WO2015165406A1 - 包装容器成形的坯料以及包装容器 - Google Patents

包装容器成形的坯料以及包装容器 Download PDF

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Publication number
WO2015165406A1
WO2015165406A1 PCT/CN2015/077846 CN2015077846W WO2015165406A1 WO 2015165406 A1 WO2015165406 A1 WO 2015165406A1 CN 2015077846 W CN2015077846 W CN 2015077846W WO 2015165406 A1 WO2015165406 A1 WO 2015165406A1
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WO
WIPO (PCT)
Prior art keywords
packaging container
bottle
blank
packaging
laminated composite
Prior art date
Application number
PCT/CN2015/077846
Other languages
English (en)
French (fr)
Inventor
刘钧
洪钢
Original Assignee
纷美(北京)贸易有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 纷美(北京)贸易有限公司 filed Critical 纷美(北京)贸易有限公司
Priority to CN201590000472.5U priority Critical patent/CN206704757U/zh
Priority to EP15786188.1A priority patent/EP3138784B1/en
Publication of WO2015165406A1 publication Critical patent/WO2015165406A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/54Inspection openings or windows
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/28Other details of walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/02Wrappers or flexible covers
    • B65D65/22Details

Definitions

  • the present invention relates to a package container forming blank and a packaging container.
  • a conventional packaging container structure such as the patent document disclosed in WO 2008/086808 A1, in which the paper bottle structure is disclosed in FIG. 2 of the patent document, which is sealed with a bottom 3 formed by a laminated composite material and a bottle body 2 Thereafter, the upper end of the skirt 17 formed by the bottle body 2 is exposed to the external environment; and since the packaging material forming the bottle structure is a laminate, especially most of the laminates also contain paper.
  • the base layer therefore, when the skirt end is exposed to the external environment, due to the external environment and other conditions, it will lead to damage, cracking, mildew, etc., which will affect the performance of the packaging container and have a certain impact on food safety. .
  • the above packaging container comprises a cylindrical bottle body at the lower end and a frustoconical bottle neck at the upper end, and the bottle body and the bottle neck are formed by a rectangular sheet-shaped packaging material, wherein the bottle neck portion adopts the wrinkle of the packaging material to achieve the purpose of continuously narrowing the neck portion.
  • the pleats of the neck are folded in one direction. After folding, the creases on the outer surface of the bottle neck may have different heights, as shown in the drawings of the comparison document, the specifics indicated in the comparison document.
  • the crease 10 is the side of the guide crease 9, although the portion labeled 11 in the figure is as close as possible to the crease 9 or even the two are adjacently overlapped, so that the crease 12 of the outer surface of the bottleneck in the figure is two
  • the side irregularities remain relatively uniform, but in reality this is only a relatively ideal situation, which can be achieved by a relatively complicated process and whose shape is not easy to maintain. Therefore, in the appearance of the bottle body of the structure, the crease parts of the finished product are high and low, and there are obvious steps. Since the packaging container usually prints the pattern in advance on the surface of the packaging material, the obvious step is Will affect the expression of the content of the pattern.
  • the twisting force applied in the circumferential direction of the bottle body will be the most The damage of the partial bond labeled 11 in the figure is first caused, thereby destroying the ideal appearance of the bottleneck.
  • laminated sheets are widely used to form the final packaging containers, such as brick bags, pillow bags, and bottle-shaped packaging containers widely known by the audience;
  • the basic operating process is to form the final packaging container structure by folding the sheet-like retaining fold, and the folded portion during the forming process is substantially limited to the corners and the like which are meaningless to the shaped shape, and the folding portion is followed. There may be fewer principles.
  • some relatively small packaging containers formed from such thinner laminated sheets are relatively easy to maintain after loading the contents, and when packaged
  • the pressure of the liquid food inside and the like on the inner wall of the packaging container and the weight of the liquid food itself may cause uneven extrusion on the inner wall of the packaging container, thereby affecting the shape of the package, and even causing the packaging container to be deformed or even broken. .
  • the above-described bottle-like structure packaging container is formed in a folded form of a laminate in which a body portion in which a folded mark is pressed in advance is folded and sealed to form a main portion of the bottle.
  • the bottle formed by the formed form, the bottle neck portion of which is folded over by the packaging material will cause the surface of the bottle to have a large degree of undulation, the appearance is deteriorated, and the gap of the folded portion is not conducive to sterilization, due to the bottle body
  • One technical problem to be solved by the present invention is to provide a packaging container structure having better performance and environmental adaptability.
  • a packaging container partially or wholly formed of a laminated composite material comprising a paper substrate, the packaging container being formed having at least a portion of a laminated composite material having a cross-section or surface bonded to a surface of an adjacent packaging material, wherein At the bond, the paper substrate of the laminated composite paper substrate is blocked from the external environment by the waterproof material.
  • the section or surface is coated with a waterproof strip which forms the waterproof material for blocking the paper substrate from the external environment.
  • the cross-section of the laminated composite material is a chamfered surface, the chamfered surface is in conformity with the surface of the adjacent packaging material, and the outermost laminate material of the laminated composite material
  • the layer forms the waterproof material that blocks the paper substrate from the external environment.
  • the waterproof sticker is heat-sealed to the cross section of the laminated composite material.
  • the waterproof sticker is a PE strip.
  • the PE strip is used as a waterproof strip, which is easy to take and has a good effect.
  • the waterproof sticker is a laminate.
  • the packaging container is in the form of a bottle, and the bonding portion is located at the bottom portion of the bottle-shaped packaging container.
  • the packaging container is in the form of a bottle.
  • the bonding portion is located at a bottom portion of the bottle-shaped packaging container, and the waterproofing strip is wrapped along a circular path at an interface between the two packaging materials forming the bottom of the bottle and the bottle body.
  • the bottom of the bottle is used as a receiving part of the packaging container during storage and transportation, the surrounding environment will be less ventilated and more likely to accumulate moisture after the paper base is exposed. Therefore, when the paper base and the environment are blocked, The effect is more obvious.
  • the packaging container has a bottle shape, and the chamfered surface is formed at a tip end of a folded portion of a packaging material forming the bottle body of the bottle-shaped packaging container, and the chamfered surface is formed
  • the lower surface of the packaging material of the bottom of the bottle-shaped packaging container is bonded and bonded together.
  • the chamfered surface has a chamfer angle of preferably 45 degrees.
  • the chamfered surface faces the outer side of the bottle body.
  • the packaging container structure adopting the above technical solution avoids excessive contact or action of the paper base layer exposed to the outside of the packaging container and the external environment by the treatment or coating of the structure of the bonding material of the packaging material, thereby reducing the environmental humidity.
  • the paper base layer is first damaged or mildewed, thereby affecting the aesthetics of the overall packaging container or reducing the physical properties of the packaging container itself.
  • the performance of the packaging container itself is further improved.
  • Another technical problem to be solved by the present invention is to provide a packaging container in which the surface of both sides of the crease is flat, no more subsequent processing is required, and the container structure is relatively easy to maintain.
  • a packaging container comprising a cylindrical bottle body and a truncated cone neck formed by a sheet laminate, the bottle body and the bottle neck being formed by a complete rectangular sheet laminate, the rectangular sheet layer
  • the pressing material is composed of a first portion and a second portion of the rectangular shape, and the connected first portion and the second portion respectively form the cylindrical bottle body and the frustoconical neck bottle, and the circumferential portion of the bottle neck is disposed at intervals a portion of the second portion of the sheet-like laminate is folded to form a series of folded layers stacked on one side of the neck and protruding from the neck surface of the bottle neck, and the other side surface of the bottle neck forms a series of corresponding a crease from the lower portion to the upper portion of the frustoconical bottleneck, the folding amount of the folded layer being gradually widened to keep the opening of the bottle neck gradually smaller, characterized in that the folded layer protruding from the neck surface of the bottle neck is at least Two end edges are included, the two end edges being separated at
  • the folded layer is located at the inner side end of the packaging container.
  • the folded layer is located at the outer end of the packaging container.
  • the distance of the corresponding crease from the one of the end ribs is greater than the distance from the other end rib. At this time, it will be advantageous to maintain the shape of the packaging container itself when the screw cap attached to the packaging container is unscrewed.
  • the respective creases are equidistant from each other at the same level in the same horizontal plane.
  • the laminate comprises at least one layer of paper base and one layer of aluminum foil. This will facilitate the preservation of drinks such as milk and juice.
  • the laminate of the folded layer and the bottle body is heat sealed by induction heating.
  • the packaging container of the above technical solution is used to manufacture a bottle-shaped packaging container by laminating sheets, in particular, the composite paper material is sealed and folded to form a final bottle-like structure, which can not only effectively reduce the high cost of the plastic packaging container. It is difficult to decompose, and has the advantages of low cost, high environmental protection, etc., and is also conducive to maintaining the shape control of the container itself. Especially when applied to a special filling machine, the filling speed and throughput per unit time can be greatly improved.
  • the disadvantages of the process control of the similar packaging container in the prior art are complicated, the control links are many, and the state of the bottle body is not easy to maintain.
  • Another technical problem to be solved by the present invention is to provide a blank for manufacturing the aforementioned packaging container, the blank being divided by a roll of sheets, each of the divided blank units including the connected first rectangular portion and second rectangular shape
  • the first rectangular portion and the second rectangular portion share a rectangular side
  • the first rectangular portion is for forming a cylindrical bottle body of the packaging container
  • the second rectangular portion is for forming the package Container a bottleneck
  • the second portion is provided with a plurality of sets of indentations for facilitating the folding stacking
  • each set of the indentations comprises a first indentation line, a second indentation line, and a third pressure arranged in sequence a trace line and a fourth indentation line, wherein one end of the four indentation lines converges on a point on the common rectangular side, and the other end of the four indentation lines is dispersedly arranged in the first
  • the second rectangular portion is on the other rectangular side opposite the shared rectangular side.
  • a first region is formed between the first and second indentation lines, and a second region is formed between the second and third indentation lines, the third and fourth pressures
  • a third region is formed between the marks; the first region and the third region are symmetrically arranged.
  • the line passing through the convergence point and perpendicular to the common rectangular side is used as a reference line, and the distance of the first indentation line from the reference line is the same level on the same horizontal plane.
  • the second indentation line is twice the distance from the reference line, and the distance of the fourth indentation line from the reference line is twice the distance of the third indentation line from the reference line.
  • a line passing through the convergence point and perpendicular to the common rectangular side is used as a reference line, and on the same horizontal plane, the first indentation line is away from the reference line.
  • the distance is 2 times the distance of the second indentation line from the reference line
  • the distance of the fourth indentation line from the reference line is the distance of the third indentation line from the reference line 2 times.
  • a distance of the first indentation line from the reference line is smaller than a distance of the fourth indentation line from the reference line.
  • the blank may be a laminated composite having a composite layer comprising at least one paper base layer and one aluminum foil layer.
  • the first rectangular portion is provided with at least one observation hole, and the observation hole is sealedly connected with a transparent sheet.
  • the transparent sheet is bonded to the surface of the laminated composite material, or the transparent sheet is bonded between the two laminated layers of the laminated composite material.
  • the packaging container is manufactured by using the increased blank in the above technical solution, the forming efficiency and forming quality of the packaging container can be greatly accelerated, and the blank production process Simple and low cost.
  • Another technical problem to be solved by the present invention is to provide a packaging container in which the shape of the package is relatively easy to maintain.
  • a packaging container for storing a liquid food product wherein a wall of the container forming a main storage space of the packaging container is at least partially formed of a paper-based sheet-like laminate, and a plurality of sets of folded and disposed on the container wall A reinforcing rib formed by laminating the laminate, the reinforcing rib protruding from the container wall.
  • the reinforcing ribs are laterally arranged on the surface of the container wall.
  • the reinforcing ribs are vertically arranged on the surface of the container wall.
  • the reinforcing ribs are diagonally arranged on the surface of the container wall.
  • the reinforcing ribs protrude from the inner side surface of the container wall.
  • the reinforcing ribs protrude from the outer side surface of the container wall.
  • the packaging container is in the form of a bottle, and the bottle body of the bottle-shaped packaging container is formed of the laminate.
  • the packaging container is in the form of a bottle, and the bottle body and the bottle neck of the bottle-shaped packaging container are both formed of the laminate, and the bottle body and the bottle neck surface are provided with the reinforcement. Tendons.
  • the stacked ribs are folded along one side of the crease with respect to the crease formed at the fold.
  • the ribs stacked may also be folded along the crease formed at the fold along both sides of the crease.
  • the reinforcing ribs of the creases are arranged in a centered manner or are biased toward one side thereof.
  • the packaging container has a hexagonal prism shape Envelope or brick package structure.
  • the laminated composite material may be laminated by induction heating to form the reinforcing ribs.
  • the packaging container structure protects the stability of the package structure by forming various kinds of reinforcing ribs by folding, attaching, embedding or the like on the surface or inside of the material forming the packaging container, thereby making the inclusion body
  • it has higher physical properties, which is beneficial to prolonging the use time of the body itself, and avoids defects such as breakage, bag and deformation of the packaging container during the turnover transportation and even the production process.
  • Greatly improved the quality of the package is possible to carry liquid foods, it has higher physical properties, which is beneficial to prolonging the use time of the body itself, and avoids defects such as breakage, bag and deformation of the packaging container during the turnover transportation and even the production process.
  • Another technical problem to be solved by the present invention is to provide a blank for producing the above-mentioned inclusion body. Further, it is convenient to produce the above-mentioned special package.
  • a blank for manufacturing the aforementioned packaging container which is preliminarily pressed on the surface of the laminated composite material to have a plurality of sets of indentation lines which are folded to form the reinforcing rib structure.
  • the indentation lines of each group may be two or four.
  • At least one observation hole is disposed in advance on the laminated composite material, and the transparent hole sheet is sealingly connected to the observation hole.
  • the transparent sheet is bonded to the surface of the laminated composite material, or the transparent sheet is bonded between the two laminated layers of the laminated composite material.
  • the packaging container blank adopting the above technical solution can quickly and conveniently realize the forming of the corresponding package body, and is favorable for meeting the large-scale production requirements of modern food processing.
  • Still another technical problem to be solved by the present invention is to provide a packaging container in which the shape of the package is relatively easy to maintain.
  • a packaging container the main body being formed of a sheet-like laminate material, and a strip-shaped or mesh-shaped reinforcing rib structure is provided on a side wall of the packaging container formed of the sheet-like laminate material.
  • the rib structure is disposed on an inner wall or an outer wall surface of the side wall.
  • the rib structure is embedded inside the laminate.
  • the reinforcing ribs are formed by partially folding and stacking the same laminated composite material forming the side wall of the packaging container.
  • the reinforcing ribs are the same packaging material or different packaging materials adhered to the surface of the laminated composite material forming the side wall of the packaging container.
  • the plurality of strip-shaped reinforcing ribs of the rib structure are evenly arranged along the circumference of the packaging container.
  • strip-shaped reinforcing ribs of the rib structure may be arranged obliquely, vertically or horizontally with respect to the bottom of the packaging container.
  • the rib structure may be disposed on a sidewall corresponding to the main accommodating space of the packaging container.
  • the reinforcing rib structure is provided from the lower half to one third of the corresponding side wall to the bottom of the side wall.
  • a plurality of strip-shaped reinforcing ribs arranged horizontally have intervals between adjacent reinforcing ribs gradually decreasing from the upper portion to the lower portion of the packaging container.
  • the stacked ribs are folded along one side of the crease with respect to the crease formed at the fold.
  • the stacked ribs are folded along the crease formed at the fold along both sides of the crease.
  • the ribs are arranged to be aligned or biased toward one side of the reinforcing ribs.
  • the crease is closer to the front side of the corresponding rib.
  • the packaging container is in the form of a bottle, and the bottle body and the bottle neck of the bottle-shaped packaging container are formed of the laminated composite material.
  • bottle body and the bottle neck of the bottle-shaped packaging container are formed of the same laminated composite material.
  • the rib structure is provided at both the bottle body and the bottle neck.
  • the rib structure is provided only at the bottle body.
  • the packaging container has a hexagonal prismatic package or a brick package structure.
  • the ribs are horizontally disposed on the outer façade of the packaging container.
  • the laminated composite material is subjected to induction heating to be stacked and sealed to form the reinforcing ribs.
  • the packaging container structure protects the stability of the package structure by forming various kinds of reinforcing ribs by folding, attaching, embedding or the like on the surface or inside of the material forming the packaging container, thereby making the inclusion body
  • it has higher physical properties, which is beneficial to prolonging the use time of the body itself, and avoids defects such as breakage, bag and deformation of the packaging container during the turnover transportation and even the production process.
  • Greatly improved the quality of the package is possible to carry liquid foods, it has higher physical properties, which is beneficial to prolonging the use time of the body itself, and avoids defects such as breakage, bag and deformation of the packaging container during the turnover transportation and even the production process.
  • Another technical problem to be solved by the present invention is to provide a blank for producing the above-mentioned inclusion body. Further, it is convenient to produce the above-mentioned special package.
  • a blank for manufacturing the aforementioned packaging container which is preliminarily pressed on the surface of the laminated composite material to have a plurality of sets of indentation lines which are folded to form the reinforcing rib structure.
  • the indentation lines of each group may be two or four.
  • the blank comprises a first rectangular portion and a second rectangular portion which are connected, the first rectangular portion forms a bottle neck of the bottle-shaped packaging container, and the second rectangular portion forms a bottle-shaped packaging container
  • the bottle body is provided with a single set of the indentation lines on the first rectangular portion arranged radially, and a single set of the indentation lines disposed on the second rectangular portion are arranged in parallel, the first a corresponding set of indentation lines on the rectangular portion and the second rectangular portion intersect on a rectangular side shared by the first rectangular portion and the second rectangular portion, the common rectangular edge finally forming a bottleneck of the bottle-shaped packaging container The dividing line of the bottle.
  • At least one observation hole is provided in advance on the second rectangular portion, and the transparent hole is sealingly connected to the observation hole.
  • the transparent sheet is bonded to the surface of the laminated composite, or the transparent sheet is bonded between the two laminated layers of the laminated composite.
