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US 5,514,348 AGranted
Plated steel sheet and housing including the sheet
AssigneeEMITEC Gesellschaft fuer Emissionstechnologie mbH
InventorsJurgen Bayer, Klaus Haller
Life of this patent
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Abstract
A plated steel sheet for producing housings or tubes or the like includes a foundation material forming a middle layer having first and second sides. A coating of an austenitic special steel is disposed on the first side. A coating of a ferritic special steel is disposed on the second side. In a housing for a catalytic converter being made of the plated steel sheet, the second side having the coating of ferritic special steel forms an inner surface of the housing.
Claims3
A catalytic converter housing, comprising:
- a plated steel sheet including:
- a middle layer of deep drawing steel having a first side and having a second side, said second side forming an inner surface of the housing;
- a coating of an austenitic special steel disposed on said first side;
- and
- a coating of a ferritic special steel disposed on said second side.
2 more elements
Dependencies are inferred from the claim text.