Mark Christophe Bjorlin

US Patent:

8020577, Sep 20, 2011

Filed:

Jan 21, 2008

Appl. No.:

12/009538

Inventors:

Brent L. Gabel - Fridley MN, US
David A. Endresen - Brooklyn Center MN, US
Mark C. Bjorlin - Victoria MN, US

Assignee:

Cherne Industries Incorporated - Minneapolis MN

International Classification:

F16K 17/16

US Classification:

137 6823, 138 93

Abstract:

A rupture disc assembly for pneumatic plugs constructed and arranged to cooperate with an aperture in an end casting or other plug component to expel excess air from the plug interior when a predetermined internal plug pressure is reached. The rupture disc holder assembly may have a two part body structure and be mounted to the inside or outside of the pneumatic plug. The rupture disc assembly utilizes a rupturable member in a flanged holder structure positioned in communication with the pneumatic plug.