Racquet strings
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United States of America Patent
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Aug 29, 1989
Grant Date -
N/A
app pub date -
Dec 16, 1987
filing date -
Dec 16, 1987
priority date (Note) -
Expired
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Abstract
A synthetic string for a sports racquet has an inner single strand or multifilament core, wrapped with one or more helically wound layers of large diameter strands of monofilament, and surrounded by an extruded coating of regular polygonal cross-section having 5 to 8 planar surfaces joined at parallel, axially extending biting edges which serve to impart greater topspin and slice control to the ball.
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