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:
May. 28, 2024
Filed:
Sep. 18, 2020
Fanuc Corporation, Yamanashi, JP;
Tube Forming Co., Ltd., Kanagawa, JP;
Kazutaka Nakayama, Yamanashi, JP;
Kenichiro Abe, Yamanashi, JP;
Masahiro Morioka, Yamanashi, JP;
Yasutoyo Ooki, Kanagawa, JP;
Keiichi Tsuchiya, Kanagawa, JP;
FANUC CORPORATION, Yamanashi, JP;
TUBE FORMING CO., LTD., Yokohama, JP;
Abstract
A method for producing an arm structure in which the arm structure is produced by: forming an arm precursor member having an external shape of the arm structure by, in a state in which a die is closed with a metal pipe member being disposed in a cavity thereof, pressurizing the pipe member with liquid supplied to an inside thereof to cause an external surface of the thus expanded pipe member to be pressed against an inner surface of the cavity; and forming a flange portion to be attached to a driven body by machining at least an end of the formed arm precursor member.