B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K5/00—Gas flame welding
B23K5/02—Seam welding
B23K5/06—Welding longitudinal seams
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
H01B13/2633—Bending and welding of a metallic screen
Bande a chauffage electrique pour la realisation d'une jonction par manchon pour canalisation tubulaire thermiquement isolee, et son procede de fabrication
Element tubulaire isole pour la realisation d'installations aeriennes vehiculant des fluides, procede pour sa realisation et installations constituees de tels elements