Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Deformable securing means
Patent
1998-05-08
1999-06-01
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Deformable securing means
411 43, 411258, 411930, F16B 1304, F16B 1900
Patent
active
059082771
ABSTRACT:
The present invention relates to a lockbolt and a method for installing a lockbolt that removes a coating, such as a sealant that has inadvertently flowed into a hole into which the lockbolt is to be installed. The lockbolt and method prevent a coupling surface of the lockbolt from being contaminated by the coating.
REFERENCES:
patent: 3122050 (1964-02-01), Wenson
patent: 3139786 (1964-07-01), Ardell
patent: 5265994 (1993-11-01), Johnston et al.
Nelson Lawrence W.
The Boeing Company
Wilson Neill
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