Horizontal blow molding

Details Horizontal blow molding Horizontal blow molding

1980-03-20

1981-11-17

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

156156, 15624414, 264524, 264529, 264534, 264542, 264 461, 425532, 425534, B29C 1707

Patent

active

043011110

ABSTRACT:
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.

REFERENCES:
patent: 3539670 (1970-11-01), Hall
patent: 3663672 (1972-05-01), Button et al.
patent: 3736201 (1973-05-01), Teraoka

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