Metal deforming – By use of tool acting during relative rotation between tool... – With cutting of work or product
Reexamination Certificate
2007-07-31
2007-07-31
Banks, Derris H. (Department: 3725)
Metal deforming
By use of tool acting during relative rotation between tool...
With cutting of work or product
C072S703000, C219S119000
Reexamination Certificate
active
10806676
ABSTRACT:
An article for texturing an electrode having a tip hardness and a tip contour is disclosed. The article includes a plate having an upper surface and a lower surface, and an indentation in at least one of the upper and the lower surface. The indentation includes a textured surface having a plurality of asperities. The textured surface has a hardness greater than the tip hardness of the electrode. The texture of the textured surface is imprinted into the tip of the electrode in response to the tip of the electrode and the textured surface being pressed against each other.
REFERENCES:
patent: 1052193 (1913-02-01), Vogt
patent: 3278720 (1966-10-01), Dixon
patent: 3304857 (1967-02-01), Schmidt, III
patent: 4972047 (1990-11-01), Puddle et al.
patent: 1 554 297 (1979-10-01), None
“Guidelines to Resistance Spot Welding Aluminum Automotive Sheet”.The Aluminum Association. T10. pp. 7-8.
Banks Derris H.
Bonk Teresa M.
General Motors Corporation
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