  • Another technical problem to be solved by the present invention is to provide another blank for manufacturing a packaging container.
  • the specific technical solution is to embed a strip-shaped or mesh-shaped reinforcing rib in advance when recombining between the laminated composite composite layers.
  • Another technical problem to be solved by the present invention is to provide another blank for manufacturing a packaging container, in a specific technical solution, in which a strip-shaped reinforcing rib is adhered to the surface of the laminated composite material in advance.
  • the packaging container blank adopting the above technical solution can quickly and conveniently realize the forming of the corresponding package body, and is favorable for meeting the large-scale production requirements of modern food processing.
  • the technical problem to be solved by the present invention is to provide a packaging container forming blank which is more advantageous for sterilization and sterilization.
  • the technical problem to be solved can be implemented by the following technical solutions.
  • a packaging container forming blank for forming a bottle body and a bottle neck portion of a bottle-shaped container, wherein the blank is a sheet material, the sheet material comprising a lower portion of a rectangular material and an upper portion of a rack-shaped material, One of the rectangular sides of the rectangular material is overlapped with the bottom edge of the rack-shaped material and integrally formed by die-cutting through different portions of the same piece of material for forming the bottle body of the bottle-shaped container
  • the rack form is used to form a neck portion of the bottle container; the rack material is provided with a set of open serrations.
  • the blank surface of the inner side of the serrated edge is provided with an indentation line for facilitating folding of the blank to maintain adjacent serrated splicing.
  • the serration of the serration is an isosceles trapezoid.
  • 6-8 of the saw teeth are evenly distributed on the rack material.
  • the rack strip material is evenly disposed with 8 of the saw teeth, and the effect is better.
  • the tooth height of the saw tooth is about half of the rectangular height of the rectangular material (i.e., the axial direction when crimped).
  • the overall length of the rack-shaped material is 3-4 times the tooth height of the sawtooth. Wherein, it is more preferable that the overall length of the rack-shaped material is ⁇ times the tooth height of the sawtooth.
  • the overall shape of the final formed bottle is slender (especially the bottle neck portion), and the structure thereof makes the tendency of the opening of the bottle neck portion relatively relatively gentle, which is favorable for maintaining the natural transition of the bottle structure and the aesthetic appearance of the surface.
  • the serrations of the serrations are covered with a strip of waterproof material.
  • the coating of the waterproof strip not only facilitates the protection of the cross-section of the blank package, but also facilitates the bonding and sealing during forming.
  • the blank includes at least a paper base layer, an aluminum foil layer, and a water repellent layer.
  • the composite material will not only meet the characteristics of heat insulation, light protection and moisture resistance, but also have the advantage of low cost.
  • an ink printing layer may be provided on the surface of the blank. It will facilitate the expression of the surface pattern of the bottle and can reduce the cost of packaging printing.
  • At least one observation hole is disposed in advance on the blank, and the transparent hole is sealingly connected to the observation hole.
  • the transparent sheet is bonded to the surface of the blank, or the transparent sheet is bonded between the aluminum foil layer of the blank and the waterproof layer.
  • the packaging material forming blank of the above technical solution By using the packaging material forming blank of the above technical solution, by pre-cutting the pressed sheet-shaped blank, especially the treatment of the folded and bonded tooth-shaped portion, the bottleneck in forming the bottle-shaped packaging container by using the laminated composite material can be avoided. Part of the folding of the packaging material will result in a sterilization dead angle, which simplifies the subsequent sterilization and anti-virus process and reduces the food safety risk and production cost caused by the sterilization risk.
  • the blank when used to produce a bottle-shaped packaging container, it is produced relative to the entire roll of packaging material, which can effectively lower the footprint and space of the filling machine.
  • Embodiment 1-1 is a schematic structural diagram of Embodiment 1-1 of the present invention.
  • Figure 1-2 is an enlarged view of A in Figure 1-1;
  • Embodiment 1-2 of the present invention are schematic structural diagrams of Embodiment 1-2 of the present invention.
  • Figure 1-4 is an enlarged view of B in Figures 1-3;
  • FIGS. 1-5 are schematic structural diagrams of Embodiment 1-3 of the present invention.
  • Figure 1-6 is a detailed enlarged view of the portion C in Figure 1-5;
  • Figure 1-7 is a schematic view of a portion of the structure of Figures 1-6;
  • Figure 2-1 is a schematic structural view of a packaging container in the prior art
  • FIG. 2-2 is a schematic structural view of a blank for manufacturing the packaging container of the present invention.
  • Embodiment 2-3 is a schematic structural view of Embodiment 2-1 of the packaging container of the present invention.
  • Figure 2-4 is a schematic cross-sectional view showing the neck of the packaging container of Embodiment 2-1;
  • FIG. 2-5 is a schematic cross-sectional structural view of a neck of Embodiment 2-2 of the packaging container of the present invention
  • FIGS. 2-6 are schematic structural views of a blank for manufacturing a packaging container according to Embodiment 2-3 of the present invention.
  • Embodiment 2-3 of the packaging container of the present invention is a schematic structural view of Embodiment 2-3 of the packaging container of the present invention.
  • 3-1 is a schematic diagram showing the external structure of a packaging container according to Embodiments 3-1, 3-2, and 3-3 of the present invention
  • Figure 3-2 is a schematic structural view of a transverse section of the bottle body in Example 3-1 (the relevant section line has been omitted);
  • Figure 3-3 is a schematic view showing the unfolding of the blank in the embodiment 3-1;
  • Figure 3-4 is a schematic structural view of a transverse section of the bottle body in Embodiment 3-2 (the relevant section line has been omitted);
  • Figure 3-5 is a partial exploded view of the blank of Example 3-2;
  • 3-6 is a schematic structural view of a transverse section of the bottle body in Embodiment 3-3 (the relevant section line has been omitted);
  • FIG. 3-7 are schematic diagrams showing the external structure of the packaging container provided in Embodiment 3-4;
  • Figure 3-8 is a schematic structural view of a transverse section of the bottle body in Embodiment 3-4 (the relevant section line has been omitted);
  • 3-9 are schematic diagrams showing the external structure of the packaging container provided in Embodiment 3-5;
  • Figure 3-10 is a partial structural schematic view of a longitudinal section of the bottle body in Embodiment 3-5 (the relevant section line has been omitted);
  • 3-11 are exploded views of the blank forming the body portion of the embodiment 3-5;
  • 3-12 are schematic diagrams showing the external structure of the packaging container provided in Examples 3-6;
  • Figure 3-13 is a partial structural schematic view of a longitudinal section of the bottle body in Embodiment 3-6 (the relevant section line has been omitted);
  • FIGS. 3-14 are schematic diagrams showing the external structure of the packaging container provided in Embodiments 3-7;
  • FIG. 3-15 are schematic structural views of the packaging container provided in Examples 3-8;
  • FIGS. 3-16 are schematic structural views of the packaging container provided in Embodiments 3-9;
  • FIG. 3-17 are schematic structural views of the packaging container provided in Embodiments 3-10;
  • FIGS. 3-18 are schematic structural views of the packaging container provided in Embodiments 3-11;
  • Figure 3-19 is a partial structural schematic view of a longitudinal section of the bottle body in Embodiment 3-11 (the relevant section line has been omitted);
  • FIGS 3-20 are schematic structural views of the packaging container provided in Embodiments 3-12;
  • Figure 3-21 is a schematic structural view of the packaging container provided in Embodiments 3-13;
  • Figure 4-1 is a schematic view showing the external structure of a packaging container according to Embodiments 4-1, 4-2 and 4-3 of the present invention
  • Figure 4-2 is a schematic structural view of a transverse section of the bottle body in Example 4-1 (the relevant section line has been omitted);
  • Figure 4-3 is a schematic view showing the unfolding of the blank in the embodiment 4-1;
  • Figure 4-4 is a schematic structural view of a transverse section of the bottle body in Example 4-2 (the relevant section line has been omitted);
  • Figure 4-5 is a partial exploded view of the blank of Example 4-2;
  • 4-6 is a schematic structural view of a transverse section of the bottle body in Embodiment 4-3 (the relevant section line has been omitted);
  • 4-7 is a schematic view showing the external structure of the packaging container provided in Embodiment 4-4;
  • FIG. 4-8 is a schematic structural view of a transverse section of the bottle body in Embodiment 4-4 (the relevant section line has been omitted);
  • FIGS. 4-9 are schematic diagrams showing the external structure of the packaging container provided in Embodiment 4-5;
  • FIG. 4-10 is a partial structural schematic view of a longitudinal section of the bottle body in Embodiment 4-5 (the relevant section line has been omitted);
  • 4-11 are exploded views of the blank forming the body portion of the embodiment 4-5;
  • 4-12 are schematic diagrams showing the external structure of the packaging container provided in Examples 4-6;
  • Figure 4-13 is a partial structural schematic view of a longitudinal section of the body of the embodiment 4-6 (the relevant section line has been omitted);
  • FIGS. 4-14 are schematic diagrams showing the external structure of the packaging container provided in Examples 4-7;
  • FIGS. 4-15 are schematic structural views of the packaging container provided in Examples 4-8;
  • FIGS. 4-16 are schematic structural views of the packaging container provided in Examples 4-9;
  • FIGS. 4-17 are schematic structural views of the packaging container provided in Examples 4-10;
  • FIGS. 4-18 are schematic structural views of the packaging container provided in Examples 4-11;
  • Figure 4-19 is a partial structural schematic view of a longitudinal section of the bottle body in Embodiments 4-11 (the relevant section line has been omitted);
  • FIGS 4-20 are schematic structural views of the packaging container provided in Examples 4-12;
  • Figure 4-21 is a schematic structural view of the packaging container provided in Embodiments 4-13;
  • Embodiment 5-1 is a schematic structural diagram of Embodiment 5-1 of the present invention.
  • 6-1 is a schematic structural view of a packaging container having an observation hole according to an embodiment of the present invention.
  • 6-2 is a schematic structural view of a packaging container having four viewing holes arranged along a straight line according to an embodiment of the present invention
  • FIG. 7-1 is a structure of an observation hole provided on a blank according to an embodiment of the present invention.
  • 7-2 is a schematic structural view of a blank having four viewing holes arranged along a straight line according to an embodiment of the present invention.
  • 5100 teeth
  • 5110, 5120 teethed edge
  • 5210, 5220 indentation line
  • 5300 rectangular
  • 5400 border line
  • 6001, 6003, 7001, 7004 observation holes
  • 6002, 6004, 7002, 7003 transparent sheets
  • the packaging container 1001 having a bottle structure is mainly formed of a laminated composite material, wherein the packaging material 1100 forms a bottle portion, and the packaging material 1200 forms a bottle bottom. In part, the bottle body and the bottom of the bottle are sealed by the mutual mixing and superposition of the packaging materials.
  • the bottom of the packaging material 1100 forms an inwardly upward folded edge 1110, and the packaging material 1200 forms a The downward flange 1210, the flange 1210 is inserted into the gap between the flange 1110 and the body of the packaging material 1100, and a circular stack is formed on the bottom of the packaging container of the bottle structure by sealing pressing.
  • the sealing portion wherein the flange 1110 at the lower portion of the bottom of the bottle actually forms a skirt, the upper end 1111 of which abuts against the bottom surface of the packaging material 1200, if the exposed end 1111 is not treated, due to the formation of the package
  • the laminate of each layer of the material 1100 has a paper base layer, and in the case of moisture or the like, corrosion and mildew may occur from the end 1111.
  • an annular strip 1300 is wrapped at the location of the gap between the tip 1111 and the bottom of the wrapper 1200 to accommodate the structure of the bottle itself.
  • one side of the strip 1300 is attached to the surface of the folded edge 1110, and the other side is attached to the bottom surface of the packaging material 1200 forming the bottom portion of the bottle, and the treatment is carried out even if the packaging container is placed.
  • the bottom structure of the packaging container 1001 is no longer damaged, thereby facilitating the performance improvement of the entire packaging container, which is advantageous for extending the utilization.
  • the strip 1300 must have a waterproof and moisture-proof function in material properties, and may be a strip formed of a single material such as PE, or a composite laminate.
  • the packaging container 1002 having a pillow-pack structure is formed of a laminate material, wherein the upper and lower ends of the packaging materials 1410 and 1420 are respectively sealed at the sealing position.
  • the ends 411 and 1421 of the packaging materials 1410 and 1420 are exposed to the outside, and defects such as damage of the package body caused by damage of the paper base portion in the packaging materials 1410 and 1420 caused by moisture or the like are respectively applied to the upper and lower edges of the package body. That is, the waterproof strip 1500 is covered at the end portion to cover the cross sections of the ends 1411 and 1421, thereby improving the adaptability of the entire packaging container to the environment and improving the shelf life of the contents.
  • the packaging container structure shown in FIGS. 1-5 to 1-7 is similar to the embodiment 1-1, and the bottle body of the packaging container 1003 having a bottle-like structure is formed of a packaging material 1600, and the bottom of the bottle is formed of a packaging material 1700. Where the bottle body and the bottom of the bottle are combined, the joint seal is achieved by means of a stacked seal of the flaps 1710 and 1610.
  • the end 1640 has a slanted cross-sectional configuration at the end 1640 of the hem 1610 by beveling, i.e., the alpha angle (cut and folded)
  • the angle between the perpendicular lines H of the side surfaces is an acute angle.
  • the acute angle is 30 to 60°, preferably 45°.
  • the packaging material 1600 is formed by composite lamination of material layers 1631, 1632 and 1633, and the intermediate material layer 1632 is a paper substrate. After the ends of the hem 1610 are beveled, the cross section 1620 of the end forms a chamfered surface. The sections 1621, 1622, and 1623 of one of the material layers 1631, 1632, and 1633 are chamfered surfaces, and after the section 1620 is bonded to the bottom surface 1720 of the package 1700 of the bottom of the bottle, the package material of the folded portion 1610 of the packaging material 1600 is formed.
  • the outermost material layer 1633 is generally water-repellent, so that the cross-section 1623 bonded to the bottom surface 1720 naturally prevents contact of the material layer 1632 of the paper substrate with the external environment in the case of a chamfered section, thereby actually improving The environmental requirements of the bottle enhance the performance of the packaging container.
  • the protection of the paper base portion in the packaging material which may be exposed to the external environment is realized by different forms, and the paper may be affected by the environment as early as possible due to the characteristics of the paper body, resulting in defects in the quality of the package body and food. Pollution.
  • the end of the packaging material in the embodiment 1-2 may also adopt the combination of the chamfered surfaces in the embodiments 1-3, so that the chamfered surfaces on both sides are resealed and bonded, thereby Discard the extra-coated waterproof strip.
  • the bare part it is also possible to focus on the portion of the bottom of the container that is more reactive to the environment, for example, in the similar storage container of the embodiment 1-1, a package is formed between the bottom of the bottle and the bottom of the bottle.
  • This part will face more pressure due to the air circulation than the exposed part of the side of the bottle body.
  • the container is first mildewed or damaged, and the lower part of the packaging container is relatively The pressure on other parts is heavier.
  • a rectangular blank 2500 as shown in Fig. 2-2 finally forms a packaging container (as shown in Fig. 2-3).
  • the blank portion 2500 is divided into upper and lower portions (two rectangles) by folds 2400, and the entire blank is formed into a cylindrical structure by stacking the edges 2510 and 2520 on both sides, wherein the boundary line 2400 (There may also be in the form of a crease)
  • the lower portion ultimately forms the body portion of the packaging container, and the portion above the dividing line 2400 ultimately forms the neck portion of the packaging container, the neck portion being frusto-conical, since before folding,
  • the raw material (blank) of the bottle neck portion is rectangular, so that the indentations 2320, 2330, 2340, 2350 which are pressed in advance in the blank of Fig. 2-2 are folded and bonded to form a truncated cone structure having an gradually smaller opening.
  • a plurality of sets of indentation lines are arranged on the raw material of the rectangular bottle neck portion, and each set of indentation lines is folded along the folds 2320, 2330, 2340 and 2350 to form a crease 2310, each set of creasing lines
  • the lower ends of the creases 2320, 2330, 2340, and 2350 converge to one point, and the upper ends are spread apart; wherein, along the same position in the lateral direction of FIG. 2-2, the area enclosed between the creases 2320 and 2330 is creased 2350 and creases.
  • the enclosed area between 2340 is symmetrically arranged, and the two areas are spliced together to be equal in size to the area between the folds 2330 and 2350.
  • the wrinkles of the packaging container are oriented toward the inner side of the bottle body, and since the wrinkles are symmetrically arranged at both ends of the crease 2310, the heights of the wrapping materials on both sides of the seam can be kept consistent, thereby facilitating the surface of the wrapping material.
  • the expression of the printed graphic content is printed in advance.
  • an ⁇ -shaped intermediate state may be formed at the folding portion according to the process characteristics, and the crease 2320 is folded when the packaging material of the entire folding position is folded and flattened (including the process of bonding and sealing).
  • the two lines formed by the 2350 are overlapped and form a so-called crease 2310, and the creases 2330 and 2340 are arranged symmetrically on both sides of the crease 2310, and a plurality of stacked packaging materials are protruded from the inside of the bottle body.
  • the package material in which the bottle neck portion is stacked is on the side of the reverse crease 12, so that when the bottle cap is twisted during the opening process, The portion of the joint that is relatively flat and the portion that is specifically folded (the position indicated by reference numeral 11 in the figure) will be the first to be stressed, and only when the portion where the portion is adhered to the numeral 9 in Figure 2-1 is broken, the other The overlapping part will be stressed, so the part will face a large stress, and it is easy to break the adhesion when the cap is twisted during the opening process, thereby damaging the surface structure of the bottle.
  • the overlapping region of the force subjected to the torsional stress has become a line surface with respect to the dotted line of the reference document (the whole is regarded as a line, and the section is a point) (the whole is a face and the section is a line). ), and then more secure.
  • the blank 2500 can be separated by a roll of laminate which can be a laminate comprising at least one paper base, a layer of aluminum foil, and a layer of PE or OPP formed inner film. Its performance should facilitate the storage of liquid foods or beverages contained within the packaging container.
