Clamping arrangement for diaphragm piston assembly
US4887516A · kind A · utility
13Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1988 |
| Grant date | Dec 19, 1989 |
| Priority date | — |
| Expiry date | Sep 13, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/126
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A diaphragm clamping arrangement for assembly of a diaphragm-type piston in the body of a valve device or the like such that the diaphragm is biased in a direction to cause the diaphragm convolution to assume a preferred disposition in which a desired diaphragm "spring effect" is maintained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.