Inert gas heated compression molding process and apparatus

Details Inert gas heated compression molding process and apparatus Inert gas heated compression molding process and apparatus

1995-12-08

1998-04-21

Wu, David W.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264 85, 264DIG51, 425407, 425DIG20, B27N 318, B29C 4146, B29C 4352

Patent

active

057414556

ABSTRACT:
The invention is directed to a molding apparatus, including a cylinder having an interior sidewall and a fluid inlet, and defining an inner cavity. A porous plate is disposed within the inner cavity, and is disposable in a loading position wherein the inner cavity is divided into a fluid flow chamber and a material chamber. A ram having an outside diameter which is less than the diameter of the cylinder interior sidewall is slidable within the cylinder.

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patent: 3666977 (1972-05-01), Helms et al.
patent: 3743870 (1973-07-01), Hunt
patent: 4268241 (1981-05-01), Rees et al.
patent: 4268243 (1981-05-01), Koshkin et al.
patent: 4269588 (1981-05-01), Nogai
patent: 4274818 (1981-06-01), Montgomery et al.
patent: 4552715 (1985-11-01), Ando et al.

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