| 摘要 |
Attachment device for an element (1) made to be arranged on a downhole tubular body (3), in which an end portion (11) of a sleeve (la) which is arranged to surround a portion of the tubular body (3) is provided with an attachment portion (13) which includes at least one clamping element (1312, 1312') arranged for radial displacement by the abutment of an abutment surface (1315) against a conical abutment portion (142) of a surrounding adapter sleeve (14). |
