Bonded inorganic and fibrous material building product

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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Other Related Categories

428246, 428421, 428422, 428454, 428448, 428543, 428538, 156 622, 156242, 264113, 264115, 425112, B32B 516, B32B 1704

Type

Patent

Status

active

Patent number

041171853

Description

ABSTRACT:
A building product comprises a mineral filler and glass fiber bonded together by a polyester resin. A film or layer of a weather resistant fluoroplastic material is attached to a face of the building product by pressing the film or layer into contact with the face during curing of the resin in a mold. A method of manufacturing a building product as above is also described.

REFERENCES:
patent: 2851730 (1958-09-01), Wilhelm et al.
patent: 3197356 (1965-07-01), Campbell
patent: 3228823 (1966-01-01), Usala et al.
patent: 3490969 (1970-01-01), Schiff
patent: 3746610 (1973-07-01), Hoegger
patent: 3850674 (1974-11-01), Clarke, Jr. et al.
patent: 3853442 (1974-12-01), Stemp

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