Tubular protector assembly
US10710325B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 29, 2017 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Dec 29, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2307/744
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A tubular protector assembly for handling a tubular, such as drill pipe, is disclosed. In one embodiment, a cylindrical sleeve is configured to be disposed around the tubular. One or more layers of carbon fiber-based tape are configured to be interposed between the tubular and the cylindrical sleeve, which includes a cage having open cells formed therein. Each of the open cells including a multilayer cellular structural member therein having an outer-facing external steel plate, an internal plastic filament plate, an internal middle steel plate, and an inner-facing internal steel plate concentrically engaged theretogether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.