Metal deforming – By use of roller or roller-like tool-element – Comprising tool movable relative to stationary work-portion...
Reexamination Certificate
2007-04-17
2007-04-17
Larson, Lowell A. (Department: 3725)
Metal deforming
By use of roller or roller-like tool-element
Comprising tool movable relative to stationary work-portion...
C072S306000, C029S243580
Reexamination Certificate
active
11174898
ABSTRACT:
A flanging apparatus for use in roller hemming with a robotic hemming roller and a roller hemming anvil having a peripherally disposed hemming surface includes a tool insert having a flanging surface including a peripherally disposed flanging edge of a shape generally corresponding to a shape of the hemming surface of the hemming anvil. The flanging edge is set at an angle for flanging or pre-bending an outer metal panel used to form a closure panel. The insert is adapted to mount relative to the roller hemming anvil and the outer panel. The outer panel is flanged against the tool insert flanging surface using the hemming roller. Thereafter the tool insert is removable to allow the hemming roller to finish hem together an inner metal panel disposedly nested on the flanged outer panel.
REFERENCES:
patent: 6425277 (2002-07-01), Wiens
patent: 6804981 (2004-10-01), Maier
Bonk Teresa M.
Fildes & Outland, P.C.
Tesco Engineering, Inc.
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