Metal deforming – With cutting – By shearing tool-couple
Reexamination Certificate
2006-10-10
2006-10-10
Larson, Lowell A. (Department: 3725)
Metal deforming
With cutting
By shearing tool-couple
C072S447000, C083S688000
Reexamination Certificate
active
07117706
ABSTRACT:
A method and apparatus for forming attachment pads in an inner body panel for the precise attachment of an outer body panel thereto. The apparatus positions a fixed anvil at a predefined net reference position while a face plate simultaneously “finds” the panel and is mechanically locked into position. Thereafter, the apparatus forms the inner body panel between a forming die and the fixed anvil. The face plate maintains the location of the surface metal around the die, resulting in the formation of a raised pad the outermost surface of which is at the predefined net reference position. A single such apparatus can form raised pads having different predefined net reference positions for different attachment locations. A reciprocating punch having a variable stroke length selectively provides either a hole or a slot in the raised pad.
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patent: 3777601 (1973-12-01), Strandell
patent: 4760633 (1988-08-01), Dacey, Jr.
patent: 4981069 (1991-01-01), Matsui
patent: 5279197 (1994-01-01), Takeda et al.
patent: 5440912 (1995-08-01), Copeman
Larson Lowell A.
Utica Enterprises Inc.
VanOphem & VanOphem P.C.
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