Patent · US Expired

Scraper for determining the position of pipelines

US6108921A · kind A · utility

2Cited by
6References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 9, 1998
Grant dateAug 29, 2000
Priority date
Expiry dateJun 9, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C21/166
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Scraper for determining the position of pipelines with at least one scraper body and on the outer circumference of the latter are provided support elements for guiding in the pipeline, the scraper body containing a gyroscopic platform, as well as supply and processing means for measured results, characterized in that the scraper body is guidable by a combination of support elements under a defined, constant angle with respect to the pipe guidance axis, whereof a first part is radially rigid and a second part is radially resilient.

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