  • the neck pleats are located on the outer side of the bottle body, and the crease 2310 is formed on the inner surface of the bottle body.
  • the folding and subsequent processing steps of the pleats become easier and easier to control with respect to Example 2-1.
  • the three-dimensional structure is also novel and unique, and the three-dimensional structure and the surface pattern of the packaging material can be combined to have a better effect.
  • the neck structure of the packaging container shown in Figures 2-6 and 2-7 is shown (for ease of expression, the relevant section lines are omitted) and the blanks produced thereof, compared with the embodiment 2-1, the indentation here. 2331, 2341 and the corresponding indentations 2330, 2340 in the embodiment 2-1 are different in position, and the package material is superposed on both ends of the final crease 2310, and the embodiment 2-1 is symmetrical along the crease 2310.
  • the width of the wrapping material stacked near one end of the indentation 2341 is greater than the width of the wrapping material placed near the end of the indentation 2331.
  • Figure 2-7 shows the orientation of the bottle from top to bottom, so that when the screw cap is screwed, when the cap is turned counterclockwise, the bottle as the packaging container receives a clockwise twisting force.
  • the wrapping material stacked on the side close to the indentation 2341 is slightly more torsion than the one adjacent to the side of the indentation 2331.
  • the torsion force of the packaging material, and thus the length of the two sides will partially offset the damage caused by the deficiency to the bonding of the packaging container, and maximize the shape of the packaging container.
  • the specific width ratio relationship on both sides can also flexibly consider the specific damage of the joint at the overlapping position during the screwing process, and it is more advantageous to determine which side of the crease offset.
  • the distance between the distance between the folds 32 and 2331 and the distance between the folds 2341 and 2350 is equal to the distance between the folds 2331 and 2341 with respect to each horizontal plane, so that the stacked packages are relatively flat. No bad bumps and wrinkles.
  • the packaging container structure shown in FIG. 3-1 to FIG. 3-3 has a bottle shape, and the main body is formed by a process of crimping, folding and sealing the rectangular blank 3100.
  • the blank 3100 includes an upper sheet-like packaging material 3101 and The lower sheet material 3102, the upper packaging material 3102 forms the neck portion 3012 of the packaging container, the lower packaging material 3101 forms the portion of the bottle body 3011, and the boundary line 3103 is the boundary between the two.
  • a plurality of sets of crease lines 3120, 3132, 3121 and 3134 are pressed in advance on the blank 3100, wherein the crease lines 3120 and 3132 are located in the bottle body 3011, and the two lines of each group are parallel; the crease line 3121 and 3122 are located in the bottle neck 3012, the lower ends of the two lines of each group are narrow, the upper end is gradually opened, wherein the crease lines 3121 are connected to 3120, the crease lines 3132 are connected to 3134, and the connection point is on the boundary line 3103.
  • a strip 3110 and 3111 (connected to each other) as shown in FIG. 3-1 are formed on the outer surface of the packaging container 3001, as shown in FIG. 3-2.
  • the folded portion is stacked on one side of the inner surface of the bottle body, and the ribs 3010 are formed to be stacked; a group of ribs 3010 arranged vertically along the inner surface of the bottle body are finally formed together.
  • the shape of the packaging container is more easily maintained, and the performance is improved. A stronger sturdy protective strip.
  • the blank 3100 is a laminate and may comprise at least one layer of paper and one layer of aluminum foil and a layer of plastic material. A printed layer may be provided on the surface thereof.
  • the structure of the packaging container shown in FIG. 3-1, FIG. 3-4 and FIG. 3-5 is different from that of Embodiment 3-1, and the folding manner of the reinforcing rib 3014 which is superposed on the inner surface of the bottle after folding is folded.
  • the specific difference is that the reinforcing rib 3010 is superposed on the super side of the crease 3110 in the embodiment 3-1, and the rib 3013 is superposed on the two sides along the crease 3110 in this embodiment.
  • the advantage of the folding method is that the surface of the packaging material (ie, the surface of the container) can be kept as flat as possible, which is favorable for the expression of the surface pattern of the packaging material. In order to achieve the effect of the superposition method, as shown in Fig.
  • the crease line provided on the blank 3100 (the same reference numeral as in the embodiment 3-1 is used for convenience of correspondence) is adjusted, that is, in the bottle.
  • Each of the folding positions of the body and the bottle neck portion is provided with four crease lines, which are crease lines 3120, 3130, 3140 and 3150 which are parallel to the bottle body, and are connected with the above four crease lines and are arranged at the bottle neck position.
  • Crease lines 3123, 3133, 3143, and 3153 wherein, after folding, the crease lines 3120 and 3150 are fitted, and the crease lines 3123 and 3153 are also fitted, and the distance of the crease lines 3130 to 3140 is equal to the crease lines 3120 to 3130.
  • the distance of the crease lines 3140 to 3150 is equal to the distance of the crease lines 3120 to 3130, and similarly, the distance relationship between the crease lines 3123, 3133, 3143, and 3153 is similar. This relationship can be satisfied that the raised ribs 3014 are flat after folding.
  • the structure of the packaging container shown in FIG. 3-1 and FIG. 3-6 is different from that of the embodiment 3-2, and the relationship between the reinforcing rib 3013 and the crease 3110 which are stacked on the inner surface of the bottle after folding is specific. It is shown that the crease 3110 in the embodiment 3-2 is in the rib In the middle position of 3014, in the embodiment 3-3, the crease 3110 is biased toward the side of the crease 3131; the change can satisfy the force of the torsion force of the bottle body when the screw opening of the upper part of the bottle body is unscrewed It is decomposed to the position where it overlaps, and thus the position of the rib 3013 with respect to the crease 3110 is appropriately adjusted according to the force applied to both sides of the crease 3110. Specifically, it can be realized by adjusting the distance relationship between each of the pre-pressed crease lines in the blank, which will not be described in more detail here.
  • the structure of the packaging container shown in Figs. 3-7 and 3-8 is different from that of the embodiment 3-2 in that the rib 3020 which is folded and formed on the surface of the bottle body is located on the outer surface of the packaging container.
  • the bottle body 3002 is divided into an upper bottle neck 3022 and a lower bottle body 3021, which are separated by a dividing line 3203.
  • the folded bag material forms a reinforcing rib 3023 at the bottle neck position, and a reinforcing rib is formed at the bottle body position.
  • 3020 respectively, forming two groups arranged in a vertical direction around the surface of the bottle body. As shown in Fig.
  • the rib 3020 is convexly disposed on the outer surface of the bottle body.
  • the ribs 3020 and 3023 on the outside of the bottle body in this embodiment can serve not only as reinforcing ribs for maintaining the performance of the packaging container, but also as a surface anti-slip rib.
  • the main body portion of the bottle-shaped packaging container 3003 is formed of a sheet-like packaging material, which includes an upper bottle neck 3032 and a lower bottle body 3031.
  • the bottle body 3031 is circumferentially spaced apart from a plurality of lateral reinforcing ribs 3033 formed by the folded wrapping material itself.
  • the reinforcing ribs 3033 on the surface of the protruding blank 3300 are located on the inner side of the bottle body, and a set is formed on the outer surface of the bottle body. Crease 3310. As shown in FIG. 3-10 and FIG.
  • a plurality of sets of spaced apart, evenly arranged crease lines 3320 and 3330 are disposed on the blank 3300, and are folded to form the rib 3033 structure shown in FIG. 3-10. It plays a role in protecting the bottle and reducing bottle damage.
  • the body portion of the bottle-shaped packaging container 3004 is formed of a sheet-like packaging material, including an upper bottle neck 3042 and a lower bottle body 3041, which are circumferentially in the bottle body 3041.
  • a plurality of protruding reinforcing ribs 3040 are disposed along the surface of the surface, and the reinforcing ribs 3040 are attached to the packaging material 3400 forming the bottle body 3041 in a strip shape, and are evenly arranged on the surface thereof by adhesion.
  • the material may be similar to or the same as the material of the packaging material 3400 forming the packaging container itself, or may be a plastic material such as PE.
  • the bottle neck 3052 of the packaging container 3005 in the shape of a bottle and the bottle body 3051 are separated by a dividing line 3503, and a plurality of lateral edges are provided on the surface of the packaging material 3500 forming the bottle body 3051.
  • a strip-shaped reinforcing rib 3050 is arranged on the outer edge of the bottle body, wherein the density of the reinforcing rib 3050 is gradually decreased along the lower part to the upper part of the bottle body 3051, and the beneficial effect of the setting is that the bottle body filled with the liquid food is satisfied. The difference in the force of the part (the lower part is larger and the upper part is smaller), and the material is also saved.
  • the strip ribs 3050 additionally attached thereto can also be realized by the folding and stacking of the packaging materials 3500 in the embodiment 3-5, except that the ribs after the stacking are also set to the upper part and the upper part. Less pattern.
  • a set of bottles attached to the bottle body is provided in the lower part of the bottle body 3061 of the bottle package 3006 (from the lower third to the 1/2 of the bottle body to the bottom of the bottle).
  • the outer strips are brought as reinforcing ribs 3060, and the arrangement of the strips of strips also follows the principle that the lower portions are less.
  • the packaging container is disposed under the condition that the lower end of the container is damaged compared with the upper part of the container under the condition of the same packaging material, which not only serves to reinforce the packaging container, but also reduces the probability of occurrence of breakage. At the same time, the material loss of the add-on is also reduced, and the cost is reduced.
  • the strip-shaped reinforcing ribs 3070 disposed at the lower portion of the bottle body 3071 of the packaging container 3007 are vertically arranged and spaced apart from each other as compared with the embodiment 3-8. It is evenly arranged. Its starting position is located at 1/3 to 1/2 of the lower portion of the bottle body 3071, ending at the bottom portion of the bottle.
  • the main body of the bottle-shaped packaging container 3008 is composed of an upper bottle neck 3082 and a lower bottle body 3081, which are divided by a dividing line 3803, and the bottle neck 3082 and the bottle body 3081.
  • the crease 3810 formed by folding the package material forming the bottle body on the surface of the bottle body 3081 is oblique, and the vertical crease in the embodiment 3-5 There is a difference.
  • the rib formed on the other side of the crease 3810 by the folding of the wrapping material is on the inner side surface of the bottle body 3081.
  • the ribs are also arranged obliquely, the seams of the vertical material of the bottle body (the seam here refers to the joint of the blank material forming the cylindrical structure of the bottle body, not the crease 3810) It can be reasonably avoided that the two ribs need to be stacked to increase the difficulty of sealing. Similarly, the inclined direction and angle of the crease 3810 and the corresponding reinforcing rib can be flexibly set after considering the direction and size of the rotation force of the bottle when the cap is opened.
  • a form in which reinforcing ribs are formed in a form similar to that of the surface of the packaging material in the embodiment 3-9 can be provided along the position where the seam 3810 is located.
  • the body of the bottle-shaped packaging container 3009 is composed of an upper bottleneck 92 and a lower bottle body 91, and a boundary line 3903 serves as a boundary between the two.
  • a set of strip-type reinforcing ribs 3090 arranged in parallel is embedded in the inside of the packaging material 3900 forming the bottle body portion.
  • the laminates 3901 and 3902 laminate the strip-type ribs 3090 in the interior of the packaging material 3900, so that the finally formed packaging material 3900 is not only relatively smooth, but also has strength and toughness.
  • the physical improvement is obvious, which is conducive to the quality improvement of the final molded packaging container.
  • a mesh-like reinforcing structure may be embedded in advance between the respective laminates forming the packaging material in place of the strip-type reinforcing ribs, for example, a mesh-shaped wire.
  • the packaging container 3910 having a hexagonal prism has six facets (i.e., the outer face 3911 in the drawing), and the bag body composed of the outer face 3911.
  • the side wall has a set of parallel creases 3912 formed by folding the wrapping materials constituting the side walls, and the overlapping portions are located at one end of the inner side of the package body.
  • the disposed portion forms a lateral rib structure, which is advantageous for improving the performance of the side wall of the package when the container is filled with liquid food.
  • the shape of the packaging container 3920 is square (i.e., the brick structure in the usual sense), and a plurality of sets of laterally evenly arranged are also arranged on the outer surfaces 3921 and 3922 of the surrounding sides.
  • the above-mentioned packaging container structure provided by the invention has a rib structure formed on the bottle body in various ways, and the packaging container formed by using a laminate material such as a paper substrate as a raw material is strongly added, and the package body is filled with liquid food.
  • the inclusion body is easily deformed or even damaged.
  • the strength of the whole body of the package and the toughness of the package material are obviously improved under the condition of limited cost increase, especially for the larger surface of the package body. The performance improvement is obvious.
  • the packaging container structure shown in FIG. 4-1 to FIG. 4-3 has a bottle shape, and the main body is formed by a process of crimping, folding and sealing the rectangular blank 4100.
  • the blank 4100 includes an upper sheet-shaped packaging material 4101 and The lower sheet material 4102, the upper packaging material 4102 forms the neck portion 4012 of the packaging container, the lower packaging material 4101 forms the portion of the bottle body 4011, and the boundary line 4103 is the boundary between the two.
  • a plurality of sets of crease lines 4120, 4132, 4121 and 4134 are pressed in advance on the blank 4100, wherein the crease lines 4120 and 4132 are located in the bottle body 4011, and the two lines of each group are parallel; the crease line 4121 and 4122 are located in the bottle neck 4012, the lower ends of the two lines of each group are narrow, the upper end is gradually opened, wherein the crease lines 4121 and 4120 are connected, the crease lines 4132 are connected to 4134, and the connection point is on the boundary line 4103, along the above After the crease line is folded, a sipe 4110 and 4111 (connected to each other) as shown in FIG.
  • FIG. 4-1 are formed on the outer surface of the packaging container 4001, as shown in FIG. 4-2. Stacked on one side of the inner surface of the bottle body, stacked to form reinforcing ribs 4010; a group of group of reinforcing ribs 4010 arranged vertically along the inner surface of the bottle body finally form a shape, the shape of the packaging container is easier to maintain, and the performance is more A strong protective strip.
  • the blank 4100 is a laminate and may comprise at least one layer of paper and a layer of aluminum foil and a layer of plastic material. A printed layer may be provided on the surface thereof.
  • the structure of the packaging container shown in FIG. 4-1, FIG. 4-4 and FIG. 4-5 is different from that of the embodiment 4-1, and the folding manner of the reinforcing ribs 4014 stacked on the inner surface of the bottle body after folding is folded.
  • the specific difference is that the reinforcing rib 4010 in the embodiment 4-1 is superposed on the super side of the crease 4110, and in this embodiment, the reinforcing rib 4013 is superposed on both sides along the crease 4110.
  • the advantage of the folding method is that the surface of the packaging material (ie, the surface of the container) can be kept as flat as possible, which is favorable for the expression of the surface pattern of the packaging material. In order to achieve the effect of the superposition method, as shown in FIG.
  • the crease line set on the blank 4100 (the same reference numeral as in the embodiment 4-1 is used for convenience of correspondence) is adjusted. That is, four crease lines are arranged in each of the folding positions of the bottle body and the bottle neck portion, which are crease lines 4120, 4130, 4140 and 4150 which are parallel to the bottle body, and are connected with the above four crease lines and are arranged at The crease lines 4123, 4133, 4143, and 4153 of the bottleneck position, wherein, after folding, the crease lines 4120 and 4150 are fitted, the crease lines 4123 and 4153 are also fitted, and the distance of the crease lines 4130 to 4140 is equal to the crease line.
  • the distance of 4120 to 4130 is twice, and the distance of the crease lines 4140 to 4150 is equal to the distance of the crease lines 4120 to 4130, and similarly, the distance relationship between the crease lines 4123, 4133, 4143, and 4153 is similar. This relationship can be satisfied that the raised ribs 4014 are flat after folding.
  • the structure of the packaging container shown in FIG. 4-1 and FIG. 4-6 is different from that of the embodiment 4-2, and the relationship between the reinforcing rib 4013 and the crease 4110 which are superposed on the inner surface of the bottle after folding is specific. It is shown that in the embodiment 4-2, the crease 4110 is in the middle position of the rib 4014, and in the embodiment 4-3, the crease 4110 is biased toward the crease 4131 side; the change can be satisfied in unscrewing the upper part of the bottle body.
  • the thread is opened, since the torsional force received by the bottle body may decompose the force to the overlapping position, the position of the reinforcing rib 4013 relative to the crease 4110 is appropriately adjusted according to the force applied to both sides of the crease 4110. Specifically, it can be realized by adjusting the distance relationship between each of the pre-pressed crease lines in the blank, which will not be described in more detail here.
  • the structure of the packaging container shown in Figs. 4-7 and 4-8 is different from that of the embodiment 4-2 in that the rib 4020 which is folded and formed on the surface of the bottle body is located on the outer surface of the packaging container.
  • the bottle body 4002 is divided into an upper bottle neck 4022 and a lower bottle body 4021, which are separated by a dividing line 4203.
  • the folded bag material forms a reinforcing rib 4023 at the bottle neck position, and a reinforcing rib is formed at the bottle body position.
  • 4020 respectively, forming two groups arranged in a vertical direction around the surface of the bottle body. As shown in FIG.
  • the rib 20 is convexly disposed on the outer surface of the bottle body.
  • the ribs 20 and 23 which are outside the bottle body in this embodiment can be used not only as a reinforcing rib for maintaining the performance of the packaging container, but also as a surface anti-slip rib.
  • the main body portion of the bottle-shaped packaging container 4003 is formed of a sheet-like packaging material, which includes an upper bottle neck 4032 and a lower bottle body 4031.
  • the bottle body 4031 is circumferentially spaced apart from a plurality of lateral reinforcing ribs 4033 formed by the folded wrapping material itself, and the surface of the blank 4300 is protruded.
  • the rib 4033 is located on the inner side of the bottle body, and a set of creases 4310 is formed on the outer surface of the bottle body.
  • a plurality of sets of spaced apart, evenly parallel crease lines 4320 and 4330 are provided on the blank 4300 to form a rib 4033 structure as shown in FIGS. 4-10. It plays a role in protecting the bottle and reducing bottle damage.
  • the structure of the packaging container shown in FIG. 4-12 is a bottle-shaped packaging container 4004.
