发明授权
- 专利标题: Friction disc for false twisting
- 专利标题(中): 用于假捻的摩擦盘
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申请号: US908674申请日: 1978-05-23
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公开(公告)号: US4159621A公开(公告)日: 1979-07-03
- 发明人: Christian Bru
- 申请人: Christian Bru
- 申请人地址: FRX Roanne
- 专利权人: ASA S.A.
- 当前专利权人: ASA S.A.
- 当前专利权人地址: FRX Roanne
- 优先权: FRX7716634 19770525
- 主分类号: D02G1/08
- IPC分类号: D02G1/08 ; D02G1/04
摘要:
A friction disc for use in false twisting has a convex, yarn contacting, peripheral surface and a recess on one or both faces adjacent the periphery, there being a sharp edge between the peripheral surface and recess.
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