CN101269716A

CN101269716A - Autoinflation packing box

Info

Publication number: CN101269716A
Application number: CNA2008100868165A
Authority: CN
Inventors: 张瑞洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-22
Filing date: 2008-03-13
Publication date: 2008-09-24
Anticipated expiration: 2028-03-13
Also published as: CN101269716B

Abstract

The invention relates to the technical field of a package box, in particular to an automatic inflation package box which comprises a box body composed of at least two film layers and food level vesicant. A hermetic inflation space is arranged between the two film layers of the box body, the food level vesicant is placed in the inflation space and has a decomposition point of 50 to 100 DEG C. During the storage, the transportation and the preservation, the food level vesicant is not decomposed, the inflation space in the box body is deflated, and the package box can be arbitrarily folded, so that the package box can greatly improve the space use ratio. Compared with the prior package boxes of boxed instant noodles, the package box of the invention reduces over 50 percent of space occupancy, greatly reduces the storage and the transportation costs and is convenient for the storage; during the eating of the instant noodles, the box body is filled with boiled water, the food level vesicant is automatically decomposed, and carbon dioxide is released, so that the box wall slowly erects and then the package box finally becomes a hard box body with convenient use.

Description

A kind of automatic gas flush packaging box

Technical field:

The present invention relates to the packing box technical field, refer in particular to a kind of automatic gas flush packaging box.

Background technology:

The packing box that utilizes PS expanded materials such as (GPPSs) to produce can be used in every field, because packing box is not collapsible or compression, packing box takes up room greatly, storage and traffic cost height.Particularly for box-packed instant noodles, for pursuing lower cost and easy to use, at present, the packing box of box-packed instant noodles is made through foam process with the PS material, though it has the low and advantage easy to use of cost, but PS is the material of not environmental protection, and PS at high temperature can decomposite toxic substance, and PS can not recycle; In addition, box-packed instant noodles are before the payment customer is edible, there is most of space to leave unused in the packing box of box-packed instant noodles, space availability ratio in the packing box is less than 50%, box-packed instant noodles take up room greatly, the warehouse cost of box-packed instant noodles, traffic cost etc. are high, and box-packed instant noodles are deposited inconvenience.

Summary of the invention:

The objective of the invention is to provides a kind of automatic gas flush packaging box at the deficiencies in the prior art, it has solved the current packaging box big problem that takes up room, and has solved particularly that box-packed instant noodles space availability ratio is low, warehouse cost, traffic cost is high and deposit the problem of inconvenience.

For achieving the above object, the present invention is achieved by the following technical solutions: it comprises box body and the food stage foaming agent of being made up of double-layer films at least, form a leak free plenum space between the double-layer films of box body, the food stage foaming agent is placed in this plenum space, and the decomposition point of food stage foaming agent is 50～100 ℃.

Described film is the temperature tolerance poly-mer of environmental protection.

Described film is polyethylene, polypropylene or degradable poly(lactic acid).

The main component of described food stage foaming agent is sodium bicarbonate or Celogen Az.

Described box body comprises at the bottom of box wall and the box, the lower end of box wall be connected at the bottom of the box around, the plenum space of box wall is communicated with plenum space at the bottom of the box.

The local connection between the double-layer films on the described box wall, the local connection between the double-layer films at the bottom of the box.

Beneficial effect of the present invention: automatically the gas flush packaging box comprises box body and the food stage foaming agent of being made up of double-layer films at least, form a leak free plenum space between the double-layer films of box body, the food stage foaming agent is placed in this plenum space, the decomposition point of food stage foaming agent is 50～100 ℃, in storage, transport and deposit in the process, the food stage foaming agent is undecomposed, plenum space in the box body is in shrivelled state, packing box can fold arbitrarily, therefore packing box can increase substantially its space availability ratio, compare with the packing box of existing box-packed instant noodles, after packing has instant noodles, the shared space of packing box of the present invention reduces more than 50%, reduces storage significantly, traffic cost, and deposit conveniently; When the instant face, boiling water is poured in the box body, the food stage foaming agent automatically decomposes and discharges carbon dioxide, the box wall is slowly stood upright, make box body form a goblet, packing box finally forms a crash-resistant splendid attire instant noodles box body that can be used for, and is easy to use.

