Tile product having multiple levels of height, multiple levels o

Details Tile product having multiple levels of height, multiple levels o Tile product having multiple levels of height, multiple levels o

1990-06-04

1992-05-12

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428172, 428203, 428 44, 428 46, 428157, 428159, 428167, 428195, 428213, 428215, 428212, 428522, 4289133, 428207, 428204, 428192, 4289088, B32B 302

Patent

active

051126710

ABSTRACT:
A tile product having a substantially non-porous vinyl composition base and a multilevel embossing and gloss which has a mechanically embossed mortar-line surround and which is free of gloss defects formed by pockets of air trapped between the wear layer and embossing mold during embossing is produced by applying a vacuum to the press during embossing. Preferably, the tile is laminated in a hot press heated by RF energy and cooled in a cold press to reduce the temperature of the wear layer to below its glass transition temperature.

REFERENCES:
patent: 1825877 (1931-10-01), Loetscher
patent: 3953639 (1976-04-01), Lewicki, Jr.
patent: 3958054 (1976-05-01), McKee, Jr. et al.
patent: 4131663 (1978-12-01), Lewicki, Jr.
patent: 4172169 (1979-10-01), Mawson et al.
patent: 4187131 (1980-02-01), Shortway et al.
patent: 4597245 (1985-10-01), Colyer
patent: 4614680 (1986-09-01), Fry et al.

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