Method for blow molding of thermoplastic articles

Details Method for blow molding of thermoplastic articles Method for blow molding of thermoplastic articles

1977-12-12

1980-03-11

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

264523, 264540, 425526, B29C 1707

Patent

active

041928431

ABSTRACT:
A mixture of water and surfactant is introduced interiorly of a parison in the course of blow molding thereof. Lessening of die closure time and improved conformity of dimensions of molded articles to corresponding dimensions of forming dies are achieved.

REFERENCES:
patent: 3127458 (1964-03-01), Scott, Jr. et al.
patent: 3534555 (1970-10-01), Webb
patent: 3851028 (1974-11-01), Beyer
patent: 3937610 (1976-02-01), Farrell

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