CN217533933U - Prefabricated bag with inner bag and flexible package finished product - Google Patents

Abstract

The utility model provides a prefabricated bag with inner bag, including outer bag, the material mouth, the inner bag, the material mouth is installed on outer bag and is communicate with the first inner chamber of outer bag, outer bag has an inner bag and places the mouth, the mouth is laid to the inner bag includes two outer bag sealable edges of end to end, the inner bag is located the inner bag and is laid mouthful and the inner bag has the second inner chamber that can put into article, the second inner chamber has article and sends into the opening, article are sent into the opening and include two first inner bag sealable edges of end to end, two first inner bag sealable edges and two outer bag sealable edges one-to-one correspond, and each first inner bag sealable edge links integratively with the outer bag sealable edge that corresponds. The utility model discloses owing to improve the structure, the inner bag that sends into the article of inner bag opening and outer bag lays the oral cavity and overlap and be in the same place and be connected into an organic whole, consequently the manufacturing of the bag of being convenient for in advance can accomplish the filling of inner bag and the sealing of inner bag fast conveniently, and its is rational in infrastructure, easily makes, processes, can improve work efficiency greatly.

Description

Prefabricated bag with inner bag and flexible package finished product

Technical Field

The utility model relates to a prefabricated bag and adopt the flexible package finished product that this kind of prefabricated bag made, more specifically says and relates to a prefabricated bag and flexible package finished product that have an inner bag that can fill in article in the inner bag.

Background

Preformed bags, i.e. preformed packages (not filled with material). Generally, after the prefabricated bags are processed on a bag making production line, the prefabricated bags are sequentially sent to a filling production line for filling materials, and then sealed (an opening for filling the materials is sealed without a material nozzle, and a sealing cover is installed with the material nozzle) to obtain a flexible package finished product and send the flexible package finished product out. However, such a conventional prefabricated bag has only one bag body and a material nozzle, and the material nozzle is mounted on the bag body and is generally used for filling materials (mainly liquid, solid particles and other materials) into the bag body.

In order to produce the prefabricated bag with the structure, the conventional production method is that an inner bag manufacturing device, a device for loading materials into an inner bag, a device for conveying the inner bag and a device for conveying the inner bag into an outer bag are added in the conventional bag production line, and the processing steps of manufacturing the inner bag, conveying the inner bag and conveying the inner bag into the outer bag are added in the bag production process, so that the purpose of loading the inner bag into the prefabricated bag is realized.

However, the method needs to greatly modify the production equipment, and the production method also has the problems of greatly increased steps, large modification and low production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose provides a prefabricated bag with inner bag, and this kind of prefabricated bag with inner bag is rational in infrastructure, and the filling that can accomplish the inner bag fast conveniently and the sealing of inner bag, outer bag is convenient for make. The technical scheme is as follows:

the utility model provides a prefabricated bag with inner bag, includes outer bag, material mouth, inner bag, the material mouth install outer bag and with outer bag first inner chamber intercommunication, its characterized in that: the outer bag is provided with an inner bag placing opening, the inner bag placing opening comprises two outer bag sealable edges which are connected end to end, the inner bag is located in the inner bag placing opening, the inner bag is provided with a second inner cavity which can be used for placing articles, the second inner cavity is provided with an article feeding opening, the article feeding opening comprises two first inner bag sealable edges which are connected end to end, the two first inner bag sealable edges are in one-to-one correspondence with the two outer bag sealable edges, and the first inner bag sealable edges are connected with the corresponding outer bag sealable edges into a whole. After the prefabricated bag with the structure is processed on the bag manufacturing production line, the prefabricated bag is sent to a packaging production line, the material filling equipment and/or the material feeding equipment feed articles and/or materials (various articles and/or materials to be stored in the inner bag) into the inner bag through the article feeding opening for packaging, the sealing equipment feeds the articles into two first inner bag sealable edges (inner bag placing openings) of the opening for sealing (realized by adopting a heat sealing or bonding method), and the article feeding opening sealing of the inner bag and the inner bag placing opening sealing of the outer bag can be simultaneously completed. The producer/user can then choose to fill the first inner cavity of the outer bag with material (e.g., hot water, etc.) through the spout as needed to meet different needs.

