Title:
DATE-ALTERATION-PROTECTED PACKAGING BAG MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/188715
Kind Code:
A1
Abstract:
Provided is a date-alteration-protected packaging bag manufacturing method; the device used by the method comprises a punch press (11), a character printing machine (12), a hydraulic apparatus (13), a machine frame (14), and a controller (15). The punch press (11) comprises a production date punching machine (16), a shelf life punching machine (17), a press (18), a punching pad die (19), and a first bottom die (20). The character printing machine (12) comprises a heat sealing machine (40) and a second bottom die (21). The process of the date-alteration-protected packaging bag manufacturing method is: stamping a production date hole → stamping a shelf life hole → printing a production date → printing a shelf life → heat-sealing the production date and shelf life. The packaging bags made using the method have multiple alter-protection functionalities.
Inventors:
FENG LIN (CN)
Application Number:
PCT/CN2015/080649
Publication Date:
December 17, 2015
Filing Date:
June 03, 2015
Export Citation:
Assignee:
FENG LIN (CN)
International Classes:
B65B61/26
Foreign References:
| CN104044777A | 2014-09-17 | |||
| CN103978733A | 2014-08-13 | |||
| CN103978732A | 2014-08-13 | |||
| CN203854249U | 2014-10-01 | |||
| CN201124593Y | 2008-10-01 | |||
| CN201619295U | 2010-11-03 | |||
| CN201873126U | 2011-06-22 | |||
| JPH08258382A | 1996-10-08 | |||
| GB631807A | 1949-11-10 | |||
| GB435485A | 1935-09-23 |
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