Multilayer injection molds having improved surface properties

Details Multilayer injection molds having improved surface properties Multilayer injection molds having improved surface properties

1992-08-28

1995-07-11

Thibodeau, Paul J.

Static molds

Including coating or adherent layer

106 382, 106 3822, 164 23, 164 33, 164527, 249115, 428340, 428364, 428372, 428402, 428458, 4284735, B29C 3356, B28B 736, B22C 122

Patent

active

054313678

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.

REFERENCES:
patent: 4983247 (1991-01-01), Kim
patent: 5176839 (1993-01-01), Kim
patent: 5260014 (1993-11-01), Holton et al.

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