According to a preferable scheme, the inner bag is a water-proof bag, and the water-proof bag is made of a thin film capable of effectively resisting water. The film can be selected from food-grade PP, PE film or composite film, and the like, and can be selected from food-usable films for packaging food materials.

In a preferred embodiment, the inner bag is a filter bag made of non-woven fabric or filter screen capable of allowing liquid to enter and exit (i.e., water is not blocked).

In a preferred scheme, the prefabricated bag further comprises a sealing cover, and the sealing cover is arranged on the material nozzle and seals the material nozzle.

Preferably, the inner bag is provided with a deflation channel or a one-way air valve which can be communicated with the outside.

The better scheme, the inner bag includes two inner bag lateral wall units, two inner bag lateral wall units are end to end in proper order and constitute slice annular inner bag body, slice annular inner bag body left end is the article and sends into the opening, slice annular inner bag body right-hand member is right side inner bag opening, outer bag includes two outer bag lateral wall units, two outer bag lateral wall unit left and right sides have an outer bag sealable side respectively, article send into two open-ended first inner bag sealable sides respectively with two outer bag sealable sides on the left of outer bag lateral wall unit one-to-one, each mutually corresponding first inner bag sealable side, outer bag sealable side links up integratively, right side inner bag opening includes two end to end's second inner bag sealable sides, two outer bag sealable sides on the right side of outer bag lateral wall unit link up integratively. The prefabricated bag of this structure is more convenient to manufacture.

The second objective of the present invention is to provide a finished product of the flexible package made of the above prefabricated bag with an inner bag, which can rapidly and conveniently complete the filling of the inner bag and the sealing of the inner bag and the outer bag. The technical scheme is as follows:

a flexible package finished product made of the prefabricated bag with the inner bag comprises the prefabricated bag and is characterized in that: the two sealable edges of the first inner bag of the article feeding opening are connected into a whole, so that the article feeding opening of the inner bag is sealed, the inner bag placing opening of the outer bag is sealed, and at least one article is stored in the second inner cavity of the inner bag.

In a first aspect, a vacuum is provided within the first interior chamber of the outer bag. Therefore, the sanitary condition of the first inner cavity can be ensured, and the storage and transportation device is suitable for long-time storage and transportation. When the device is used, the sealing cover is opened, and water is injected through the material nozzle.

In a second aspect, the first interior chamber of the outer bag has a gas therein. The gas may be air, an inert gas, or the like.

In a third aspect, a fluid material is stored within the first interior chamber of the outer bag.

Compared with the prior art, the utility model beneficial effect is that, owing to improve the structure, the inner bag that sends into the article of inner bag opening and outer bag lays the gum and is linked together and integrative, and the filling of inner bag and the sealing of inner bag can be accomplished fast conveniently to the manufacturing of the bag of consequently being convenient for of prefabricated, and its is rational in infrastructure, easily makes, processes, can improve work efficiency greatly.

Drawings

FIG. 1 is a schematic diagram of a preformed bag according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the prefabricated bag of the embodiment shown in FIG. 1;

FIG. 3 is an exploded view of a prefabricated bag of the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of an intermediate state of the bag-making process of the embodiment of FIG. 1;

FIG. 5 is a schematic view of the embodiment of FIG. 1 after the preformed bag has been inserted into the blister and quicklime powder;

FIG. 6 is a side view of the completed flexible package made from the preformed bag of FIG. 5;

fig. 7 is a front elevational view of the finished flexible package of fig. 6;

FIG. 8 is an elevation view of a preformed bag according to one embodiment of the present invention;

