发明名称 |
Drilling tool with shock absorbers |
摘要 |
A drilling tool including a drilling head equipped with cutting edges and fitted with several shock-absorption elements, of which at least one part is made of an elastomer material. Each shock-absorption element having a block incorporating one portion inserted inside a receptor housing formed on the tool surface, and a portion which projects outward beyond the receptor housing.
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申请公布号 |
US6102142(A) |
申请公布日期 |
2000.08.15 |
申请号 |
US19970996196 |
申请日期 |
1997.12.22 |
申请人 |
TOTAL,;SECURITY DIAMINT BOART STRATABIT |
发明人 |
BESSON, ALAIN;DELWICHE, ROBERT;LECOUR, PIERRE |
分类号 |
E21B10/16;E21B10/00;E21B10/42;(IPC1-7):E21B10/00 |
主分类号 |
E21B10/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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