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.

Date of Patent:
Aug. 22, 2017

Filed:

Jan. 13, 2016
Applicant:

Toto Ltd., Kitakyushu-shi, Fukuoka, JP;

Inventors:

Yoshifumi Seki, Kitakyushu, JP;

Satoshi Matsunaka, Kitakyushu, JP;

Yuichi Furuta, Kitakyushu, JP;

Hironori Yamasaki, Kitakyushu, JP;

Assignee:

TOTO LTD., Kitakyushu-Shi, Fukuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E03D 13/00 (2006.01); E03D 11/18 (2006.01);
U.S. Cl.
CPC ...
E03D 13/00 (2013.01); E03D 11/18 (2013.01);
Abstract

A urinal for receiving and discharging urine having a bowl portion having a bowl surface for receiving urine; a spouting device disposed on a top portion of the bowl portion for spouting flush water onto the bowl surface; and a discharge trap portion, communicating with a discharge port disposed on a bottom portion of the bowl portion, for discharging flush water and forming a water seal on a downstream side of the bowl portion. The discharge trap includes a descending conduit, a horizontal conduit, and an ascending conduit, and a cross section perpendicular to a discharging direction of either the horizontal conduit or the ascending conduit on the discharge trap portion is formed so that an inner side of the urinal from a center of the cross section has a smaller cross sectional area than an outer side of the urinal from the center of the cross section.


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