| 发明名称 |
METHOD OF RECOVERY OF BAR HOLD OF WELL TAP |
| 摘要 |
A method of recovery of a bar hold of a well tap includes removal of damaged areas. Removal of damaged areas is carried out by cutting the damaged lower part of along the Z-shaped curve, with subsequent welding of the new part along the same curve. Welding of the lower part is made by vertical and horizontal butt joints. |
| 申请公布号 |
UA64945(U) |
申请公布日期 |
2011.11.25 |
| 申请号 |
UA20110004629U |
申请日期 |
2011.04.15 |
| 申请人 |
"ILLICH MARIUPOL METALLURGICAL WORKS", OPEN JOINT-STOCK COMPANY |
发明人 |
KOLOMIITSEV YEVHEN VOLODYMYROVYCH;KOROBKA OLEH VOLODYMYROVYCH;KURAKIN YURII MYKOLAIOVYCH;LYFAR VOLODYMYR VOLODYMYROVYCH;SHYSHKOV SERHII DMYTROVYCH |
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