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:
Aug. 21, 2001
Filed:
May. 18, 1999
Applicant:
Inventors:
Antonio Carlos Ferreira Lino, Rio de Janeiro, BR;
Marcelino Guedes Ferreira Mosqueira Gomes, Rio de Janeiro, BR;
Fernando Borja Pereira, Rio de Janeiro, BR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 9/053 ;
U.S. Cl.
CPC ...
B08B 9/053 ;
Abstract
The present invention relates to a device,for scraping the inner walls of a pipeline. The device has (i) a flexible shaft,of elastomeric material, (ii) a plurality of groups of flexible radial scraping bars,which are spaced apart and offset angularly so that the bars are able to scrape substantially the entire inner surface of the pipeline, and (iii) a flexible covering,which coats the entire assembly formed by the said flexible shaft and by the bars, with the exception of the outer ends of the bars.