Molded park from recycled used-carpets

Details Molded park from recycled used-carpets Molded park from recycled used-carpets

1996-12-12

1998-07-28

Dixon, Merrick

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Woven fabric

Woven fabric is characterized by a particular or...

428224, 428285, 428290, 428293, 428297, B32B 2700

Patent

active

057862796

ABSTRACT:
Carpet material with at least a proportion of uncleaned used carpets is shredded to form a fiber-like wooly mass. The carpet material contains a thermoplastic binder with a low melting point, for example polypropylene, which can be derived from the used carpets or be added. Furthermore, a proportion of fiber-like wood chips is added to the carpet material. The total mass is compressed to form the molded part or panel, at a temperature which lies above the plasticizing point of the thermoplastic binder, but below the plasticizing point of any other thermoplastic components of the carpet material.

REFERENCES:
patent: 4029839 (1977-06-01), Lesti
patent: 4228116 (1980-10-01), Colombo et al.
patent: 4250222 (1981-02-01), Mavel et al.
patent: 4469655 (1984-09-01), Kiss
patent: 4521477 (1985-06-01), Kiss
patent: 4642153 (1987-02-01), Lohr
Patent Abstracts of Japan, vol. 7, No. 227 (M-248) 7 Oct. 1983.
Patent Abstracts of Japan, vol. 9, No. 261 (M-422) 18 Oct. 1985.

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