Corrosion resistant faucets with components made of different metallic materials
US8375993B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2009 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Dec 19, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/9464
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A faucet is disclosed which has an outer housing formed of zinc which has a lower entry, an upper outlet, and a side cavity. There is a supply line structure extendible from the lower entry into or adjacent the side cavity, and a valve cartridge positioned in the side cavity. A plastic insulator sleeve is positioned in the side cavity between a wall of the outer housing and the valve cartridge. A brass collar is nested within the insulator sleeve and positioned outside of the valve cartridge. Hence, the advantages of a zinc outer housing are achieved while avoiding galvanic corrosion due to contact between brass and zinc surfaces. The insulator sleeve also facilitates rotational and axial alignment, and sealing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.