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:
Apr. 17, 2018
Filed:
Jul. 26, 2013
Interwell Technology As, Ranheim, NO;
Espen Hiorth, Trondheim, NO;
Interwell Technology AS, Ranheim, NO;
Abstract
A plugging device for sealing against an inner surface of a pipe includes a mandrel, a sealing device, and an actuating device. The sealing device includes a first body provided circumferentially around the mandrel, an upper supporting device provided axially above the first body, and a lower supporting device provided axially below the first body. The actuating device is connected to at least one of the supporting devices for actuating the sealing device between a retracted state and an expanded state. The sealing device includes a second, sealing body provided circumferentially around the mandrel. An inner surface of the second sealing body is engaged with an outer surface of the first body in the expanded state. The second sealing body is moved from the retracted state to the expanded state by an axial displacement of at least one of the supporting devices towards each other.