The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 2011
Filed:
May. 12, 2009
Kazuto Ueno, Tokyo, JP;
Hajime Minagawa, Yokohama, JP;
Shinji Ooe, Kanagawa, JP;
Kazuhiro Mitamura, Chigasaki, JP;
Satoru Majima, Hiratsuka, JP;
Takashi Haraoka, Machida, JP;
Masaaki Yoshitome, Sagamihara, JP;
Hideto Kanafusa, Yokohama, JP;
Tomoaki Watari, Yokohama, JP;
Tomoyuki Hirota, Yokohama, JP;
Kazuto Ueno, Tokyo, JP;
Hajime Minagawa, Yokohama, JP;
Shinji Ooe, Kanagawa, JP;
Kazuhiro Mitamura, Chigasaki, JP;
Satoru Majima, Hiratsuka, JP;
Takashi Haraoka, Machida, JP;
Masaaki Yoshitome, Sagamihara, JP;
Hideto Kanafusa, Yokohama, JP;
Tomoaki Watari, Yokohama, JP;
Tomoyuki Hirota, Yokohama, JP;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Abstract
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.