconnected area on the outer folded corner is the sanitary area where the sucking port and the mouth are in contact.
A packaging structure as claimed in claim 4, characterized in that the corners are concave corners or outwardly folded corners, the sealing structure is provided with a tear line, at least a part of the tear line is located on the surface of the corner and the top surface of the packaging structure, After the tear line is broken, the top surface of the packaging structure is separated by the position of the corner to form an opening; and/or

The sealing structure is provided with a handle area, and the handle area is provided with a handle, which is a component protruding from the top surface.
A packaging structure as claimed in claim 4, characterized in that the corner is an outer folding corner, the opening structure is located on the lower corner surface, the outer folding corner can be folded and attached to the side wall, and the opening structure is connected to the side wall to lift the outer folding corner. Destroy concealed opening structures, and/or

The opening structure is connected to the side wall through a tear guide portion. The tear guide portion is a tear guide sheet that is folded in half. The opening direction of the tear guide portion is toward the intersection of the outer folding corner and the side wall. The tear guide portion includes a first tear guide sheet and The second tear guide sheet is connected to the first tear guide sheet, the first tear guide sheet is bonded to the side wall, and the second tear guide sheet is bonded to the sealing structure.
The packaging structure according to claim 8, further comprising a one-way pouring structure provided on the inner wall for covering the pouring opening, and the one-way pouring structure can be used by the packaging structure The drink in the main body is poured out from the pouring outlet, and can prevent external air from entering the inner cavity of the main body of the packaging structure; the one-way pouring structure includes:

The first material layer is fixedly connected to the inner wall of the inner layer structure and is provided with a through hole, which is used to guide the beverage in the main body of the packaging structure to the pouring outlet;

The second material layer is provided between the first material layer and the inner wall to prevent external air from entering the inner cavity of the packaging structure body;

The first material layer and the second material layer are two material layers, or the same material layer is folded to form a double-layer structure of different lengths.
A packaging structure as claimed in any one of claims 4 to 7, characterized in that the corner is an outward folding corner, and the opening structure includes the entire outer folding corner and the outer folding corner sealing area to completely separate the outer folding corner to form a pouring outlet, or,

The top surface of the corner with the opening has longitudinal marks to assist in shaping the spout, or,

Partially seal the flattened outer corner edge and provide a shear opening in the sealing area so that the package can be torn open through the shear opening, or,

Partially seal the upper and lower sides of the flat outer folded corners, and punch holes in the sealed areas to form pull tabs and handles.
A packaging structure according to any one of claims 3 to 9, characterized in that the upper part of the packaging structure has a concave corner, which is located on the other side of the convex corner and has a concave corner that can be embedded by the convex corner; and/or

The convex corners can be covered or connected by the concave corners of another packaging structure, so that two or more packages can be neatly arranged or connected, and two or more packaging structures with convex corners can be matched.
A packaging structure according to any one of claims 3 to 9, characterized in that the packaging structure is one of the following three types:

S1. The top of the packaging structure is roof-shaped, with the convex angle protruding from the side wall and forming a triangular pyramid angle;

S2. The top of the packaging structure is quadrilateral, and the convex corners are flat and folded outwards;

S3. The bottom surface of the packaging structure is a quadrilateral. As it gradually extends upward, its cross-sectional area gradually becomes smaller. When it extends to the uppermost end, it is linear, and its front view is trapezoidal, that is, it has oblique convex corners.
The packaging structure of claim 2, wherein the corners are concave corners, and the folding lines of the corner sealing areas of the concave corners are not covered by the main sealing area, and the package can be opened through the concave corners without being hindered by the crease line. In pillow-type packaging or upright packaging; or

