Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1998-08-03
2000-07-25
Cuda, Irene
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
29890044, 29890052, B26P 1525
Patent
active
060922850
ABSTRACT:
A process and a device produces a linkage of a hollow cylindrical air/fuel ratio detector holder to an opening for the impingement of the air/fuel ratio detector, which is fastened into the holder, to an exhaust pipe equipped with exhaust gas. A desired finished shape is given through internal high-pressure remodeling of a blank pipe. During this process, internal high-pressure remodeling creates a contact surface on the exhaust pipe which is formed by a buckling. The contact surface is created in the inverted shape of the contact contour of the casing surface of the holder so that a dimensionally stable linkage of an air/fuel ratio detector holder to an exhaust pipe is achieved simply.
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Bonny Pierre
Huelsberg Thomas
Cuda Irene
Daimler-Chrysler AG
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