Method for obtaining multilayered hollow plastic article

Details Method for obtaining multilayered hollow plastic article Method for obtaining multilayered hollow plastic article

1975-10-29

1978-01-10

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

Work is organic material

264 97, 264296, 425523, 425530, B29C 1707

Patent

active

040679446

ABSTRACT:
A method for obtaining a multilayered, hollow plastic article having side walls which are oriented in the axial, radial and tangential directions. Plastic material is injection molded about a liner covered core to form a multilayered parison which is then transferred on the core to first and second blow molds for blow molding to a hollow article. A parison mold and core are maintained in axial alignment and the liner and blow molds are moved therebetween for engagement with the core.

REFERENCES:
patent: 3247550 (1966-04-01), Haines, Jr.
patent: 3364521 (1968-01-01), Valyi
patent: 3770860 (1973-11-01), Amberg et al.
patent: 3776991 (1973-12-01), Marcus

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