Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed fastener element with securing means and biasing spring
Patent
1984-02-28
1986-11-18
Bell, James J.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Headed fastener element with securing means and biasing spring
428 35, 428224, 428399, 428400, 411417, F16B 2100
Patent
active
046232907
ABSTRACT:
An externally threaded fiber-reinforced plastic member comprising a shank and an integral thread on the exterior surface on the shank, in which a plurality of first strands are arranged substantially in parallel and extending longitudinally of the axis of said shank and a plurality of second strands are arranged substantially in parallel and substantially in perpendicular relation to said first strands has a unique interior structure in which most of the resin-impregnated fiber-filaments existing within the thread extending substantially in a plane including a cross-section of the threaded member are those extending continuously from and laterally of the shank into the thread. Such an externally threaded member having satisfactory mechanical strengths, and can be produced with high productivity and at low cost, utilizing the pultrusion technique, although the production method is not limited thereto.
REFERENCES:
patent: 2928764 (1960-03-01), Magoon
patent: 2943967 (1960-07-01), Simon
patent: 3495494 (1970-02-01), Scott
patent: 4143199 (1979-03-01), Bardon et al.
patent: 4355061 (1982-10-01), Zeigler
Kikuzawa Kenji
Otaki Yukio
Asahi Kasei Kogyo Kabushiki Kaisha
Bell James J.
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