Description of drawings:

Accompanying drawing 1 is a structural representation of the present invention;

Accompanying drawing 2 is the part sectional view at A place in the accompanying drawing 1;

Accompanying drawing 3 is running condition figure of the present invention;

Accompanying drawing 4 is the cutaway view in B-B cross section in the accompanying drawing 3.

The specific embodiment:

Embodiment sees accompanying drawing 1 to 4, and the gas flush packaging box comprises box body 2 and the food stage foaming agent of being made up of double-layer films 3 automatically, forms a leak free plenum space 4 between the double-layer films of box body 2, and food stage foaming agent 3 is placed in this plenum space 4.

Described box body 2 comprises at the bottom of box wall 5 and the box 6, the lower end of box wall 5 be connected at the bottom of the box 6 around, 6 by being that double-layer films constitutes at the bottom of box wall 5 and the box, the plenum space of box wall 5 is communicated with 6 plenum space at the bottom of the box.

The double-layer films of described box body 2 is two films that fuse, and certainly, the film that box body 2 can also be by the film that constitutes

box wall

5 and 6 film fuses through welding respectively at the bottom of constituting box is formed.

The local connection between the double-layer films of described formation box wall 5, the local connection between 6 the double-layer films at the bottom of the formation box, connect between the double-layer films and can and link together through the plastic sheeting electroplating equipment wielding machine processing of ultrasonic welding or other type, through locally-attached film can constrained box wall 5 and box at the bottom of 6 shape, making swells after its inflation is shaped to goblet.

Through after local the connection, be installed with at least one segment between the double-layer films not through the part of welding between the double-layer films, the plenum space of box wall 5 is still with 6 plenum space at the bottom of the box and is communicated with.The plenum space that is communicated with makes a packing box only need use part food stage foaming agent 3.If a plurality of disconnected plenum spaces of the interior appearance of box body 2 promptly need to calculate according to the volume of each plenum space the amount of the food stage foaming agent 3 that is placed on each plenum space, this is unpractiaca, also makes troubles to production.

Described film is the temperature tolerance poly-mer of environmental protection, film is polyethylene (PE) or polypropylene (PP), polyethylene (PE) or polypropylene (PP) are feature of environmental protection material, harmless, and polyethylene (PE) or the recyclable utilization of polypropylene (PP) meet environmental protection, nontoxic, harmless international trend requirement.

Certainly, described film can also be degradable poly(lactic acid), is commonly called as to be PLA.But the PLA natural degradation is nontoxic, natural environmental protection.

Described food stage foaming agent 3 is the ultralow temperature foaming agent, and the decomposition point of food stage foaming agent 3 is 50～100 ℃.The main component of described food stage foaming agent 3 is a sodium bicarbonate, the decomposition point of sodium bicarbonate is more than 270 ℃, but the decomposition point through the sodium bicarbonate after the allotment can reduce, and the manufacturer of food stage foaming agent 3 can mix the food stage foaming agent 3 with corresponding decomposition point according to requirement of client.

Certainly, the main component of described food stage foaming agent 3 can also be Celogen Az, is commonly called as the AC foaming agent.

In storage, in transportation and the storing process, the temperature of food stage foaming agent 3 does not reach its decomposition point, food stage foaming agent 3 is undecomposed, plenum space 4 in the box body 2 is in shrivelled state, box wall 5 can freely overturn or be folding, as laterally or inboard upset, perhaps vertically folding the contraction, convenient with instant noodles, ingredient bags etc. are packaged in the packing box, and can increase substantially the space availability ratio of packing box, compare with existing box-packed instant noodles, behind the packaged convenience face, the shared space of packing box of the present invention reduces more than 50%, reduces storage significantly, traffic cost, and deposit conveniently.Simultaneously, the cost of packing box of the present invention is lower than the cost of the packing box of existing box-packed instant noodles.

