Profile clamp and method for manufacturing a profile clamp

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United States of America Patent

PATENT NO 6383315
SERIAL NO

09696650

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Abstract

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A steel profile clamp is used to join flanged component parts. The profile clamp has at least partially conical side walls that are bent radially inwardly. The profile clamp has welding joints to maintain the shape of the clamp. The steel is martensitic for increased load-carrying capacity of the joint. The steel material, in an ambient temperature range of 20.degree. C. to 750.degree. C., has a coefficient of thermal expansion that is at least 0.3.times.10.sup.-6 m/m.degree. C. lower than that of the coefficient of thermal expansion of a ferritic casting material. The method for manufacturing the profile clamp includes prequenching and tempering the material of the profile clamp when it is in the form of a strip. After forming and welding the profile clamp, the weld is subject to induction tempering.

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Patent Owner(s)

Patent OwnerAddress
ABB SCHWEIZ HOLDING AGBROWN BOVERI STRASSE 6 5400 BADEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kreipe, Hans-Jurgen Brachttal, DE 3 13
Weisheit, Claus Dieter Bonndorf, DE 2 10

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