Plumbing apparatus including means for producing a water-plug effect in sanitation appliances
US4190910A · kind A · utility
12Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1978 |
| Grant date | Mar 4, 1980 |
| Priority date | — |
| Expiry date | Feb 28, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7339
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sanitation appliance such as a water-closet or the like equipped with a generally vertically extending outlet pipe is provided with a resilient diaphragm mounted within said pipe and extending thereacross to stem the flow of flushing water passing through said pipe until a sufficient quantity of the water has accumulated whereupon the diaphragm operates to pass the water through the pipe thereby to cause the accumulated water to act as a water plug creating a suction effect within the pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.