The opening structure at least includes an inner folding line of the concave corner sealing area, so that by breaking apart the concave corner sealing area and destroying the inner folding line, the top of the package can be opened by continuing to break along the top sealing area.
A packaging structure according to claim 1, characterized in that the packaging structure has an opening, and the inner wall of the packaging has a connected built-in layer, and the built-in layer is used to form a cavity to isolate or accommodate built-in accessories, or to form a straw structure. .
A packaging structure as claimed in claim 14, characterized in that the built-in layer is curled into an arch or tube shape and connected to the inner wall of the package to jointly form a straw structure, and the built-in layer has at least two layers of materials, wherein the material layer provides support properties Partially hollowed out, another layer of film at least covers the hollowed out position, so that the built-in layer that forms a straw structure after bending can be bent, and the user can take out the upper part of the straw through the opening.
The packaging structure according to claim 14, wherein the accessories are straws, spoons, forks, and chopsticks; the built-in layer at least covers the opening position, and the straws are specifically bendable straws or telescopic straws, and the bent straws are The lower end of the foldable straw or telescopic straw is not covered by the cavity and is fixed on the inner wall of the package. The upper part of the telescopic straw or the upper part and the bent part of the bendable straw are accommodated by the cavity, and the bendable straw is accommodated in the cavity. The upper part of the straw extends toward the inner top surface of the packaging structure, and the upper part of the straw can be taken out for use by opening the opening.
A packaging structure as claimed in claim 15, characterized in that the accessories are arranged non-parallel to the corrugations of the packaging structure, that is, they are arranged diagonally toward the bottom corner of the package, making it easier for the straw to absorb, or allowing the accessories to be designed longer, or

Parts of the accessory are arranged in the same direction as the opening structure and connected, so that the accessory can be taken out simultaneously by pulling the opening structure.
A packaging structure according to claim 14, characterized in that the accessories are condiments, the packaging structure can be sealed packaging or non-sealed outer packaging, and the cavity formed by the built-in layer is a sealed structure. The built-in layer is destroyed so that the condiments can fall into the package contents for seasoning or brewing, or the outer shell package can be placed flat on the table and the opening structure can be opened to pick up the condiments.
A packaging structure according to claim 14, characterized in that the packaging body is provided with an inner folding structure, at least a part of the inner folding structure is connected to the built-in layer, and can be torn apart by tilting the flat inner folding structure. The built-in layer allows the built-in cavity to be destroyed without damaging the sealing structure; or

The packaging body is provided with an inner folding angle structure, and the built-in layer is located below the inner folding angle. The inner folding angle squeezes the inner layer to destroy the cavity, so that the solution in the cavity falls into the contents.
A packaging structure according to claim 1, characterized in that the packaging structure has three vertices on at least one side and at least one upright surface.
A packaging structure according to claim 20, characterized in that the packaging structure is formed by folding packaging structure sheets, and the surface with three vertices is the top surface and/or the upright surface, and the upright surface is at least the same as one surface. Vertical; the sealing surface of the packaging structure includes the top surface and the bottom surface; it has corners, including flat corners and non-flat corners, which can be concave or convex toward the packaging structure, and also have curved or inclined surfaces.
A packaging structure as claimed in claim 21, characterized in that the surface with three vertices is an upright surface, and is composed of three vertices with concave non-flat angles; the bottom surface of the packaging structure is a quadrilateral, with an upward tapered shape. Shrunk to a line, its front view is trapezoidal, that is, the opposite side of the upright surface has a non-flat angle that convex obliquely outward.
A packaging structure according to claim 22, characterized in that the concave non-flat corner can be embedded by the convex non-flat corner, or,

The convex non-flat corners can be covered or connected by the concave non-flat corners of another packaging structure, so that two or more packages can be neatly arranged or connected, and two or more packaging structures with convex corners can be fit together.
A packaging structure according to claim 21, characterized in that the upright surface of the packaging structure is a quadrilateral, and the surface with three vertices is the top surface; the bottom edge of the top surface has connected flat corners, and two of the flat corners The angle between the strip edges is less than 90 degrees.
A packaging structure according to claim 24, characterized in that the opposite side of the upright surface has a non-flat corner, the side vertex of the corner is located on the top surface, and is folded inward or outward; the bottom edge of the side of the non-flat corner Collinear or non-collinear with the edge of the base.
A packaging structure according to claim 24, characterized in that the opposite side of the upright surface has a longitudinally arranged flat corner, the side apex of the corner is located on the top surface, and is folded inward or outward; and/or

The longitudinally arranged flat corners folded outward are sealed and cut to form handles, and the packaging structure is opened through the flat corners or the top sealing area, resulting in a pot-shaped package with handles.
A packaging structure according to claim 21, characterized in that the packaging structure is in the form of a triangular prism, the bottom surface is a triangular surface, and the quadrilateral upright surface can be used as the bottom surface for transportation and use; and/or

