CN216888034U

CN216888034U - High-strength bottom anti-cracking paper bag

Info

Publication number: CN216888034U
Application number: CN202220629030.9U
Authority: CN
Inventors: 松桥季也
Original assignee: Taixing Paper Bag Co ltd
Current assignee: Taixing Paper Bag Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-05
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a high-strength bottom anti-cracking paper bag, which comprises: the container bag main part, the withdrawal rope and paste enhancement paster and the leak protection area of being fixed in container bag main part surface, the leak protection is pasted the both ends that the area is I-shaped structure and leak protection and is extended to the left and right sides of container bag main part, is equipped with sticky coating between leak protection area and the container bag main part, and the container bag main part includes the paper base member, strengthens coating and waterproof coating, strengthens the coating and applies the inboard in container bag main part. According to the anti-cracking device, the bottom strengthening structure is arranged, the anti-leakage sticking belt is used for sticking and reinforcing the bottom surface of the paper bag to ensure the tensile strength in a filled heavy object, the base plate is used as a stress dispersion structure, the stress dispersion is carried out in the local stress inside the paper bag, the bottom surface of the paper bag is prevented from being punctured, and therefore the anti-cracking capability of the bottom of the paper bag is improved.

Description

High-strength bottom anti-cracking paper bag

Technical Field

The utility model relates to the technical field of packaging paper bags, in particular to a high-strength bottom anti-cracking paper bag.

Background

The existing paper bags are various in variety, various in material variety and various in style, the paper bags are generally made of white cardboard, copper cardboard and kraft paper, a small amount of special paper is made of special paper, the paper bags are different in edge, bottom and bottom sealing modes according to the bag edges, and four paper bag types including an open bottom sewing bag, an open corner bonding bottom bag, a valve type sewing bag, a valve type flat hexagonal end and a bottom bonding bag are adopted.

In view of this, the present invention provides a high-strength bottom anti-cracking paper bag, which is improved in view of the conventional problems, to solve the problem of easy cracking and damage of the bottom, and aims to achieve the purpose of solving the problems and improving the practical value by the technology.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve one of the technical problems occurring in the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows: a high strength bottom anti-burst paper bag comprising: paper bag main part, withdrawal rope and paste and be fixed in enhancement paster and the leak protection area of paper bag main part surface, the leak protection area is the left and right sides that I-shaped structure and leak protection area of pasting extend to the paper bag main part, be equipped with adhesive coating between leak protection area and the paper bag main part, the paper bag main part includes the paper base member, strengthens coating and waterproof coating, strengthen coating and apply in the inboard of paper bag main part, waterproof coating pastes and is fixed in the inboard of strengthening the coating.

The utility model in a preferred example may be further configured to: the paper bag main body, the reinforcing paster and the leakage-proof paster belt are made of kraft paper, and the withdrawal rope is formed by twisting coarse hemp paper.

Furthermore, the surface of the paper bag main body is provided with a rope hole for penetrating through the withdrawal rope.

Through adopting above-mentioned technical scheme, thereby strengthen the junction of withdrawal rope and container bag main part and improve the heavy burden ability of this container bag.

The present invention in a preferred example may be further configured to: the reinforcing patch adhesive body is fixed on the outer side of the rope hole.

Through adopting above-mentioned technical scheme, carry out the sticky reinforcement to the inside and outside both sides that withdrawal rope and container bag main part are connected respectively through strengthening the paster, avoid droing of withdrawal rope.

The present invention in a preferred example may be further configured to: the reinforced coating is of a resin coating structure, and the paper structure is impregnated by resin paint, so that the surface of the paper bag is hardened, and the crack resistance of the paper bag is improved.

The present invention in a preferred example may be further configured to: the waterproof coating is a PE (polyethylene) film material component, and the thickness of the waterproof coating is 5-10 micrometers.

Through adopting above-mentioned technical scheme, utilize the PE membrane to make the container bag inlayer have waterproof performance, can carry out filling of wet thing, improve the practicality of this container bag.

The present invention in a preferred example may be further configured to: the backing plate is fixed to the bottom surface of container bag main part inner chamber subsides, the backing plate is the hard board structure, utilizes the backing plate as stress dispersion structure, carries out stress dispersion in the inside local atress of container bag and avoids punctureing of container bag bottom surface.

The beneficial effects obtained by the utility model are as follows:

1. according to the anti-cracking bottom surface of the paper bag, the bottom strengthening structure is arranged, the anti-leakage sticking belt is used for sticking and strengthening the bottom surface of the paper bag to ensure the tensile strength in a filled heavy object, the base plate is used as a stress dispersion structure, stress dispersion is carried out in local stress inside the paper bag to avoid puncture of the bottom surface of the paper bag, and therefore the anti-cracking capacity of the bottom of the paper bag is improved.

