Method of producing thrust washers

Details Method of producing thrust washers Method of producing thrust washers

1977-05-03

1979-05-01

Mehr, Milton S.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflectors arranged to bend work longitudinally of...

72171, B21D 5320

Patent

active

041517334

ABSTRACT:
A method of producing thrust washers in which a blank material in the form of a flat bar is forced to pass between an upper and a lower forming rolls arranged as a pair. The blank material is pressed onto one of the forming rolls to be bent in the breadthwise direction to become a thrust washer. The upper and the lower rolls cooperate with each other in defining therebetween a groove having a configuration corresponding to the cross section of the article to be obtained, through which the blank is made to pass. This method ensures an economical production of ring-shaped or arcuately shaped articles having accurate dimensions.

REFERENCES:
patent: 2043665 (1936-06-01), Iversen
patent: 2365882 (1944-12-01), Kane
patent: 3704616 (1972-12-01), Taira
patent: 3842473 (1974-10-01), Cooper

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