Title:
テニスラケットフレーム
Document Type and Number:
Japanese Patent JP4822177
Kind Code:
B2
Abstract:
A tennis racket frame is composed of a laminate of prepregs each containing carbon fibers serving as a reinforcing fiber thereof. At least one part of layers of the laminate is formed as a hard layer consisting of a prepreg composed of the reinforcing carbon fibers and a hard carbon film (DLC film) formed on the surface of the carbon fibers.
Inventors:
Takeshi Ashino
Kunio Niwa
Kunio Niwa
Application Number:
JP2005168838A
Publication Date:
November 24, 2011
Filing Date:
June 08, 2005
Export Citation:
Assignee:
sri sports corporation
International Classes:
A63B49/10; A63B49/02; A63B102/02
Domestic Patent References:
| JP200161997A | ||||
| JP2005105465A | ||||
| JP2003201388A | ||||
| JP2005131838A | ||||
| JP2003145632A | ||||
| JP2003277532A |
Attorney, Agent or Firm:
Kazumi Owada