Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – With hole forming means
Patent
1996-07-12
1998-04-21
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
With hole forming means
411 43, 2952506, F16B 1304, B23P 1102
Patent
active
057410992
ABSTRACT:
A self-tapping, blind setting rivet assembly to secure two or more work pieces together and suitable for power or hand tool application. The rivet assembly comprises a rivet body having a hollow tubular sleeve and an enlarged flattened head. The rivet body surrounds a mandrel comprising a shank which is terminated in a screw tip. This screw tip punctures, spreads, and self-taps an aperture in the work pieces through which the rivet sleeve passes. The mandrel's shank may have a weakened area of reduced diameter adjacent to the screw tip which allows detachment of shaft following application of sufficient axial force to the shank. This application of force causes the tapered shoulder section of the screw tip to compress and deform the rivet sleeve which sets the rivet.
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Asar Group, Inc.
Wilson Neill R.
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