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1. WO1987006169 - A METHOD OF CARRYING OUT EXPLOSIVE WELDING

Publication Number WO/1987/006169
Publication Date 22.10.1987
International Application No. PCT/SE1987/000176
International Filing Date 07.04.1987
IPC
B23K 20/08 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
20Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
06by means of high energy impulses, e.g. magnetic energy
08Explosive welding
CPC
B23K 20/085
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
20Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
06by means of high energy impulses, e.g. magnetic energy
08Explosive welding
085for tubes, e.g. plugging
B23K 2101/06
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
2101Articles made by soldering, welding or cutting
04Tubular or hollow articles
06Tubes
Applicants
  • EXPLOWELD AB [SE]/[SE] (AllExceptUS)
  • PERSSON, Ingemar [SE]/[SE] (UsOnly)
Inventors
  • PERSSON, Ingemar
Agents
  • ÖRTENBLAD, Bertil
Priority Data
8601680-514.04.1986SE
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) A METHOD OF CARRYING OUT EXPLOSIVE WELDING
(FR) PROCEDE DE SOUDAGE EXPLOSIF
Abstract
(EN) A method in the explosive welding of planar or curved workpieces, in which a first workpiece shall be accelerated towards a second workpiece; in which the first workpiece has an explosive charge applied to the surface thereof that faces the second workpiece; and in which the explosive charge is brought into contact with an initiator disc for inspiring explosion of the explosive charge. The invention is characterized by applying the explosive charge (19) to a free edge (21) of the first workpiece (17) which is to be explosively welded to the second workpiece (18) and extending the explosive charge inwardly over the first workpiece (17) over an area which corresponds to a subsequent joint or weld region; and by giving the initiator disc (20) the form of a thin sheet of a highly brisance explosive substance and applying the sheet to and parallel with that side of the explosive charge (19) located at the aforementionend edge (21) of the first workpiece (17).
(FR) Dans le procédé de soudage explosif de pièces planes ou incurvées, une première pièce à souder doit être accélérée vers une seconde pièce à souder, la première pièce à souder possède une charge explosive appliquée sur sa surface qui est en regard avec la seconde pièce à souder, et la charge explosive est amenée en contact avec un disque initiateur pour amorcer la charge explosive. L'invention se caractérise par l'application de la charge explosive (19) sur un bord libre (21) de la première pièce à souder (17) que l'on doit souder par explosion sur la seconde pièce à souder (18) et la charge explosive est étendue vers l'intérieur par dessus la première pièce à souder (17) sur une zone qui correspond à un joint ou une région de soudure ultérieure, et en donnant au disque initiateur (20) la forme d'une feuille mince d'une substance explosive fortement brisante et en appliquant la feuille parallèlement et sur le côté de la charge explosive (19) situé au niveau du bord libre susmentionné (21) de la première pièce à souder (17).
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