Process and apparatus for reclosable container stock

Details Process and apparatus for reclosable container stock Process and apparatus for reclosable container stock

1983-09-23

1989-08-22

Thurlow, Jeffery

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624415, 15624427, 156495, 156501, 264 405, 264 407, 264146, 264171, 2641771, 26417719, 425114, 425367, B29C 4792

Patent

active

048592595

ABSTRACT:
A process and apparatus for producing a reclosable container stock with adhered occludable closure strip portions, said apparatus comprising a rotatable lay-on roll having circumferential grooves therein, means to advance the closure strip portions to the lay-on roll, a rotatable casting cylinder positioned opposite the lay-on roll, means for extruding a molten plastic film onto the casting cylinder so that the film adheres to the closure strip portions, and means for cooling the resulting reclosable container stock with adhered closure strip portions.

REFERENCES:
patent: 1128621 (1915-02-01), Nazel
patent: 2821746 (1958-02-01), Bicher, Jr.
patent: 3134138 (1964-05-01), Pufahl
patent: 3382133 (1968-05-01), Healy
patent: 3532571 (1970-10-01), Ausnit
patent: 3647342 (1972-03-01), Hunt
patent: 4259133 (1981-03-01), Yagi

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