FR1597256A - - Google Patents
Info
- Publication number
- FR1597256A FR1597256A FR1597256DA FR1597256A FR 1597256 A FR1597256 A FR 1597256A FR 1597256D A FR1597256D A FR 1597256DA FR 1597256 A FR1597256 A FR 1597256A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
- F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB31968 | 1968-01-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1597256A true FR1597256A (en) | 1970-06-22 |
Family
ID=9702295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1597256D Expired FR1597256A (en) | 1968-01-02 | 1968-12-27 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1816981A1 (en) |
FR (1) | FR1597256A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079960A1 (en) * | 1981-05-22 | 1983-06-01 | Helix Tech Corp | Improved cryopump. |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2620383C2 (en) * | 1976-05-08 | 1986-05-15 | Black & Decker Inc., Newark, Del. | Insert tool for hand drills |
DE2620880C2 (en) * | 1976-05-11 | 1984-07-12 | Leybold-Heraeus GmbH, 5000 Köln | Cryopump |
US4150549A (en) * | 1977-05-16 | 1979-04-24 | Air Products And Chemicals, Inc. | Cryopumping method and apparatus |
DE2907055A1 (en) * | 1979-02-23 | 1980-08-28 | Kernforschungsanlage Juelich | HEAT RADIATION SHIELD FOR CRYOPUM PUMPS |
GB8400349D0 (en) * | 1984-01-07 | 1984-02-08 | Boc Group Plc | Cryogenic pumps |
EP0223868A1 (en) * | 1985-11-16 | 1987-06-03 | NTG Neue Technologien GmbH & Co. KG | Process for the reliquefaction of helium at or in a closed loop-operated bath cryo pump |
JP3123126B2 (en) * | 1991-07-15 | 2001-01-09 | 株式会社日立製作所 | Vacuum container with cooler |
-
1968
- 1968-12-24 DE DE19681816981 patent/DE1816981A1/en active Pending
- 1968-12-27 FR FR1597256D patent/FR1597256A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079960A1 (en) * | 1981-05-22 | 1983-06-01 | Helix Tech Corp | Improved cryopump. |
EP0079960A4 (en) * | 1981-05-22 | 1983-09-20 | Helix Tech Corp | Improved cryopump. |
Also Published As
Publication number | Publication date |
---|---|
DE1816981A1 (en) | 1969-08-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |