FIELD: metallurgy.
SUBSTANCE: proposed casing tube protection device comprises metal shell ring 1 and protective element 2 from elastomer shaped to cap with inner thread. Note here that both metal shell ring 1 and protective element 2 consist of two components. Lines of joint are parallel with common axis of metal shell ring and protective element while metal shell ring components are jointed by cotter pin.
EFFECT: efficient protection.
2 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROTECTIVE DEVICE FOR EXTERNAL AND INTERNAL THREAD OF TUBING STRING | 2024 |
|
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