Pull through blind rivet

Details Pull through blind rivet Pull through blind rivet

1982-06-28

1985-02-05

Holko, Thomas J.

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

Having separate expander means

Bulged by axially contracting ends

411 70, 411183, 411437, F16B 1304, F16B 3704

Patent

active

044976038

ABSTRACT:
A blind fastener of the pull through rivet type having a mandrel disposed in a hollow rivet having a flange end and a forming end, the mandrel has a head disposed adjacent the forming end and adapted to be pulled through the rivet body. The invention being in the mandrel head having a predetermined configuration acting on the forming end of the rivet while being pulled through the rivet body to upset the forming end of the rivet to provide inwardly disposed flanges. Additionally, the mandrel head configuration also upsets the rivet body and the opening in the workpiece enabling the rivet to have optimum torque carry capacity.

REFERENCES:
patent: Re22543 (1944-09-01), Tinnerman
patent: 2184783 (1939-12-01), Tinnerman
patent: 2369670 (1945-02-01), Gookin
patent: 2432949 (1947-12-01), Thorngren
patent: 2954718 (1960-10-01), Brilmyer
patent: 3304830 (1967-02-01), Schackelford
patent: 3555673 (1971-01-01), Summerlin
patent: 3797358 (1974-03-01), Allender
patent: 3880042 (1975-04-01), Binns

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