Standpipe adapter for sink drains of varied diameter
US4077430A · kind A · utility
5Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1976 |
| Grant date | Mar 7, 1978 |
| Priority date | — |
| Expiry date | Jun 4, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86381
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An adapter for sink drains of varied diameter, with a double seal positioning a standpipe perpendicularly with respect to the sink bottom, there being an upper seal supportably stopped upon the sink bottom or drain flange, and there being a lower seal depressibly engaged within the drain diameter, and characterized by a base of soft rubber-like material smaller in diameter than the drain and integral with upper and lower seals that have flexible fluid tight engagement with the sink and drain while permitting lateral deflections of the standpipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.