Soap dispenser system and valve arrangement therefor
US7028922B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jan 13, 2004 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Jan 13, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87627
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A soap dispenser system includes a venturi suction tube having a soap supply bore intersecting the main through bore; a soap dispenser controlling dispensing of soap from a container; and a supply tube connecting the soap dispenser to the soap supply bore of the suction tube; the soap dispenser including an inner tube having fluidly connected with the supply tube, an outer tube movably mounted over the inner tube and connected with the container, the outer tube fluidly connected with soap from the container and adapted to be fluidly connected with the inlet of the inner tube, a spring applying pressure between the inner tube and the outer tube in a direction to move them apart, a valve permitting soap to enter the inlet of the inner tube only when the outer tube is moved toward the inner tube against the force of the biasing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.