Blind rivet and method of making same

Details Blind rivet and method of making same Blind rivet and method of making same

1990-05-04

1991-01-29

Wilson, Neill R.

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

Having separate expander means

Bulged by axially contracting ends

411 43, 411 69, F16B 1304

Patent

active

049882473

ABSTRACT:
A self-plugging blind rivet comprises a tubular shell shank having a preformed radially enlarged head at one end a region of increased diameter and hardness at the tail end, adjacent the head of the stem. The rivet is formed by compressing the stem and a plain cylindrical shell in a die having a portion of enlarged bore diameter at the tail end region, whereby the shell is expanded into the enlarged bore portion with resulting work hardening.

REFERENCES:
patent: 2030166 (1936-02-01), Huck
patent: 2030171 (1936-02-01), Huck
patent: 2397111 (1946-03-01), Huck
patent: 3286580 (1966-11-01), Jeal
patent: 4312613 (1982-01-01), Binns

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