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, 2018
Filed:
Aug. 13, 2014
Advanced Composite Industries Ag, Kastanienbaum, CH;
Richard Ronald Baynham, Marina di Ravenna, IT;
David E. Y. Levie, Kataniebaum, CH;
INNOVEX DOWNHOLE SOLUTIONS, INC., The Woodlands, TX (US);
Abstract
A composite material centralizer () for a tubular () is formed from a shell () of elongate shape with a curved upper surface () and a longitudinal slot () formed centrally in the curved upper surface () of the shell (). At least one port () for injection of a bonding agent into the cavity () is provided in the curved upper (surface () of the shell (). Fluid vent holes () are provided in the curved upper surface () of the shell () adjacent to either end of the longitudinal slot () in the curved upper surface () of shell (). An elongate resilient member () with an outwardly projecting bow spring surface () may be retained within the longitudinal slot () in the shell () by insertion of ends () in respective recesses (').