Plastics shaping mold having patterned resin layer

Details Plastics shaping mold having patterned resin layer Plastics shaping mold having patterned resin layer

1988-09-21

1990-04-24

Housel, James C.

Static molds

Including coating or adherent layer

Parting layer

2491141, 249134, 249135, 264338, 425DIG30, 427135, B29C 3356

Patent

active

049193880

ABSTRACT:
A plastics shaping mold comprising a layer of hardened resin material fixedly superposed on a metal mold and defining an uneven shaping surface for forming an uneven surface pattern on plastic articles. The plastics shaping mold is prepared by a method comprising the steps of superposing a resin material in a fluid state on a master in sheet form defining an uneven surface inverse to the uneven shaping surface to be formed, allowing the resin material to harden and removing the master, thereby to form the layer of hardened resin material defining the uneven shaping surface.

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patent: 4482511 (1984-11-01), Komatsubara
patent: 4509358 (1985-04-01), Krowl
patent: 4592887 (1986-06-01), Bando et al.

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