Method of treating waste sheet flooring

Details Method of treating waste sheet flooring Method of treating waste sheet flooring

1975-06-17

1977-04-26

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08J 1104

Patent

active

040200205

ABSTRACT:
Scrap sheet floor covering is recovered for reuse through the use of a Banbury mixer. The mixer grinds pre-diced scrap and abrades away asbestos filler backing material from the vinyl wear layer material. Binder scrap or virgin resin and plasticizer is added to convert the scrap sheet floor material to a raw material for use in manufacturing fiber filled vinyl tile.

REFERENCES:
patent: 2415449 (1947-02-01), Sverdrup et al.
patent: 2461192 (1949-02-01), Banbury et al.
patent: 2477809 (1949-08-01), Kelly
patent: 2535931 (1950-12-01), Kelly
patent: 2773851 (1956-12-01), Tolman
patent: 2853742 (1958-09-01), Dasher
patent: 3056224 (1962-10-01), Almy et al.

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