Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Frangible member
Patent
1993-06-24
1995-03-21
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Frangible member
411 82, 411 55, 411930, F16B 1304, F16B 3902
Patent
active
053990528
ABSTRACT:
There is disclosed an aerospace fastener system in which a threaded bolt fastener is secured with a free spinning threaded nut or collar and in which the engagement of the threaded members is fixedly secured by an adhesive. The length of the bolt fastener is preselected such that when the fastener is applied in a maximum grip condition, the end of the bolt fastener does not project beyond the top surface of the nut or collar, or is even slightly shorter than the length necessary to reach the top surface of the nut or collar. There is also disclosed a blind fastener system in which the adhesive is applied to the threads of the core screw of the blind fastener which are engaged upon installation of the fastener.
REFERENCES:
patent: 4164971 (1979-08-01), Strand
patent: 4285378 (1981-08-01), Wallace
patent: 4778318 (1988-10-01), Jeal
patent: 4832548 (1989-05-01), Strobel
patent: 4877363 (1989-10-01), Williamson et al.
patent: 4950115 (1990-08-01), Sadri
patent: 5000636 (1991-03-01), Wallace
patent: 5152648 (1992-10-01), Pratt
Ohlman Richard
Volkmann Josef F.
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