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:
Feb. 28, 2023
Filed:
Sep. 21, 2018
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Hiromu Okamoto, Tokyo, JP;
Hisanori Watanabe, Tokyo, JP;
Hidetaka Kafuku, Tokyo, JP;
Shunsuke Tanaka, Tokyo, JP;
Hiroki Mitsui, Tokyo, JP;
Yasuharu Suda, Tokyo, JP;
Takao Ito, Tokyo, JP;
Hayao Kurono, Tokyo, JP;
Shuhei Dobara, Tokyo, JP;
Takumi Hori, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A pit gate includes a gate body which is inserted between a pool portion storing water and a canal portion connected to the pool portion and is configured to change a flow state of the water, and a seal portion () which is accommodated in a groove-shaped accommodation recess formed in the gate body and seals between the pool portion and the gate body. The seal portion () includes a low-rigidity portion () which is relatively easily deformed by a load according to a water pressure from the pool portion side, and a high-rigidity portion () which is provided on the pool portion side of the low-rigidity portion and is not easily deformed relatively by the load.