Forming plastic articles in solid state

Details Forming plastic articles in solid state Forming plastic articles in solid state

1983-05-20

1986-01-07

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Starting material is nonhollow planar finite length preform...

264153, 264292, 264296, 264322, 264323, 425292, 4253871, 425400, B29C 5106, B29C 5108

Patent

active

045633258

ABSTRACT:
An apparatus and method for producing articles by stretch-forming or pressure-forming of thermoplastics in the solid crystalline phase which permits forming from a billet of given thickness articles of greater wall thickness than would be formed by stretch-forming or pressure-forming the clamped billets.

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patent: 3757718 (1973-09-01), Johnson
patent: 4047869 (1977-09-01), Mulvany, Jr.
patent: 4225553 (1980-09-01), Hirota et al.
patent: 4354996 (1982-10-01), Nishiyama et al.
patent: 4419320 (1983-12-01), Perkins et al.
patent: 4420454 (1983-12-01), Kanaguchi et al.

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