Helical pipe incorporated in a hydraulically actuated scale
US5161629A · kind A · utility
1Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 13, 1991 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Aug 13, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G5/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A Bourdon's pipe that includes a clamping member at its sealed end. A threaded hole is bored through the clamping member into which a first bolt with a head is threaded whereat the head sealingly abut against the clamping member. The first nut has a passage including a constricted section with open end communicating with the interior of the Bourdon's pipe, and a valve seat adjacent to the constricted section. A movable ball-shaped valve is provided in the passage of the first bolt. A second bolt threaded into the passage of the first bolt to adjustably abut the ball-shaped valve against the valve seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.