B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1036
B29C 47/04 (2006.01) B29C 47/00 (2006.01) B29C 65/00 (2006.01) B29C 65/02 (2006.01) B29D 5/10 (2006.01) B29D 7/00 (2006.01) B31B 19/90 (2006.01)
Patent
CA 1212808
- 26 - PROCESS AND APPARATUS FOR RECLOSABLE CONTAINER STOCK 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 strip portions, and means for cooling the resulting reclosable container stock with adhered closure strip portions.
421371
Hopley William G.
Union Carbide Corporation
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