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. 10, 2006
Filed:
Oct. 01, 2002
Applicants:
Shigekazu Nagai, Adachi-ku, JP;
Hiroshi Matsushima, Ryugasaki, JP;
Inventors:
Shigekazu Nagai, Adachi-ku, JP;
Hiroshi Matsushima, Ryugasaki, JP;
Assignee:
SMC Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
First to sixth annular projections and first to sixth annular recesses, which have shapes corresponding to shapes of first to sixth conventional seal members, are formed respectively at portions at which various types of blocks and first and second intermediate plates are joined, by performing resin molding with molds. Ultrasonic welding is performed while the first to sixth annular projections face the first to sixth annular recesses, respectively.