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. 23, 2018
Filed:
Aug. 11, 2014
Applicant:
Kyb-ys Co., Ltd., Nagano, JP;
Inventor:
Nobuyuki Kobayashi, Nagano, JP;
Assignee:
KYB-YS Co., Ltd., Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 7/00 (2006.01); B23K 20/12 (2006.01); B23K 31/12 (2006.01); B23P 15/10 (2006.01); F16C 7/02 (2006.01); F15B 15/14 (2006.01); B23K 101/00 (2006.01);
U.S. Cl.
CPC ...
B23K 20/12 (2013.01); B23K 20/129 (2013.01); B23K 31/125 (2013.01); B23P 15/10 (2013.01); F15B 15/1457 (2013.01); F16C 7/023 (2013.01); F16J 7/00 (2013.01); B23K 2201/003 (2013.01);
Abstract
A piston rod manufacturing method of manufacturing a piston rod by joining a solid rod main body and a solid rod head includes a first step of joining respective end surfaces of the rod main body and the rod head by friction welding; and a second step of performing boring process on an axial center portion from the rod head side so as to penetrate through a joining face between the rod main body and the rod head.