The opposite side of the upright surface of the triangular prism packaging structure has an integrally formed functional area structure, which can be used as a handle or a sandwich for sealing accessories; and/or

The upright surface of the triangular prism can have an opening at a position opposite to the side ridges.
A packaging structure as claimed in claim 20, characterized in that the packaging structure is in the form of a triangular prism, the bottom surface is a triangular surface, and the quadrilateral upright surface can be used as the bottom surface for transportation and use, and the opposite side of the upright surface of the packaging structure has an integrally formed The functional area structure is used as a handle, the upright surface of the triangular prism has an opening at the position opposite to the side corrugation, and the packaging structure is a packaging structure bag.
A packaging structure as claimed in claim 24, characterized in that the bottom surface of the packaging structure is a quadrilateral, tapering upward to form a surface with three vertices, and is trapezoidal in front view, that is, the opposite side of the upright surface also has three vertices. The surface is convex, or

The bottom surface of the packaging structure is a quadrilateral, tapering upward to form a diagonally inclined top surface with three vertices, and the opposite side of the upright surface also has a surface with three vertices, forming a convex angle.
A packaging structure according to any one of claims 21 to 26, characterized in that at least one side is tapered in the direction toward the opposite side, and the packaging structure has an oblique opening and/or an oblique fluid channel, that is, the outer surface is tapered. An opening structure is provided on the convex corner for opening, or the top surface is unsealed to form an oblique opening.
A packaging structure as claimed in any one of claims 20 to 29, characterized in that the packaging structure is composed of structural lines to form support flutes on the vertical surface and the bottom surface, and the remaining areas are divided by decorative lines, and the decorative lines include imaginary lines and/or marks. Line, the imaginary line is the bending axis that makes the flat packaging sheet bend into a curved surface, and the mark line is the line that makes the flat packaging sheet bend into multiple faces;

Fusing at least two surfaces or areas into continuous surfaces by reducing part or all of the trace lines and bending them into curved surfaces with imaginary lines; or

By adding additional lines, the surface can be split into at least two faces, or a plane can be split to meet the needs of appearance and design.
A packaging sheet used to make the packaging structure according to any one of claims 20 to 29, characterized in that it is an integrated structure, with structural lines dividing the upright surface and the bottom surface and used to form its supporting ribs, The remaining areas are divided by decorative lines. The decorative lines include imaginary lines and indentation lines. The imaginary line is the bending axis that makes the flat packaging sheet bend into a curved surface. The indentation line is the bending axis that makes the flat packaging sheet bend into multiple shapes. The flutes at the intersection of the faces; and have at least one corner area for bending into a non-flat angle, or at least a triangular top surface area.
A packaging sheet as claimed in claim 32, characterized in that the corner area at least includes a triangular lower bottom surface and a corner top area distributed and connected with its two side edges, or the side edges of the corner area are oriented toward the outside of the corner area. Convex curve.
A packaging structure group including the packaging structure according to claim 2, including a plurality of packaging structures fixed in series, at least one of the packaging structures is the packaging structure according to claim 2, when two adjacent packaging structures are connected , in which the convex corners of one packaging structure are embedded in the concave corners of another packaging structure.
The packaging structure set according to claim 34, characterized in that: when the concave angle of the packaging structure is a flat angle, the embedded convex angle is also a flat angle; or, when the concave angle of the packaging structure is a tapered angle, the embedded convex angle is a flat angle. The angles are tapered to match their shape.
A method for preparing a packaging structure group according to claim 34, characterized in that: the preparation is carried out in the order of steps S1, S2, and S3, or in the order of steps S2, S1, and S3, specifically:

S1. Complete sealing of the lower bottom surfaces of at least two cylindrical blanks, so that each cylindrical blank is a fillable packaging blank;

S2. Arrange at least two cylindrical blanks side by side in the same posture, and contact or connect the two areas of the convex angle and concave angle to be formed on any two adjacent cylindrical blanks correspondingly, so that these cylindrical blanks become a blank group;

S3. Fill the blank group obtained in step S1 or step S2, and seal the top sealing area to form the packaging structure, that is, the packaging structure is obtained, and any two adjacent packaging structures are connected by a fitting structure;

