Two layered composite embossed board

Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness

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Details

428156, 428171, 428172, 428192, 428288, 4283137, 428326, 4285371, 428703, B32B 900

Patent

active

054417929

ABSTRACT:
This invention relates to mineral fiberboard products which are embossed to provide a decorative surface. In the invention herein a layered structure is formed before the embossing process that consists of the currently used mineral fiberboard on the bottom with an additional layer of a granulated fines material on the board surface. When embossed using the current process, the resulting composite board provides higher fidelity images than the unlayered embossed board.

REFERENCES:
patent: 4073230 (1978-02-01), Akerson
patent: 4153503 (1979-06-01), Book et al.
patent: 4353949 (1982-10-01), Kymina et al.
patent: 4474920 (1984-10-01), Kyminas et al.
patent: 4963603 (1990-10-01), Felegi, Jr. et al.
patent: 5134178 (1992-07-01), Felegi, Jr. et al.
patent: 5277762 (1994-01-01), Felegi, Jr. et al.

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