Regulator for water base paint
US5159952A · kind A · utility
Assignees
Inventor
Key dates
| Filing date | Jun 17, 1991 |
| Grant date | Nov 3, 1992 |
| Priority date | — |
| Expiry date | Jun 17, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7826
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A regulator for water base paint has a casing with an inlet port, an outlet port and a paint chamber. The paint chamber is defined inside the casing in fluid communication with the outlet port. A valve seat is positioned between the paint chamber and the inlet port. A valve is arranged to be pressed against or released from the valve seat depending on an internal pressure in the paint chamber, thereby maintaining the delivery pressure from the outlet port constant. In the regulator having the above construction, the valve and the valve seat are made of corrosion-resistant metallic materials of different hardnesses. One of the valve and the valve seat is made of a ceramic material and the other thereof is made of sintered hard alloy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.