Constant load clamping apparatus of injector head of coiled tubing drilling machine and design method thereof
US12152449B1 · kind B1 · utility
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3References
4Claims
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Key dates
| Filing date | Apr 1, 2024 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Apr 1, 2044 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A constant load clamping apparatus of injector head of coiled tubing drilling machine, wherein the apparatus comprises: a ropeslice-ropeslice-rope structure, wherein a first connection piece and a second connection piece are connected at both ends of the ropeslice-rope structure;
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.