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:
Mar. 21, 2006
Filed:
Jun. 15, 2001
Yoshiaki Koyama, Wako, JP;
Mitsunori Arimura, Wako, JP;
Kaoru Mitsuuchi, Wako, JP;
Toshiyuki Shibasaki, Wako, JP;
Yoshiaki Itou, Itami, JP;
Ryuji Shiga, Itami, JP;
Kouji Yamada, Itami, JP;
Yoshiaki Koyama, Wako, JP;
Mitsunori Arimura, Wako, JP;
Kaoru Mitsuuchi, Wako, JP;
Toshiyuki Shibasaki, Wako, JP;
Yoshiaki Itou, Itami, JP;
Ryuji Shiga, Itami, JP;
Kouji Yamada, Itami, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A metal member to be cast-wrapped by a metal cast article, a manufacturing method thereof and a metal cast article including the metal member cast-wrapped are provided. A hollow cylindrical metal member having an outer surface with projections to be cast-wrapped by a metal cast article is manufactured in such a manner that a hollow cylindrical metal raw materialis inserted in a diehaving a inner peripheral surface with longitudinal grooves of a depth H and a width W, and the hollow cylindrical metal raw materialis subjected to hot-extrusion.