|
|
|
|
|
Legal status
Patent not validated
| (51) | INT.CL. | B21J 9/12 | (2006.01) |
| F15B 1/00 | (2006.01) | ||
| B21J 7/28 | (2006.01) | ||
| B21J 7/46 | (2006.01) | ||
| B30B 1/32 | (2006.01) | ||
| B30B 15/16 | (2006.01) | ||
| F15B 11/032 | (2006.01) | ||
| F15B 11/072 | (2006.01) |
| (11) | Number of the document | 3572162 |
| (13) | Kind of document | T |
| (96) | European patent application number | 18842700.9 |
| Date of filing the European patent application | 2018-06-14 | |
| (97) | Date of publication of the European application | 2019-11-27 |
| (45) | Date of publication and mention of the grant of the patent | 2021-08-04 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2018/091242 |
| Date | 2018-06-14 |
| (87) | Number | WO 2019/184098 |
| Date | 2019-10-03 |
| (30) | Number | Date | Country code |
| 201810251170 | 2018-03-26 | CN |
| (72) |
ZHANG, Lianhua , CN
ZHANG, Hui , CN
|
| (73) |
Zhongkejuxin Clean Energy & Hot Forging
Equipment Research and Development Co., Ltd. ,
No. 999 Xiufu North Road,, Jianhu, Yancheng City,
Jiangsu 224700,
CN
|
| (54) | HIGH-EFFICIENCY TRANSMISSION FREE FORGING HYDRAULIC MACHINE AND OPERATION METHOD THEREFOR |
| HIGH-EFFICIENCY TRANSMISSION FREE FORGING HYDRAULIC MACHINE AND OPERATION METHOD THEREFOR |