FIG. 9 is an exploded view of the prefabricated bag of FIG. 8;

FIG. 10 is a cross-sectional view of the completed flexible package made from the preformed bag of FIG. 8;

fig. 11 is a cross-sectional view of the finished flexible package of fig. 10 after water injection;

fig. 12 is a cross-sectional view of a preformed bag according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1, the prefabricated bag 5 with an inner bag of the present application includes an outer bag 1, a material nozzle 2, and an inner bag 3, wherein the material nozzle 2 is installed on the outer bag 1 and is communicated with a first inner cavity 101 of the outer bag 1, the outer bag 1 has an inner bag placing opening 102, the inner bag placing opening 102 includes two outer bag sealable edges 1021 connected end to end, the inner bag 3 is located in the inner bag placing opening 102, the inner bag 3 has a second inner cavity 301 capable of placing an article, the second inner cavity 301 has an article feeding opening 3011, the article feeding opening 3011 includes two first inner bag sealable edges 30111 connected end to end, the two first inner bag sealable edges 30111 correspond to the two outer bag sealable edges 1021 one to one, and each first inner bag sealable edge 30111 is connected with the corresponding outer bag sealable edge 1021.

As shown in fig. 1, the inner bag 3 may be a water-proof bag.

In an alternative embodiment, as shown in fig. 1, the water-barrier bag is made of a film that is effective in blocking water. The film can be selected from food-grade PP, PE film or composite film, and can be selected from films available for food material packaging. In this example, PE/AL/NY/PE (composite film) was selected.

As shown in fig. 8, the inner bag 3 may be a filter bag.

In an alternative embodiment, as shown in figure 8, the filter bag is made of a non-woven fabric that allows the passage of liquids (i.e. does not block water).

In an alternative embodiment, the water-proof bag for storing solid materials is made of a filter screen.

As shown in fig. 8 and 9, in an alternative embodiment, the inner bag 3 includes two inner bag sidewall units 302, the two inner bag sidewall units 302 are sequentially connected end to form a sheet-shaped annular inner bag body 303, the left end of the sheet-shaped annular inner bag body 303 is an article feeding opening 3011, the right end of the sheet-shaped annular inner bag body 303 is a right inner bag opening 304, the outer bag 1 includes two outer bag sidewall units 103, the left and right sides of the two outer bag sidewall units 103 are respectively provided with an outer bag sealable edge 1021, the two outer bag sealable edges 1021 at the left end form an inner bag placing opening 102, the two first inner bag sealable edges 30111 of the article feeding opening 3011 respectively correspond to the left outer bag sealable edges 1021 of the two outer bag sidewall units 103 one to one, the first inner bag sealable edges 30111 and the outer bag sealable edges 1021 corresponding to each other are connected into a whole, the right inner bag opening 304 includes two inner bag sealable edges 3041, 3041 and 1021 four outer bag sealable edges on the right side of the two outer bag sidewall units 103 are connected into a whole. The prefabricated bag 5 of this construction is easy to manufacture.

As shown in fig. 1-4, an alternative embodiment, this embodiment differs from the embodiment of fig. 2 in that: the right inner bag openings 304 at the right end of the inner bag 3 sheet ring-shaped inner bag body 303 are bonded and sealed with each other, and they are not integrated with the outer bag sealable edges 1021 at the right side of the two outer bag sidewall units 103. The inner bag of this embodiment is short in width.

As shown in fig. 8, in an alternative embodiment, the prefabricated bag 5 further includes a sealing cover 4, and the sealing cover 4 is mounted on the nozzle 2 to seal the nozzle 2.

Referring to fig. 6 and 7, in an alternative embodiment, a finished flexible package is made of the above-mentioned prefabricated bag 5 having an inner bag 3, comprising the above-mentioned prefabricated bag 5, wherein two first inner bag sealable edges 30111 of an article feeding opening 3011 are integrally connected, so that the article feeding opening 3011 of the inner bag 3 is sealed and the inner bag placing opening 102 of the outer bag 1 is sealed, and at least one article is stored in the second inner cavity 301 of the inner bag 3.

