Process for the manufacturing of a multilayer plastic container

Details Process for the manufacturing of a multilayer plastic container Process for the manufacturing of a multilayer plastic container

1986-02-28

1989-08-15

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264516, 264572, 264526, B29C 4922

Patent

active

048572586

ABSTRACT:
A process for the preparation of a multilayer plastic container in which an inner and an outer layer, one of which is in the melt phase, are introduced into an opened mold. Before the mold is closed, the inner layer is inflated by a pressurized medium until the facing surfaces of the inner and outer layers are in contact over almost all their respective surface areas. The mold is then closed and the first and second layers are forced against the mold wall by a pressurized medium.

REFERENCES:
patent: 3023461 (1962-03-01), Sherman
patent: 3082484 (1963-03-01), Sherman
patent: 3113831 (1963-12-01), Coale
patent: 3275726 (1966-09-01), Rudolph
patent: 4015033 (1977-03-01), Nield
European Search Report EP 87200142 dtd May 22, 1987.
Translation of French Patent 2,119,200 Pub., Aug. 4, 1972.

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