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:
Jun. 07, 2016
Filed:
Oct. 30, 2014
Emerson Process Management Regulator Technologies, Inc., McKinney, TX (US);
Kunrong Matthews, Carrollton, TX (US);
EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES, INC., McKinney, TX (US);
Abstract
A valve plug comprising a cylindrical body having an annular flange with a top surface, a bottom surface, and a circumference is disclosed. The valve plug further comprises an annular recess disposed in the bottom surface of the flange, and a plurality of holes disposed in the top surface of the flange. Each hole extends into the recess to create a plurality of channels extending between the bottom and top surfaces of the flange. Each channel of the plurality of channels includes a stepped portion. A polyurethane sealing member is disposed within each channel and includes: a top portion forming a continuous bond on the top surface and along the circumference of the flange; a central portion forming a horizontal bond on each stepped portion; and a bottom portion forming a sealing surface adapted to sealingly engage a seating surface of the seat.