Closed-end blind rivet with a crimped shank and method of...

Details Closed-end blind rivet with a crimped shank and method of... Closed-end blind rivet with a crimped shank and method of...

2005-02-15

2005-02-15

Saether, Flemming (Department: 3677)

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

Having separate expander means

Bulged by axially contracting ends

C411S043000

Reexamination Certificate

active

06854940

ABSTRACT:
A blind rivet having a mandrel with a predetermined breakable stem disposed within a body with a bored shank. A radial flange is formed on one end of the shank to engage a workpiece and at the other end of the shank there is disposed within the shank an enlarged head of the stem the diameter of which is greater than the diameter of the bore of the shank. The breakneck of the stem formed with at least two series of radial impressions formed around the circumference of the shank at predetermined distances from the flange. Ribs are formed alternately between the radial impressions in the same horizontal series therewith.

REFERENCES:
patent: 2324142 (1943-07-01), Eklund
patent: 3438301 (1969-04-01), Mattioli
patent: 5248231 (1993-09-01), Denham
patent: 5496140 (1996-03-01), Gossmann
patent: 5645383 (1997-07-01), Williams

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