Patent · US Active

Die holder device and method for utilizing the same

US9752394B2 · kind B2 · utility

1Cited by

3References

21Claims

0Family size

Assignee

National Oilwell Varco Norway AS · NO

Inventors

Jonathan Webb · San Mateo, US
Hugo Leonardo Rosano · Kristiansand, NO
David Allen Hill · Tallahassee, US
Trond Werner Moen · Kristiansand, NO

Key dates

Filing date	May 29, 2013
Grant date	Sep 5, 2017
Priority date	—
Expiry date	Feb 16, 2034

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B19/161
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A die holder device includes a die holder that has an axial centre line and is adapted to receive a clamp die. The die holder is included in a clamp arm or slide block. The die holder is restricted from axial movement by at least a first complete or partial conical surface and possibly by a second complete or partial conical surface that directly or indirectly bears against the clamp arm or the slide block.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.