Composite molded article and method of making the same

Details Composite molded article and method of making the same Composite molded article and method of making the same

1978-02-13

1981-02-10

Dority,Jr., Carroll B.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126447, 264 464, 264 469, 264274, 523094, 52400, 52823, 156109, F24J 302

Patent

active

042495172

ABSTRACT:
A composite glass and molded frame member. In a specific embodiment, one or more glass panels may be utilized in association with a generally U-shaped elastomeric packing and mold-piece seal strip with thin leg portions engaging the glass. The strip has a collapse or compression zone formed outboard and adjacent the edge portion of the glass to accommodate, inter alia, differing thermal expansions and contractions of the glass and the frame. The glass edge and strip are unitary with a perimeter frame of urethane plastic material which is molded over the glass edge and seal. The mold pieces of the molding apparatus have continuous raised or ridge portions adapted to engage the leg portions of the elastomeric strip on either side of the glass panel to prevent flow of plastic material over the glass surface area encircled by the ridge portions of the mold pieces.

REFERENCES:
patent: 2733789 (1956-02-01), Tolle
patent: 4010733 (1977-03-01), Moore
patent: 4048981 (1977-09-01), Hobbs
patent: 4089324 (1978-05-01), Tjaden
"RIM-Urethane Solar Panel", Carl M. Burgess, Plastics _Machinery & Equipment, Jul. 1979, pp. 11 and 12.
"Baydur Structural Foam", Mobay Chemical Corp., 1977.

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