  • the main body portion is formed by a sheet-shaped packaging material, and includes an upper bottle neck portion 4042 and a lower bottle body 4041 in the bottle body 4041.
  • a plurality of protruding reinforcing ribs 4040 are disposed along the surface interval, and the reinforcing ribs 4040 are attached to the packaging material 4400 forming the bottle body 4041 in a strip shape, and are uniformly arranged in an adhesive manner.
  • the surface may be made of a material similar or identical to the material of the packaging material 4400 forming the packaging container itself, or may be a plastic material such as PE.
  • the bottle neck 4052 of the packaging container 4005 in the shape of a bottle and the bottle body 4051 are separated by a dividing line 4503, and a plurality of lateral edges are provided on the surface of the packaging material 4500 forming the bottle body 4051.
  • a strip-shaped reinforcing rib 4050 is arranged on the outer edge of the bottle body, wherein the density of the reinforcing rib 4050 is gradually decreased along the lower part to the upper part of the bottle body 4051, and the beneficial effect of the setting is that the bottle body filled with the liquid food is satisfied. The difference in the force of the part (the lower part is larger and the upper part is smaller), and the material is also saved.
  • the strip ribs 4050 additionally attached thereto can also be realized by the folding and stacking of the wrapping materials 4500 in the embodiment 4-5, except that the ribs after the stacking are also set to the upper part and the upper part. Less pattern.
  • a set of bottles attached to the bottle body is provided in the lower part of the bottle body 4061 of the bottle package 4006 (from the lower third to the 1/2 of the bottle body to the bottom of the bottle).
  • the outer strip is brought as a rib 4060, the strip of strips.
  • the packaging container is disposed under the condition that the lower end of the container is damaged compared with the upper part of the container under the condition of the same packaging material, which not only serves to reinforce the packaging container, but also reduces the probability of occurrence of breakage. At the same time, the material loss of the add-on is also reduced, and the cost is reduced.
  • the strip-shaped reinforcing ribs 4070 provided at the lower portion of the bottle body 4071 of the packaging container 4007 are vertically arranged and spaced apart from each other as compared with the embodiment 4-8. It is evenly arranged. Its starting position is located at 1/3 to 1/2 of the lower portion of the bottle body 4071, ending at the bottom portion of the bottle.
  • the main body of the bottle-shaped packaging container 4008 is composed of an upper bottle neck 4082 and a lower bottle body 4081, which are divided by a dividing line 4803, and a bottle neck 4082 and a bottle body 4081.
  • the crease 4810 formed by folding the package material forming the bottle body on the surface of the bottle body 4081 is oblique, and the vertical crease in the embodiment 4-5 There is a difference.
  • the reinforcing rib formed by folding the wrapping material on the other side of the crease 4810 is on the inner side surface of the bottle body 4081.
  • the reinforcing ribs are also arranged obliquely, the joints of the vertical material of the bottle body (the seam here refers to the joint of the blank material forming the cylindrical structure of the bottle body, not the crease 4810) It can be reasonably avoided that the two ribs need to be stacked to increase the difficulty of sealing. Similarly, the slanting direction and angle of the crease 4810 and the corresponding rib can also be flexibly set after considering the direction and size of the bottle body when the bottle cap is opened.
  • a form in which reinforcing ribs are formed in a form similar to that of the surface of the packaging material in the embodiment 4-9 can be provided along the position where the seam 4810 is located.
  • the packaging container structure is illustrated.
  • the main body of the bottle-shaped packaging container 4009 is composed of an upper bottle neck 4092 and a lower bottle body 4091.
  • the boundary 4903 serves as the boundary between the two.
  • a set of strip-type reinforcing ribs 4090 arranged in parallel is embedded in the inside of the packaging material 4900 forming the bottle portion.
  • the laminates 4901 and 4902 are composited with the strip-type reinforcing ribs 90 in the interior of the packaging material 4900, so that the finally formed packaging material 4900 is not only relatively smooth, but also has strength and toughness.
  • the physical improvement is obvious, which is conducive to the quality improvement of the final molded packaging container.
  • a mesh-like reinforcing structure may be embedded in advance between the respective laminates forming the packaging material in place of the strip-type reinforcing ribs, for example, a mesh-shaped wire.
  • the packaging container 4910 having a hexagonal prism has six facets (i.e., the façade 4911 in the figure), and the body is formed by the façade 4911.
  • the side wall has a set of parallel creases 4912 formed by folding the wrapping materials constituting the side walls, and the overlapping portions are located at one end of the inner side of the package body.
  • the disposed portion forms a lateral rib structure, which is advantageous for improving the performance of the side wall of the package when the container is filled with liquid food.
  • the shape of the packaging container 4920 is square (i.e., the brick structure in the usual sense), and a plurality of sets of laterally evenly arranged are also arranged on the outer surfaces 4921 and 4922 of the surrounding sides.
  • the above-mentioned packaging container structure provided by the invention has a rib structure formed on the bottle body in various ways, and the packaging container formed by using a laminate material such as a paper substrate as a raw material is strongly added, and the package body is filled with liquid food.
  • the inclusion body is easily deformed or even damaged.
  • the strength of the whole body of the package and the toughness of the package material are obviously improved under the condition of limited cost increase, especially for the larger surface of the package body. The performance improvement is obvious.
  • the forming material of the packaging container shown in Figure 5-1 is a piece of laminated material, which is divided into upper and lower parts, the upper part is a row of teeth, and the lower part is a rectangular piece of material, and the two are separated by a line 5400. Separating (connecting), wherein the upper portion finally forms a frustum-shaped bottle neck portion of the bottle-shaped packaging container, and the lower portion finally forms a cylindrical bottle portion of the bottle-shaped packaging container.
  • each tooth 5100 includes two tooth edges 5110 and 5120 forming a contour thereof, and the shapes of the tooth edges 5110 and 5120 are die-cut in advance, and correspondingly, the surface of the blank in the inner side of the tooth edges 5110 and 5120 is set in advance.
  • the score lines 5210 and 5220 folded along the indentation lines 5210 and 5220, form a "bleed" of a certain width at the tooth edges 5110 and 5120 of each tooth 5100 (consistent with the bleeding concept in the printing field) to facilitate adjacent
  • the adhesive edges of the teeth are sealed to form a frustum-shaped bottleneck structure.
  • the indentation line 5220 of the tooth 5100 is adhered to the indentation line 5210 of the adjacent tooth to ensure that the corresponding tooth edge 5120 of the indentation line 5220 and the indentation line 5210 correspond to the tooth edge. 5110 fit.
  • the indentation line 5210 of the leftmost tooth in the figure is finally attached to the indentation line 5220 of the rightmost tooth, thereby achieving the circumferential connection of the frustum.
  • the sheet corresponding to the rectangle 5300 has the leftmost edge and the rightmost edge also overlapped and sealed to ensure the circumferential sealing and engagement of the finally formed cylindrical bottle body.
  • the tooth 5100 is generally an isosceles trapezoidal structure which is generally elongated in shape so as to minimize the diameter of the frustum-shaped bottleneck along a relatively soothing rhythm.
  • the number of teeth is preferably 6 to 8, preferably 8.
  • the height of the teeth 5100 i.e., the distance between the upper and lower sides of the isosceles trapezoid is approximately half the height of the rectangle 5300 in the figure.
  • the height of the tooth 5100 is approximately 3 to 4 times the width of the rectangle 5300 in the figure; wherein, according to the experiment, when the diameter of the formed bottle is equal to the height of the frustum portion, the forming effect and the force are the best, at this time,
