Composite material and resin mold

Details Composite material and resin mold Composite material and resin mold

2004-12-30

2008-08-05

Davis, Robert B (Department: 1791)

Static molds

Including coating or adherent layer

Parting layer

Reexamination Certificate

active

07407146

ABSTRACT:
A composite material used for a resin mold for forming hardened resin by hardening fluid resin is provided. The composite material comprises a first material having excellent wear resistance against the fluid resin and a second material having excellent unwettability against the fluid resin. The resin mold comprises a substrate of the first material, a large number of pores each provided to form an opening on a surface of the substrate opposite to the fluid resin and a film of the second material formed along the inner wall surface of each pore at least around the opening. Each of the large number of pores is a communicating hole connecting the surface opposite to the fluid resin and the remaining surface with each other. Therefore, releasability between a mold surface and the hardened resin and wear resistance of the composite material against the fluid resin can be improved.

REFERENCES:
patent: 2983570 (1961-05-01), Lux
patent: 3617364 (1971-11-01), Jarema et al.
patent: 4309380 (1982-01-01), Sauer
patent: 1331081 (2003-07-01), None
patent: 7-329099 (1995-12-01), None

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