Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1987-11-09
1989-10-10
Derrington, James
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
264294, 264295, C04B 3510
Patent
active
048730475
ABSTRACT:
Porous anodic aluminum oxide sheet, when removed from its aluminum metal substrate, is a useful filter but rather brittle. It can be formed into a desired shape by flexing in a direction transverse to the direction in which the metal substrate was rolled. Or the sheet can be wetted to make it more flexible and then formed by flexing in any direction. The formed sheet can be heat-set in a desired shape by heating at 200.degree. C. to 650.degree. C.
Jenkins Dianne M.
Pargeter Christopher
Alcan International Limited
Derrington James
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