Title:
BADMINTON SHUTTLECOCK AND METHOD OF MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2013/077183
Kind Code:
A1
Abstract:
Provided are a badminton shuttlecock which can be struck well and has good flying characteristics, as well as improved uniformity of resilience and quality, and a shuttlecock manufacturing method with which a solvent bonding agent is not used. With a shuttlecock in which feathers are inserted into a hemispherical base part, the feather shafts of the feathers which configure the shuttlecock with the hemispherical base part and/or the binding thread are bonded with an ultraviolet-hardened bonding agent. In the shuttlecock manufacturing method, an ultraviolet-hardened bonding agent with less than 5weight% of volatile solvent component is applied to the parts of the feather shafts which are inserted into the hemispherical base part and/or the binding thread. Thereafter, ultraviolet is projected, hardening the ultraviolet-hardened bonding agent.
Inventors:
OHARA YOSHIYUKI
Application Number:
PCT/JP2012/078794
Publication Date:
May 30, 2013
Filing Date:
November 07, 2012
Export Citation:
Assignee:
GOSEN KK (JP)
International Classes:
A63B67/18
Domestic Patent References:
| WO2010074234A1 | 2010-07-01 | |||
| WO2011021512A1 | 2011-02-24 |
Foreign References:
| JPS6485268A | 1989-03-30 | |||
| JPS6321078A | 1988-01-28 | |||
| JPS6485209A | 1989-03-30 |
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (JP)
Patent business corporation Ikeuchi and Sato and partners (JP)
Patent business corporation Ikeuchi and Sato and partners (JP)
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