Patent · US Expired

Fixture for machining the cutting line of a pipe

US4689863A · kind A · utility

2Cited by

10References

10Claims

0Family size

Assignee

Kraftwerk Union Aktiengesellschaft · DE

Inventors

Robert Weber · Uttenreuth, DE
Roland Bieselt · Weinheim, DE
Siegfried Forner · Erlangen, DE
Helmut Mechtold · Nuremberg, DE

Key dates

Filing date	May 24, 1984
Grant date	Sep 1, 1987
Priority date	—
Expiry date	May 24, 2004

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/5199
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Fixture for machining the cutting line of a pipe, including a centering device insertible into an end section of the pipe, the centering device including a clamping system having pressure pieces with pressure surfaces formed thereon, the pressure pieces being disposed about the longitudinal axis of the centering device, and a pressure motor for driving the pressure pieces in radial direction of the pipe, for maintaining an equal distance between each of the pressure surfaces and the longitudinal axis of the centering device and for holding the centering device in the pipe with the clamping system, and a coupling device disposed at an end of the centering device along the longitudinal axis thereof for mounting an accessory device.

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