Flush toilet with sloped surfaces for improved waste removal
US8695126B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2012 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Jul 13, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D2201/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flush toilet includes a bowl portion having a waste receiving surface, a rim portion, spout portions for spouting flush water supplied from a reservoir tank into the bowl portion, and a water discharge trap pipe for discharging waste. The water discharge trap includes an inlet connected to a bottom of the bowl portion. The bowl portion waste receiving surface includes an upper waste receiving surface connected to the rim portion, and a concave portion connected between the upper waste receiving surface and the discharge trap pipe. The concave portion includes a bottom surface connected to the discharge trap pipe and is positioned below the upper waste receiving surface, and a wall surface connecting the bottom surface and a bottom edge portion of the upper waste receiving surface. A front region of this wall surface forms a sloped surface sloping on the inside from bottom to top.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.