Method of attaching a fastener element to a metal panel

Details Method of attaching a fastener element to a metal panel Method of attaching a fastener element to a metal panel

2008-07-22

2008-07-22

Cozart, Jermie E (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C029S509000, C029S525010, C029S525050, C029S525060, C029S525110, C029S283500, C029S243500, C403S274000, C403S282000, C403S283000, C072S470000

Reexamination Certificate

active

07401394

ABSTRACT:
In a method for inserting a bolt element (10) having a head portion (12) and a shaft portion (16) into a sheet metal component (52) the bolt element is passed through the sheet metal component by means of a setting head (38), with its end (100) remote from the head portion at the front, and is riveted to the sheet metal component (52) in the region of its head portion (12) by the cooperation of the setting head with a die (54) arranged at the side of the sheet metal component remote from the setting head (38). The sheet metal component (52) is pierced either by a hole punch or by the specially shaped bolt element (10), by the end of the shaft portion (16) remote from the head portion (12) under the action of the setting head (38), to form a ring collar which is subsequently deformed radially into contact with a groove in the shaft portion. In this arrangement the end (100) of the bolt element (10) which performs the punching work is preferably executed in accordance with the Ka shape of DIN 78.

REFERENCES:
patent: 4389766 (1983-06-01), Capuano
patent: 5140735 (1992-08-01), Ladouceur
patent: 5174018 (1992-12-01), Muller
patent: 5423645 (1995-06-01), Muller et al.
patent: 5502888 (1996-04-01), Takahashi et al.
patent: 6125524 (2000-10-01), Mueller
patent: 6257814 (2001-07-01), Muller
patent: WO 9526256 (1995-10-01), None

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