Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1980-06-23
1982-03-30
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
249 78, 264275, 2642791, B29C 602, B29C 104
Patent
active
043223826
ABSTRACT:
A method for preparing solid metallurgical mounts uses a surface in heat exchange relationship with mounting molds placed thereon and with an initially liquid mounting agent contained in the molds. The surface is defined by a block of polytetrafluoroethylene exposed to a source of heat. As part of the molding operation, the surface is preheated and maintained at a substantially constant temperature throughout the operation. The molding operation includes mixing of a quantity of epoxy resin and a hardener, pouring the mixture into a mold or molds and curing the mixture at an elevated temperature in contact with the polytetrafluoroethylene surface.
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