Title:
水洗大便器
Document Type and Number:
Japanese Patent JP7093507
Kind Code:
B2
Abstract:
To provide a water closet capable of enhancing discharge efficiency of a dirt, by efficiently agitating wash water including the dirt.SOLUTION: A water closet 1 of the present invention comprises: a bowl part 12 having a dirt receiving surface 20; a rim part 18 formed on the upper edge of this bowl part and forming a water communication passage 26 on the inside; one rim water discharge port 28 for forming a swirling flow of swirling on the dirt receiving surface by discharging the wash water forward; and a drain trap pipeline 14 for discharging the dirt. The dirt receiving surface of the bowl part comprises: an upper dirt receiving surface 20; and a recessed part 22 formed between this upper dirt receiving surface and the drain trap pipeline, and in the upper dirt receiving surface, its both side areas C and D are formed of a convex surface along the lateral direction, and its front area A and a rear area B are formed of a convex surface or a concave surface with a smaller curvature than those of both side areas along the longitudinal direction.SELECTED DRAWING: Figure 2
Inventors:
Mayu Okubo
Shinichi Urata
Keisuke Okada
Shinichi Urata
Keisuke Okada
Application Number:
JP2020193570A
Publication Date:
June 30, 2022
Filing Date:
November 20, 2020
Export Citation:
Assignee:
TOTO Ltd.
International Classes:
E03D11/08; E03D11/02
Domestic Patent References:
| JP2009287331A | ||||
| JP2013170364A | ||||
| JP2011174363A | ||||
| JP2013044179A |
Attorney, Agent or Firm:
Shinichiro Tanaka
Teshimaru Ken
Matsushita Mitsuru
Ichiro Kurasawa
Yasushi Yamamoto
Teshimaru Ken
Matsushita Mitsuru
Ichiro Kurasawa
Yasushi Yamamoto