H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 3/42 (2006.01) B29C 45/27 (2006.01) B29C 45/73 (2006.01) H05B 3/46 (2006.01) H05B 3/48 (2006.01)
Patent
CA 2501868
A composite body has a base body made from steel and has a heating coating applied thereto. The base body is produced from a precipitation-hardened steel and has a round or arched surface for the heating coating when used as a distribution or material pipe in a heating channel system. Said heating coating is embodied as a layer composite with several layers and/or layer elements which are serially applied as thick layer pastes or films, dried and baked. A pressurised pre-stressing produced thus in the heating coating can be selectively increased by means of precipitation hardening of the base body.
L'invention concerne un corps composite présentant un corps de base en acier et un revêtement d'élément chauffant appliqué sur ledit corps de base. Ce corps de base est fabriqué à partir d'un acier à durcissement par précipitation et présente également, en tant que tube de matière ou de distribution dans un système de canaux chauffants, une surface circulaire ou courbée destinée à recevoir le revêtement d'élément chauffant. Ce revêtement forme un composite stratifié composé de plusieurs couches et/ou éléments de stratification appliqués successivement sous forme de films ou de pâtes en couches épaisses, séchés puis cuits. Une contrainte de compression produite alors dans ce revêtement d'élément chauffant est amplifiée de façon ciblée par le durcissement par précipitation du corps de base.
Guenther Herbert
Kretschmar Christel
Otschik Peter
Partsch Uwe
Fetherstonhaugh & Co.
Guenther Gmbh & Co. Metallverarbeitung
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