B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/533
B29C 49/22 (2006.01) B29C 49/04 (2006.01) B29C 49/18 (2006.01)
Patent
CA 1146314
HORIZONTAL BLOW MOLDING Abstract of the Disclosure Large blow molded objects are produced by extruding a generally tubular form in a horizontal direction so as to form a large pillow shaped object upon sealing. The sealed pillow shaped article is severed and conveyed to a mold having a predetermined configuration and blow molded into a desired shape. The horizontal production of the parison used for blow molding permits the production of large parisons without the sag associated with a vertical process and also permits continuous coextrusion of large parisons without the need for complex accumulating equipment.
370524
Smart & Biggar
W.r. Grace & Co.,-Conn.
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