RACKET STRING AND METHOD FOR PRODUCING THE SAME AND RACKET STRUNG WITH THE SAME
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United States of America Patent
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Issued Date -
Jun 9, 2011
app pub date -
Jun 9, 2010
filing date -
Jun 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
that are arranged with a predetermined clearance therebetween; and then cooling and winding up the string. In a racket strung with the racket string of the present invention, a principal surface of a hitting surface of the racket is formed of the flat surfaces of the string, and the strings include uneven portions due to torsion that are present partially and non-uniformly on the hitting surface of the racket. Thus, the present invention provides a racket string that can make full use of the features of the flat surface, a method for producing the racket string, and a racket strung with the racket string.
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