  • the width of the rectangle 5300 i.e., the circumference of the bottle after forming
  • the width of the rectangle 5300 is exactly ⁇ times the height of the teeth.
  • the teeth 5110 and 5120 of the teeth 5100 may be coated with a waterproof material, such as a PE strip.
  • the blank here is a laminated composite material comprising a paper base layer, an aluminum foil layer and a waterproof layer.
  • the surface can also be printed with a patterned ink or layer.
  • the above-mentioned packaging container forming blank provided by the present invention not only simplifies the molding process by changing the folded portion in the prior art into a tooth-shaped sheet material structure, but also reduces the undulation at the superposed surface of the formed packaging container. . At the same time, it also avoids the high probability of sterilizing dead angle when folding the container, which is not conducive to the sterilization treatment of the semi-finished product of the packaging container, and the container causes bad package and increases the risk of food.
  • the packaging container in order to facilitate the observation of the state of the articles contained in the container, at least one observation hole may be opened in the body of the packaging container, the observation hole is a through hole, and the transparent piece is sealed and connected on the observation hole.
  • the material can be observed through the transparent sheet to hold the contents of the container.
  • the packaging container is a bottle-shaped container, and the observation hole 6001 is disposed on the bottle body.
  • the observation hole 6001 may be a long hole extending upward or downward on the bottle body, or may be as shown in the figure. As shown in FIG.
  • a plurality of small holes 6003 arranged along the predetermined line from top to bottom can be bonded to the composite laminate forming the packaging container by bonding the corresponding transparent sheets 6002 and 6004.
  • the surface can also be bonded between the two laminate layers forming the composite laminate. That is, the transparent sheet is bonded between the two laminated layers of the press-packing material, and the inner cavity of the packaging container is separated from the paper base layer and the two sides of the transparent sheet, so that the paper base layer can be prevented from being impregnated by the liquid substance in the container. leakage.
  • the above packaging container is formed by the blank of the present application.
  • an observation hole may be preliminarily provided on the blank, and the transparent film may be sealed and connected on the observation hole. material.
  • the transparent sheet may be bonded to the surface of the blank or may be bonded between the two composite layers of the laminate that form the blank.
  • an oblong viewing port 7001 is disposed in one of the rectangular portions of the blank, and of course, as shown in FIG. 7-2, a rectangular portion of the blank is disposed along the straight line.
  • Four small holes are formed as observation holes 7004. The number of small holes, the diameter of the small holes, and the arrangement of the small holes can be determined according to actual use.

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Abstract

一种包装容器,该包装容器部分或者全部由层压包装材料形成,在包装容器的材料表面或内部形成多个加强筋来保护结构的稳定性,进而使得在包装容器承载如液体食品时具有更高的性能,有利于延长容器的使用时间;在包装材料的基层与外部环境间经防水材料相阻隔,降低了环境湿度过大的情况下基层受到破坏或霉变的可能,从而提升了包装容器本身的性能和质量。

Description

包装容器成形的坯料以及包装容器
本申请要求以下中国专利申请的优先权:
1.于2014年5月29日提交中国专利局、申请号为201420283322.7、名称为“包装容器”的中国专利申请。
2.于2014年5月29日提交中国专利局、申请号为201420282931.0、名称为“包装容器形成坯料”的中国专利申请。
3.于2014年5月14日提交中国专利局、申请号为201420246292.2、名称为“包装容器及制造其的坯料”的中国专利申请。
4.于2014年5月14日提交中国专利局、申请号为201420245867.9、名称为“包装容器及制造其的坯料”的中国专利申请。
5.于2014年4月30日提交中国专利局、申请号为201420222389.X、名称为“包装容器和制造其的坯料”的中国专利申请。
技术领域
本发明涉及包装容器成形坯料以及包装容器。
背景技术
现有的包装容器结构,如公开号为WO2008/086808A1的专利文献,在该专利文献的图2中公开了一种纸瓶子结构,其利用层压复合材料形成的底部3和瓶身2封合以后,由瓶身2形成的裙边17的上端端头暴露在外部环境中;而由于形成该类瓶体结构的包装材料为层压材料,尤其是大部分这种层压材料还会含有纸基层,因此当裙边端头暴露于外部环境时,由于外部环境潮湿等状况,将会导致端头破损、开裂、霉变等状况,进而影响包装容器的性能,对食品安全也造成一定的影响。
上述的包装容器包括下端的圆筒形瓶身和上端的截锥形瓶颈,瓶身和瓶颈由长方形薄片式包材形成,其中瓶颈部分采用包材褶皱的方式来实现颈部不断缩小的目的。该申请中颈部的褶皱是朝一个方向折叠的,折叠后,瓶颈外部表面的折缝两侧会出现高低不一的情况,如该对比文件的附图所示,该对比文件所示意的具体结构,折痕10是导向折缝9的一侧的,虽然通过将图中标号为11的部分尽量贴近折痕9甚至保持两者相邻重叠,以使图中瓶颈外部表面的折缝12两侧凹凸保持相对一致,但实际上这只是一种相对理想的情况,要通过相对复杂的工艺才能实现,并且其形状也不容易保持。因此该种结构的瓶体,从外观上看,其成品的折缝部位一高一低,会存在明显的台阶,由于该类包装容器通常会在包材表面提前印刷好图案,因此明显的台阶将会影响到图案内容的表达。并且,由于在瓶颈的瓶口部分要另外附件螺旋式瓶盖,因此在消费者拧开瓶盖取用容器中所存留的内容物时,由于沿瓶体周向施加的一个扭转力,将最先导致图中标号为11的部分粘结的破坏,从而破坏了瓶颈理想的外观呈现状态。
出于成本及环保等因素的考虑,在现有的灌装行业,广泛使用层压的片材来形成最终的包装容器,例如受众广泛知悉的砖包、枕包,还如瓶状包装容器;其基本的操作工艺为通过对片状保持的折叠封合来形成最终的包装容器结构,并且在成形过程中折叠的部分基本上限于对成形形状无意义的边角等处,并且遵循折叠部分尽可能少的原则。一般来说,由于包材本身的物理特性,利用该类较薄的层压式片材形成的包装容器中一些相对较小的包装容器在装入内容物后形态相对较易保持,而当包装容量变大时,内装的液态食品等物对包装容器的内壁的压迫以及液态食品本身的重量会对包装容器的内壁造成不均匀的挤压,进而影响包体形状,甚至导致包装容器变形甚至破裂。
上述瓶状结构的包装容器采用层压材料折叠的形式来形成,即利用提前压制有折叠痕的坯料进行折叠封合形成瓶子的主体部分。由该种成形形式形成的瓶子,其瓶颈部分经包材折叠叠置的部分将会导致瓶体的表面起伏度较大,美观度变差,并且折叠部分的间隙不利于灭菌,由于瓶体上部还要附加瓶盖,因此许多 时候,这些间隙由于无法实现彻底灭菌,容易成为菌落滋生的场所,进而降低所包装食品的保质时间;或者这些间隙或死角将会加大灭菌难度,使灭菌和消毒工艺变得更复杂。
发明内容
本发明所要解决的一个技术问题在于提供一种具有更好性能及环境适应性的包装容器结构。
其所要解决的技术问题可以通过以下技术方案来实施。
一种包装容器,该包装容器部分或全部由包含纸基层的层压复合材料形成,形成的该包装容器至少有部分层压复合材料的断面或表面与相邻包装材料的表面相粘结,其中,在所述粘结处,所述层压复合材料纸基层的纸基质与外部环境经防水材料相阻隔。
作为本技术方案的进一步改进,所述断面或表面处包覆有防水贴条,所述防水贴条形成用于阻隔所述纸基质与所述外部环境的所述防水材料。
也作为本技术方案的进一步改进,所述层压复合材料的断面为斜切面,所述斜切面与所述相邻包装材料的表面相贴合,所述层压复合材料最外部的层压材料层形成阻隔所述纸基质与所述外部环境的所述防水材料。
作为本技术方案的更进一步改进,所述防水贴条经热封包覆于所述层压复合材料的断面。
作为本发明的优选实施例之一,所述防水贴条为PE条。采用该PE条作为防水贴条,取材容易,效果好。
或者,所述防水贴条为层压材料。
也作为本发明的优选实施例之一,所述包装容器呈瓶状,所述粘结处位于该瓶状包装容器的瓶底部分。
还作为本发明的优选实施例之一,所述包装容器呈瓶状,所 述粘结处位于该瓶状包装容器的瓶底部分,所述防水贴条沿圆环形路径包覆于形成所述瓶底与瓶身的相邻两包装材料的相接处。
由于在瓶底作为储存运输过程中包装容器的承受部位,因此此处出现纸基暴露后,周围的环境通风情况将会更差、更容易聚集湿气,因此,当对纸基与环境进行阻隔后效果更加明显。
又作为本发明的优选实施例之一,所述包装容器呈瓶状,所述斜切面形成于形成所述瓶状包装容器瓶身的包装材料的折边的端头,所述斜切面与形成所述瓶状包装容器瓶底的包装材料的下部表面相贴合粘结在一起。
同样作为本发明的优选实施例之一,所述斜切面的斜切角最好为45度。
作为本发明的又进一步改进,所述斜切面朝向瓶体的外侧。
采用上述技术方案的包装容器结构,通过对包装材料粘结处本身结构的处理或者包覆等形式,进而避免暴露在包装容器外部的纸基层与外部环境的过分接触或作用,进而降低由于环境湿度过大等情况下,纸基层首先受到破坏或霉变,进而影响整体包装容器的美观度或降低包装容器本身物理性能。进一步提升了包装容器本身的性能。
进一步,本发明所要解决的另一技术问题在于提供一种折缝两侧表面平整,无需更多后续工艺处理,并且容器结构较易保持的包装容器。
其所要解决的技术问题可以通过以下技术方案来实施。
一种包装容器,包括由片状层压材料折成的圆筒形瓶身及截锥形瓶颈,所述瓶身及瓶颈由一完整的矩形片状层压材料形成,所述矩形片状层压材料由矩形的第一部分和第二部分组成,相连的所述第一部分和第二部分分别形成所述圆筒形瓶身和截锥形瓶颈,沿所述瓶颈周向间隔设置有经所述第二部分片状层压材料的部分基材折叠形成的一系列叠置在所述瓶颈其中一侧并凸出瓶颈本体面的折叠层,所述瓶颈的另一侧表面形成了一系列相应 的折缝,自所述截锥形瓶颈的下部到上部,所述折叠层的折叠量渐宽以保持所述瓶颈的开口渐小,其特征在于,凸出瓶颈本体面的所述折叠层至少包括两个端棱,所述两个端棱分处所述相应折缝的两端。
作为本技术方案的进一步改进,所述折叠层位于该包装容器的内侧端。
也作为本技术方案的进一步改进,所述折叠层位于该包装容器的外侧端。
作为本发明的优选实施例之一,在同一水平面,相应折缝距离所述其中一个端棱的距离大于距离另一个端棱间的距离。此时,将有利于在拧开包装容器所附设的螺旋式盖体时包装容器本身形态的保持。
也作为本发明的优选实施例,在同一水平面,相应折缝距离两个端棱的距离相等。
作为本发明的又一优选实施例,所述层压材料至少包括一层纸基层和一层铝箔层。这样可以方便牛奶和果汁等饮品的保存。
作为本发明的更进一步改进,所述折叠层与所述瓶颈本体的层压材料经感应加热热封为一体。
采用上述技术方案的包装容器,通过层压式片材来制造瓶状包装容器,尤其是利用复合式纸材进行封合折叠而形成最终的瓶状结构,不仅可以有效降低塑料类包装容器高成本、难分解等不足,具有成本低,高环保等优点,同时也有利于保持容器本身的形态控制。尤其在应用于专门的灌装机器后可以大大提高灌装速度和单位时间生产量。避免了现有技术中类似包装容器工艺控制复杂,控制环节多,瓶体状态不容易保持等缺点。
本发明所要解决的另一个技术问题在于提供一种制造前述包装容器的坯料,该坯料由成卷的片材分割而成,分割后的每一个坯料单元包括相连的第一矩形部和第二矩形部,所述第一矩形部和第二矩形部共用一个矩形边,所述第一矩形部用于形成所述包装容器的圆筒形瓶身,所述第二矩形部用于形成所述包装容器 的瓶颈,所述第二部分上设有多组便于所述折叠层叠置的压痕,每一组所述的压痕包括依次排列的第一压痕线、第二压痕线、第三压痕线和第四压痕线,其中,所述四条压痕线的一端端头汇聚于共用的所述矩形边上的一点,所述四条压痕线的另一端端头分散布置在所述第二矩形部与该共用矩形边相对的另一个矩形边上。
作为该技术方案的进一步改进,所述第一和第二压痕线之间形成第一区域,所述第二和第三压痕线之间形成第二区域,所述第三和第四压痕间形成第三区域;所述第一区域和第三区域对称布置。
作为本技术方案的更进一步改进,以通过所述汇聚点并垂直于所述共用矩形边的线为参考线,在同一水平面上,所述第一压痕线距离所述参考线的距离为所述第二压痕线距离所述参考线的距离的2倍,所述第四压痕线距离所述参考线的距离为所述第三压痕线距离所述参考线的距离的2倍。
作为本坯料技术方案的优选实施例之一,以通过所述汇聚点并垂直于所述共用矩形边的线为参考线,在同一水平面上,所述第一压痕线距离所述参考线的距离为所述第二压痕线距离所述参考线的距离的2倍,所述第四压痕线距离所述参考线的距离为所述第三压痕线距离所述参考线的距离的2倍。进一步,所述第一压痕线距离所述参考线的距离小于所述第四压痕线距离所述参考线的距离。
此外,所述坯料可以为层压复合材料,其复合层至少包括一层纸基层和一层铝箔层。
作为本技术方案的更进一步改进,所述第一矩形部设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
作为本技术方案的更进一步改进,所述透明片材粘接于所述层压复合材料的表面,或者,所述透明片材粘接于所述层压复合材料的两层压层之间。
采用上述技术方案中提高的坯料来制造所述包装容器时,可以大大加快包装容器的成形效率和成形质量,并且坯料生产工艺 简单成本低廉。
本发明所要解决的另一个技术问题在于提供一种包体形状较易保持的包装容器。
其所要解决的技术问题可以通过以下技术方案来实施。
一种包装容器,用于储存液态食品,其中,形成该包装容器主要储存空间的容器壁至少部分由纸基为主的片状层压材料形成,在该容器壁上设有多组经折叠及叠置所述层压材料而成的加强筋条,所述加强筋条凸出所述容器壁。
作为本技术方案的进一步改进,所述加强筋条横向排列于所述容器壁表面。
或者,所述加强筋条竖向排列于所述容器壁表面。
或者,所述加强筋条斜向排列于所述容器壁表面。
也作为本技术方案的进一步改进,所述加强筋条凸出于所述容器壁内侧表面。
或者,所述加强筋条凸出于所述容器壁外侧表面。
作为本发明的优选实施例,所述包装容器呈瓶状,所述瓶状包装容器的瓶身由所述层压材料形成。
也作为本发明的优选实施例,所述包装容器呈瓶状,所述瓶状包装容器的瓶身和瓶颈均由所述层压材料形成,所述瓶身和瓶颈表面均设有所述加强筋。
还作为本技术方案的进一步改进,叠置而成的所述加强筋相对于折叠处形成的折缝沿折缝的一边折叠而成。
同样,叠置而成的所述加强筋也可以相对于折叠处形成的折缝沿折缝的两边折叠而成。
其中,所述折缝相对叠置而成的所述加强筋居中排列或偏向于其中的一边。
作为本发明的又一优选实施例,所述包装容器外形为六棱柱 包体或砖包结构。
此外,所述层压复合材料可以经感应加热后叠置封合形成所述加强筋。
采用上述技术方案的包装容器结构,通过在形成包装容器的材料表面或内部通过折叠、贴附、埋设等手段形成了多种形式的加强筋来保护包体结构的稳定性,进而使得在包体承载液体食品时其具有更高的物理性能,有利于延长本体本身的使用时间,避免在周转运输甚至生产过程中对包装容器造成破包、瘪包、包体变形等缺陷。极大的提升了包体质量。
本发明所要解决的另一个技术问题在于提供一种生产上述包体的坯料。进而便于生产出上述特别的包体。
其所要解决的技术问题可以通过以下技术方案来实现。
一种制造前述包装容器的坯料,在层压复合材料的表面提前压制有多组便于折叠后叠置形成所述加强筋结构的压痕线。
其中,每组所述压痕线可以为两条或四条。
其中,在层压复合材料上提前设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
其中,所述透明片材粘接于所述层压复合材料的表面,或者,所述透明片材粘接于所述层压复合材料的两层压层之间。
采用上述技术方案的包装容器坯料,可以快速方便的实现相应包体的成形,有利于满足现代食品加工的规模化生产要求。
本发明所要解决的再一个技术问题在于提供一种包体形状较易保持的包装容器。
其所要解决的技术问题可以通过以下技术方案来实施。
一种包装容器,主体由片状层压材料形成,在由该片状层压材料形成的包装容器的侧壁上设有条状或网状的加强筋结构。
作为本技术方案的进一步改进,所述加强筋结构设于所述侧壁的内壁或外壁表面。
