CN202081137U - 旋挖钻机钻杆长键中频感应淬火机组 - Google Patents
旋挖钻机钻杆长键中频感应淬火机组 Download PDFInfo
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- CN202081137U CN202081137U CN2011201392416U CN201120139241U CN202081137U CN 202081137 U CN202081137 U CN 202081137U CN 2011201392416 U CN2011201392416 U CN 2011201392416U CN 201120139241 U CN201120139241 U CN 201120139241U CN 202081137 U CN202081137 U CN 202081137U
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- Prior art keywords
- long key
- pressure roller
- active pressure
- frequency induction
- drilling rig
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Application Number | Priority Date | Filing Date | Title |
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CN2011201392416U CN202081137U (zh) | 2011-05-05 | 2011-05-05 | 旋挖钻机钻杆长键中频感应淬火机组 |
Applications Claiming Priority (1)
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CN2011201392416U CN202081137U (zh) | 2011-05-05 | 2011-05-05 | 旋挖钻机钻杆长键中频感应淬火机组 |
Publications (1)
Publication Number | Publication Date |
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CN202081137U true CN202081137U (zh) | 2011-12-21 |
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CN2011201392416U Expired - Fee Related CN202081137U (zh) | 2011-05-05 | 2011-05-05 | 旋挖钻机钻杆长键中频感应淬火机组 |
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CN (1) | CN202081137U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102719646A (zh) * | 2012-06-28 | 2012-10-10 | 溧阳市宏大机械设备有限公司 | 一种精确控温的轨道行走轮外表面中频感应淬火专用装备 |
-
2011
- 2011-05-05 CN CN2011201392416U patent/CN202081137U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102719646A (zh) * | 2012-06-28 | 2012-10-10 | 溧阳市宏大机械设备有限公司 | 一种精确控温的轨道行走轮外表面中频感应淬火专用装备 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing military standard Longxiang Heat Treatment Technology Co Ltd Assignor: Wang Xuejun Contract record no.: 2012990000709 Denomination of utility model: Medium frequency induction quenching unit of rotary drilling rig drill rod long key Granted publication date: 20111221 License type: Exclusive License Record date: 20120925 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20150505 |
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EXPY | Termination of patent right or utility model |