Ball-cock
US5076542A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1991 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Mar 22, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K27/067
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Ball-cock made of plastic parts with a spherical shut-off element in a housing with at first end a nesting place for a sealing ring and at the other end an end flange with also a nesting place for a sealing ring, said end flange having a radially projecting peripheral rib snapping into a peripheral groove near the second housing end in the inside wall thereof, housing flange and end flange being each provided with a short cylindrical end stub sealingly accommodated in an outer housing of which the inside end wall determines a nesting place for one of the sealing rings, and which at the other end is shut off by an end flange determining a nesting place for the other sealing ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.