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.:

US 8539977 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 24, 2013

Filed:

Dec. 01, 2010
Applicants:

Kenji Yamamoto, Tokyo, JP;

Mototsugu Osada, Tokyo, JP;

Atsushi Takata, Tokyo, JP;

Inventors:

Kenji Yamamoto, Tokyo, JP;

Mototsugu Osada, Tokyo, JP;

Atsushi Takata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 41/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

In order to simplify work of applying and releasing a surface pressure in a slide valve device constructed of a fixed plate, a slide plate, a seal plate, and the like, provided is a slide valve device for automatic surface pressure application and a surface pressure application method therefor, the slide valve device including: a base frame () including a positioning member () for determining an arrangement location (X) of a seal case () and a stopper () for fixing the seal case () at the arrangement location (X); and a slide case () including a pusher () for sliding the seal case () together with the slide case () when sliding the slide case () in a surface pressure application direction.


Find Patent Forward Citations

Yamamoto, Kenji. (2013). Slide valve apparatus for automatic application of surface pressure and surface pressure application method thereof (U.S. Patent No. 8539977). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8539977

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