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:
Jan. 22, 2002
Filed:
Oct. 16, 1998
Applicant:
Inventors:
Assignee:
PII Pipetronix GmbH, Stutensee, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 5/544 ; G01M 1/900 ;
U.S. Cl.
CPC ...
F16L 5/544 ; G01M 1/900 ;
Abstract
A device ( ) for passing through pipes in the form of a pig ( ) moving through the pipe and guided on the inner wall thereof has at least one pig body ( ) and support elements ( ) on the outer periphery thereof for guidance within the pipe as well as drive elements ( ) in the form of collars for transport in the pipe. The device is distinguished by improved entrance into the pipe conduit in that at least one of the collars ( ) can be radially expanded.