Method of molding a thermostat polymer door skin, shelf stable t

Details Method of molding a thermostat polymer door skin, shelf stable t Method of molding a thermostat polymer door skin, shelf stable t

1997-10-03

2000-02-15

Dawson, Robert

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

26433112, 26433118, 26433119, 26433121, C08J 500

Patent

active

060249080

ABSTRACT:
A method of forming polymer door skins using a low viscosity, shelf stable homogeneous thermosetting reinforced polymer material. The polymer material includes a thermosetting curable polymer, a particulate filler, mica platelets, staple fibers, and hollow microspheres. The reinforced resin door skins of the present invention are formed at relatively low pressures which decreases costs by allowing the use of aluminum rather than steel tooling. The door skins, when assembled on a frame with an insulative core provides a molded, reinforced plastic door having a superior wood grain surface appearance, superior thermal characteristics and lower manufacturing costs.

REFERENCES:
patent: 4922674 (1990-05-01), Thorn
patent: 4965030 (1990-10-01), Thorn
patent: 5074087 (1991-12-01), Green
patent: 5445208 (1995-08-01), Shaner et al.
patent: 5537789 (1996-07-01), Minke et al.
patent: 5644870 (1997-07-01), Chen
patent: 5837172 (1998-11-01), Pritchard et al.

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