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:
Nov. 08, 2011
Filed:
May. 22, 2009
Antonio Carlos Ferreira Lino, Rio de Janeiro, BR;
Carlos Alberto Dias Da Silva, Rio de Janeiro, BR;
Ricardo Wagner Capllonch, Teresopolis, BR;
Antonio Carlos Ferreira Lino, Rio de Janeiro, BR;
Carlos Alberto Dias da Silva, Rio de Janeiro, BR;
Ricardo Wagner Capllonch, Teresopolis, BR;
Petroleo Brasileiro S.A.-Petrobras, Rio de Janeiro, BR;
Abstract
A multi-diameter elastic sealing module for pigs, which operates in pipes having diameter changes, by being sent through the inside of a flexible or rigid pipe to move or draw various fittings and remove internal incrustations from the pipe, impelled by a fluid which flows inside said pipe. The sealing module comprises a sealing/impelling element (), a flexible core () covered by the sealing/impelling element (), a first clamping element (), a second clamping element (), a first fastening element () and a second fastening element ().