RACKET STRINGS TENNIS

Brand Owner (click to sort) Address Description
HAMMERTEC WILSON SPORTING GOODS CO. 130 East Randolph Street, Suite 600 Chicago IL 60601 racket strings for tennis, squash, and racketball;HAMMER TECH;
MICROPOWER Ashaway Line & Twine Mfg. Co. 24 Laurel St. Ashaway RI 02804 racket strings for tennis, badminton, squash and racquetball rackets;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A tennis racket having a racket frame defining a ball-hitting face, wherein if the upper part of the ball-hitting face is set as a 0-degree position, a string protection member is mounted on at least one portion of a head part of the racket frame in a range from a clockwise 45-degree position to a clockwise 135-degree position and in a range from a clockwise 225-degree position to a clockwise 315-degree position by interposing a viscoelastic member between the string protection member and the racket frame. The moment (Is) of inertia of the tennis racket in a swing direction is set to not less than 450,000 g/cm