Title:
ARTIFICIAL FEATHER FOR USE IN SHUTTLECOCK, SHUTTLECOCK, AND METHOD FOR PRODUCING ARTIFICIAL FEATHER FOR USE IN SHUTTLECOCK
Document Type and Number:
WIPO Patent Application WO/2012/011498
Kind Code:
A1
Abstract:
An artificial feather for use in a shuttlecock is provided with a thin-film feather part that corresponds to the vane of a feather and imitates a natural feather, and a rod-shaped feather shaft part that corresponds to the shaft of a feather and extends in an integrally connected manner from the upper tip to the bottom end thereof. The feather shaft part is obtained by mutually adhering a core part comprising a material that is relatively low in density and soft, and an outer shell part comprising a material that is denser and more rigid compared to the core part. In a cross-section view, the outer shell part covers the sides of the core part, and extends from the tip to the end of the feather shaft part.
Inventors:
YONEYAMA WATARU (JP)
TANAKA KENSUKE (JP)
MIYAZAKI SEIYA (JP)
TANAKA KENSUKE (JP)
MIYAZAKI SEIYA (JP)
Application Number:
PCT/JP2011/066469
Publication Date:
January 26, 2012
Filing Date:
July 20, 2011
Export Citation:
Assignee:
YONEX KK (JP)
YONEYAMA WATARU (JP)
TANAKA KENSUKE (JP)
MIYAZAKI SEIYA (JP)
YONEYAMA WATARU (JP)
TANAKA KENSUKE (JP)
MIYAZAKI SEIYA (JP)
International Classes:
A63B67/19
Domestic Patent References:
| WO2010074234A1 | 2010-07-01 |
Foreign References:
| JPS59150475U | 1984-10-08 | |||
| JP2008206970A | 2008-09-11 | |||
| JPS5340335A | 1978-04-12 |
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
All international patent business corporation (JP)
All international patent business corporation (JP)
Download PDF:
Claims: