Patent · US Expired

Drive device for a boring bar

US7802639B2 · kind B2 · utility

0Cited by

13References

8Claims

0Family size

Assignee

Ruhrpumpen GmbH · DE

Inventors

Wolfgang Paul · Bad Schwartau, DE
Dirk Heidemann · Schwerte, DE
Maciej Barcikowski · Bochum, DE

Key dates

Filing date	Jul 23, 2002
Grant date	Sep 28, 2010
Priority date	—
Expiry date	Dec 8, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/65
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A drive apparatus for a drill stem, in particular for de-coking systems, has a feeder (4) connected to a water supply (8) via a first interface (6) and connected to a drill stem (12) via a second interface (10), as well as a drive (14) and a gearbox (16) for rotatably driving said feeder (4) and said drill stem (6), characterized in that said feeder (4) has a first section (20) connected to the water supply (8) and a second section (40) connected to the drill stem (12) and the first (20) and second (40) sections are releasably connected to each other.

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