JPS5516416A - Board drowing-out bar - Google Patents
Board drowing-out barInfo
- Publication number
- JPS5516416A JPS5516416A JP8843378A JP8843378A JPS5516416A JP S5516416 A JPS5516416 A JP S5516416A JP 8843378 A JP8843378 A JP 8843378A JP 8843378 A JP8843378 A JP 8843378A JP S5516416 A JPS5516416 A JP S5516416A
- Authority
- JP
- Japan
- Prior art keywords
- reactor tube
- board
- drowing
- cap
- reactor
- 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
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
PURPOSE: To prevent heat rediation from inside of a reactor tube as well as to prevent flowing of outside air into the reactor tube when a board is drown out, by installing a cap that is able to slide on the body of the board.
CONSTITUTION: A board drowing-out bar consists of a body 1 being used as an axle, and a cap 2 that slides a required zone on the body 1 and that plugs the end of the reactor tube when the drowing-out bar is inserted in the reactor tube 4. When the tip of the bar is to be inserted in the reactor tube 4, the cap is shifted to the frontmost position of the body 1, thus plugging the reactor tube 4 from the beginning of the operation. As a result, only the body is inserted to a required position in the reactor tube, and a period of time for the end of the reactor taube being open is considerably reduced than ever. Consequently, heat radiation from inside of the reactor tube as well as flowing of outside air into the reactor tube when the board is drown out, is effectively prevented.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8843378A JPS5516416A (en) | 1978-07-21 | 1978-07-21 | Board drowing-out bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8843378A JPS5516416A (en) | 1978-07-21 | 1978-07-21 | Board drowing-out bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5516416A true JPS5516416A (en) | 1980-02-05 |
Family
ID=13942651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8843378A Pending JPS5516416A (en) | 1978-07-21 | 1978-07-21 | Board drowing-out bar |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5516416A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4946862A (en) * | 1987-07-09 | 1990-08-07 | Tanabe Seiyaku Co., Ltd. | Thiophene derivative and process for preparing the same |
-
1978
- 1978-07-21 JP JP8843378A patent/JPS5516416A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4946862A (en) * | 1987-07-09 | 1990-08-07 | Tanabe Seiyaku Co., Ltd. | Thiophene derivative and process for preparing the same |
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