Gate valve for vacuum and seal
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 66 KB
- Volume
- 2008
- Category
- Article
- ISSN
- 1350-4789
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๐ SIMILAR VOLUMES
A seal-off valve possessing several advantages for high-vacuum work has been devised by R. J. Richards of the National Bureau of Standards. The valve is designed so that its handle and stem can be readily removed and used with any number of seal-off seats, leaving only the closed valve seat on the e
This invention concerns a seal for a horizontal side-moving door. A horizontal sidemoving door with a side-winding or horizontally translating curtain includes an upper seal that is composed of an upper edge of the curtain which is sliding within a groove of a seal guide. To protect the door in the
The patents summarized in this issue cover a range of seahng applications, from gate valves in the oil industry and sealing of chambers in downhole tools, to seabng in rubber extrusion machines and brush seaIs in turbines, and sealing in a fuel cell stack