也作为本技术方案的进一步改进,所述加强筋结构埋设于所述层压材料内部。
作为本技术方案的更进一步改进,所述加强筋由形成所述包装容器侧壁的同一片层压复合材料经部分折叠后叠置形成。
也作为本技术方案的更进一步改进,所述加强筋为粘附于形成所述包装容器侧壁的层压复合材料表面的相同包装材料或不同包装材料。
还作为本技术方案的进一步改进,所述加强筋结构的多条条状加强筋沿包装容器周缘均匀排列。
同样,所述加强筋结构的条状加强筋可以相对包装容器底部走向呈斜向排列、竖向排列或水平排列。
其中,所述加强筋结构可以设于所述包装容器主要容纳空间对应的侧壁上。
作为本技术方案的优选实施例之一,在相应侧壁的下部二分之一至三分之一处始至侧壁底部设有所述加强筋结构。
也作为本技术方案的优选实施例之一,呈水平排列的多条条状加强筋其相邻加强筋间的间隔由包装容器上部到下部逐渐减小。
还作为本技术方案的更进一步改进,叠置而成的所述加强筋相对于折叠处形成的折缝沿折缝的一边折叠而成。
作为本技术方案的又一优选实施例之一,叠置而成的所述加强筋相对于折叠处形成的折缝沿折缝的两边折叠而成。例如,所述折缝相对叠置而成的所述加强筋居中排列或偏向于其中的一边。还如,由上往下看,沿顺时针方向,所述折缝更靠近相应加强筋的前方一侧。
作为本发明的其中一个优选实施例,所述包装容器呈瓶状,该瓶状包装容器的瓶身和瓶颈由所述层压复合材料形成。
进一步,所述瓶状包装容器的瓶身和瓶颈由同一片层压复合材料形成。
也进一步,在所述瓶身和瓶颈处均设有所述加强筋结构。
或者,仅在所述瓶身处设有所述加强筋结构。
也作为本发明的一个优选实施例,所述包装容器外形为六棱柱包体或砖包结构。
还作为本发明的一个优选实施例,所述加强筋水平设于包装容器周向外立面上。
同样作为本发明的一个优选实施例,所述层压复合材料经感应加热后叠置封合形成所述加强筋。
采用上述技术方案的包装容器结构,通过在形成包装容器的材料表面或内部通过折叠、贴附、埋设等手段形成了多种形式的加强筋来保护包体结构的稳定性,进而使得在包体承载液体食品时其具有更高的物理性能,有利于延长本体本身的使用时间,避免在周转运输甚至生产过程中对包装容器造成破包、瘪包、包体变形等缺陷。极大的提升了包体质量。
本发明所要解决的另一个技术问题在于提供一种生产上述包体的坯料。进而便于生产出上述特别的包体。
其所要解决的技术问题可以通过以下技术方案来实现。
一种制造前述包装容器的坯料,在层压复合材料的表面提前压制有多组便于折叠后叠置形成所述加强筋结构的压痕线。
其中,每组所述压痕线可以为两条或四条。
作为该技术方案的进一步改进,所述坯料包括相连接的第一矩形部和第二矩形部,所述第一矩形部形成瓶状包装容器的瓶颈,所述第二矩形部形成瓶状包装容器的瓶身;设有所述第一矩形部上的单组所述压痕线呈放射状排列,设于所述第二矩形部上的单组所述压痕线呈平行排列,所述第一矩形部和第二矩形部上相应的一组压痕线相交于所述第一矩形部和第二矩形部共用的一条矩形边上,该共用的矩形边最终形成所述瓶状包装容器瓶颈与瓶身的分界线。
作为该技术方案的进一步改进,在第二矩形部上提前设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
作为该技术方案的进一步改进,所述透明片材粘接于所述层压复合材料的表面,或者,所述透明片材粘接于所述层压复合材料的两层压层之间。
本发明所要解决的又一技术问题在于提供另一种制造包装容器的坯料,其具体技术方案为,在层压复合材料复合层间复合时提前埋设有带状或网状的加强筋。
本发明所要解决的另一技术问题在于提供另一种制造包装容器的坯料,其具体技术方案为,提前在所述层压复合材料表面粘附有带状的加强筋。
采用上述技术方案的包装容器坯料,可以快速方便的实现相应包体的成形,有利于满足现代食品加工的规模化生产要求。
本发明所还要解决的技术问题在于提供一种更有利于消毒和灭菌的包装容器成形坯料。其所要解决的技术问题可以通过以下技术方案来实施。
一种包装容器成形坯料,用于形成一瓶状容器的瓶身和瓶颈部分,其中,所述坯料为片料,该片料包括下部的一段矩形料和上部的一段齿条形料,所述矩形料的其中一矩形边与所述齿条形料的底边重叠而相连并整体上经由同一片料的不同部分模切而成,所述矩形料用于形成所述瓶状容器的瓶身部分,所述齿条形料用于形成所述瓶状容器的瓶颈部分;所述齿条形料设有一组开口向外的锯齿。
作为本技术方案的进一步改进,所述锯齿齿边内侧端的坯料面上设有便于折叠所述坯料以保持相邻锯齿拼接封合的压痕线。通过沿锯齿边缘增加压痕线的形式,使得在后续粘合封合工艺工程中更容易成形,成形的质量也更容易保证。
也作为本技术方案的进一步改进,所述锯齿的齿形为等腰梯形。
作为本技术方案的更进一步改进,所述齿条形料上均匀布设有6-8个所述锯齿。其中,所述齿条形料上均匀布设有8个所述锯齿时效果更优。
作为本发明的优选实施例之一,所述锯齿的齿高约为所述矩形料矩形高度(即沿卷曲时的轴向)的一半。
也作为本发明的优选实施例之一,所述齿条形料整体长度为所述锯齿齿高的3-4倍。其中,更优选所述齿条形料整体长度为所述锯齿齿高的π倍。此时,最终成形的瓶状整体比例为细长型(尤指瓶颈部分),其结构使得瓶颈部分开口渐小的趋势相对舒缓,有利于保持瓶体结构的自然过渡和表面的美观度。
还作为本发明的优选实施例之一,所述锯齿的齿边上包覆有防水材料条。防水条的包覆不仅有利于坯料包材断面的保护,同时也便于成形时的粘结和封合。
此外,所述坯料至少包括纸基层、铝箔层和防水层。该复合材料将不仅可以满足瓶体隔热、避光、防潮的特性,同时也具有低成本的优势。
另外,在所述坯料表面还可以设有油墨印刷层。其将有利于瓶体表面图案的表达,可以降低包装印刷的费用。
其中,所述胚料上提前设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
其中,所述透明片材粘接于所述坯料的表面,或者,所述透明片材粘接于所述坯料的铝箔层和防水层之间。
采用上述技术方案的包装容器成形坯料,通过提前模切压制好的片状坯料,尤其是对折叠粘合的齿形部分的处理,可以避免在利用层压复合材料成形瓶状包装容器时,瓶颈部分的包材折叠会出现灭菌死角的状况,进而简化了后续的灭菌杀毒工艺,减少了灭菌风险带来的食品安全风险和生产成本。同时,利用该坯料来生产瓶状包装容器时,相对整卷的包装材料来生产,可以有效较低灌装机械的占地面积和空间。
附图说明
下面结合附图对本发明的具体实施方式作一详细说明。
图1-1为本发明实施例1-1的结构示意图;
图1-2为图1-1中A处的放大图;
图1-3为本发明实施例1-2的结构示意图;
图1-4为图1-3中B处的放大图;
图1-5为本发明实施例1-3的结构示意图;
图1-6为图1-5中C处的具体放大示意图;
图1-7为图1-6中部分结构的示意图;
图2-1现有技术中包装容器的结构示意图;
图2-2为制造本发明所述包装容器的坯料的结构示意图;
图2-3为本发明包装容器实施例2-1的结构示意图;
图2-4为实施例2-1包装容器颈部的横截面示意结构;
图2-5为本发明包装容器实施例2-2的颈部横截面结构示意;
图2-6为制造本发明实施例2-3所述包装容器的坯料的结构示意图;
图2-7为本发明包装容器实施例2-3的结构示意图;
图3-1为本发明实施例3-1、3-2和3-3提供的包装容器的外部结构示意图;
图3-2为实施例3-1中瓶身部分横向剖面的结构示意(相关剖面线已省略);
图3-3为实施例3-1中坯料的展开示意;
图3-4为实施例3-2中瓶身部分横向剖面的结构示意(相关剖面线已省略);
图3-5为实施例3-2中坯料的部分展开示意;
图3-6为实施例3-3中瓶身部分横向剖面的结构示意(相关剖面线已省略);
图3-7为实施例3-4提供的包装容器的外部结构示意图;
图3-8为实施例3-4中瓶身部分横向剖面的结构示意(相关剖面线已省略);
图3-9为实施例3-5提供的包装容器的外部结构示意图;
图3-10为实施例3-5中瓶身部分纵向剖面的部分结构示意(相关剖面线已省略);
图3-11为实施例3-5中形成瓶身部分的坯料的展开示意;
图3-12为实施例3-6提供的包装容器的外部结构示意图;
图3-13为实施例3-6中瓶身部分纵向剖面的部分结构示意(相关剖面线已省略);
图3-14为实施例3-7提供的包装容器的外部结构示意图;
图3-15为实施例3-8提供的包装容器的结构示意图;
图3-16为实施例3-9提供的包装容器的结构示意图;
图3-17为实施例3-10提供的包装容器的结构示意图;
图3-18为实施例3-11提供的包装容器的结构示意图;
图3-19为实施例3-11中瓶身部分纵向剖面的部分结构示意(相关剖面线已省略);
图3-20为实施例3-12提供的包装容器的结构示意图;
图3-21为实施例3-13提供的包装容器的结构示意图;
图4-1为本发明实施例4-1、4-2和4-3提供的包装容器的外部结构示意图;
图4-2为实施例4-1中瓶身部分横向剖面的结构示意(相关剖面线已省略);
图4-3为实施例4-1中坯料的展开示意;
图4-4为实施例4-2中瓶身部分横向剖面的结构示意(相关剖面线已省略);
图4-5为实施例4-2中坯料的部分展开示意;
图4-6为实施例4-3中瓶身部分横向剖面的结构示意(相关剖面线已省略);
图4-7为实施例4-4提供的包装容器的外部结构示意图;
图4-8为实施例4-4中瓶身部分横向剖面的结构示意(相关剖面线已省略);
图4-9为实施例4-5提供的包装容器的外部结构示意图;
图4-10为实施例4-5中瓶身部分纵向剖面的部分结构示意(相关剖面线已省略);
图4-11为实施例4-5中形成瓶身部分的坯料的展开示意;
图4-12为实施例4-6提供的包装容器的外部结构示意图;
图4-13为实施例4-6中瓶身部分纵向剖面的部分结构示意(相关剖面线已省略);
图4-14为实施例4-7提供的包装容器的外部结构示意图;
图4-15为实施例4-8提供的包装容器的结构示意图;
图4-16为实施例4-9提供的包装容器的结构示意图;
图4-17为实施例4-10提供的包装容器的结构示意图;
图4-18为实施例4-11提供的包装容器的结构示意图;
图4-19为实施例4-11中瓶身部分纵向剖面的部分结构示意(相关剖面线已省略);
图4-20为实施例4-12提供的包装容器的结构示意图;
图4-21为实施例4-13提供的包装容器的结构示意图;
图5-1为本发明实施例5-1的结构示意图;
图6-1为本发明实施例提供的包装容器上具有一个观察孔的结构示意图;
图6-2为本发明实施例提供的包装容器上具有沿直线排布的四个观察孔的结构示意图;
图7-1为本发明实施例提供的坯料上具有一个观察孔的结构 示意图;
图7-2为本发明实施例提供的坯料上具有沿直线排布的四个观察孔的结构示意图。
图中:1001、1002、1003——包装容器;
1100、1200、1410、1420、1600、1700——包材;
1110、1210、1610、1710——折边;
1111、1411、1421、1640——端头;
1300、1500——贴条;
1720——底面;
1631、1632、1633——材料层;
1620、1621、1622、1623——断面。
2100——瓶身;2000——颈部;2310——折缝;2320、2330、2331、2340、2341、2350——压痕;2400——分界线;2500——坯料;2510、2520——边缘;
3001、3002、3003、3004、3005、3006、3007、3008、3009、3910、3920——包装容器;
3010、3013、3014、3020、3023、3033、3040、3050、3060、3070、3090——加强筋;
3011、3021、3031、3041、3051、3061、3071、3081——瓶身;
3012、3022、3032、3042、3052、3082——瓶颈;
3100、3300——坯料;
3101、3102、3400、3500、3600、3700、3900——包材;
3901、3902——层压材料;
3103、3203、3303、3403、3503、3803——分界线;
3110、3111、3210、3310、3810、3912、3923——折缝;
3911、3921、3922——外立面;
3120、3121、3123、3130、3131、3132、3133、3134、3140、3141、3143、3150、3153、3220、3230、3231、3240、3241、3250、3320、3330——折痕线;
4001、4002、4003、4004、4005、4006、4007、4008、4009、4910、4920——包装容器;
4010、4013、4014、4020、4023、4033、4040、4050、4060、4070、4090——加强筋;
4011、4021、4031、4041、4051、4061、4071、4081——瓶身;
4012、4022、4032、4042、4052、4082——瓶颈;
4100、4300——坯料;
4101、4102、4400、4500、4600、4700、4900——包材;
4901、4902——层压材料;
4103、4203、4303、4403、4503、4803——分界线;
4110、4111、4210、4310、4810、4912、4923——折缝;
4911、4921、4922——外立面;
4120、4121、4123、4130、4131、4132、4133、4134、4140、4141、4143、4150、4153、4220、4230、4231、4240、4241、4250、4320、4330——折痕线;
5100—齿;5110、5120—齿边;5210、5220—压痕线;5300—矩形;5400—分界线;
6001、6003、7001、7004—观察孔;6002、6004、7002、7003—透明片材。
具体实施方式
实施例1-1:
如图1-1和图1-2所示的包装容器结构,呈瓶状结构的包装容器1001主要由层压复合材料形成,其中包材1100形成了瓶身部分,包材1200形成了瓶底部分,瓶身和瓶底通过包材间的相互掺和叠置封合而成,如图1-2所示,包材1100底部形成一个向内向上的折边1110,包材1200形成了一个向下的折边1210,折边1210正好插放在折边1110和包材1100本体之间的间隙内,通过封合压制,在瓶状结构的包装容器底部形成了一个圆环形的叠置封合部分,其中位于瓶底下部的折边1110实际上形成了一个裙边,其上部端头1111贴靠在包材1200的底部表面,如果对暴露的端头1111不作任何处理,由于形成包材1100的各层层压材料中具有纸基层,在受潮等情况下,从端头1111处开始会出现腐蚀和霉变等情况。因此,在端头1111和包材1200底部的间隙的位置处包覆了一个环形的贴条1300以适应瓶体本身的结构。如图中截面所示,贴条1300的一边贴合在折边1110的表面,另一边贴合在形成瓶底部分的包材1200的底部表面,经此处理,即使将该包装容器置放在较湿润的环境下,由于外部湿润的空气已与折边1110的端头1111隔离,因此不再会对包装容器1001的底部结构造成破坏,进而有利于整个包装容器的性能提升,有利于延长利用该包装容器储存食品时食品的储存时间。当然,该贴条1300在材料性能上一定是具有防水防潮功能的,可以为单种材料例如PE形成的条带,也可以是复合层压材料。
实施例1-2:
如图1-3和图1-4所示的包装容器结构,呈枕包形结构的包装容器1002由层压材料形成,其中包材1410和1420上下两端分别封合,在封合位,包材1410和1420的端头411和1421暴露在外部,为了防止受潮等原因引发的包材1410和1420中纸基部分的损坏引发的包体破损等缺陷,分别在包体上部和下部的边缘,即在端头部分包覆了防水贴条1500以覆盖端头1411和1421的断面,进而提高整个包装容器对环境的适应性,提高内容物的保存期限。
实施例1-3:
如图1-5至图1-7所示的包装容器结构,与实施例1-1类似,呈瓶状结构的包装容器1003的瓶身由包材1600形成,瓶底由包材1700形成。在瓶身和瓶底相结合的地方,借助折边1710和1610的叠置封合实现连接密封。
其中,如图1-6和图1-7所示,在折边1610的端头1640处通过斜切的形式实现端头1640具有一个倾斜的断面结构,即图中的α角(切面与折边表面垂线H之间的夹角)为锐角。该锐角为30到60°,优选45°。
该实施例中包材1600由材料层1631、1632和1633复合层压形成,中间的材料层1632为纸基质,将折边1610的端头斜切以后,端头的断面1620形成斜切面,每一个材料层1631、1632和1633的断面1621、1622和1623均为斜切面,将该断面1620与瓶底的包材1700的底面1720粘合以后,由于形成包材1600折边1610的包材的最外侧材料层1633通常是具有防水功能的,因此在断面为斜切面的情况下,与底面1720粘合的断面1623自然阻止了纸基质的材料层1632与外部环境的接触,进而实际上改善了瓶体对环境的要求,提升了包装容器的性能。
上述实施例中通过不同的形式来实现对可能暴露在外部环境中的包装材料中的纸基部分的保护,防止由于纸基本身的特性,可能最早会受到环境影响,造成包体质量缺陷及食品的污染。当然,部分实施例也可以有所变通,例如,实施例1-2中包装材料端头也可以采用实施例1-3中斜切面的结合,进而两侧的斜切面再封合粘结,从而舍弃其中额外包覆的防水条。
此外,对于裸露的部分,也可以重点包覆容器底部等对环境反应较明显的部分,比如,类似实施例1-1中,储存的包装容器,在瓶底的包材和底部中间形成了一个空气流通较差的空间,这部分由于空气流通的原因相对瓶体侧部裸露的部分将会面临更大的压力,在单位时间内,更容器首先发生霉变或破损,并且包装容器的下部相对其它部位承受的压力更重。
实施例2-1
如图2-2至图2-4所示的包装容器及制造其的坯料,如图2-2所示的一个矩形的坯料2500最终形成如图2-3所示的一个包装容器(呈瓶状)的主体部分,坯料2500通过折痕2400将其分成上下两部分(两个矩形),通过将两侧的边缘2510和2520叠置热封,整个坯料形成圆筒形结构,其中分界线2400(也可以以折痕的形式存在)下面的部分最终形成包装容器的瓶身部分,分界线2400上面的部分最终要形成包装容器的瓶颈部分,该瓶颈部分呈截锥形,由于在折叠前,瓶颈部分的原料(坯料)是呈矩形的,因此要沿图2-2中坯料提前压好的压痕2320、2330、2340、2350折叠粘接后形成开口渐小的截锥形结构。
其中,呈矩形的瓶颈部分的原料上间隔设置了多组压痕线,每一组压痕线沿折痕2320、2330、2340和2350折叠后形成了一个折缝2310,每一组压痕线的折痕2320、2330、2340和2350的下端汇聚到一点,上端散开;其中沿图2-2中横向的同一位置,折痕2320和2330之间围成的区域与折痕2350和折痕2340之间围成的区域对称布置,并且这两个区域拼接在一起后与折痕2330和2350之间的区域大小相等。也就是说沿上述折痕2320、2330、2340和2350折叠后,可以最终形成图2-4中褶皱沿折缝两侧延伸排列对称的实际情况,而不是对比文件折缝朝一边倒的情况。该实施例中,包装容器成形后褶皱是朝向瓶体内侧的,由于褶皱是对称布置在折缝2310两端的,这样可以保持接缝两侧的包材高度相一致,进而有利于在包材表面提前印制好的图案内容的表达。
褶皱部分沿各折痕折叠过程中,根据工艺特点折叠处可能会形成一个Ω形的中间状态,当整个折叠位置的包材折好压平实(包括粘结封合等工序)后,折痕2320和2350所形成的两条线相贴合重叠并形成了所谓的折缝2310,折痕2330和2340分处折缝2310两侧并对称布置,多个叠置的包材从瓶体内侧凸起,沿颈部均匀布置,实际上还起到了加强筋的作用,有利于包材成形后瓶体受力后形状的保持,例如在颈部开口附设有螺旋式瓶盖 后,当终端消费者需要拧动瓶盖以打开食用时,瓶体本身会承受一个扭转的力,此时如果消费者把持瓶体的手正好落在瓶颈部分,那么由于多个沿瓶颈周向叠置的所谓褶皱对瓶颈的保护,进而避免在瓶体使用过程中的损坏,有利于瓶体形状的保持。即:颈部叠置的包材分处折缝的两侧时不仅有利于接缝处包材表面平整度的衔接和保持,同时也有利于拧转瓶体时瓶体形状的保持。
很显然,附图2-1中背景技术中所公开的对比文件,瓶颈部分叠置的包材由于是倒向折缝12一侧的,因此在开瓶过程中,扭转瓶盖时,出于保持接缝两端表面相对平整而专门折压的部分(图中标号11所指引的位置)将最先受力,并且只有在该部分与图2-1中标号9粘连的部分被破坏时其它叠置的部分才会受力,因此该部分会面临较大应力,容易在开瓶过程中拧转瓶盖时断开粘连,从而破坏瓶体表面结构。而本发明中的叠置部分,在受到扭转应力时受力的叠置区域相对对比文件的点线(整体看为线,剖面为点)已经变为线面(整体看为面,剖面为线),进而更加牢靠。
坯料2500可以由成卷的层压材料分隔而成,该层压材料可以为含有至少一层纸基、一层铝箔以及一层PE或OPP等形成的内膜的层压材料。其性能应该便于储存包装容器内部所盛放的液体食品或饮料。
实施例2-2
