Showerhead
US6776357B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Apr 19, 2001 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Apr 19, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S239/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A showerhead which automatically adjusts the outlet pressure of the water in accordance with changes in water pressure, and eliminates the operation of a faucet, thus enabling showers to be taken comfortably. The showerhead (1) spurts the water, which is flowing from a water source to the specified pipes, through the outlet holes (H) of the shower nozzle (5). The shower nozzle (5) comprises waterproof elastic materials such as silicon rubber or the like. The elastic surface of the shower nozzle (5) incorporates outlet holes (H) which can be enlarged and reduced in accordance with changes in water pressure inside the showerhead (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.