Stuck threaded member extractor tool and extraction methods
Disclosed is a tool having a tapered first portion configured to translate a rotational force to the stuck member, a second portion connecting with the first portion and configured to translate the rotational force to the tapered first portion, a planar tip at an end of the first portion and perpendicular to a central axis passing through the first portion and the second portion, a plurality of left-handed splines extending helically around the central axis from the tip toward the second portion, a driver engaged with the second portion and configured to receive a third rotational force from a mechanical manipulator, and a leak seal connected to the driver and configured to form a seal around the stuck member and at least a portion of the driver and prevent gases opposite the stuck member from escaping.
- Research Organization:
- Knolls Atomic Power Laboratory (KAPL), Niskayuna, NY (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC11-98PN38206
- Assignee:
- U.S. Department of Energy
- Patent Number(s):
- 9,248,561
- Application Number:
- 14/107,820
- OSTI ID:
- 1237285
- Resource Relation:
- Patent File Date: 2013 Dec 16
- Country of Publication:
- United States
- Language:
- English
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