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1. US20060260376 - Tubular metal body, method of producing same, liner for pressure vessel and method of producing same

Office États-Unis d'Amérique
Numéro de la demande 10554112
Date de la demande 21.10.2005
Numéro de publication 20060260376
Date de publication 23.11.2006
Numéro de délivrance 7430888
Date de délivrance 07.10.2008
Type de publication B2
CIB
B21C 23/00
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
21TRAVAIL MÉCANIQUE DES MÉTAUX SANS ENLÈVEMENT SUBSTANTIEL DE MATIÈRE; DÉCOUPAGE DU MÉTAL À L'EMPORTE-PIÈCE
CFABRICATION DES TÔLES, FILS, BARRES, TUBES, PROFILÉS MÉTALLIQUES OU D'AUTRES PRODUITS SEMI-FINIS SIMILAIRES PAR D'AUTRES PROCÉDÉS QUE LE LAMINAGE; OPÉRATIONS AUXILIAIRES EN RELATION AVEC LE TRAVAIL DES MÉTAUX SANS ENLÈVEMENT SUBSTANTIEL DE MATIÈRE
23Extrusion des métaux; Extrusion par percussion
CPC
B21C 23/14
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
23Extruding metal; Impact extrusion
02Making uncoated products
04by direct extrusion
14Making other products
B21C 23/085
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
23Extruding metal; Impact extrusion
02Making uncoated products
04by direct extrusion
08Making wire, bars, tubes
085Making tubes
B21C 35/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
35Removing work or waste from extruding presses; Drawing-off extruded work
02Removing or drawing-off work
B21C 35/023
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
35Removing work or waste from extruding presses; Drawing-off extruded work
02Removing or drawing-off work
023Work treatment directly following extrusion, e.g. further deformation or surface treatment
B21C 37/08
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
37Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for
06of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
08Making tubes with welded or soldered seams
B21C 37/0803
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
37Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for
06of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
08Making tubes with welded or soldered seams
0803the tubes having a special shape, e.g. polygonal tubes
Déposants Showa Denko K.K.
Honda Motor Co., Ltd.
Inventeurs Osame Yasuhiro
Mandataires Oblon, Spivak, McClelland, Maier &; Neustadt, P.C.
Données relatives à la priorité 2003121286 25.04.2003 JP
2003121286 25.04.2003 JP
Titre
(EN) Tubular metal body, method of producing same, liner for pressure vessel and method of producing same
Abrégé
(EN)

A tubular metal body 1 comprises a tube 2 extruded through a porthole die and composed of a plurality of components 2b joined to one another with a plurality of joint portions 2a extending over the entire length of the tube. The base material metal of the extruded tube 2 in each of the joint portions 2a is subjected to a modifying treatment to produce finely divided crystal grains. The modifying treatment for the extruded tube 2 is conducted preferably by frictionally agitating each joint portion using a probe 8 of a friction agitation joining tool 6. The tubular metal body 1 is available with an increased length in a larger size and has high pressure resistance.

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