When the instant face, boiling water is poured in the box body 2, because the temperature of boiling water is greater than the decomposition point of food stage foaming agent 3 of the present invention, food stage foaming agent 3 begins to take place chemical reaction, food stage foaming agent 3 decomposes automatically and discharges carbon dioxide, the carbon dioxide that discharges is full of the plenum space 4 of box body 2, box body 2 is slowly risen greatly, along with increasing of carbon dioxide, box wall 5 is slowly stood upright, make box body 2 form a goblet, after 3 decomposition of food stage foaming agent finish, it is maximum that air pressure in the plenum space 4 reach, and the box body 2 final packing boxes that form crash-resistant instant noodles, the box body 2 of this moment have the intensity of the packing box that existing P S material makes, increase the dosage of food stage foaming agent 3 as required, even the intensity that can make box body 2 has the intensity that is higher than the packing box that existing P S material makes, and therefore, it can finish the packing box that substitutes existing box-packed instant noodles.

The air pressure of described plenum space 4 has determined the final strength of packing box, and the air pressure of plenum space 4 depends on the volume of plenum space 4 and the dosage of food stage foaming agent 3, and the specification of the packing box of existing box-packed instant noodles is not of uniform size, and the dosage of food stage foaming agent 3 can determine according to the air pressure of the plenum space 4 of the specification of packing box and setting.

In addition, because in storage and transportation, in the varying environment of different regions, Various Seasonal, temperature has bigger variation, particularly in the freight container environment, the temperature in the collection dress reaches 60～70 ℃ at Gao Shike, for preventing food stage foaming agents 3 decomposition automatically in storage and transportation or in other hot environment in the box body 2, can make instant noodles convenient and swift when edible again, preferably its decomposition point is adjusted in 90 ℃.

Certainly, 6 common backplane that can also make through foam process for PE material or PP material at the bottom of the described box, rather than 6 structures at the bottom of the box that constitutes by double-layer films of the present invention, just the required material of packing box of this kind structure increases, its cost is higher than the packing box of present box-packed instant noodles, can not realize purpose cheaply.

The above only is the preferred embodiment of invention, so all equivalences of doing according to the described structure of application for a patent for invention scope, feature and principle change or modify, is included in the application for a patent for invention scope.

Claims

1, a kind of automatic gas flush packaging box, it is characterized in that: it comprises box body (2) and the food stage foaming agent of being made up of double-layer films at least (3), form a leak free plenum space (4) between the double-layer films of box body (2), food stage foaming agent (3) is placed in this plenum space (4), and the decomposition point of food stage foaming agent (3) is 50～100 ℃.

2, a kind of automatic gas flush packaging box according to claim 1, it is characterized in that: described film is the temperature tolerance poly-mer of environmental protection.

3, a kind of automatic gas flush packaging box according to claim 1, it is characterized in that: described film is polyethylene, polypropylene or degradable poly(lactic acid).

4, a kind of automatic gas flush packaging box according to claim 1, it is characterized in that: the main component of described food stage foaming agent (3) is sodium bicarbonate or Celogen Az.

5, a kind of automatic gas flush packaging box according to claim 1, it is characterized in that: described box body (2) comprises (6) at the bottom of box wall (5) and the box, the lower end of box wall (5) be connected (6) at the bottom of the box around, the plenum space (4) of box wall (5) is communicated with the plenum space (4) of (6) at the bottom of the box.

6, a kind of automatic gas flush packaging box according to claim 5 is characterized in that: the local connection between the double-layer films on the described box wall (5), the local connection between the double-layer films at the bottom of the box on (6).