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Manufacturing technology of two-piece-type steel high-performance zip-top cans

A production process and technology of pop-top cans, which are applied to the device for coating liquid on the surface, pretreatment surface, coating, etc., can solve the problem of unable to meet the diversified requirements of the beverage industry and the diversification of consumption habits, and achieve enhanced filling. Adaptability and corrosion resistance, enhanced environmental adaptability, and improved performance

Active Publication Date: 2014-07-16
SHANGHAI BAOYIN METAL DECORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The steel two-piece cans manufactured by the above-mentioned existing production process can no longer meet the diversification requirements of the beverage industry and the diversification of consumption habits

Method used

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  • Manufacturing technology of two-piece-type steel high-performance zip-top cans
  • Manufacturing technology of two-piece-type steel high-performance zip-top cans
  • Manufacturing technology of two-piece-type steel high-performance zip-top cans

Examples

Experimental program
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Effect test

Embodiment

[0036] Embodiment (production 202 steel tanks)

[0037] The previous process is carried out according to the production process of ordinary 202 steel tanks. After the steel tanks go through the necking and flanging process, they will reach the inlet end of the bottom coating equipment through the lifting conveyor belt. About 50 cans are taken as test tanks, and the magnetic conveyor belt is sucked by the test tanks. Drive it into the bottom coating equipment, adjust the height gap between the soft coating roller and the conveyor belt, the gap value is 114.7±0.5mm, so as to ensure that the bottom edge paint completely covers the bottom part of the tank, and after passing the UV curing lamp, the bottom coating reaches the surface dry, magnetic The conveyor belt drives the test tank through the air-cooled part, reducing the temperature of the bottom edge to 65±5°C; the magnetic conveyor belt transfers the test tank to the ordinary conveyor belt, and enters the subsequent process, ...

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Abstract

A manufacturing technology of two-piece-type steel high-performance zip-top cans includes forming, cleaning, bottom printing, first-time bottom edge coating, color printing, second-time bottom edge coating, first-time internal spraying, neck-shrinking edge turning, bottom coating, second-time internal spraying, light inspection and finished product packaging, wherein the bottom coating technology includes the steps that first, a can body is fixed; second, coating is performed; after coating is fed to a checkered steel roller, the coating is conveyed to a soft coating roller through a scraper, and steel can feet are evenly coated with the coating; third, surface dry curing is performed, the steel cans are conveyed through a magnetic or vacuum conveying belt to be irradiated through an UV lamp, and the surface dry curing of the coating is achieved; fourth, cooling is performed, blowing cooling is adopted, and the temperature of coated areas of the steel can feet is lowered to be lower than 80 DEG C of softening temperature of the UV coating; fifth, conveying is performed, the steel cans are conveyed to a next-procedure inlet through a common conveying belt; sixth, complete curing is performed, the steel cans enter a drying furnace after second-time internal spraying and dried for three minutes to four minutes at the temperature of 190 DEG C to 220 DEG C, the coating on the can feet can be completely cured, the bottom coating technology is ended, and subsequent procedures are started.

Description

technical field [0001] The invention relates to the manufacturing technology of pop cans, in particular to a production process of high-performance steel two-piece pop cans. Background technique [0002] As a rising star in the field of metal packaging, steel two-piece cans have been widely used in the field of metal packaging for beverages and beer due to their advantages such as energy saving, environmental protection, easy recycling, superior mechanical properties, good packaging performance, and low manufacturing costs. , especially in the field of carbonated beverage packaging, nearly half of canned Coca-Cola and Pepsi products use steel cans. In addition, Suntory Beer, Harbin Beer, Tsingtao Brewery, Ayer Beer and other brand beer users also use steel cans as their canned products. packaging materials. [0003] At present, the production process of steel 2-piece pop cans is as follows: forming, cleaning, bottom printing, primary bottom edge coating, color printing, sec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D1/28B05D3/06B05D3/02B05C13/02
Inventor 顾婕阮如意张清
Owner SHANGHAI BAOYIN METAL DECORATION
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