RELEASE ASSEMBLY AND METHOD OF FORMING DRILLING TOOL
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United States of America Patent
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Issued Date -
Apr 30, 2015
app pub date -
Oct 29, 2014
filing date -
Oct 30, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A release assembly and a method of forming a drilling tool for rock or overburden drilling is provided. The release assembly is arranged axially between two drilling tool components. The release assembly includes a release mechanism allowing an initial axial length to shorten when a joint of the drilling tool components provided with connecting threads is turned in an opening direction. The release assembly has a decreased second axial length and friction forces in the joint decrease.
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