Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Frangible member
Patent
1996-02-21
1997-07-08
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Frangible member
411 38, 411501, F16B 1304, F16B 1908
Patent
active
056453833
ABSTRACT:
A blind rivet comprising a mandrel 2 and a sleeve 3 is provided with two external grooves 11, 12 of different cross-section. This enables the rivet to set on the blind side of a workpiece to form a taper 19 increasing in diameter towards the blind side of the workpiece 20.
REFERENCES:
patent: 4958971 (1990-09-01), Lacey et al.
patent: 5248231 (1993-09-01), Denham et al.
patent: 5496140 (1996-03-01), Gossmann et al.
Emhart Inc.
Murphy E. D.
Wilson Neill R.
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