Tuft bind of urethane backed artificial turf

Stock material or miscellaneous articles – Pile or nap type surface or component – Composition of pile or adhesive

Reexamination Certificate

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Details

C428S095000, C428S096000, C156S072000, C156S272600, C427S535000, C427S569000

Reexamination Certificate

active

07026031

ABSTRACT:
The present invention relates to an improved process for the production of artificial turf, and the improved artificial turf. In accordance with this process, fibers are treated via corona discharge, tufted into a primary backing to form a greige good, and a precoat is applied to the back surface the greige good. Suitable fibers are polyolefins, and suitable precoats are reactive polyurethane mixtures. The fibers may be treated by corona discharge either before they are tufted into the primary backing to form the greige good or after the are tufted into the primary backing. Artifical turfs of the present invention comprise a greige good having fibers tufted into a primary backing, with the fibers being treated by corona discharge either before or after being tufted into the primary backing, and a precoat which is attached by its face surface to the back surface of the greige good.

REFERENCES:
patent: 3962386 (1976-06-01), Driscoll
patent: 4178272 (1979-12-01), Meyer et al.
patent: 4401708 (1983-08-01), Paul
patent: 4617208 (1986-10-01), Cadenhead, Sr.
patent: 5221394 (1993-06-01), Epple et al.
patent: 5445860 (1995-08-01), Bova
patent: 5612113 (1997-03-01), Irwin, Sr.
patent: 5714224 (1998-02-01), Gerry
patent: 5922202 (1999-07-01), Elgas et al.
patent: 6171678 (2001-01-01), Holeschovsky et al.
patent: 2003/0134081 (2003-07-01), Holeschovsky et al.
patent: 57-101078 (1982-06-01), None
patent: 04-039135 (1992-02-01), None
patent: 08-323930 (1996-12-01), None
English translation of JP 57-101078.

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