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Method for artificially sealing cans of synthetic paper cans

A technology for sealing cans and paper cans, applied in the field of false sealing of synthetic paper cans, can solve the problems such as the inability to obtain the expected effect and yield of false roll sealing, and the inconsistency of operating costs, and achieve the effect of low cost and high process stability

Active Publication Date: 2014-12-03
STANDARD FOODS
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  • Abstract
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Problems solved by technology

[0004] 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 of "fake envelope"
[0005] 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 cost

Method used

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  • Method for artificially sealing cans of synthetic paper cans
  • Method for artificially sealing cans of synthetic paper cans
  • Method for artificially sealing cans of synthetic paper cans

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Embodiment Construction

[0021] 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 artificially sealing a can of a synthetic paper can is disclosed and comprises the steps of: crimping a can edge of a synthetic paper can which is required to seal artificially; placing a pair of can covers on the can edge crimped; and using an artificial can sealing device to apply force in a plurality of areas of the circular cover flange of the sealing cover, wherein the sum of the areas in length is smaller than the total perimeter of the circular cover flange.

Description

[0001] This application is a divisional application with the application number 200910002474.9, the application date is January 21, 2009, and the invention name is a fake sealing device and method for synthetic paper cans. technical field [0002] The present invention relates to a device and method for sealing cans, and in particular to a method for false sealing of synthetic paper cans. Background technique [0003] 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. [0004] 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 ex...

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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