2. According to the utility model, the tensile capacity of the paper substrate is enhanced by arranging the paper substrate and the reinforced coating structure on the surface of the paper bag substrate, and the reinforced coating is used for waterproof protection, so that the damage of the paper bag caused by water splashing softening damage is further avoided, and the practicability of the paper bag is improved.

Drawings

FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;

FIG. 2 is a schematic cross-sectional structure of one embodiment of the present invention;

FIG. 3 is a schematic diagram of a partial hierarchy according to an embodiment of the present invention.

Reference numerals:

100. a paper bag body; 110. a paper substrate; 120. strengthening the coating; 130. waterproof coating;

200. a withdrawal string;

300. reinforcing the patch;

400. a leakage-proof tape; 410. a backing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

Hereinafter, a high-strength bottom anti-burst paper bag according to some embodiments of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the present invention provides a high strength bottom anti-cracking paper bag, comprising: paper bag main part 100, withdrawal string 200 and paste and be fixed in enhancement paster 300 and the leak protection tape 400 on paper bag main part 100 surface, leak protection tape 400 is the left and right sides that I-shaped structure and leak protection tape 400 extend to paper bag main part 100 at the both ends, be equipped with adhesive coating between leak protection tape 400 and the paper bag main part 100, paper bag main part 100 includes paper base member 110, reinforce coating 120 and waterproof coating 130, reinforce coating 120 and apply in paper bag main part 100's inboard, waterproof coating 130 pastes the inboard of being fixed in reinforcing coating 120.

In this embodiment, the paper bag main body 100, the reinforcing patches 300, and the leakproof tape 400 are made of kraft paper, the withdrawal string 200 is formed by twisting hemp paper, and the surface of the paper bag main body 100 is provided with string holes for passing through the withdrawal string 200. (it is suggested that the handle may be disposed in a manner corrected to provide two white boards between which the withdrawal string 200 is fixed with glue at the paper bag main body 100) 300 and 310 may be unnecessary.

Specifically, set up two-layer enhancement paster 300 in container bag main part 100 both sides, the rope 200 of drawing is pasted inside the shoe of both sides, thereby strengthens the junction of the rope 200 of drawing and container bag main part 100 and improves the heavy burden ability of this container bag.

In this embodiment, the reinforcing patch 300 is adhesively secured to the outside of the cord hole.

In this embodiment, the liner plate 410 is adhered and fixed to the bottom surface of the inner cavity of the paper bag main body 100, the liner plate 410 is a hard paper plate structure, and the liner plate 410 is used as a stress dispersion structure to disperse stress in a local stress inside the paper bag to prevent the bottom surface of the paper bag from being punctured.

Specifically, the inner side and the outer side of the withdrawal string 200 connected to the paper bag main body 100 are respectively reinforced by the reinforcing patches 300, so that the withdrawal string 200 is prevented from falling off.

In this embodiment, the reinforced coating 120 is a resin-coated structure, and the paper structure is impregnated with resin paint, so as to harden the surface of the paper bag and improve its crack resistance.

In this embodiment, the waterproof coating 130 is a PE film material, and the thickness of the waterproof coating 130 is 5 to 10 μm.

Specifically, utilize the PE membrane to make the container bag inlayer have waterproof performance, can carry out filling of wet thing, improve the practicality of this container bag, utilize intensive coating 120 to carry out water proof, further avoid knowing because of splashing softening the damaged container bag that leads to damages.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. A high strength bottom anti-burst paper bag, comprising: paper bag main part (100), withdrawal rope (200) and paste and be fixed in enhancement paster (300) and leak protection tape (400) on paper bag main part (100) surface, leak protection tape (400) are the left and right sides that I-shaped structure and leak protection tape (400) extend to paper bag main part (100), be equipped with adhesive coating between leak protection tape (400) and paper bag main part (100), paper bag main part (100) include paper base member (110), reinforce coating (120) and waterproof coating (130), reinforce coating (120) the inboard of paper bag main part (100), waterproof coating (130) are pasted and are fixed in the inboard of strengthening coating (120).

2. The high-strength bottom anti-cracking paper bag according to claim 1, wherein the paper bag main body (100), the reinforcing patches (300) and the leakproof tapes (400) are made of kraft paper, and the withdrawal string (200) is formed by twisting coarse hemp paper.

3. The high-strength bottom anti-cracking paper bag according to claim 1, wherein the surface of the paper bag main body (100) is provided with rope holes for penetrating the withdrawal rope (200).

4. A high strength bottom anti-burst paper bag according to claim 3, wherein said reinforcing patch (300) is adhesively fixed to the outside of the hole of the rope.

5. The high-strength bottom anti-cracking paper bag according to claim 1, characterized in that a backing plate (410) is adhered and fixed to the bottom surface of the inner cavity of the paper bag main body (100), and the backing plate (410) is of a cardboard structure.

6. The high-strength bottom anti-cracking paper bag according to claim 1, characterized in that the reinforced coating (120) is a resin coating structure, the waterproof coating (130) is a PE film material member, and the thickness of the waterproof coating (130) is 5-10 μm.