发明名称 AN ARTIFICIAL FEATHER FOR SHUTTLECOCKS AND METHOD OF MANUFACTURING SUCH A FEATHER
摘要 The feather comprises a shaft (1) and projecting vane portions (2, 3) manufactured in one piece by heat forming, e.g. heat pressing, of a blank from a plast material, e.g. a thermoplast, such as polyurethane with fiber reinforcement of the shaft (1), e.g. carbon fibers in a composite material, the vane portions (2, 3) being formed integrally with the remainder of the shaft cross-section obtained by the heat pressing a final thickness of less than 0,2 mm and properties substantially corresponding to those of natural feathers.
申请公布号 DE3567155(D1) 申请公布日期 1989.02.09
申请号 DE19853567155 申请日期 1985.10.18
申请人 CARBON BALL APS 发明人 KAMSTRUP-LARSEN, JORGEN
分类号 A63B67/18 主分类号 A63B67/18
代理机构 代理人
主权项
地址