Method of molding a thermostat polymer door skin, shelf stable thermostat molding composition, and door assembly using the door skins so formed
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United States of America Patent
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Feb 15, 2000
Grant Date -
N/A
app pub date -
Oct 3, 1997
filing date -
Oct 3, 1997
priority date (Note) -
Expired
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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.
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