Method of forming a tubular rivet in fastening relation to a plu

Details Method of forming a tubular rivet in fastening relation to a plu Method of forming a tubular rivet in fastening relation to a plu

Filed on

1982-06-16

Date issued

1984-05-15

Examiner

Moon, Charlie T.

Patent Class

Metal working

SubClass

Method of mechanical manufacture

SubSubClass

Assembling or joining

Other Related Categories

29522A, 29523, 29526R, 411 41, 411 43, 411 70, 403277, B21D 3900, B23P 1100

Type

Patent

Status

active

Patent number

044479441

Description

ABSTRACT:
A tubular rivet is formed having flared conical head portions in fastening elation to a plurality of laminates presenting outer surfaces that are inclined to planes normal to a bore through the laminates and having countersinks the axes of which are normal to the respective outer surfaces by means of a mandrel having a conical forming head on a bendable pull shaft extending through an annular anvil having a conical forming surface and adapted to swivel relative to the pull shaft.

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patent: 3489056 (1970-01-01), Blakeley
patent: 3657957 (1972-04-01), Slebol
patent: 3915055 (1975-10-01), Binns
patent: 3959866 (1976-06-01), Biddle et al.
patent: 4164807 (1979-12-01), King, Jr.
patent: 4221041 (1980-09-01), Hufnagl et al.

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