Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Reexamination Certificate
2009-05-22
2011-11-08
Spisich, Mark (Department: 3727)
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
C015S104190, C138S089000
Reexamination Certificate
active
08051524
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 (1), a flexible core (2) covered by the sealing/impelling element (1), a first clamping element (3), a second clamping element (4), a first fastening element (5) and a second fastening element (6).
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Capllonch Ricardo Wagner
da Silva Carlos Alberto Dias
Ferreira Lino Antonio Carlos
Petroleo Brasileiro S.A.--Petrobras
Spisich Mark
Sughrue & Mion, PLLC
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