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Apparatuses and methods for rolling angled threads
专利权人:
Terry L. Flegel
发明人:
Terry L. Flegel,V. Brian Shook
申请号:
US12836174
公开号:
US08726711B2
申请日:
2010.07.14
申请国别(地区):
US
年份:
2014
代理人:
摘要:
In various embodiments, a tapered thread roll, a set of tapered thread rolls, a thread rolling tool, and a thread rolling method are provided for rolling angled or tapered threads onto a workpiece to create a threaded workpiece. In at least one embodiment, the threaded workpiece may comprise a polished rod or a polished rod precursor as specified by the American Petroleum Institute for use in an oil-field sucker-type pump, for example.
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