Line system for playing field

Details Line system for playing field Line system for playing field

1998-08-25

2000-04-11

Wong, Steven

Games using tangible projectile

Playing field or court game; game element or accessory...

Means for dividing field or court into compartments; element...

273DIG13, 428 17, A63B 6936, D03D 2700, A01N 300, B32B 302

Patent

active

060482826

ABSTRACT:
A method of visually marking a line in a natural grass turf playing surface by embedding a synthetic grass strip within the natural turf of football fields and the like. The synthetic strip has a middle band of light colored synthetic grass to mark the line and outer bands of green colored synthetic grass which blend in with the adjacent natural grass. Installation commences with cutting a shallow trench in the turf surface. The synthetic grass turf marking strip is laid into the trench and resilient granular ballast is deposited on the strip backing between upstanding grass-like tufted ribbons. The natural grass adjacent the outer green synthetic ribbons gradually grows into and blends with the outer edges of the outer synthetic green ribbon bands. The outer green colored bands inhibit the lateral spread of natural grass over the light colored middle band. The light colored middle band of synthetic ribbons remains clear of natural grass to mark visually playing field lines in a permanent manner requiring significantly less maintenance than conventional line marking systems.

REFERENCES:
patent: 3157557 (1964-11-01), Palmer
patent: 3513062 (1970-05-01), Vinicki
patent: 3727347 (1973-04-01), Barnes
patent: 3995079 (1976-11-01), Haas, Jr.
patent: 4044179 (1977-08-01), Haas, Jr.
patent: 4103886 (1978-08-01), Eley
patent: 4755401 (1988-07-01), Friedrich et al.
patent: 4946719 (1990-08-01), Dempsey
patent: 5586408 (1996-12-01), Bergevin
patent: 5830080 (1998-11-01), Reynolds
patent: 5958527 (1998-09-01), Prevost

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