Preform, hydroforming method, and hydroformed product

A preform having edges overlapped and jointed, two outer members for forming outer surfaces of a hydroformed product, and reinforcement members for forming reinforcement ribs that divide a hollow cross section of the hydroformed product, including a joint formed by, when more than three sheet materi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KANAFUSA HIDETO, WATARI TOMOAKI, HARAOKA TAKASHI, HIROTA TOMOYUKI, MINAGAWA HAJIME, MAJIMA SATORU, YOSHITOME MASAAKI, UENO KAZUTO, MITAMURA KAZUHIRO, OOE SHINJI
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FENCING FIXED CONSTRUCTIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACHINE TOOLS MASTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING SWIMMING OR SPLASH BATHS OR POOLS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TENTS OR CANOPIES, IN GENERAL TRANSPORTING WELDING WORKING BY LASER BEAM WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A preform having edges overlapped and jointed, two outer members for forming outer surfaces of a hydroformed product, and reinforcement members for forming reinforcement ribs that divide a hollow cross section of the hydroformed product, including a joint formed by, when more than three sheet materials for forming the outer members and the reinforcement members are overlapped together, welding a first sheet material on a surface of the overlapped sheet materials to a second sheet material positioned inside the first sheet material, and a space disposed and aligned with a joint plane between the second sheet material and a third sheet material located inside the second sheet material during the welding process.