Blister packaging system and method

Details Blister packaging system and method Blister packaging system and method

1993-08-25

1995-01-10

Coan, James F.

Package making

Methods

Closing package or filled receptacle

533293, 533295, 533737, 533753, B65B 5132

Patent

active

053795725

ABSTRACT:
A blister packaging system and method which includes a preheat station, a cold seal press station, and a trimming station to provide a blister-type cold seal bonded blister package. The method comprises feeding the adjacent sheets of thermoplastic material to a preheat station and preheating selected sections, usually edge areas, of the plastic material for very short periods of time to a tacky or melt temperature, thereafter cold pressing the preheated sections under pressure at a temperature of less than 60.degree. F. to cold bond seal the preheated sections, and thereafter optionally to trim the cold bonded thermoplastic sheet material to a finished size and recovering a blister, cold-bonded package.

REFERENCES:
patent: 3481100 (1969-12-01), Bergstrom
patent: 3523403 (1970-08-01), Collins
patent: 3874145 (1975-04-01), Schmidt
patent: 5105603 (1992-04-01), Natterer

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