Valve device assembling structure, plug body, and manual valve
US8104508B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 10, 2005 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Feb 3, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/88062
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A plug body housing 16 has a receiving recess 17, and the receiving recess 17 includes a first recess 21 opening toward the outside and a second recess 22 connected to the first recess 21. Check valves 8 and 9 are provided in the second recess 22, and a manual valve 14 is provided in the first recess 21. An internal threaded portion 45 is formed in an inner circumferential surface of the first recess 21, and a housing 35 of the manual valve 14 is threaded into the internal threaded portion 45. The check valves 8 and 9 are held between a bottom surface 22a of the second recess 22 and a bottom 35a of the housing 35 so that the check valves 8 and 9 are secured in the second recess 22.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.