Synthetic turf game surface

DETAILED DESCRIPTION FIG.
1 schematically illustrates a fragment of a synthetic turf pile carpet 10.
The carpet has numerous, closely spaced, tufts 11 which are formed of U-shaped, flat, narrow bent strips or strands 12 that form artificial grass blades.
The turfs are fastened upon a base or backing sheet 14.
This sheet may be made of a woven cloth or the like fabric material formed of stable, weather resistant, plastic such as polypropylene or nylon fibers or the like.
The specific cloth must be flexible but, otherwise, may vary as to its composition.
As schematically illustrated in FIG.
1, the tufts are inserted around or through the fibers forming the base sheet.
A suitable binder layer 16 may be applied to bind the turfs and base sheet together.
The binder may be formed of a polyurethane adhesive material or some other suitable, outdoor usable adhesive which remains resilient or flexible.
The carpet is placed upon a resilient cushion underpad 18.
This underpad is formed of a relatively thick, molded sheet or pad of resilient, open cell, expanded bead polypropylene.
The sheet may be approximately between about 1/2 inch to 2 inches in thickness, with a preferred density of approximately 2.
36 pounds per cubic foot.
The density may be varied within the range of between about 1.
5 to 3 pounds per cubic foot.
The thickness of the pad, depending upon the particular results desired, may also be varied from about 1/4 inch thickness to as much as up to 12 inches thick.
With the carpet positioned upon the resilient cushion underpad 18, the upper portions of the strands or blades are sprayed with a blast of sand 20 or similar sand-like particulate material from a pressurized nozzle 21.
This blast of sand shreds each of the strand upper end portions into numerous slivers 23 (see FIG.
6).
The slivers extend laterally and intertwine and entangle together to form a dense mat 24.
The spray nozzle 21 may be moved back and forth from one side to the other in a scanner-like movement across the upper end portions of the blades formed by the strands