DATE-ALTERATION-PROTECTED PACKAGING BAG MANUFACTURING DEVICE

WIPO Patent Application WO/2015/188713

A1

Provided is a date-alteration-protected packaging bag manufacturing device, comprising 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 workflow process of the date-alteration-protected packaging bag manufacturing device is: stamping a production date hole  stamping a shelf life hole  printing an alter-protected production date  printing an alter-protected shelf life  heat-sealing the alter-protected production date and alter-protected shelf life; the date-alteration-protected packaging bag manufacturing device is used to manufacture the packaging bags of ordinary food products or other items to be date-alteration-protected packaging bags having alter-protection functionality; the packaging bags have multiple alter-protection functionalities, improving the performance of the packaging bags.

FENG LIN (CN)

PCT/CN2015/080644

December 17, 2015

June 03, 2015

Click for automatic bibliography generation  

FENG LIN (CN)

B31B50/88; B31B50/64

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US20120065046A1	2012-03-15

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