The "lower bottom surface" in step S1 is the bottom surface during filling, the real lower bottom surface of the packaging structure, or the upper bottom surface of the packaging structure.
The method of preparing a packaging structure set according to claim 36, characterized in that in step S2, the two areas of the convex angle and the concave angle to be formed are tilted according to the packaging structure of claim 34 through external force interference.
The packaging structure according to claim 2, characterized in that it is an upright packaging structure with at least one concave corner, or

having a concave angle and a convex angle on its opposite side, or,

A packaging structure with concave corners used to hold solid particles, semi-liquid and semi-granular liquid food, or semi-solid contents.
A method for preparing concave corners in a packaging structure as claimed in claim 38, characterized in that:

S1. Arrange at least two cylindrical blanks to be processed side by side in the same posture; or load the cylindrical blanks into the processing car with convex corners in the same posture;

S2. Contact or connect the two areas of the convex angle and the concave angle to be formed on any two adjacent cylindrical blanks correspondingly, or bring at least two processing trolleys with the same posture close to each other;

S3. When the two are folded, the convex corner of one of the packages or the convex corner of the processing trolley is embedded into the concave corner to be formed, and sealed to form the concave corner.
The processing method according to claim 39, characterized in that:

Move at least two processing trolleys with convex corners along the same track in the same attitude, and load the cylindrical blanks onto the processing trolleys;

When running in the first speed zone of the track, the two processing trolleys run with a gap between them, which is used to load the cylindrical blank onto the processing trolley;

When running in the second speed zone of the track, the two processing trolleys are close together, so that the convex corners of the processing trolleys are embedded in the concave corners to be formed to form a preformed concave corner structure; they are then sealed to form the concave corners.
The processing method of a packaging structure according to claim 40, characterized in that the sealing surface with concave corners is first made and sealed, then filled, and then the remaining sealing surface is sealed; or

The sealing areas on both sides of the preformed recessed corner structure are brought close to each other by two baffles that are close to each other; or

Sealing preformed recessed corner structures of multiple packaging structures simultaneously or sequentially.
The processing method as claimed in claim 39, characterized in that the flat blank is pushed to the loading module, pushed to form a cylindrical blank, and the cylindrical blank is loaded onto a processing trolley, which travels on a track with two speed zones. , the trolleys travel at a certain distance between each other in the faster running area, load the cylindrical blank at the loading module, and then enter the slower running area, so that the convex corner of the processing trolley is pressed against the previous concave corner area to be formed, and the This area pours into the package, and is then restricted and pushed by the baffles located on the left and right sides of the track, so that the sealing areas on both sides of the concave corner are close to each other. Finally, the packaging structure is formed by continuous sealing or sealing of multiple packages at one time.
The processing equipment used in the processing method of claim 42 is characterized in that: it includes a continuous track on which the trolley runs, and has at least two different speed zones, and the faster speed zone is used to carry the trolley forward, The slower speed zone is used to accumulate the trolleys, which have angle-forming parts that match the position of the corners to be formed on the material and are in the same direction as the track.
The processing equipment as claimed in claim 43, characterized in that: the processing trolley has a module that can be used for support, and also has at least one forward-protruding angular component, and the attitude of each processing trolley is consistent. According to the packaging that needs to be processed The number of inward corners determines the position of the component,

If processing a package with a single concave corner, this component can be set in front of the radial direction, with the convex corner facing the concave corner area of the cylindrical blank loaded on the previous processing trolley, and the bottom of all components is installed on the chassis of the processing trolley, pulling The mechanism pulls the chassis to travel on the track. When it is pulled to the slow second track area, it slows down or directly pushes the trolley into the track area without pulling it, so that all the processing trolleys piled up in the second track area move towards each other as a whole. Move forward and push the frontmost processing trolley away from the second track area to enter the first track area or other track areas of the circular track to continue pulling;

When processing packages with double concave corners, the first processing trolley only has a support module, while the second processing trolley adjacent to it has components with two convex corners, and the direction of the corners is consistent with the direction of travel, facing the cylindrical shape loaded on the previous processing trolley. In the concave corner area of the blank, the first and second processing trolleys also travel at a certain distance in the first speed zone and install cylindrical blanks. They are stacked on each other on the track in the second speed zone. The first and second processing trolleys are combined into one. group, there are other groups of processing trolleys located in front and behind it.