Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Thread or shank structure
Patent
1988-12-16
1992-05-19
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Thread or shank structure
411424, 411901, 411908, 156391, 156393, F16B 3504, B32B 3100
Patent
active
051142902
ABSTRACT:
A threaded member including a core, a thread-defining element helically extending around and along the core and a reinforcing tubular fabric layer bonded to the exterior surface of the combined core and thread-defining element. The radial projection of the thread-defining element defines a helical thread whose contour is followed by the fabric layer and the exterior surface of the threaded member. The composite threaded member may be formed by forming a braided or knit fabric layer on an elongated spiral wrapped core. The spiral wrapped thread-defining element and the fabric reinforcing layer is bonded to the core. A polymer sheath protects the underlying structure.
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Report No. AFWAL-TR-87-3085 by John W. Herrick, Title-Fastener/Joining Method for Carbon-Carbon Structures Multidirectional Carbon-Carbon Fasteners, date--Jan. 5, 1988 (cited by Applicant in Paper #12).
Advertisement by Tiodize Co., p. 29, Advanced Composites Nov./Dec. 1988.
Tough Composites Advance Aerospace Race, Engineering News.
Ronyak David M.
The B. F. Goodrich Company
Wilson Neill R.
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