Pump test ring, cover and strainer and method of providing a pressure-testable pump
US4629557A · kind A · utility
24Cited by
1References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1985 |
| Grant date | Dec 16, 1986 |
| Priority date | — |
| Expiry date | Jul 16, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/301
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A test ring for a pump strainer is threadedly attached to both a housing and a cover of the strainer in such a manner that the cover can withstand relatively high internal pressure. When the test ring is detached from the cover, the cover is adapted for quick and easy removal from the strainer housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.