Static molds – Including coating or adherent layer
Patent
1993-08-17
1996-07-16
Thibodeau, Paul J.
Static molds
Including coating or adherent layer
106 382, 106 3822, 428334, 428340, 428364, 428372, 428402, 428458, 4284735, 4284744, B29C 3356, B28B 736, B22C 122
Patent
active
055359809
ABSTRACT:
Articles such as molds for thermoplastics, having an insulating layer preferably of resin deposited on the metal core materials, have a second layer of metal suspended in resin deposited on said insulating layer. The second layer may contain metal in platelet form as the inner mold surface, or may contain metal in fiber, whisker or irregular form with a further metal coating deposited thereon to provide resistance to abrasion. In the latter case, the adhesion of the further metal coating to the mold surface is higher than is the case if no metal-containing resin layer is present. A number of injection molding techniques utilizing the mold to produce finished parts in a variety of plastics materials are disclosed.
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Baumgartner Charles E.
Gutmann Jamie M.
Hamly Katherine D.
Niemeyer Matthew F.
General Electric Company
Sand Stephen
Thibodeau Paul J.
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