Method of moulding a sheet including the use of heated barrier f

Details Method of moulding a sheet including the use of heated barrier f Method of moulding a sheet including the use of heated barrier f

1992-11-30

1994-02-01

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Starting material is nonhollow planar finite length preform...

264547, 264549, 264522, 425384, B29C 5110, B29C 5134, B29C 5142

Patent

active

052830292

ABSTRACT:
A method of and apparatus for moulding preformed material with a forming mould (1), tool, membrane or bag, in which as the material (A) is being moulded or shaped, a temperature controlled fluid is introduced at a sufficient pressure to act as a barrier between the material and the forming mould, tool, membrane or bag so that thickness of the article formed can be selectively controlled.

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