Reinforced racket frame and method of producing same

Details Reinforced racket frame and method of producing same Reinforced racket frame and method of producing same

A - Human Necessities

63

B

273/163, 26/204

A63B 49/00 (2006.01)

Patent

CA 1155467

ABSTRACT A method of producing a racket frame, in which multiple layers of wooden strips are laminated to form a racket frame. An elongate groove is made at least in a wooden strip of mid layer on the side perpendicular to the string of the racket. The groove includes a shallow elongate central portion and two deeper elongate portions joining longitudinally with the central portion. A reinforcing material is filled in the groove and the mid layer is then plied with the wooden strips of other laysers by means of adhesive. The preformed frame is heated and the reinforcing material sets in the groove and form an integral body therewith. The racket frame comprises, a plurality of elongate wooden strips laminated and fabricated to form a frame; and a reinforcing material being sandwiched in the mid part of the frame. The reinforcing material extends longitudinally along the frame and have a structure in which the cross section is narrow at the central part and broad about two ends.

379568

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