Method for the preparation of hollow plastic articles

Details Method for the preparation of hollow plastic articles Method for the preparation of hollow plastic articles

1977-10-20

1979-04-24

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264530, 264532, 264537, B29C 1707

Patent

active

041512480

ABSTRACT:
Method and apparatus for the preparation of hollow plastic articles wherein improved temperature control of the parison is obtained by altering the heat content of a parison by a first, temperature controlled mold and core, transferring the parison to a second, temperature controlled mold, and substantially equalizing the temperature distribution of the parison by heat exchange with the second mold.

REFERENCES:
patent: 2331702 (1943-10-01), Kopitke
patent: 3412186 (1968-11-01), Piotrowski
patent: 3767747 (1973-10-01), Uhlig
patent: 3776991 (1973-12-01), Marcus
patent: 3882213 (1975-05-01), Uhlig
patent: 3944643 (1976-03-01), Sato et al.
patent: 3963399 (1976-06-01), Zavasnik
patent: 4036927 (1977-07-01), Stolki

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