JPS56147980A - Valve - Google Patents
ValveInfo
- Publication number
- JPS56147980A JPS56147980A JP4992280A JP4992280A JPS56147980A JP S56147980 A JPS56147980 A JP S56147980A JP 4992280 A JP4992280 A JP 4992280A JP 4992280 A JP4992280 A JP 4992280A JP S56147980 A JPS56147980 A JP S56147980A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- circular
- pipe
- cylinder
- cover
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Details Of Valves (AREA)
Abstract
PURPOSE: To prevent liquid leakage from a valve by putting an expandable and shrinkable closed pipe on a part of a valve rod positioned in a valve case, and attaching one circular end of the pipe around an opening positioned in the valve case or at the inner surface of a valve cover and the other circular end of the pipe around the outer surface of the said part, in liquid tight condition.
CONSTITUTION: A closed pipe 31, shaped in cornice, made of Teflon and having the inner diameter whose size is almost same as the outer diameter of a cylinder 26, is fitted on a part of a cylinder 26 of a valve rod 21 positioned in a valve case 10, while one circular part 32 protruded horizontaly and inwardly is formed on the top circumference of the closed pipe 31 and the other circular part 33 protruded horizontally and outwardly is formed at the lower end circumference of the pipe 31. The circular part 32 has the inner diameter whose size is almost same as that of the cylinder 26 and is put between a valve body 27 and the cylinder 26 to keep liquid tight between the outer surface of the valve rod 21 and the closed pipe 31, while the circular part 33 has the outer diameter whose size is almost same as that of the inner surface of a cover 16 and is put between a circular end 15 of the valve case 10 and said inner surface of the cover 16 to keep liquid tight between the circumference of a goove 20 as well as a valve case 10 and said cover 16.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4992280A JPS56147980A (en) | 1980-04-15 | 1980-04-15 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4992280A JPS56147980A (en) | 1980-04-15 | 1980-04-15 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56147980A true JPS56147980A (en) | 1981-11-17 |
Family
ID=12844500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4992280A Pending JPS56147980A (en) | 1980-04-15 | 1980-04-15 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56147980A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009246344A (en) * | 2008-03-14 | 2009-10-22 | Canon Anelva Corp | Vacuum treatment apparatus, method of controlling the vacuum treatment apparatus, method of manufacturing device, and storage medium |
| JPWO2022064543A1 (en) * | 2020-09-23 | 2022-03-31 |
-
1980
- 1980-04-15 JP JP4992280A patent/JPS56147980A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009246344A (en) * | 2008-03-14 | 2009-10-22 | Canon Anelva Corp | Vacuum treatment apparatus, method of controlling the vacuum treatment apparatus, method of manufacturing device, and storage medium |
| JPWO2022064543A1 (en) * | 2020-09-23 | 2022-03-31 | ||
| WO2022064543A1 (en) * | 2020-09-23 | 2022-03-31 | 三菱電機株式会社 | Valve device |
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