Metal deforming – Process – With attenuation – thickening – elongating or shortening of...
Patent
1998-06-04
2000-09-26
Larson, Lowell A.
Metal deforming
Process
With attenuation, thickening, elongating or shortening of...
723792, B21K 174
Patent
active
061229512
ABSTRACT:
A method of manufacturing a disc brake backing plate with an edge hole which comprises the steps of first forming two substantially parallel grooves on the outer surface of the backing plate to define a raised section between the grooves. A channel is then formed within the raised section to define two ridges bounding the channel. Finally, the ridges are bent toward each other to define the hole.
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patent: 4569424 (1986-02-01), Taylor, Jr.
patent: 5141083 (1992-08-01), Burgoon
patent: 5358086 (1994-10-01), Muller
patent: 5388675 (1995-02-01), Kahr
patent: 5427213 (1995-06-01), Weiler
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