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
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Holders For Apparel And Elements Relating To Apparel
(AREA)
Procédé de fabrication d'un raccord de tube sur un tronçon cintré de tube, outillage pour la mise en oeuvre de ce procédé et raccord de tube obtenu par ledit procédé
Clou, particulierement pour chaussures, avec tige presentant une partie cylindrique et une partie a section carree proche de la pointe et procede de fabrication correspondant