Method and apparatus for forming an integral closure for a therm

Details Method and apparatus for forming an integral closure for a therm Method and apparatus for forming an integral closure for a therm

1984-03-05

1985-05-07

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624411, 15624425, 156500, 264167, 264171, 264176R, 4251311, 4251335, 24572, B32B 704

Patent

active

045156476

ABSTRACT:
An improved high speed cast process and apparatus for fusing fasteners, with enlarged bases, to separately extruded film or sheet stock, for forming into containers with integral closure means. The invention utilizes joining of the fasteners, bases and film or sheet stock within the extrusion die to insure secure joining thereof with relative ease.

REFERENCES:
patent: 3460337 (1969-08-01), Feild
patent: 3462332 (1969-08-01), Gots
patent: 3619395 (1971-11-01), Skendzic
patent: 3945872 (1976-03-01), Noguchi
patent: 4118166 (1978-10-01), Bartrum
patent: 4263079 (1981-04-01), Sutrina et al.

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