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:
Oct. 30, 2001
Filed:
Jun. 10, 1999
Applicant:
Inventors:
Antonio Carlos Ferreira Lino, Rio de Janeiro, BR;
Enio Costa Nunes, Niterói, BR;
Fernando Borja Pereira, Rio de Janeiro, BR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/04 ;
U.S. Cl.
CPC ...
B08B 9/04 ;
Abstract
The present invention relates to a device for scraping the inner walls of a pipeline. The device comprises a flexible shaft, a plurality of groups of flexible radial scraping bars which are spaced apart and offset angularly so that the said bars are able to scrape substantially the entire inner surface of the said pipeline, and at least one flexible sealing module.