The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 2001
Filed:
Oct. 16, 1998
Applicant:
Inventors:
Assignee:
Pipetronix GmbH, Stutensee, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 3/12 ;
U.S. Cl.
CPC ...
G01R 3/12 ;
Abstract
In order to facilitate introduction of an inspection pig through an introductory conduit having a smaller diameter and into a pipeline of large diameter and transporting a fluid, in particular gas or oil, the invention proposes a device for inspection of pipes having sensors disposed about an outer periphery thereof having radially expandable inspection units (,), wherein, in particular, a front and a rear inspection unit (,) having sensors (,′) displaced with respect to each other in a peripheral sense can be moved axially towards each other.