Self-plugging blind rivet

Details Self-plugging blind rivet Self-plugging blind rivet

1992-01-17

1993-10-12

Wilson, Neill R.

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

Having separate expander means

Frangible member

411 38, 411 70, F16B 1304, F16B 1306

Patent

active

052520137

ABSTRACT:
A self-plugging blind rivet, of the kind comprising a tubular body having a head and a shank which is deformed by means of a headed stem which is disposed in the body and pulled so as to form a blind head and, if necessary, to cause the shank to bulb so as to grip workpieces of lesser thickness than the maximum for which the rivet is designed, is so shaped and dimensioned as to avoid the need for a crimping or hardening operation to be performed on the shank. Thus the shank is made of uniform hardness, and has a waist and a tail portion, the waist being of reduced external diameter compared with the tail portion, and the tail portion having a length B and an external diameter D which are related to satisfy the expression

REFERENCES:
patent: 2030166 (1936-02-01), Huck
patent: 2030167 (1936-02-01), Miller
patent: 3286580 (1966-11-01), Jeal
patent: 4639174 (1987-01-01), Denham et al.
patent: 4958971 (1990-09-01), Lacey et al.
patent: 4988247 (1991-01-01), Summerlin

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