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CT NAT de la RECH SCIENT ET CO
Centre National de la Recherche Scientifique CNRS
Original Assignee
CT NAT de la RECH SCIENT ET CO
Centre National de la Recherche Scientifique CNRS
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Application filed by CT NAT de la RECH SCIENT ET CO, Centre National de la Recherche Scientifique CNRSfiledCriticalCT NAT de la RECH SCIENT ET CO
Priority to FR985231ApriorityCriticalpatent/FR1426154A/fr
Application grantedgrantedCritical
Publication of FR1426154ApublicationCriticalpatent/FR1426154A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
B21C37/15—Making tubes of special shape; Making tube fittings
B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
B21C37/29—Making branched pieces, e.g. T-pieces
B21C37/292—Forming collars by drawing or pushing a rigid forming tool through an opening in the tube wall
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR985231A1964-08-141964-08-14Procédé et appareil pour la formation de tés à partir de tubes métalliques
ExpiredFR1426154A
(fr)
Procédé pour bobiner du treillis métallique et pour en cercler les bobines, appareil pour l'exécution de ce procédé et bobines de treillis cerclées obtenues