发明授权
- 专利标题: Apparatus for punching holes in boards
- 专利标题(中): 用于在板上冲孔的装置
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申请号: US421923申请日: 1982-09-23
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公开(公告)号: US4459891A公开(公告)日: 1984-07-17
- 发明人: Jared R. Kies , Steve A. Oravecz
- 申请人: Jared R. Kies , Steve A. Oravecz
- 申请人地址: OH Toledo
- 专利权人: Owens-Corning Fiberglas Corporation
- 当前专利权人: Owens-Corning Fiberglas Corporation
- 当前专利权人地址: OH Toledo
- 主分类号: B26F1/24
- IPC分类号: B26F1/24
摘要:
The apparatus includes a rotatably mounted roll having an elastomeric sleeve with nails mounted therein at equal angles respectively to corresponding imaginary radial lines of the roll.
公开/授权文献
- US5682201A Method and device for generating pixel signals 公开/授权日:1997-10-28