CN214325854U

CN214325854U - Microwave heating automatic deflation packaging bag

Info

Publication number: CN214325854U
Application number: CN202023118462.3U
Authority: CN
Inventors: 李桂芳
Original assignee: Huizhou Logos Packaging Material Co ltd
Current assignee: Huizhou Logos Packaging Material Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-10-01
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a microwave heating automatic deflation packaging bag, which comprises a bag body for containing food, wherein the bag wall of the bag body is a composite film, the two sides of the bag body are provided with inward folding organ faces, the middle part of the bag body is provided with a middle seal, the top of the bag body is provided with a bag opening, the bottom of the bag body is provided with a bottom seal, the bottom seal comprises an exhaust hole and a heat sealing area, the exhaust hole and the heat sealing area are arranged side by side, and the heat sealing area is formed by hot-pressing and bonding the composite film; the microwave oven has the advantages that the microwave oven can be directly heated, the automatic exhaust can be realized, the use is safe, and the problem of potential safety hazards caused by food sputtering in the microwave oven due to expansion and burst of the bag body is avoided.

Description

Microwave heating automatic deflation packaging bag

Technical Field

The utility model relates to a food package bag technical field especially relates to an automatic gassing wrapping bag of microwave heating.

Background

More and more snack foods use paper bags as packaging bags for foods, such as hamburgers, meat sandwich films, hand-held snacks, the foods are sold in all markets and convenience stores, the foods are sealed and packaged in bags and are placed in a refrigerated cabinet for sale, after consumers choose foods, the packaging bag is put into a microwave oven together for heating, the eating is very convenient, in order to achieve the purpose that the packaging bag can automatically exhaust air during microwave heating, most of merchants usually open an exhaust hole on the packaging bag, but the integrity of the bag is damaged, the taste of food is easily influenced by flavor channeling, meanwhile, people generally do not pay special attention to the position of the vent hole when placing the packaging bag in microwave heating, if the contents in the packaging bag contain a certain amount of grease, in the microwave heating process, grease is easy to seep into the microwave oven through the exhaust holes, so that the microwave oven is polluted and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to directly use not convenient enough after the exhaust hole microwave heating on the present wrapping bag, provide an automatic gassing wrapping bag of microwave heating, this structure can realize at microwave oven direct heating, can self-bleeding, comparatively safe, convenient during the use.

The utility model provides a concrete scheme as follows:

the utility model provides an automatic gassing wrapping bag of microwave heating, is including the bag body that is used for splendid attire food, the bag wall of bag body is the complex film, bag body both sides are provided with inside folding organ face, bag body middle part is provided with well sealing, bag body top is provided with the sack, bag body bottom is provided with the end seal, the end seal is including exhaust hole and heat-seal district, and exhaust hole and heat-seal district set up side by side, the heat-seal district is formed by complex film hot pressing bonding.

The design concept of the technical scheme is that the bottom seal of the packaging bag is provided with the exhaust hole and the heat sealing area, and water vapor generated by food in the bag body is exhausted out of the bag body through the exhaust hole by microwave heating, so that the pressure relief effect is achieved, and the problem of potential safety hazard caused by food sputtering in the microwave oven due to expansion and burst of the bag body is avoided.

Furthermore, the heat sealing area is formed by closely bonding the composite films on the inner side and the outer side in a hot pressing mode; the exhaust hole and the heat-seal area are arranged on the bottom seal side by side, which is different from the mode of directly opening the exhaust hole on the bag body of the packaging bag in the past, thereby ensuring the integrity of the packaging bag and realizing automatic exhaust.

Further, the exhaust hole is cylindric structure, also can be triangle toper form hole or other shape holes, the utility model discloses do not restrict to the shape in exhaust hole.

Furthermore, the number of the exhaust holes is one; the exhaust effect can be realized while the bag making cost is saved.

Further, the width of the exhaust hole is 6-10 mm; when the packaging bag is heated by microwave, the air can be freely exhausted, the effect of quickly and stably exhausting air is achieved, if the width of the exhaust hole is too small, the exhaust speed is too slow, and the possibility that the food is polluted by water drops is increased; the width of the vent hole is too large, so that the vent hole is broken by gas in a large area, the venting speed is too high, the food loses too much water, and the taste of the food is affected.

Further, the exhaust hole is arranged close to the middle seal; the utility model discloses do not limit to the concrete position in exhaust hole.

Further, the composite film comprises a first film layer, an adhesive layer and a second film layer which are laminated from outside to inside.

Specifically, the adhesive layer adheres the first film layer and the second film layer.

