Method for joining thin plates stacked on one another

Details Method for joining thin plates stacked on one another Method for joining thin plates stacked on one another

1988-04-01

1989-05-23

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Assembling or joining

29521, 295221, 403285, B21D 3903

Patent

active

048317110

ABSTRACT:
Method and apparatus for fastening thin plates (4, 5) overlying one another, via a fastening element formed from the material, which element is obtained by partial stamping separation and/or deforming of plate areas (10, 11) out of the plate plane via a male die (1, 21, 26) and a female die (2, 3, 23 and 31, 32) with subsequent compressing of the plate areas, wherein the plate areas (10, 11) that as the fastening element grip the stamping or deforming hole from behind are leveled into the plate plane, so that after the machining, on the outer surface of the plates that have been fastened together, no nubs remain that are noticeable from the outside.

REFERENCES:
patent: 2122557 (1938-07-01), Canter
patent: 3404648 (1968-10-01), Rosbottom
patent: 3771216 (1973-11-01), Johnson
patent: 4531279 (1985-07-01), Gunter
patent: 4757609 (1988-07-01), Sawdon
patent: 4760634 (1988-08-01), Rapp

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