Vacuum chamber structure and control system therefor
US4027707A · kind A · utility
7Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 14, 1976 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | May 14, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B31/024
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A system for evacuating selectively two side-by-side chambers having a common wall with a pressure passageway therein includes a closure slidable between two positions where one chamber is connected to sub-atmospheric pressure with the common pressure passageway while the other is connected to ambient, and including circuit means for controlling the application of pressure and the release of same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.