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Blocking mouth plug and bag body

A barrier and bag technology, applied in bags, sacks, packaging, etc., can solve the problems of insufficient joint surface, increase of process difficulty and cost, barrier layer delamination and other problems, achieve low production cost, improve connection stability, The effect of reducing the number of composite layers

Pending Publication Date: 2022-06-03
XIAMEN DEGUAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the different material types of the cylinder body and the plug body, the existing high-barrier plugs cannot achieve good connection stability, especially in the case of high-temperature cooking, there is a problem of delamination of the barrier layer
[0004] High-barrier extrusion materials will be greatly restricted, and the required high-barrier material cannot be flexibly selected. At the same time, the uniformity of the material is not easy to control during extrusion. , to be embedded in injection molding, this process is cumbersome, with many process control points, requiring a lot of capital, machines, manpower and material resources
[0005] Other existing methods are to add an additional layer of the same material type as the plug body to compound the barrier layer and then fix it with the plug body. This method of adding an extra layer of structure to improve the connection stability increases the difficulty of the process. and cost, and in the above two cases, the joint surface is insufficient, and it is still easy to cause the barrier layer to fall off

Method used

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  • Blocking mouth plug and bag body
  • Blocking mouth plug and bag body
  • Blocking mouth plug and bag body

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] like Figure 1 to Figure 6 As shown, a blocking port plug provided in this embodiment includes a port plug body 1 and a blocking body 2 arranged inside the port plug body. The inner wall of the plug body is provided with an accommodating groove 3, the accommodating groove is communicated with the through hole, the lower part of the blocking body is all fixedly embedded in the accommodating groove, and a part of the upper part of the blocking body is fixedly embedded in the accommodating groove Inside, the other part is located outside the accommodating groove, and the upper and lower end surfaces of the blocking body are sealed and pressed with the upper and lower side walls of the accommodating groove respectively. The blocking body includes a cylinder body 21 and a blocking layer 22. The ends all have protruding parts. In this embodiment, the protruding parts are formed by extending outward from the cylinder body. The outer side wall of the cylinder body between the t...

Embodiment 2

[0051] like Figure 8 to Figure 13 As shown, the difference between this embodiment and the first embodiment is that: the outer side wall of the protruding part is provided with a first groove 4 around it, forming two first protruding sections 5, two first protruding sections They are located on the upper and lower sides of the first groove, respectively. The inner side wall of the accommodating groove is provided with two second grooves 6 around it, forming a second protruding section 7. The first protruding section is located on the upper and lower two Between the two grooves, the first protruding section is sealed and fixedly connected to the second groove, and the second protruding section is sealed and fixedly connected to the first groove. The inter-embedded structure formed by the first protruding section and the second groove, and the second protruding section and the first groove further improves the joint surface and further improves the connection stability.

[005...

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Abstract

The invention discloses a blocking mouth plug and a bag body, and belongs to the technical field of packaging, the blocking mouth plug comprises a mouth plug body and a blocking body arranged in the mouth plug body, a through hole penetrating through the two end walls of the mouth plug body is formed in the middle of the mouth plug body, a containing groove is formed in the inner wall of the mouth plug body, and the containing groove is communicated with the through hole; the blocking body is partially or completely fixedly embedded in the containing groove, the two end faces of the blocking body are matched with the two side walls of the containing groove in a sealed and pressed mode respectively, the blocking body comprises a cylinder and a blocking layer, the two ends of the cylinder are provided with protruding parts, and the blocking layer is attached to the outer side wall, between the two protruding parts, of the cylinder. The outer side face of the blocking layer is fixedly connected with the inner side wall of the containing groove, and the outer side wall of the protruding part is fixedly connected with the inner side wall of the containing groove in a sealed mode. According to the blocking mouth plug and the bag body, the number of composite layers is reduced, the joint face is improved, and the blocking mouth plug and the bag body have good connection stability and low production cost.

Description

technical field [0001] The invention belongs to the technical field of packaging, and in particular relates to a blocking plug and a bag body. Background technique [0002] The mouthpiece bag can be filled and packaged with, for example, baby food supplements, liquid food, infusion bags, fruit juices, jelly-like beverages, nutritional beverages, drinking water, tea, coffee beverages, milk, seasonings, oils, cosmetics, etc. Variety of food and beverages. All composite beverage bags can meet the functional requirements of high barrier (oxygen transmission rate is 1.0-5.0ml / cm 2 *0.1Mpa), the suction nozzle is an injection-molded product, the products injected with PE and PP cannot meet the high barrier requirements, and the 0.8-1mm thick pe and pp materials can only achieve an oxygen transmission rate of 40-60ml / cm 2 *0.1Mpa. [0003] At present, high-barrier materials are extruded into pipes and embedded in injection molding to improve the high-barrier performance of suc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D33/38
CPCB65D75/5872Y02E60/10
Inventor 林满钒
Owner XIAMEN DEGUAN TECH