发明授权
- 专利标题： Production of layered toothpicks
- 专利标题（中）： 生产分层牙签
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申请号： US159484申请日： 1980-06-16
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公开(公告)号： US4303605A公开(公告)日： 1981-12-01
- 发明人: William H. Lichfield
- 申请人： William H. Lichfield
- 专利权人： Lichfield William H
- 当前专利权人： Lichfield William H
- 主分类号： A61C15/00
- IPC分类号： A61C15/00 ; B26D1/00 ; B29C53/04 ; B31C5/00 ; B29C17/02 ; B29D7/18
摘要：
A method and tool for making tapered, layered plastic toothpicks from a solid plastic slab wherein a rapidly rotating tool having a single cutting edge configured to simultaneously cut and roll a thin film of plastic into a toothpick of the desired shape with each complete revolution is brought into contact with the plastic slab at a predetermined angle.
公开/授权文献
- US4863672A Absorber rod 公开/授权日：1989-09-05
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