Floor covering tile

Details Floor covering tile Floor covering tile

1989-07-12

1991-10-22

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428 81, 428175, 428177, 428192, 428193, 428212, 428213, 428215, 428228, 428240, 428283, 428284, 428285, 428286, 428337, 428339, 428282, B32B 100

Patent

active

050594745

ABSTRACT:
A floor covering tile is a lamination of several layers. A surface layer is a vinyl chloride resin with a small filler compounding ratio; an intermediate layer is a thermoplastic resin having a large filler compounding ratio, a lower layer is a thermoplastic resin having a large filler compounding ratio; and a glass fiber layer is in between the intermediate and lower layers. The lamination is gently curved to have a curved bottom surface.

REFERENCES:
patent: 2066639 (1937-01-01), Masland
patent: 4010301 (1977-03-01), Anderson et al.
patent: 4010302 (1977-03-01), Anderson et al.
patent: 4568586 (1986-02-01), Gobrecht
patent: 4874654 (1989-10-01), Funaki et al.

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