Check valve disc

Patent metadata

Field	Value
Publication number	US-9506575-B2
Application number	US-201414326610-A
Country	US
Kind code	B2
Filing date	Jul 9, 2014
Priority date	Jul 9, 2014
Publication date	Nov 29, 2016
Grant date	Nov 29, 2016

Abstract

Disclosed is a check valve disc including a disc flapper, the disc flapper formed with urethane, a flexing portion formed by the disc flapper, and a rigid portion including a sealing surface. Also disclosed is a check valve including a valve body, the valve body having an inlet end, an outlet end, and an inner surface defining an inlet cavity proximate the inlet end and an outlet cavity proximate the outlet end, and a check valve disc, the check valve disc including a disc flapper, the disc flapper formed with urethane.

First claim

That which is claimed is:

1. A check valve disc comprising:
a bending insert;
a disc flapper;
a flexing portion formed by the disc flapper and defining a bending insert cavity sized to receive and retain the bending insert, wherein a height defined by a thickness of the bending insert is equal to or less than a height defined by a depth of the bending insert cavity; and
a rigid portion including a sealing surface.

2. The check valve disc of claim 1 , w…

Assignees

• Mueller Int Llc

Inventors

• Fallon Timothy Q
• Bainbridge George Robert Charles

Classifications

• F16K15/03 Primary

  Mechanical Engineering · mapped topic

• F16K27/0227

  Mechanical Engineering · mapped topic