Preferably, the first film layer is a kraft paper layer, the bonding layer is a polyurethane layer, the second film layer is a polypropylene layer, the bonding layer bonds the first film layer and the second film layer, and a gloss oil layer is further arranged between the first film layer and the bonding layer; the kraft layer has the characteristics of environmental protection and simplicity, and the polypropylene layer enables the waterproof sealing performance of the packaging bag to be better; the gloss oil layer endows the kraft paper with oil resistance and moisture resistance, prevents oil stains from permeating the paper to influence the appearance, can effectively improve the fiber water repellency, and improves the surface temperature resistance of the kraft paper without influencing the printing performance.

Further, the sealing member that the inboard fixedly connected with of bag body top near sack one end can open or closed bag body is convenient for place food in the bag body toward the sack, facilitates the use, can realize self-bleeding again when having guaranteed the integrality of wrapping bag.

Furthermore, the outer side wall of the bottom seal is provided with an easy-to-tear opening.

Further, at least one easy-tear opening is formed.

Furthermore, the shape of easily tearing the mouth is the shape of falling the U, the utility model discloses do not do the restriction to the concrete shape of easily tearing the mouth.

The utility model provides a pair of automatic gassing wrapping bag of microwave heating has following technological effect:

1. through the arrangement of the vent holes, the pressure in the packaging bag can be reduced in a gas removing mode when the gas pressure in the packaging bag is overlarge, so that the use safety of the packaging bag is ensured; place the wrapping bag in microwave oven heating, when heating to a certain degree, the steam body that the food heating produced in the wrapping bag can lead to the wrapping bag inflation, and when reaching certain pressure, gas is broken and is carried out the exhaust through the exhaust hole and arrange the pressure.

2. The composite film comprises a first film layer, an adhesive layer and a second film layer which are laminated from outside to inside, wherein the film layers are kept intact all the time in the heating process and are nontoxic; the first film layer is a kraft paper layer, the bonding layer is a polyurethane layer, the second film layer is a polypropylene layer, the bonding layer bonds the first film layer and the second film layer, and a gloss oil layer is arranged between the first film layer and the bonding layer; the kraft layer has the characteristics of environmental protection and simplicity, and the polypropylene layer enables the waterproof sealing performance to be better; the gloss oil layer endows the kraft paper with oil resistance and moisture resistance, prevents oil stains from permeating into the paper to influence the appearance, can effectively improve the fiber water repellency, and improves the surface temperature resistance of the kraft paper while not influencing the printing performance; the material that contacts with food is nontoxic material, can effectively strengthen this microwave heating automatic deflation wrapping bag's safety in utilization, simultaneously, this kind of wrapping bag's simple structure, and process control is comparatively simple, is favorable to reduce cost.

3. The two sides of the bag body of the microwave heating automatic deflation packaging bag are provided with the inward-folded organ faces, so that the occupied space is reduced, and the bag body is opened to be in a three-dimensional shape, so that the accommodating space of the bag body is increased.

Drawings

Fig. 1 is a schematic structural view of a microwave heating automatic deflation packaging bag according to embodiment 1 of the present invention;

fig. 2 is an expanded schematic view of a microwave heating automatic deflation packaging bag according to embodiment 1 of the present invention;

wherein, 1 is a bag body, 11 is a middle seal, 12 is a bag opening, 13 is a bottom seal, 131 is an exhaust hole, 132 is a heat sealing area, and 14 is an easy-tearing opening.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to better understand the advantages and features of the present invention, and to define the scope of the present invention more clearly.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "head", "tail", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

Example 1

Referring to fig. 1-2, the present embodiment provides a microwave heating automatic deflation packaging bag, including a bag body 1 for containing food, specifically, the food is solid food, wherein a bag wall of the bag body 1 is a composite film, the composite film includes a first film layer, an adhesive layer and a second film layer stacked from outside to inside, specifically, the first film layer is a kraft layer, the adhesive layer is a polyurethane layer, the second film layer is a polypropylene layer, the adhesive layer bonds the first film layer and the second film layer, a gloss oil layer is further disposed between the first film layer and the adhesive layer, the kraft layer has the characteristics of environmental protection and simplicity, the adhesive layer only needs to bond the first film layer and the second film layer to prevent the layers from being separated from each other, for example, commercially available glue can be used; the polypropylene layer enables the waterproof sealing performance to be better, the gloss oil layer is printed on the surface of the kraft paper layer, the gloss oil layer is low-odor high-brightness gloss oil taking alcohol and ester as solvents, the gloss oil layer enables the kraft paper to be oil-proof and moisture-resistant, oil stains are prevented from permeating the paper to influence the appearance, the fiber water repellency can be effectively improved, and the surface temperature resistance of the kraft paper layer is improved while the printing performance is not influenced; the materials adopted by the composite membrane are all the existing materials and are only used as the application.

