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:
Jul. 07, 2015
Filed:
Mar. 25, 2011
Naoyuki Onodera, Fukuoka, JP;
Tsubasa Miyake, Fukuoka, JP;
Tetsuya Uchida, Fukuoka, JP;
Takuya Oshikawa, Fukuoka, JP;
Takamasa Suzuki, Fukuoka, JP;
Naoyuki Onodera, Fukuoka, JP;
Tsubasa Miyake, Fukuoka, JP;
Tetsuya Uchida, Fukuoka, JP;
Takuya Oshikawa, Fukuoka, JP;
Takamasa Suzuki, Fukuoka, JP;
TOTO LTD., Fukuoka, JP;
Abstract
To provide a flow channel opening/closing apparatus that can keep the instantaneous flow rate of supply water, quickly open and close a main valve for starting and stopping water supply and be downsized. A flush valve CV, which is such a flow channel opening/closing apparatus, incorporates constant flow rate keeping part that operates to keep constant the main flow rate of water flowing from a primary-side internal flow channelto a secondary-side internal flow channel, and the constant flow rate keeping part has a constant flow rate valve bodyand a constant flow rate valve seat, operates to adjust the distance between the constant flow rate valve bodyand the constant flow rate valve seat, and is configured as an integral valve member including a main valve bodyand the constant flow rate valve body