Playing surfaces

Details Playing surfaces Playing surfaces

1983-03-07

1989-04-18

Hafer, Robert A.

Undertaking

E01C 1300

Patent

active

048220264

ABSTRACT:
Substantially planar, horizontal athletic fields comprising a substrate provided with a finish or coating of particles of an elastic plastic in the form of flat plates or scales whose length is at least 1.5 times the thickness of the plate or scale and a method of improving the abrupt braking qualities of an athletic field and the said particles.

REFERENCES:
patent: 3736847 (1973-06-01), Hickey
patent: 3801421 (1974-04-01), Allen et al.
patent: 4341836 (1982-07-01), Becker

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