The bag is characterized in that inwards folded organ faces are arranged on two sides of the bag body 1, the middle part of the bag body 1 is provided with a middle seal 11, the middle seal is a folded edge formed by heat-sealing and bonding of a composite film, the top of the bag body 1 is provided with a bag opening 12, the bottom of the bag body 1 is provided with a bottom seal 13, the bottom seal 13 comprises an exhaust hole 131 and a heat-sealing area 132, the exhaust hole 131 and the heat-sealing area 132 are arranged side by side, and the heat-sealing area 132 is formed by heat-pressing and bonding of the composite film.

Wherein, the exhaust hole 131 is a cylindrical structure to ensure stable exhaust, and the exhaust hole can also be a triangular cone-shaped hole or other shaped holes.

The number of the exhaust holes 131 is 1, it is understood that the number of the exhaust holes is not limited to 1, and may be 2, 3, and the like, and in the present embodiment, in consideration of cost saving and realization of the exhaust effect, the number of the exhaust holes is 1 in priority.

The width of the vent hole 131 is 6-10mm, and in this embodiment, the width of the vent hole 131 is 8 mm.

The exhaust hole 131 is close to the middle seal 11, specifically, the exhaust hole can be arranged at the left side position close to the middle seal, and also can be arranged at the right side position, which is beneficial to guiding the gas to flow towards the bottom seal.

It should be noted that the inner side of the top of the bag body 1 near the bag opening 12 is fixedly connected with a sealing member capable of opening or closing the bag body, the sealing member can adopt a sealing structure of a self-sealing bag in the prior art to realize repeated opening, so that food can be conveniently placed in the bag body towards the bag opening, and the use is convenient.

The outer side wall of the bottom seal 13 is provided with an easy-to-tear opening 14, wherein the easy-to-tear opening 14 is in an inverted U shape, and one easy-to-tear opening 14 is convenient for tearing the sealed microwave heating automatic deflation packaging bag along the easy-to-tear opening.

The automatic gassing wrapping bag of microwave heating that this embodiment provided places the wrapping bag and heats in microwave oven, when heating to a certain extent, the steam that food heating produced in the wrapping bag can lead to the wrapping bag inflation, when reaching certain pressure, gaseous rushing out to exhaust through the exhaust hole and arrange the pressure, avoided bag body inflation to burst and lead to food sputtering in microwave oven, cause the problem of potential safety hazard, realize at microwave oven direct heating, can exhaust automatically, it is comparatively safe during the use.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an automatic gassing wrapping bag of microwave heating, its characterized in that, is including bag body (1) that is used for splendid attire food, the bag wall of bag body (1) is the complex film, bag body (1) both sides are provided with inward folding's piano face, bag body (1) middle part is provided with well seal (11), bag body (1) top is provided with sack (12), bag body (1) bottom is provided with end seal (13), end seal (13) are including exhaust hole (131) and heat-seal district (132), and exhaust hole (131) and heat-seal district (132) set up side by side, heat-seal district (132) are formed by complex film hot pressing bonding.

2. The microwave heating automatic air release packaging bag as claimed in claim 1, wherein the air release hole (131) is a cylindrical structure.

3. The microwave heating automatic air discharge packaging bag according to claim 1, wherein the number of the air discharge holes (131) is one.

4. The microwave heating automatic air release packaging bag according to claim 1, wherein the width of the air vent (131) is 6-10 mm.

5. The microwave heating automatic air release packaging bag according to claim 1, wherein the air vent (131) is arranged close to the middle seal (11).

6. The microwave heating automatic air release packaging bag according to claim 1, wherein the composite film comprises a first film layer, an adhesive layer and a second film layer which are laminated from outside to inside.

7. The microwave heating automatic deflation packing bag of claim 1, wherein the inner side of the top of the bag body (1) near one end of the bag opening (12) is fixedly connected with a sealing piece which can open or close the bag body.

8. The microwave heating automatic air release packaging bag as claimed in claim 1, wherein the outer side wall of the bottom seal (13) is provided with a tear-off opening (14).

9. The microwave heating automatic air release packaging bag as claimed in claim 8, wherein at least one of the easy-tear openings (14) is provided.

10. The microwave heating automatic air release packaging bag according to claim 8, wherein the easy-tear opening (14) is in the shape of an inverted U.