As shown in fig. 6 and 7, in an alternative embodiment, a water bubble 6 filled with water and quicklime powder 7 capable of dissipating heat with water are stored in a second inner cavity 301 of the inner bag 3. In other alternative embodiments, other items and/or materials may be stored in the second interior cavity 301 of the inner bag 3.

As shown in fig. 10, in an alternative embodiment, tea leaves 8 are stored in the second inner cavity 301 of the inner bag 3. In this embodiment, the inner bag 3 is made of non-woven fabric that can let liquid go in and out (i.e. cannot block water), so that when in use, after the water 9 is injected into the outer bag, tea water can be soaked out for drinking by a user, as shown in fig. 11. In other alternative embodiments, other items and/or materials may be stored in the second interior cavity 301 of the inner bag 3.

In an alternative embodiment, the first inner chamber 101 of the outer bag 1 is evacuated. Thus, the sanitary condition of the first inner cavity 101 can be ensured, and the storage and transportation device is suitable for long-time storage and transportation. When in use, the sealing cover 4 is opened, and water is injected through the material nozzle 2.

In an alternative embodiment, the first inner chamber 101 of the outer bag 1 has a gas therein. The gas may be air, an inert gas, or the like.

In an alternative embodiment, the first inner chamber 101 of the outer bag 1 contains a liquid material. In this embodiment, the liquid material is water.

In the embodiment of fig. 1 and the embodiment of fig. 8, the inner bag placing openings 102 are provided on the left side edge of the outer bag 1, and the article feed openings 3011 are provided on the left side edge of the inner bag 3.

In an alternative embodiment, the inner bag receiving openings 102 are provided on the bottom edge of the outer bag 1, and the article feed openings 3011 are provided on the bottom edge of the inner bag 3.

The prefabricated bag 5 itself may be a three-sided sealed bag, a self-standing bag, or a flexible packaging bag of other structure, and the inner bag 3 may be inserted as long as the outer bag 1 has the inner bag receiving opening 102.

In an alternative embodiment, as shown in fig. 12, the inner bag 3 has a vent channel 305 that can communicate with the outside. Thus, the desired prefabricated bag 5 can be obtained by simply modifying the structure of the inner bag 3 of the prefabricated bag 5 of fig. 8. In this embodiment, the air bleed passage 305 is "Z" shaped. The air bleed channel 305 may also take other shapes, such as an "s" shape. The design of such a shape is to effectively prevent the solid material in the inner bag 3 from leaking while ensuring the exhaust function.

In an alternative embodiment, the inner bag 3 has a one-way air valve which can be vented to the outside.

The following packaging process is described in connection with fig. 1-7:

after the outer bag 1 and the inner bag 3 are respectively processed, the inner bag 3 is inserted into the outer bag 1, and two first inner bag sealable edges 30111 for feeding articles into the opening 3011 correspond to two outer bag sealable edges 1021 of the inner bag placing opening 102 one by one, as shown in fig. 4. Each first inner pouch sealable edge 30111 is then integrally connected to a corresponding outer pouch sealable edge 1021, resulting in a preformed pouch 5 as shown in fig. 1.

After the prefabricated bag 5 is processed on the bag-making production line, the prefabricated bag is sent to a packaging production line.

The material filling device and the article feeding device respectively feed articles and materials (various articles and materials to be stored in the inner bag 3) into the inner bag 3 through the article feeding opening 3011 for packaging, in this embodiment, the articles are blisters 6, and the materials are quicklime powder 7, as shown in fig. 5;

the sealing device seals the two sealable edges 30111 (inner bag placement openings 102) of the first inner bag of the article feeding opening 3011 (by heat sealing or adhesion), so that the article feeding opening 3011 of the inner bag 3 and the inner bag placement opening 102 of the outer bag 1 can be sealed at the same time, as shown in fig. 6.

