Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1978-09-29
1980-04-01
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
427 541, 427180, 427289, 427293, 4273722, 428161, 428172, 428327, 4284246, 428206, 428520, 428522, 428443, 428 47, 428 48, D06N 704, B32B 2740
Patent
active
041962435
ABSTRACT:
Non-skid floor covering having a plastics wear layer over a vinyl substrate. The wear layer has dispersed therein between about 20 and about 40 wt % particulate plastics material in the size range between about 200 mesh and about 1/16 inch. The particulate material has a hardness of not more than Rockwell M-100 and a Taber abrasion weight loss of not more than about 75 mg per 1000 cycles using CS-17 wheels and 1000 g weights.
REFERENCES:
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patent: 3679539 (1972-07-01), Gossens
patent: 3878133 (1975-04-01), Rubens
patent: 3924023 (1975-12-01), Boranian
patent: 3991006 (1976-11-01), Chandler
patent: 4038453 (1977-07-01), Loran
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patent: 4115472 (1978-09-01), Porter
Sachs Peter R.
Thomas George
GAF Corporation
Kehm Walter C.
Robinson Ellis P.
Ward Joshua J.
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