发明授权
- 专利标题： Method for drawing yarn
- 专利标题（中）： 纱线拉丝方法
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申请号： US901034申请日： 1978-04-28
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公开(公告)号： US4229404A公开(公告)日： 1980-10-21
- 发明人: Charles S. Hatcher , Kenneth E. Smith
- 申请人： Charles S. Hatcher , Kenneth E. Smith
- 申请人地址： OK Bartlesville
- 专利权人： Phillips Petroleum Company
- 当前专利权人： Phillips Petroleum Company
- 当前专利权人地址： OK Bartlesville
- 主分类号： D02J1/22
- IPC分类号： D02J1/22 ; B29C17/02
摘要：
A plurality of yarns are drawn from supply sources onto feed rolls and over a set of draw rolls in adjacent relationship. The yarns are urged into a desired contiguous relationship on the draw rolls by a concave guide surface in the course of passing from the yarn feed rolls to the draw rolls.
公开/授权文献
- US5880611A Reset circuit using comparator with built-in hysteresis 公开/授权日：1999-03-09
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