Metal working – Method of mechanical manufacture – Catalytic device making
Reexamination Certificate
2005-11-30
2009-12-29
Bryant, David P (Department: 3726)
Metal working
Method of mechanical manufacture
Catalytic device making
C029S430000, C029S432000, C029S896600, C072S031070, C072S203000, C072S366200, C072S385000
Reexamination Certificate
active
07637011
ABSTRACT:
A process for producing a structure in a smooth sheet-metal strip includes multiple process steps. In a first step, a first section of a smooth sheet-metal strip is fed to a first tool and a second section of the sheet-metal strip is fed to a second tool in a direction of advance. Then the sheet-metal strip is stopped. A sheet-metal machining of the first section of the sheet-metal strip is carried out using the first tool. A sheet-metal machining of the second section of the sheet-metal strip is carried out using the second tool, with the first feeding step being carried out simultaneously. An apparatus is provided for producing a sheet-metal strip of such a complex structure, which produces the structure with a very high degree of accuracy even when the materials properties differ.
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Brück Rolf
Haesselmann Gottfried-Wilhelm
Hodgson Jan
Wieres Ludwig
Bryant David P
EMITEC Gesellschaft fuer Emissionstechnologie mbH
Greenberg Laurence A.
Locher Ralph E.
Stemer Werner H.
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