The producer/user can then choose to fill the first inner cavity 101 of the outer bag 1 with material (e.g. water 9, etc.) through the spout 2 as required to meet different needs, as shown in fig. 7. Because the inner bag 3 is made of a PP film, the material of the embodiment is water 9, a user can extrude the water bubbles 6 in the inner bag 3 through the outer bag 1 to break the water bubbles, the water in the water bubbles 6 flows out to be in contact reaction with the quicklime powder 7 to emit a large amount of heat, the water in the first inner cavity 101 of the outer bag 1 is heated to obtain hot water with higher temperature, and the user can obtain the required hot water.

The embodiment of fig. 8-11 differs from the embodiment of fig. 1-7 in that: the inner bag 3 is made of non-woven fabric, and tea leaves are stored in the inner bag, so that hot water is injected into the first inner cavity 101 of the outer bag 1, and the tea water can be obtained.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (9)

1. The utility model provides a prefabricated bag with inner bag, includes outer bag, material mouth, inner bag, the material mouth install outer bag and with outer bag first inner chamber intercommunication, its characterized in that: the outer bag is provided with an inner bag placing opening, the inner bag placing opening comprises two outer bag sealable edges which are connected end to end, the inner bag is positioned in the inner bag placing opening and is provided with a second inner cavity capable of placing articles, the second inner cavity is provided with an article feeding opening, the article feeding opening comprises two first inner bag sealable edges which are connected end to end, the two first inner bag sealable edges are in one-to-one correspondence with the two outer bag sealable edges, and each first inner bag sealable edge is connected with the corresponding outer bag sealable edge into a whole; the inner bag comprises two inner bag side wall units, the two inner bag side wall units are sequentially connected end to form a sheet annular inner bag body, the left end of the sheet annular inner bag body is a product feeding opening, the right end of the sheet annular inner bag body is a right inner bag opening, the outer bag comprises two outer bag side wall units, the left side and the right side of each two outer bag side wall units are respectively provided with an outer bag sealable edge, the two first inner bag sealable edges of the product feeding opening are respectively in one-to-one correspondence with the left outer bag sealable edges of the two outer bag side wall units, the first inner bag sealable edges which correspond to each other, the outer bag sealable edges are connected into a whole, the right inner bag opening comprises two second inner bag sealable edges which are connected end to end, the two second inner bags sealable edges, and the outer bag sealable edges on the right side of the two outer bag side wall units are connected into a whole.

2. The prefabricated bag with an inner bag according to claim 1, wherein: the inner bag is a water-proof bag, and the water-proof bag is made of a film capable of effectively resisting water.

3. The prefabricated bag with an inner bag according to claim 1, wherein: the inner bag is a filter bag which is made of non-woven fabrics or filter screens allowing liquid to enter and exit.

4. The prefabricated bag with an inner bag according to claim 1, wherein: the prefabricated bag further comprises a sealing cover, and the sealing cover is arranged on the material nozzle and seals the material nozzle.

5. The prefabricated bag with an inner bag according to claim 1, wherein: the inner bag is provided with an air discharge channel or a one-way air valve which can be communicated with the outside.

6. A finished flexible package made of preformed bags according to claim 1, comprising said preformed bag, wherein: the two sealable edges of the first inner bag of the article feeding opening are connected into a whole, so that the article feeding opening of the inner bag is sealed, the inner bag placing opening of the outer bag is sealed, and at least one article is stored in the second inner cavity of the inner bag.

7. The finished flexible package of claim 6 comprising said preformed bag, wherein: the first inner cavity of the outer bag is vacuum.

8. The finished flexible package of claim 6 comprising said preformed bag, wherein: the first inner cavity of the outer bag has a gas therein.

9. The finished flexible package of claim 6 comprising said preformed bag, wherein: the first inner cavity of the outer bag is filled with liquid materials.

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