如图2-5所示,与实施例2-1相比,该实施例中颈部褶皱是位于瓶体外部一侧的,此时折缝2310形成于瓶体内部表面。当褶皱在瓶体外部形成时,在褶皱的折叠环节及后续处理环节相对实施例2-1来说变得更加容易和更容易控制。并且当褶皱处于瓶体外部时,其立体式的结构也显得新颖别致,其立体结构与包材表面图案结合后可以起到更好的效果。
实施例2-3
如图2-6和图2-7所示的包装容器颈部剖面结构示意(为便于表达,相关剖面线均省略)及其制造的坯料,与实施例2-1相比,这里的压痕2331、2341与实施例2-1中相应的压痕2330、2340的位置有所差异,表现在最终折缝2310两端叠置的包材,实施例2-1沿折缝2310是对称的,而该实施例中,相对于折缝2310的位置来说,靠近压痕2341一端所叠置的包材宽度要大于靠近压痕2331一端所叠置的包材宽度。以图2-7为按瓶体由上到下的方位参照,这样可以在拧动螺旋瓶盖时,在逆时针拧瓶盖时,作为包装容器的瓶体受到一个顺时针的拧力,具体到图2-7的截面位置,在每一个折缝2310处,整体上来说,靠近压痕2341一侧所叠置的包材所受的扭转力要略大于靠近压痕2331一侧所叠置的包材所受的扭转力,因而两侧的长短不一将部分抵消这种不足对包装容器粘结处的破坏,最大限度的保持包装容器的形状。当然两侧具体的宽度比例关系还可以灵活考虑拧动过程中叠置处的受力对结合部的具体破坏,确定折缝偏移哪一侧时更有利。
当然,相对于每一个水平面,折痕32和2331之间的距离与折痕2341和2350之间的距离之和与折痕2331和2341之间的距离相等,以使得叠置的包材相对平整,无不良的隆起和皱褶。
实施例3-1:
如图3-1至图3-3所示的包装容器结构,外观呈瓶状,主体由矩形坯料3100经卷曲、折叠与封合等工序后形成,坯料3100包括上部的片状包材3101及下部的片状包材3102,上部的包材3102形成包装容器的瓶颈3012部分,下部的包材3101形成瓶身3011部分,分界线3103为两者的分界。
沿竖向,坯料3100上提前压制了多组折痕线3120、3132、3121和3134,其中,折痕线3120和3132位于瓶身3011部分,每一组的两条线相平行;折痕线3121和3122位于瓶颈3012部分,每一组的两条线下端窄,上端渐开,其中折痕线3121与3120相连,折痕线3132与3134相连,连接点处在分界线3103上, 沿上述折痕线折叠后,在包装容器3001的外立面上形成了一条条如图3-1中的所示的折缝3110和3111(两者相连),如图3-2所示,折叠部分叠置在瓶体的内表面一侧,叠置的形成了加强筋3010;沿瓶体内表面竖向排列的一组组加强筋3010最终共同形成了式该包装容器形状更容易保持,性能上更加结实的防护条。
其中坯料3100是层压材料,可以至少包含一层纸材层和一层铝箔层以及一层塑性材料层。在其表面可以设有印刷层。
实施例3-2:
如图3-1、图3-4和图3-5所示的包装容器结构示意,与实施例3-1不同的是,经折叠后叠置在瓶体内部表面的加强筋3014的折叠方式存在差异,具体差别为:实施例3-1中加强筋3010是沿折缝3110超一侧叠置的,而该实施例中加强筋3013是沿折缝3110朝两侧叠置的,该种折叠方式的好处是可以保持折叠位置包材表面(即容器表面)尽可能的平整,有利于包材表面图案的表达。为了实现该种叠置方式的效果,如果5所示,在坯料3100(为了便于对应,这里采用了与实施例3-1同样的标号)上所设置的折痕线进行了调整,即在瓶身和瓶颈部分每一组折叠位都设置了四条折痕线,分别为瓶身位相平行的折痕线3120、3130、3140和3150,以及与上述四条折痕线相连接并设于瓶颈位的折痕线3123、3133、3143和3153,其中,折叠后,折痕线3120和3150贴合,折痕线3123和3153也贴合,折痕线3130到3140的距离等于折痕线3120到3130的距离的两倍,而折痕线3140到3150的距离与折痕线3120到3130的距离相等,同样,折痕线3123、3133、3143和3153之间的距离关系与此类似。这种关系可以满足折叠后,凸出的加强筋3014是平整的。
实施例3-3:
如图3-1和图3-6所示的包装容器结构示意,与实施例3-2不同的是,经折叠后叠置在瓶体内部表面的加强筋3013与折缝3110的关系,具体表现为,实施例3-2中折缝3110处于加强筋 3014的中间位,而该实施例3-3中,折缝3110偏向折痕3131一侧;该变化可以满足在拧开瓶体上部的螺纹开口时,由于瓶体受到的扭转力可能会将力分解到叠置的位置处,因而根据折缝3110两侧受力的不同,适当调整加强筋3013相对于折缝3110的位置。具体可以通过调整坯料中各提前压制的折痕线间的距离关系来实现,在此将不作更详细的说明。
实施例3-4:
如图3-7和图3-8所示的包装容器结构示意,与实施例3-2不同的是,经折叠后叠置形成在瓶体表面的加强筋3020是位于包装容器外侧表面的。具体来说,瓶体3002分为上部的瓶颈3022和下部的瓶身3021,两者通过分界线3203分隔,折叠后的包材在瓶颈位形成了加强筋3023,在瓶身位形成了加强筋3020,分别形成两组环绕在瓶体表面沿竖向排列。如图3-8所示,坯料上提前压制的压痕线3220和3250贴合,两者相接处形成了开口朝里的折缝3210,压痕线3230和3240超外,分处折缝3210的两端。加强筋3020凸出布置在瓶体的外表面上。该实施例中处于瓶体外部的加强筋3020和3023不仅可以作为保持包装容器性能的加强筋,同时也可以发挥表面防滑棱的作用。
实施例3-5:
如图3-9至图3-11所示的包装容器结构示意,呈瓶状的包装容器3003的主体部分由片状的包材形成,其中包括上部的瓶颈3032和下部的瓶身3031,在瓶身3031上沿周向间隔设置有若干个经折叠包材本身形成的横向加强筋3033,凸出坯料3300表面的加强筋3033位于瓶体内部一侧,在瓶体外部表面形成的是一组折缝3310。如图3-10和图3-11所示,在坯料3300上设有多组间隔设置,均匀平行排列的折痕线3320和3330,经过折叠形成图3-10中所示的加强筋3033结构,起到了保护瓶身,减少瓶体损坏的作用。
实施例3-6:
如图3-12和13所示的包装容器结构示意,呈瓶状的包装容器3004主体部分由片状的包材形成,包括上部的瓶颈3042和下部的瓶身3041,在瓶身3041周向,沿表面间隔设置有若干个凸出的加强筋3040,该加强筋3040附设在形成所述瓶身3041的包材3400上,呈条带形,通过粘附的形式均匀排列设置在其表面,其材质可以与形成包装容器本身的包材3400的材质类似或相同,也可以是PE等塑性材料。
实施例3-7:
如图3-14所示的包装容器结构示意,呈瓶体形状的包装容器3005的瓶颈3052和瓶身3051经分界线3503分隔,在形成瓶身3051的包材3500表面设有多个横向沿瓶身外缘排列的条带形加强筋3050,其中,沿瓶身3051的下部到上部,加强筋3050的密度逐渐降低,如此设置带来的有益效果是既满足装满液体食品的瓶体上下部位受力的差异(下部大,上部渐小),同时也节省了材料。当然,该处额外贴附的条带式加强筋3050也可以采用实施例3-5中由包材3500折叠叠置的形式来实现,只不过叠置后的加强筋也需设置成下部多上部少的格局。
实施例3-8:
如图3-15所示的包装容器结构示意,在瓶体包装3006的瓶身3061的下部(由瓶身下部1/3到1/2处开始到瓶底)设置了一组附设于瓶体外部的条形带来作为加强筋3060,该组条形带的布置也遵循下部多上部少的原则。该实施例中针对包装容器在装有液体食品后在同等的包材条件下容器的下部端相较上部段更容器出现破损的现状而设置,不仅起到了加固包装容器,减少破损发生的几率,同时也减少了附加物的材料损耗,降低了成本。
实施例3-9:
如图3-16所示的包装容器结构示意,与实施例3-8相比,在包装容器3007的瓶身3071下部设置的条带形加强筋3070是竖直布置的,并且相互间的间隔是均匀排列的。其起始位是位于瓶身3071下部的1/3到1/2处,终止于瓶底部分。
实施例3-10:
如图3-17所示的包装容器结构示意,呈瓶状的包装容器3008主体由上部的瓶颈3082和下部的瓶身3081组成,两者以分界线3803来划分,并且瓶颈3082和瓶身3081分别由包材形成,与实施例3-5不同的是,形成瓶身的包材经折叠在瓶身3081表面形成的折缝3810是斜的,与实施例3-5中竖向的折缝有所区别。该实施例中折缝3810另一侧通过包材折叠形成的加强筋是处于瓶身3081内侧表面的。由于加强筋相应的也为斜向排列,因此在瓶身竖向的包材接缝处(这里的接缝是指形成瓶身筒形结构的包材坯料相接处,不是指折缝3810)就可以合理的避开由于两个加强筋需要叠置增加封合难度的不足。同样折缝3810及相对应的加强筋的倾斜方向及角度也可以综合考虑打开瓶盖时瓶体转动受力的方向及大小等问题后灵活设置。
同样,也可以沿接缝3810所处的位置,设置类似实施例3-9中在包材表面贴附的形式形成加强筋的形式。
实施例3-11:
如图3-18和19所示的包装容器结构示意,呈瓶状的包装容器3009主体由上部的瓶颈92和下部的瓶身91组成,分界线3903作为两者的边界。其中,在形成瓶身部分的包材3900内部埋设有一组组平行排列的条带型加强筋3090。如图3-19所示,层压材料3901和3902在复合时就将条带型加强筋3090复合在包材3900内部,这样最终形成的包材3900不仅表面相对光滑,同时其强度和韧性等物理改善明显,有利于最终成型包装容器的质量提升。
当然,在形成包材的各层压材料之间也可以提前埋设网状的加强结构来替代其中的条带型加强筋,例如呈网状的线材。
实施例3-12:
如图3-20所示的包装容器结构示意,呈六棱柱(八面体)的包装容器3910具有六个棱面(即图中的外立面3911),在由外立面3911构成的包体侧壁上有一组组平行的折缝3912,该折缝是经构成侧壁的包材折叠后形成的,其叠置的部分位于包体内侧一端,具体结构可参照实施例3-5,叠置的部分形成了横向的加强筋结构,有利于该容器封装有液态食品时包侧壁的性能提升。
实施例3-13:
如图3-21所示的包装容器结构示意,包装容器3920的形状为方形(即通常意义上的砖包结构),在其四周的外立面3921和3922上也设有多组横向均匀排列的折缝3923,折缝3923的另一侧形成了有利于保持包体形状的加强筋结构。
本发明提供的上述各包装容器结构,通过多种方式在瓶体上形成了加强筋结构,有力的增加了诸如纸基质的层压材料为原料形成的包装容器,包体在填充有液态食品后,包体容易变形甚至损坏的不足,通过加强筋的方式,在成本提升有限的情况下对包体整体的强度和包材的韧性等性能形成了明显的提升,尤其是对包体较大表面性能的改善明显。
实施例4-1:
如图4-1至图4-3所示的包装容器结构,外观呈瓶状,主体由矩形坯料4100经卷曲、折叠与封合等工序后形成,坯料4100包括上部的片状包材4101及下部的片状包材4102,上部的包材4102形成包装容器的瓶颈4012部分,下部的包材4101形成瓶身4011部分,分界线4103为两者的分界。
沿竖向,坯料4100上提前压制了多组折痕线4120、4132、4121和4134,其中,折痕线4120和4132位于瓶身4011部分,每一组的两条线相平行;折痕线4121和4122位于瓶颈4012部分,每一组的两条线下端窄,上端渐开,其中折痕线4121与4120相连,折痕线4132与4134相连,连接点处在分界线4103上,沿上述折痕线折叠后,在包装容器4001的外立面上形成了一条条如图4-1中的所示的折缝4110和4111(两者相连),如图4-2所示,折叠部分叠置在瓶体的内表面一侧,叠置的形成了加强筋4010;沿瓶体内表面竖向排列的一组组加强筋4010最终共同形成了式该包装容器形状更容易保持,性能上更加结实的防护条。
其中坯料4100是层压材料,可以至少包含一层纸材层和一层铝箔层以及一层塑性材料层。在其表面可以设有印刷层。
实施例4-2:
如图4-1、图4-4和图4-5所示的包装容器结构示意,与实施例4-1不同的是,经折叠后叠置在瓶体内部表面的加强筋4014的折叠方式存在差异,具体差别为:实施例4-1中加强筋4010是沿折缝4110超一侧叠置的,而该实施例中加强筋4013是沿折缝4110朝两侧叠置的,该种折叠方式的好处是可以保持折叠位置包材表面(即容器表面)尽可能的平整,有利于包材表面图案的表达。为了实现该种叠置方式的效果,如图4-5所示,在坯料4100(为了便于对应,这里采用了与实施例4-1同样的标号)上所设置的折痕线进行了调整,即在瓶身和瓶颈部分每一组折叠位都设置了四条折痕线,分别为瓶身位相平行的折痕线4120、4130、4140和4150,以及与上述四条折痕线相连接并设于瓶颈位的折痕线4123、4133、4143和4153,其中,折叠后,折痕线4120和4150贴合,折痕线4123和4153也贴合,折痕线4130到4140的距离等于折痕线4120到4130的距离的两倍,而折痕线4140到4150的距离与折痕线4120到4130的距离相等,同样,折痕线4123、4133、4143和4153之间的距离关系与此类似。这种关系可以满足折叠后,凸出的加强筋4014是平整的。
实施例4-3:
如图4-1和图4-6所示的包装容器结构示意,与实施例4-2不同的是,经折叠后叠置在瓶体内部表面的加强筋4013与折缝4110的关系,具体表现为,实施例4-2中折缝4110处于加强筋4014的中间位,而该实施例4-3中,折缝4110偏向折痕4131一侧;该变化可以满足在拧开瓶体上部的螺纹开口时,由于瓶体受到的扭转力可能会将力分解到叠置的位置处,因而根据折缝4110两侧受力的不同,适当调整加强筋4013相对于折缝4110的位置。具体可以通过调整坯料中各提前压制的折痕线间的距离关系来实现,在此将不作更详细的说明。
实施例4-4:
如图4-7和图4-8所示的包装容器结构示意,与实施例4-2不同的是,经折叠后叠置形成在瓶体表面的加强筋4020是位于包装容器外侧表面的。具体来说,瓶体4002分为上部的瓶颈4022和下部的瓶身4021,两者通过分界线4203分隔,折叠后的包材在瓶颈位形成了加强筋4023,在瓶身位形成了加强筋4020,分别形成两组环绕在瓶体表面沿竖向排列。如图4-8所示,坯料上提前压制的压痕线4220和4250贴合,两者相接处形成了开口朝里的折缝4210,压痕线4230和4240超外,分处折缝4210的两端。加强筋20凸出布置在瓶体的外表面上。该实施例中处于瓶体外部的加强筋20和23不仅可以作为保持包装容器性能的加强筋,同时也可以发挥表面防滑棱的作用。
实施例4-5:
如图4-9至图4-11所示的包装容器结构示意,呈瓶状的包装容器4003的主体部分由片状的包材形成,其中包括上部的瓶颈4032和下部的瓶身4031,在瓶身4031上沿周向间隔设置有若干个经折叠包材本身形成的横向加强筋4033,凸出坯料4300表面 的加强筋4033位于瓶体内部一侧,在瓶体外部表面形成的是一组折缝4310。如图4-10和图4-11所示,在坯料4300上设有多组间隔设置,均匀平行排列的折痕线4320和4330,经过折叠形成图4-10中所示的加强筋4033结构,起到了保护瓶身,减少瓶体损坏的作用。
实施例4-6:
如图4-12和4-13所示的包装容器结构示意,呈瓶状的包装容器4004主体部分由片状的包材形成,包括上部的瓶颈4042和下部的瓶身4041,在瓶身4041周向,沿表面间隔设置有若干个凸出的加强筋4040,该加强筋4040附设在形成所述瓶身4041的包材4400上,呈条带形,通过粘附的形式均匀排列设置在其表面,其材质可以与形成包装容器本身的包材4400的材质类似或相同,也可以是PE等塑性材料。
实施例4-7:
如图4-14所示的包装容器结构示意,呈瓶体形状的包装容器4005的瓶颈4052和瓶身4051经分界线4503分隔,在形成瓶身4051的包材4500表面设有多个横向沿瓶身外缘排列的条带形加强筋4050,其中,沿瓶身4051的下部到上部,加强筋4050的密度逐渐降低,如此设置带来的有益效果是既满足装满液体食品的瓶体上下部位受力的差异(下部大,上部渐小),同时也节省了材料。当然,该处额外贴附的条带式加强筋4050也可以采用实施例4-5中由包材4500折叠叠置的形式来实现,只不过叠置后的加强筋也需设置成下部多上部少的格局。
实施例4-8:
如图4-15所示的包装容器结构示意,在瓶体包装4006的瓶身4061的下部(由瓶身下部1/3到1/2处开始到瓶底)设置了一组附设于瓶体外部的条形带来作为加强筋4060,该组条形带的 布置也遵循下部多上部少的原则。该实施例中针对包装容器在装有液体食品后在同等的包材条件下容器的下部端相较上部段更容器出现破损的现状而设置,不仅起到了加固包装容器,减少破损发生的几率,同时也减少了附加物的材料损耗,降低了成本。
实施例4-9:
如图4-16所示的包装容器结构示意,与实施例4-8相比,在包装容器4007的瓶身4071下部设置的条带形加强筋4070是竖直布置的,并且相互间的间隔是均匀排列的。其起始位是位于瓶身4071下部的1/3到1/2处,终止于瓶底部分。
实施例4-10:
如图4-17所示的包装容器结构示意,呈瓶状的包装容器4008主体由上部的瓶颈4082和下部的瓶身4081组成,两者以分界线4803来划分,并且瓶颈4082和瓶身4081分别由包材形成,与实施例4-5不同的是,形成瓶身的包材经折叠在瓶身4081表面形成的折缝4810是斜的,与实施例4-5中竖向的折缝有所区别。该实施例中折缝4810另一侧通过包材折叠形成的加强筋是处于瓶身4081内侧表面的。由于加强筋相应的也为斜向排列,因此在瓶身竖向的包材接缝处(这里的接缝是指形成瓶身筒形结构的包材坯料相接处,不是指折缝4810)就可以合理的避开由于两个加强筋需要叠置增加封合难度的不足。同样折缝4810及相对应的加强筋的倾斜方向及角度也可以综合考虑打开瓶盖时瓶体转动受力的方向及大小等问题后灵活设置。
同样,也可以沿接缝4810所处的位置,设置类似实施例4-9中在包材表面贴附的形式形成加强筋的形式。
实施例4-11:
如图4-18和4-19所示的包装容器结构示意,呈瓶状的包装容器4009主体由上部的瓶颈4092和下部的瓶身4091组成,分 界线4903作为两者的边界。其中,在形成瓶身部分的包材4900内部埋设有一组组平行排列的条带型加强筋4090。如图4-19所示,层压材料4901和4902在复合时就将条带型加强筋90复合在包材4900内部,这样最终形成的包材4900不仅表面相对光滑,同时其强度和韧性等物理改善明显,有利于最终成型包装容器的质量提升。
当然,在形成包材的各层压材料之间也可以提前埋设网状的加强结构来替代其中的条带型加强筋,例如呈网状的线材。
实施例4-12:
如图4-20所示的包装容器结构示意,呈六棱柱(八面体)的包装容器4910具有六个棱面(即图中的外立面4911),在由外立面4911构成的包体侧壁上有一组组平行的折缝4912,该折缝是经构成侧壁的包材折叠后形成的,其叠置的部分位于包体内侧一端,具体结构可参照实施例4-5,叠置的部分形成了横向的加强筋结构,有利于该容器封装有液态食品时包体侧壁的性能提升。
实施例4-13:
如图4-21所示的包装容器结构示意,包装容器4920的形状为方形(即通常意义上的砖包结构),在其四周的外立面4921和4922上也设有多组横向均匀排列的折缝4923,折缝4923的另一侧形成了有利于保持包体形状的加强筋结构。
本发明提供的上述各包装容器结构,通过多种方式在瓶体上形成了加强筋结构,有力的增加了诸如纸基质的层压材料为原料形成的包装容器,包体在填充有液态食品后,包体容易变形甚至损坏的不足,通过加强筋的方式,在成本提升有限的情况下对包体整体的强度和包材的韧性等性能形成了明显的提升,尤其是对包体较大表面性能的改善明显。
实施例5-1
如图5-1所示的包装容器成形坯料,为一片状层压材料,分上下两部分,上部分为一排齿状物,下部分为一矩形片料,两者经分界线5400相分隔(连接),其中,上部分最终形成了瓶状包装容器的锥台状瓶颈部分,下部分最终形成了瓶状包装容器的圆筒状瓶身部分。其中,每个齿5100包括形成其轮廓的两个齿边5110和5120,齿边5110和5120的形状提前模切而成,相应的,在齿边5110和5120靠里的坯料表面提前设置了压痕线5210和5220,沿压痕线5210和5220折叠,在每一个齿5100的齿边5110和5120处形成具有一定宽度的“出血”(与印刷领域的出血概念相一致),以便于相邻齿边的粘结封合,进而形成一个锥台形的瓶颈结构。具体为,在粘合成形后,齿5100的压痕线5220与相邻齿的压痕线5210贴合,以保证该压痕线5220对应的齿边5120与该压痕线5210对应的齿边5110的贴合。其中,图中最左端的齿的压痕线5210会与最右端的齿的压痕线5220最后贴合在一起,从而实现了该锥台在周向上的衔接。
相应的,矩形5300对应的片料,其最左侧的边缘和最右侧的边缘也会叠置封合在一起,以保证最终形成的圆柱形瓶身的周向封合和衔接。
这里的齿5100整体上为一个等腰梯形的结构,其整体呈长条形,以便于尽量使锥台形瓶颈的口径沿一个相对舒缓的节奏变化。其齿的个数为6到8个为宜,优选8个。齿5100的高度(即等腰梯形的上下两边之间的距离)大致为图中矩形5300的高度的一半。齿5100的高度大致为图中矩形5300的宽度的3到4倍;其中根据实验,成形后的瓶状的直径与锥台部分的高度相等时,成形效果及受力等最好,此时,矩形5300的宽度(即成形后瓶身周长尺寸)正好为齿的高度的π倍。
