Blind riveting assembly

Details Blind riveting assembly Blind riveting assembly

1991-06-28

1992-12-01

Larson, Lowell A.

Threaded, headed fastener, or washer making: process and apparat

Process

Making headed fastener, e.g., rivet or nail, etc.

411 70, B21K 160

Patent

active

051675854

ABSTRACT:
A blind rivet assembly comprising a flanged rivet body and a mandrel having a stem provided with extension means wherein wire fed to mandrel-forming means is first subjected to at least one operation to form a series of indentations on the surface of the feed wire. This may be carried out by a plurality of pairs of indenting rolls arranged symmetrically around the feed wire.

REFERENCES:
patent: 333323 (1885-12-01), Morgan
patent: 1654077 (1927-12-01), Griffiths
patent: 2821727 (1958-02-01), Corckran
patent: 3213898 (1965-10-01), Le Grady et al.
patent: 3696702 (1972-10-01), Krause
patent: 3810376 (1974-05-01), Elle

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