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. 17, 2020
Filed:
Oct. 29, 2018
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Marcin Cis, Lutynia, PL;
Dariusz Kiełbowicz, Boleslawiec, PL;
HAMILTON SUNSTRAND CORPORATION, Charlotte, NC (US);
Abstract
A plug for sealing a passage extending about a longitudinal axis (A) comprises a shell having a circumferential wall extending between an end wall and an opening, and an internal cavity extending axially within the shell, and an expander having a head and a shank extending axially from the head, the head retained with the cavity and the shank extending axially through the opening of the cavity, wherein the circumferential wall comprises an inner surface having at least a first region and a second region, the second region proximate the opening and the first region adjacent to the second region and extending therefrom towards the end wall, the inner surface in the first region tapering inwardly relative to the longitudinal axis (A) to provide a first angled ramp, and the inner surface in the second region tapering further inwardly to provide a second angled ramp.