发明名称 |
Tap with a non-cutting pilot |
摘要 |
A tap is disclosed wherein a cutting zone has bottom teeth with axial and radial form relief. A pilot means below the cutting zone has at least one zone of axial and radial form relief oriented opposite from the teeth form relief. A flute extends through both pilot means and cutting zone.
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申请公布号 |
US5562371(A) |
申请公布日期 |
1996.10.08 |
申请号 |
US19950473448 |
申请日期 |
1995.06.07 |
申请人 |
LOCK-N-STITCH INTERNATIONAL |
发明人 |
REED, GARY J. |
分类号 |
B23G5/06;(IPC1-7):B23G5/06;B23B51/00 |
主分类号 |
B23G5/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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