Headless rivet

Details Headless rivet Headless rivet

1989-07-07

1990-12-18

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Fastener securing element

411455, 411504, 29520, 295252, F16B 1906, F16B 2100

Patent

active

049782703

ABSTRACT:
A headless rivet is disclosed as made from steel or suitable material that provides superior compressive strength compared to conventional rivets and to that of a material to be riveted together and of a height or axial thickness equal to the sum of the materials to be riveted, the rivet having flat end surfaces and a shoulder interposed therebetween with curved neck portions extending from said shoulder to said flat ends. The curved neck portions have a predetermined radius and a predetermined depth of concavity determined according to the height of the rivet. Another embodiment discloses a rivet having ridges interposed between the shoulder and the flat ends including respective neck portions extending from said shoulder to said ridges to said flat ends.

REFERENCES:
patent: 4l30922 (1978-12-01), Koett
patent: 3270793 (1966-09-01), Polmon
patent: 3349649 (1967-10-01), Mele
patent: 3571903 (1971-03-01), Persson
patent: 3909913 (1975-10-01), Tildesley

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