Title:
運動用品に使用するための天然の羽根の改質
Document Type and Number:
Japanese Patent JP6928758
Kind Code:
B2
Abstract:
Methods, apparatus and kits for modifying natural feathers that are used in sporting goods that result in long lasting feathers with increased mechanical stability, reliability and durability as well as improved flight consistency are disclosed. Some of the sporting goods that use natural feathers are badminton shuttlecocks, arrow fletchings, and darts. The disclosed methods consist of controlled treatment of feather shuttlecocks with crosslinking agents to crosslink the keratin protein present on the natural feathers of the shuttlecock.
Inventors:
ANAND, Syam Prasad
SRINIVAS, Harish
SRINIVAS, Harish
Application Number:
JP2018513554A
Publication Date:
September 01, 2021
Filing Date:
September 09, 2016
Export Citation:
Assignee:
Dura Bard LLC
International Classes:
A63B67/183
Domestic Patent References:
| JP2005334084A | ||||
| JP6321078A | ||||
| JP6359484A | ||||
| JP5595870B2 |
Foreign References:
| US20120052993 | ||||
| GB1441110A | ||||
| CN102974084A | ||||
| US20060228161 | ||||
| US20070287018 |
Attorney, Agent or Firm:
Haruo Awano