| 摘要 |
<p>The invention relates to a device (100) for protecting the end (200) of a tubular component, said end (200) having a first threaded portion (201), the device (100) having a cap (110) with a second threaded portion (112) suitable for engaging with the first threaded portion (201) on the tubular component, and a ring (120) suitable for covering part of the outer surface of the end (200) of the tubular component, said device being characterized in that the ring (120) is attached to the cap (110), in such a way that the ring (120) is free to rotate about itself independently of the cap (110). Applicable to components used for drilling and operating hydrocarbon wells, particularly to expandable components.</p> |
