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Fake sealing device and method for synthetic paper cans

A technology of sealing and driving device, which is applied to packaging under vacuum/special atmosphere, etc., can solve the problems of inability to obtain the expected effect and yield of false roll sealing, inconsistent with operating costs, etc., and achieve the effect of low cost and high process stability

Active Publication Date: 2011-12-21
STANDARD FOODS
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AI Technical Summary

Problems solved by technology

[0003] When the synthetic paper cans are going to be vacuumed or filled with nitrogen, the pre-preparation steps of the "false seam seal" of the metal cans are carried out. Because the thickness, material hardness and strength of the synthetic paper cans are very different from those of the metal cans, it is often impossible to obtain the "false seam seal". Anticipated effect and yield rate
[0004] Although a complete set of production process and equipment designed for the vacuuming or nitrogen filling process of synthetic paper cans has also been proposed, but at present, the "metal can nitrogen filling" is still the bulk of the market, and a complete set is purchased for "synthetic paper cans". The production process and equipment do not seem to match the operating costs

Method used

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  • Fake sealing device and method for synthetic paper cans
  • Fake sealing device and method for synthetic paper cans
  • Fake sealing device and method for synthetic paper cans

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Embodiment Construction

[0035] Please refer to figure 1 , which is a synthetic paper can according to a preferred embodiment of the present invention. figure 2 It is a can sealing lid according to a preferred embodiment of the present invention. The invention provides a sealing device and method for a synthetic paper can, so that the synthetic paper can can be easily introduced into a process of vacuuming or nitrogen filling. The so-called "synthetic paper cans" refer to cans with cardboard as the main support material. The more commonly used "synthetic paper cans" are made of paper, polymer materials and metal foil. Before the can body 102 of the synthetic paper can 100 is sealed, the rim 102 a at the top of the can body 102 needs to be curled outward first, and then the seaming lid 106 is placed on the curled can rim 102 a. The bottom end of the tank body 102 is sealed with a sealing lid 104 earlier. When vacuumizing or nitrogen-filling the synthetic paper can, the can sealing lid 106 needs to...

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Abstract

A method for false seaming of a synthetic paper can, comprising the steps of curling a rim of a synthetic paper can that requires false seaming; placing a pair of can lids on the crimped can rim; using a false seaming device to apply pressure on Areas of the annular rim of a seaming lid, wherein the sum of these areas is less than the total circumference of the annular rim.

Description

technical field [0001] The present invention relates to a sealing device and method, and in particular to a false sealing device and method for synthetic paper cans. Background technique [0002] When using metal cans for vacuuming or nitrogen filling process, there will be a pre-preparation step called "false seaming". Sufficient clearance is left for vacuuming or nitrogen filling process. [0003] When the synthetic paper cans are going to be vacuumed or filled with nitrogen, the pre-preparation steps of the "false seam seal" of the metal cans are carried out. Because the thickness, material hardness and strength of the synthetic paper cans are very different from those of the metal cans, it is often impossible to obtain the "false seam seal". The expected effect and yield of "fake envelope". [0004] Although a complete set of production process and equipment designed for the vacuuming or nitrogen filling process of synthetic paper cans has also been proposed, but at pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65B31/02
Inventor 黄国煌
Owner STANDARD FOODS
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