Tubing material, double wall steel tubes and method of manufacturing a double wall steel tube

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United States of America Patent

PATENT NO 10221989
APP PUB NO 20170030509A1
SERIAL NO

15099732

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Abstract

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A double wall steel tube includes an inner tube wall and an outer tube wall. The inner and outer tube walls are formed from a tubing material including an inner layer of iron steel, first and second outer layers of an alloy of aluminum and silicon, a first intermediate layer disposed between the inner layer and the first outer layer, and a second intermediate layer disposed between the inner layer and the second outer layer. The first and second intermediate layers include aluminum, silicon and iron. The inner and outer tube walls are brazed together.

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Patent Owner(s)

  • COOPER STANDARD AUTOMOTIVE INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gopalan, Krishnamachari Troy, US 46 129
Otremba, Lyle Bloomfield Hills, US 1 0
Ramirez, Jose Reyes Flores Amsterdam, NL 1 0

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