CN87211768U - 壁热式真空热处理炉 - Google Patents
壁热式真空热处理炉 Download PDFInfo
- Publication number
- CN87211768U CN87211768U CN 87211768 CN87211768U CN87211768U CN 87211768 U CN87211768 U CN 87211768U CN 87211768 CN87211768 CN 87211768 CN 87211768 U CN87211768 U CN 87211768U CN 87211768 U CN87211768 U CN 87211768U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- treatment furnace
- electric heater
- heat treatment
- thermal insulator
- 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.)
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 87211768 CN87211768U (zh) | 1987-08-17 | 1987-08-17 | 壁热式真空热处理炉 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 87211768 CN87211768U (zh) | 1987-08-17 | 1987-08-17 | 壁热式真空热处理炉 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN87211768U true CN87211768U (zh) | 1988-04-20 |
Family
ID=4826519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 87211768 Withdrawn CN87211768U (zh) | 1987-08-17 | 1987-08-17 | 壁热式真空热处理炉 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN87211768U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111519011A (zh) * | 2020-04-16 | 2020-08-11 | 哈尔滨汽轮机厂有限责任公司 | 一种针对简易环境下的异形工件去应力热处理炉及热处理方法 |
-
1987
- 1987-08-17 CN CN 87211768 patent/CN87211768U/zh not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111519011A (zh) * | 2020-04-16 | 2020-08-11 | 哈尔滨汽轮机厂有限责任公司 | 一种针对简易环境下的异形工件去应力热处理炉及热处理方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
CU02 | Correction of gazette and description of patent for utility model |
Correction item: Patent agent Correct: Qian Kun|Dong Tongyuan False: Qian Kun|Dong Tongyuan Number: 16 Page: 66 Volume: 4 |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CU02 | Correction of gazette and description of patent for utility model |
Correction item: Patent agent Correct: Qian Kun|Dong Tongyuan False: Qian Kun|Dong Tongyuan Number: 16 Page: 66 Volume: 4 |
|
ERR | Gazette correction |
Free format text: CORRECT: PATENT AGENT; FROM: QIAN KUN DONG TONGYUAN TO: QIAN DONG TONGYUAN |
|
C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
RN01 | Renewal of patent term | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |