Metal deforming – Process – Deforming sheet metal
Reexamination Certificate
2005-07-26
2005-07-26
Larson, Lowell A. (Department: 3725)
Metal deforming
Process
Deforming sheet metal
C428S603000
Reexamination Certificate
active
06920775
ABSTRACT:
The present invention is a crimping machine capable of forming an improved building panel that includes notched inclined side walls. The crimping machine imparts a unique design of notched inclined side walls. The crimping machine incorporates two sets of male and female crimping roller, wherein each set of crimping rollers imparts a notch in one of the inclined side walls. The crimping machine also includes a gap adjustment mechanism for simultaneously adjusting the distance between both sets of male and female crimping rollers.
REFERENCES:
patent: 4505084 (1985-03-01), Knudson
patent: 4579785 (1986-04-01), Karoubas
patent: 4962622 (1990-10-01), Albrecht et al.
patent: 5020295 (1991-06-01), Haines et al.
Harper Blaney
Jones Day
Larson Lowell A.
M.I.C. Industries, Inc.
Paige Russell O.
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