Patent ID: 6848466
Filing Date: 2005-02-01
Classification: F16K,Y10T

Abstract:
1. A reset tool for releasing pressurized gas trapped in an interior space between a main valve and a safety valve of a valve assembly mounted on an outlet of a gas fuel tank, the valve assembly having an outlet with a threaded portion, the tool comprising: a tank safety valve release member having a threaded portion, the release member being configured to be inserted into the valve assembly outlet with the threaded portion of the release member engaging the threaded portion of the valve assembly outlet so that rotation of the release member advances the release member into the valve assembly outlet and into engagement with the safety valve to move the safety valve to an open position; the release member having structure defining at least one gas escape path to enable the pressurized gas trapped in the interior space to escape to atmosphere when the safety valve has been moved to its open position; and a drive part connected to the release member for allowing a user to rotate the tool to advance the release member in the outlet, wherein the structure defining the at least one escape path is provided on the exterior of the release member and cooperates with the valve assembly outlet to enable the pressurized gas to escape to the atmosphere around the release member, prior to the attachment of a gas utilizing device.