Safety guides for use with a rotary hose and kelly spinner hoses and the combination thereof
US4514103A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1982 |
| Grant date | Apr 30, 1985 |
| Priority date | — |
| Expiry date | Jul 28, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A safety guide for kelly spinner hoses in drilling rigs and a plurality of said safety guides in combination with kelly hoses and a rotary hose. Each safety guide comprises a pair of opposed rings, each adapted to receive and guide a kelly spinner hose, and a device for securing the rings to a rotary hose substantially in a plane perpendicular to the axis of the rotary hose. Advantageously, each ring has a rigid integral loop member and the securing device comprises a flexible band passing through said loop members. It is preferred to secure the band to the rotary hose with a buckle. In the combination, a plurality of the safety guides are spaced along the length of the rotary hose, preferably substantially equidistant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.