Method for manufacture of porous product from molded high...

Details Method for manufacture of porous product from molded high... Method for manufacture of porous product from molded high...

2006-02-21

2006-02-21

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

C264S297100

Reexamination Certificate

active

07001548

ABSTRACT:
A method directed to manufacturing porous products by supplying a water-in-oil type high internal phase emulsion into mold elements, shaping and polymerizing the emulsion. It is characterized by a moving shaping unit provided with a lower mold element on one side having a smooth mold face furnished with a depressed part and an upper mold element on the other side having a smooth mold face furnished with a corresponding depressed part forming a cavity of a stereoscopic shape together with the depressed part of the lower mold element. Prior to the union of the two mold elements continuously supplying the emulsion into the two mold elements, transferring the shaping unit into a polymerizing device subsequent to the union of the mold elements, and shaping and polymerizing the emulsion therein.

REFERENCES:
patent: 5334621 (1994-08-01), Beshouri
patent: 6406648 (2002-06-01), Noel et al.
patent: 10-217264 (1998-08-01), None
patent: WO 00/50498 (2000-08-01), None
patent: WO 01/32227 (2001-05-01), None

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