Title:
RACKET FRAME
Document Type and Number:
Japanese Patent JP3519350
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a racket frame which is improved in vibration attenuatability in a sufficient and adequate form.
SOLUTION: The racket frame 1 consisting of a molding having a fiber reinforced resin layer 10 is interposed with a viscoelastic material 9 having a loss coefficient (tanδ) of ≥1.0 and a thickness from 0.1 to 0.6 mm under conditions of a frequency 10 Hz and temperature 6°C as a vibration absorber in at least part of the fiber reinforced resin layer 10.
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| JPH03280974 | RACKET FRAME |
Inventors:
Ashino, Takeshi
Niwa, Kunio
Takeuchi, Hiroyuki
Kumamoto, Tomio
Niwa, Kunio
Takeuchi, Hiroyuki
Kumamoto, Tomio
Application Number:
JP2000236800A
Publication Date:
April 12, 2004
Filing Date:
August 04, 2000
Export Citation:
Assignee:
SUMITOMO RUBBER IND LTD
International Classes:
A63B49/10; A63B60/02; A63B60/54; A63B102/02; (IPC1-7): A63B49/10; A63B49/04
Attorney, Agent or Firm:
大和田 和美