CN214241978U

CN214241978U - Waterproof packaging bag with air exhaust opening at top

Info

Publication number: CN214241978U
Application number: CN202022711879.4U
Authority: CN
Inventors: 朱海永
Original assignee: Yixing Weinite Packaging Bag Co ltd
Current assignee: Yixing Weinite Packaging Bag Co ltd
Priority date: 2020-11-22
Filing date: 2020-11-22
Publication date: 2021-09-21
Anticipated expiration: 2030-11-22

Abstract

The utility model relates to a waterproof packaging bag of gas vent is taken at top, it includes the packaging bag body, the packaging bag body comprises upper base, bag body and going to the bottom be equipped with the feeding cuff in the upper base, they bond fixedly, the packaging bag body is formed by the folding outer waterproof kraft paper layer of kraft paper layer, one deck PE membrane intermediate level and at least one deck in at least one deck, the upper end and the lower extreme in PE membrane intermediate level are connected through the point with rather than adjacent interior kraft paper layer and outer waterproof kraft paper layer the lateral surface of upper base is equipped with connects skin the lateral surface of going to the bottom is equipped with down and connects skin on connecting the skin, the last hem intercommunication of gas vent and upper base. The utility model discloses but waterproof in a period, the bag of being convenient for article shift handle, inside gas outgoing is convenient.

Description

Waterproof packaging bag with air exhaust opening at top

Technical Field

The utility model relates to a wrapping bag, concretely relates to can deal with emergency and make things convenient for carminative waterproof wrapping bag.

Background

At present, a valve bag is one of bag types of a packaging bag in the packaging industry, can be quickly opened and is in butt joint with a material filling nozzle, and the material filling efficiency can be improved. However, under the condition of sudden water, the articles in the bag are difficult to be protected from being damped; in addition, when filling, the bag body is easy to bulge, and the internal gas is not easy to discharge, thereby affecting the whole working efficiency.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims at overcoming the deficiencies in the prior art, providing a waterproof packaging bag that can be waterproof in a period, the interior article of bag of being convenient for shift the processing, inside gas outgoing is convenient top area gas vent.

The technical scheme is as follows: in order to solve the technical problem, a waterproof packaging bag of gas vent is taken at top, it includes the wrapping bag body, the wrapping bag body comprises upper base, bag body and going to the bottom be equipped with the feeding cuff in the upper base, they bond fixedly, the wrapping bag body is formed by at least one deck interior kraft layer, one deck PE membrane intermediate level and at least one deck waterproof kraft layer are folding, the upper end and the lower extreme in PE membrane intermediate level are connected through the point with rather than adjacent interior kraft layer and outer waterproof kraft layer the lateral surface of upper base is equipped with and connects skin the lateral surface of going to the bottom is equipped with down and connects skin on connecting the skin, the last hem intercommunication of gas vent and upper base.

Furthermore, the packaging bag body is formed by folding an inner kraft layer, a PE film middle layer and an outer waterproof kraft layer.

Further, the inner kraft layer is a waterproof kraft layer.

Further, the outer end of the feeding cuff is flush with the side edge of the upper bottom of the packaging bag body.

Further, the exhaust port is arranged in the middle of the upper connecting outer layer in the length direction.

Furthermore, the exhaust port is a long cut opening and is provided with only one.

The utility model discloses in, treat that article fill the back, paste the gas vent with paper and seal.

Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model has reasonable overall structure, the packaging bag body is formed by folding an inner kraft layer, a PE film intermediate layer and an outer waterproof kraft layer, wherein the outer waterproof kraft layer can play a waterproof role for a period of time, when the packaging bag meets emergency, the objects in the bag can be transferred in time to avoid loss, a feeding cuff is arranged in the upper bottom, the feeding is convenient, an exhaust port is arranged on the upper connecting outer layer and is communicated with the upper folded edge of the upper bottom, namely, the exhaust port is communicated with the exhaust channel of the inner kraft layer, the PE film intermediate layer and the outer waterproof kraft layer, the upper end and the lower end of the PE film intermediate layer are connected with the adjacent inner kraft layer and the outer waterproof kraft layer through glue dispensing, the internal gas is rapidly discharged from the interlayer of the inner kraft layer and the PE film intermediate layer and the interlayer of the PE film intermediate layer, thereby effectively preventing the bag body from bulging, the product is reliable in use and meets the actual use requirement.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the upper and lower ends of the middle layer of the PE film.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in figures 1 and 2, the waterproof packaging bag with the vent at the top of the utility model comprises a packaging bag body, wherein the packaging bag body consists of an upper bottom 1, a bag body 2 and a lower bottom 3, a feeding cuff 4 is arranged in the upper bottom 1 and is fixedly bonded with the upper bottom 1, the outer end of the feeding cuff 4 is flush with the side edge of the upper bottom 1 of the packaging bag body, the packaging bag body is formed by folding an inner kraft layer, a PE film intermediate layer 5 and an outer waterproof kraft layer, the inner kraft layer is a waterproof kraft layer, the upper end and the lower end of the PE film intermediate layer 5 are connected with the adjacent inner kraft layer and the adjacent outer waterproof kraft layer through glue 6, an upper connecting outer layer 7 is arranged on the outer side surface of the upper bottom 1, a lower connecting outer layer 8 is arranged on the outer side surface of the lower bottom 3, a vent 9 is arranged in the middle of the upper connecting outer layer 7 in the length direction, the air outlet 9 is communicated with the upper folded edge of the upper bottom 1. The utility model has reasonable overall structure, the packaging bag body is formed by folding an inner kraft layer, a PE film intermediate layer and an outer waterproof kraft layer, wherein the outer waterproof kraft layer can play a waterproof role for a period of time, when the packaging bag meets emergency, the objects in the bag can be transferred in time to avoid loss, a feeding cuff is arranged in the upper bottom, the feeding is convenient, an exhaust port is arranged on the upper connecting outer layer and is communicated with the upper folded edge of the upper bottom, namely, the exhaust port is communicated with the exhaust channel of the inner kraft layer, the PE film intermediate layer and the outer waterproof kraft layer, the upper end and the lower end of the PE film intermediate layer are connected with the adjacent inner kraft layer and the outer waterproof kraft layer through glue dispensing, the internal gas is rapidly discharged from the interlayer of the inner kraft layer and the PE film intermediate layer and the interlayer of the PE film intermediate layer, thereby effectively preventing the bag body from bulging, the product is reliable in use and meets the actual use requirement.

The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.

Claims

1. The utility model provides a waterproof packaging bag of gas vent is taken at top which characterized in that: it includes the wrapping bag body, the wrapping bag body comprises upper base (1), bag body (2) and lower (3) be equipped with feeding cuff (4) in upper base (1), they bond fixedly, the wrapping bag body is formed by at least one deck interior kraft paper layer, one deck PE membrane intermediate level (5) and at least one deck waterproof kraft paper layer are folding, the upper end and the lower extreme of PE membrane intermediate level (5) are connected through some glue (6) rather than adjacent interior kraft paper layer and outer waterproof kraft paper layer the lateral surface of upper base (1) is equipped with and connects outer (7) the lateral surface of lower base (3) is equipped with down connects outer (8) on connecting outer (7) and be equipped with gas vent (9), gas vent (9) and the last hem intercommunication of upper base (1).

2. The vented waterproof package of claim 1, wherein: the packaging bag body is formed by folding an inner kraft layer, a PE film middle layer (5) and an outer waterproof kraft layer.

3. The vented waterproof package of claim 1, wherein: the inner kraft layer is a waterproof kraft layer.

4. The vented waterproof package of claim 1, wherein: the outer end of the feeding cuff (4) is flush with the side edge of the upper bottom (1) of the packaging bag body.

5. The vented waterproof package of claim 1, wherein: the exhaust port (9) is arranged in the middle of the upper connecting outer layer (7) in the length direction.

6. The vented waterproof package of claim 1, wherein: the exhaust port (9) is a long cut opening and is provided with only one.