此外,为了便于后续成形及功能需要,齿5100的齿边5110和5120上可以包覆有防水材料,例如PE条。
其中,这里的坯料为包括纸基层、铝箔层、防水层的层压复合材料。当然表面还可以由形成图案的油墨印刷层或涂层。
本发明提供的上述包装容器成形坯料,通过将现有技术中折叠的部分变更为齿形的片料结构,不仅简化了成型工艺,同时成形后的包装容器其叠置的表面处起伏度相对降低。同时也避免了由于折叠容器时的灭菌死角发生几率较高,不利于包装容器半成品的杀菌处理,进而容器导致坏包,增加食品风险等不足。
本申请所提供的上述包装容器,为了便于观察容器内的盛放物品的状态,可以在包装容器的器身上开设至少一个观察孔,观察孔是一个通孔,在观察孔上密封连接有透明片材,透过透明片材即可观察到容器内盛放物品的状态。如图6-1所示,例如但不限于,包装容器为瓶状容器,观察孔6001设置在瓶身上,观察孔6001可以是位于瓶身上的呈上下延伸的长条孔,也可以是如图6-1所示的,自上而下沿规定线路排布的多个小孔6003,可以通过粘接的方式将相应的透明片材6002、6004粘接在形成包装容器的复合层压材料的表面,当然,也可以粘接在形成复合层压材料的两层压层之间。也即透明片材粘接在压包装材料的两层压层之间,且包装容器的内腔与纸基层分置与透明片材两侧,这样可以避免纸基层受容器内液体物质浸渍而出现泄漏。
此外,上述包装容器是通过本申请的坯料所形成,在本申请所提供的各种坯料(复合层压材料)中,均可以在坯料上预先开设观察孔,并在观察孔上密封连接透明片材。透明片材可以粘接在坯料的表面,也可以粘接在形成坯料的符合层压材料的两复合层之间。如图7-1所示,例如但不限于在坯料的其中一矩形部设置呈长条形的观察孔7001,当然也可以如图7-2所示,在坯料的其中一矩形部设置沿直线延伸的作为观察孔7004的四个小孔。设置小孔的数量、小孔的直径及小孔的排布轨迹可根据实际使用情况确定。

Claims (103)

  1. 一种包装容器,该包装容器部分或全部由包含纸基层的层压复合材料形成,形成的该包装容器至少有部分层压复合材料的断面或表面与相邻包装材料的表面相粘结,其特征在于,在所述粘结处,所述层压复合材料纸基层的纸基质与外部环境经防水材料相阻隔。
  2. 根据权利要求1所述的包装容器,其特征在于,
    所述断面或表面处包覆有防水贴条,所述防水贴条形成用于阻隔所述纸基质与所述外部环境的所述防水材料。
  3. 根据权利要求1所述的包装容器,其特征在于,
    所述层压复合材料的断面为斜切面,所述斜切面与所述相邻包装材料的表面相贴合,所述层压复合材料最外部的层压材料层形成阻隔所述纸基质与所述外部环境的所述防水材料。
  4. 根据权利要求2所述的包装容器,其特征在于,
    所述防水贴条经热封包覆于所述层压复合材料的断面。
  5. 根据权利要求2或4所述的包装容器,其特征在于,
    所述防水贴条为PE条。
  6. 根据权利要求2或4所述的包装容器,其特征在于,
    所述防水贴条为层压材料。
  7. 根据权利要求1-4中任一权利要求所述的包装容器,其特征在于,
    所述包装容器呈瓶状,所述粘结处位于该瓶状包装容器的瓶底部分。
  8. 根据权利要求2所述的包装容器,其特征在于,
    所述包装容器呈瓶状,所述粘结处位于该瓶状包装容器的瓶底部分,所述防水贴条沿圆环形路径包覆于形成所述瓶底与瓶身的相邻两包装材料的相接处。
  9. 根据权利要求3所述的包装容器,其特征在于,
    所述包装容器呈瓶状,所述斜切面形成于形成所述瓶状包装容器瓶身的包装材料的折边的端头,所述斜切面与形成所述瓶状包装容器瓶底的包装材料的下部表面相贴合粘结在一起。
  10. 根据权利要求3或9所述的包装材料,其特征在于,
    所述斜切面的斜切角为45度。
  11. 根据权利要求9所述的包装材料,其特征在于,
    所述斜切面朝向瓶体的外侧。
  12. 一种包装容器,包括由片状层压材料折成的圆筒形瓶身及截锥形瓶颈,所述瓶身及瓶颈由一完整的矩形片状层压材料形成,所述矩形片状层压材料由矩形的第一部分和第二部分组成,相连的所述第一部分和第二部分分别形成所述圆筒形瓶身和截锥形瓶颈,沿所述瓶颈周向间隔设置有经所述第二部分片状层压材料的部分基材折叠形成的一系列叠置在所述瓶颈其中一侧并凸出瓶颈本体面的折叠层,所述瓶颈的另一侧表面形成了一系列相应的折缝,自所述截锥形瓶颈的下部到上部,所述折叠层的折叠量渐宽以保持所述瓶颈的开口渐小,其特征在于,
    凸出瓶颈本体面的所述折叠层至少包括两个端棱,所述两个端棱分处所述相应折缝的两端。
  13. 根据权利要求12所述的包装容器,其特征在于,
    所述折叠层位于该包装容器的内侧端。
  14. 根据权利要求13所述的包装容器,其特征在于,
    所述折叠层位于该包装容器的外侧端。
  15. 根据权利要求12、13或14所述的包装容器,其特征在于,
    在同一水平面,相应折缝距离所述其中一个端棱的距离大于距离另一个端棱间的距离。
  16. 根据权利要求12、13或14所述的包装容器,其特征在于,
    在同一水平面,相应折缝距离两个端棱的距离相等。
  17. 根据权利要求12、13或14所述的包装容器,其特征在于,
    所述层压材料至少包括一层纸基层和一层铝箔层。
  18. 根据权利要求17所述的包装容器,其特征在于,
    所述折叠层与所述瓶颈本体的层压材料经感应加热热封为一体。
  19. 一种制造前述包装容器的坯料,由成卷的片材分割而成,分割后的每一个坯料单元包括相连的第一矩形部和第二矩形部,所述第一矩形部和第二矩形部共用一个矩形边,所述第一矩形部用于形成所述包装容器的圆筒形瓶身,所述第二矩形部用于形成所述包装容器的瓶颈,所述第二部分上设有多组便于所述折叠层叠置的压痕,每一组所述的压痕包括依次排列的第一压痕线、第二压痕线、第三压痕线和第四压痕线,其中,所述四条压痕线的一端端头汇聚于共用的所述矩形边上的一点,所述四条压痕线的另一端端头分散布置在所述第二矩形部与该共用矩形边相对的另一个矩形边上。
  20. 根据权利要求19所述的坯料,其特征在于,
    所述第一和第二压痕线之间形成第一区域,所述第二和第三压痕线之间形成第二区域,所述第三和第四压痕间形成第三区域;所述第一区域和第三区域对称布置。
  21. 根据权利要求20所述的坯料,其特征在于,
    以通过所述汇聚点并垂直于所述共用矩形边的线为参考线,在同一水平面上,所述第一压痕线距离所述参考线的距离为所述第二压痕线距离所述参考线的距离的2倍,所述第四压痕线距离所述参考线的距离为所述第三压痕线距离所述参考线的距离的2倍。
  22. 根据权利要求19所述的坯料,其特征在于,
    以通过所述汇聚点并垂直于所述共用矩形边的线为参考线,在同一水平面上,所述第一压痕线距离所述参考线的距离为所述第二压痕线距离所述参考线的距离的2倍,所述第四压痕线距离 所述参考线的距离为所述第三压痕线距离所述参考线的距离的2倍。
  23. 根据权利要求22所述的坯料,其特征在于,
    所述第一压痕线距离所述参考线的距离小于所述第四压痕线距离所述参考线的距离。
  24. 根据权利要求19所述的坯料,其特征在于,
    所述坯料为层压复合材料,其复合层至少包括一层纸基层和一层铝箔层。
  25. 根据权利要求19-24任一项所述的坯料,其特征在于,所述第一矩形部设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
  26. 根据权利要求25所述的坯料,其特征在于,所述透明片材粘接于所述层压复合材料的表面,或者,所述透明片材粘接于所述层压复合材料的两层压层之间。
  27. 一种包装容器,用于储存液态食品,其中,形成该包装容器主要储存空间的容器壁至少部分由纸基为主的片状层压材料形成,其特征在于,在该容器壁上设有多组经折叠及叠置所述层压材料而成的加强筋条,所述加强筋条凸出所述容器壁。
  28. 根据权利要求27所述的包装容器,其特征在于,
    所述加强筋条横向排列于所述容器壁表面。
  29. 根据权利要求27所述的包装容器,其特征在于,
    所述加强筋条竖向排列于所述容器壁表面。
  30. 根据权利要求27所述的包装容器,其特征在于,
    所述加强筋条斜向排列于所述容器壁表面。
  31. 根据权利要求27至30中任一权利要求所述的包装容器,其特征在于,
    所述加强筋条凸出于所述容器壁内侧表面。
  32. 根据权利要求27至30中任一权利要求所述的包装容器, 其特征在于,
    所述加强筋条凸出于所述容器壁外侧表面。
  33. 根据权利要求27所述的包装容器,其特征在于,
    所述包装容器呈瓶状,所述瓶状包装容器的瓶身由所述层压材料形成。
  34. 根据权利要求27所述的包装容器,其特征在于,
    所述包装容器呈瓶状,所述瓶状包装容器的瓶身和瓶颈均由所述层压材料形成,所述瓶身和瓶颈表面均设有所述加强筋。
  35. 根据权利要求27所述的包装容器,其特征在于,
    叠置而成的所述加强筋相对于折叠处形成的折缝沿折缝的一边折叠而成。
  36. 根据权利要求27所述的包装容器,其特征在于,
    叠置而成的所述加强筋相对于折叠处形成的折缝沿折缝的两边折叠而成。
  37. 根据权利要求36所述的包装容器,其特征在于,
    所述折缝相对叠置而成的所述加强筋居中排列或偏向于其中的一边。
  38. 根据权利要求27所述的包装容器,其特征在于,
    所述包装容器外形为六棱柱包体或砖包结构。
  39. 根据权利要求27所述的包装容器,其特征在于,
    所述层压复合材料经感应加热后叠置封合形成所述加强筋。
  40. 一种制造权利要求27所述包装容器的坯料,其特征在于,
    在层压复合材料的表面提前压制有多组便于折叠后叠置形成所述加强筋结构的压痕线。
  41. 根据权利要求40所述的坯料,其特征在于,
    每组所述压痕线为两条或四条。
  42. 根据权利要求40或41所述的坯料,其特征在于,在层压复合材料上提前设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
  43. 根据权利要求42所述的坯料,其特征在于,所述透明片材粘接于所述层压复合材料的表面,或者,所述透明片材粘接于所述层压复合材料的两层压层之间。
  44. 一种包装容器,主体由片状层压材料形成,其特征在于,
    在由该片状层压材料形成的包装容器的侧壁上设有条状或网状的加强筋结构。
  45. 根据权利要求44所述的包装容器,其特征在于,
    所述加强筋结构设于所述侧壁的内壁或外壁表面。
  46. 根据权利要求44所述的包装容器,其特征在于,
    所述加强筋结构埋设于所述层压材料内部。
  47. 根据权利要求45所述的包装容器,其特征在于,
    所述加强筋由形成所述包装容器侧壁的同一片层压复合材料经部分折叠后叠置形成。
  48. 根据权利要求45所述的包装容器,其特征在于,
    所述加强筋为粘附于形成所述包装容器侧壁的层压复合材料表面的相同包装材料或不同包装材料。
  49. 根据权利要求44所述的包装容器,其特征在于,
    所述加强筋结构的多条条状加强筋沿包装容器周缘均匀排列。
  50. 根据权利要求44所述的包装容器,其特征在于,
    所述加强筋结构的条状加强筋相对包装容器底部走向呈斜向排列、竖向排列或水平排列。
  51. 根据权利要求44所述的包装容器,其特征在于,
    所述加强筋结构设于所述包装容器主要容纳空间对应的侧 壁上。
  52. 根据权利要求44或51所述的包装容器,其特征在于,
    在相应侧壁的下部二分之一至三分之一处始至侧壁底部设有所述加强筋结构。
  53. 根据权利要求50所述的包装容器,其特征在于,
    呈水平排列的多条条状加强筋其相邻加强筋间的间隔由包装容器上部到下部逐渐减小。
  54. 根据权利要求52所述的包装容器,其特征在于,
    呈水平排列的多条条状加强筋其相邻加强筋间的间隔由包装容器上部到下部逐渐减小。
  55. 根据权利要求47所述的包装容器,其特征在于,
    叠置而成的所述加强筋相对于折叠处形成的折缝沿折缝的一边折叠而成。
  56. 根据权利要求47所述的包装容器,其特征在于,
    叠置而成的所述加强筋相对于折叠处形成的折缝沿折缝的两边折叠而成。
  57. 根据权利要求56所述的包装容器,其特征在于,
    所述折缝相对叠置而成的所述加强筋居中排列或偏向于其中的一边。
  58. 根据权利要求57所述的包装容器,其特征在于,
    由上往下看,沿顺时针方向,所述折缝更靠近相应加强筋的前方一侧。
  59. 根据权利要求44所述的包装容器,其特征在于,
    所述包装容器呈瓶状,该瓶状包装容器的瓶身和瓶颈由所述层压复合材料形成。
  60. 根据权利要求59所述的包装容器,其特征在于,
    所述瓶状包装容器的瓶身和瓶颈由同一片层压复合材料形成。
  61. 根据权利要求59或60所述的包装容器,其特征在于,
    在所述瓶身和瓶颈处均设有所述加强筋结构。
  62. 根据权利要求59或60所述的包装容器,其特征在于,
    仅在所述瓶身处设有所述加强筋结构。
  63. 根据权利要求44所述的包装容器,其特征在于,
    所述包装容器外形为六棱柱包体或砖包结构。
  64. 根据权利要求49或63所述的包装容器,其特征在于,
    所述加强筋水平设于包装容器周向外立面上。
  65. 根据权利要求47所述的包装容器,其特征在于,
    所述层压复合材料经感应加热后叠置封合形成所述加强筋。
  66. 一种制造权利要求44所述包装容器的坯料,其特征在于,
    在层压复合材料的表面提前压制有多组便于折叠后叠置形成所述加强筋结构的压痕线。
  67. 根据权利要求66所述的坯料,其特征在于,
    每组所述压痕线为两条或四条。
  68. 根据权利要求67所述的坯料,其特征在于,
    所述坯料包括相连接的第一矩形部和第二矩形部,所述第一矩形部形成瓶状包装容器的瓶颈,所述第二矩形部形成瓶状包装容器的瓶身;设有所述第一矩形部上的单组所述压痕线呈放射状排列,设于所述第二矩形部上的单组所述压痕线呈平行排列,所述第一矩形部和第二矩形部上相应的一组压痕线相交于所述第一矩形部和第二矩形部共用的一条矩形边上,该共用的矩形边最终形成所述瓶状包装容器瓶颈与瓶身的分界线。
  69. 根据权利要求68所述的坯料,其特征在于,在第二矩形部上提前设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
  70. 根据权利要求69所述的坯料,其特征在于,所述透明 片材粘接于所述层压复合材料的表面,或者,所述透明片材粘接于所述层压复合材料的两层压层之间。
  71. 一种制造权利要求44所述包装容器的坯料,其特征在于,
    在层压复合材料复合层间埋设有带状或网状的加强筋。
  72. 根据权利要求71所述的胚料,其特征在于,所述层压复合材料上提前设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
  73. 根据权利要求72所述的坯料,其特征在于,所述透明片材粘接于所述层压复合材料的表面,或者,所述透明片材粘接于所述层压复合材料的两层压层之间。
  74. 一种制造权利要求44所述包装容器的坯料,其特征在于,
    所述层压复合材料表面粘附有带状的加强筋。
  75. 根据权利要求74所述的胚料,其特征在于,所述层压复合材料上提前设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
  76. 根据权利要求75所述的坯料,其特征在于,所述透明片材粘接于所述层压复合材料的表面,或者,所述透明片材粘接于所述层压复合材料的两层压层之间。
  77. 一种包装容器成形坯料,用于形成一瓶状容器的瓶身和瓶颈部分,其特征在于,
    所述坯料为片料,该片料包括下部的一段矩形料和上部的一段齿条形料,所述矩形料的其中一矩形边与所述齿条形料的底边重叠而相连并整体上经由同一片料的不同部分模切而成,所述矩形料用于形成所述瓶状容器的瓶身部分,所述齿条形料用于形成所述瓶状容器的瓶颈部分;所述齿条形料设有一组开口向外的锯齿。
  78. 根据权利要求77所述的包装容器成形坯料,其特征在于,
    所述锯齿齿边内侧端的坯料面上设有便于折叠所述坯料以保持相邻锯齿拼接封合的压痕线。
  79. 根据权利要求77或78所述的包装容器成形坯料,其特征在于,
    所述锯齿的齿形为等腰梯形。
  80. 根据权利要求77或78所述的包装容器成形坯料,其特征在于,
    所述齿条形料上均匀布设有6-8个所述锯齿。
  81. 根据权利要求80所述的包装容器成形坯料,其特征在于,
    所述齿条形料上均匀布设有8个所述锯齿。
  82. 根据权利要求77或78所述的包装容器成形坯料,其特征在于,
    所述锯齿的齿高约为所述矩形料矩形高度的一半。
  83. 根据权利要求77或78所述的包装容器成形坯料,其特征在于,
    所述齿条形料整体长度为所述锯齿齿高的3-4倍。
  84. 根据权利要求77或78所述的包装容器成形坯料,其特征在于,
    所述齿条形料整体长度为所述锯齿齿高的π倍。
  85. 根据权利要求77或78所述的包装容器成形坯料,其特征在于,
    所述锯齿的齿边上包覆有防水材料条。
  86. 根据权利要求77或78所述的包装容器成形坯料,其特征在于,
    所述坯料至少包括纸基层、铝箔层和防水层。
  87. 根据权利要求86所述的包装容器成形坯料,其特征在于,
    所述坯料表面还设有油墨印刷层。
  88. 根据权利要求86所述的包装容器成形坯料,其特征在于,所述胚料上提前设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
  89. 根据权利要求88所述的坯料,其特征在于,所述透明片材粘接于所述坯料的表面,或者,所述透明片材粘接于所述坯料的铝箔层和防水层之间。
  90. 一种包装容器,该包装容器部分或全部由包含纸基层的层压复合材料形成,其特征在于,所述层压复合材料上设置有至少一个观察孔,所述观察孔上密封连接有透明片材。
  91. 根据权利要求90所述的包装容器,其特征在于,所述透明片材粘接在所述层压复合材料的表面,且该表面为所述包装容器的内表面。
  92. 根据权利要求90所述的包装容器,其特征在于,所述透明片材粘接在所述压包装材料的两层压层之间,且所述包装容器的内腔与所述纸基层分置与所述透明片材两侧。
  93. 根据权利要求90-92任一项所述的包装容器,其特征在于,所述包装容器至少有部分层压复合材料的断面或表面与相邻包装材料的表面相粘结,在所述粘结处,所述层压复合材料纸基层的纸基质与外部环境经防水材料相阻隔。
  94. 根据权利要求93所述的包装容器,其特征在于,
    所述断面或表面处包覆有防水贴条,所述防水贴条形成用于阻隔所述纸基质与所述外部环境的所述防水材料。
  95. 根据权利要求93所述的包装容器,其特征在于,
    所述层压复合材料的断面为斜切面,所述斜切面与所述相邻包装材料的表面相贴合,所述层压复合材料最外部的层压材料层形成阻隔所述纸基质与所述外部环境的所述防水材料。
  96. 根据权利要求94所述的包装容器,其特征在于,
    所述防水贴条经热封包覆于所述层压复合材料的断面。
  97. 根据权利要求94所述的包装容器,其特征在于,
    所述防水贴条为PE条。
  98. 根据权利要求94所述的包装容器,其特征在于,
    所述防水贴条为层压材料。
  99. 根据权利要求90-92任一项所述的包装容器,其特征在于,
    所述包装容器呈瓶状,所述粘结处位于该瓶状包装容器的瓶底部分,所述观察孔位于该瓶状包装容器的瓶身上。
  100. 根据权利要求94所述的包装容器,其特征在于,
    所述包装容器呈瓶状,所述粘结处位于该瓶状包装容器的瓶底部分,所述防水贴条沿圆环形路径包覆于形成所述瓶底与瓶身的相邻两包装材料的相接处,所述观察孔位于该瓶状包装容器的瓶身上。
  101. 根据权利要求95所述的包装容器,其特征在于,
    所述包装容器呈瓶状,所述斜切面形成于形成所述瓶状包装容器瓶身的包装材料的折边的端头,所述斜切面与形成所述瓶状包装容器瓶底的包装材料的下部表面相贴合粘结在一起。
  102. 根据权利要求95所述的包装材料,其特征在于,
    所述斜切面的斜切角为45度。
  103. 根据权利要求101所述的包装材料,其特征在于,
    所述斜切面朝向瓶体的外侧。
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