Patent ID: 6014984
Filing Date: 2000-01-18
Classification: B25B,F16B,F16K,Y10T

Abstract:
A valve comprising a body, an internal opening and closing member, an external operating wheel connected by a connecting rod directly or indirectly to the opening and closing member, a stuffing box through which the said rod passes and which is screwed in leaktight manner into the body of the valve, the said stuffing box having a head that can be operated on using an appropriate tool to be screwed or unscrewed, wherein there is a peripheral skirt associated with at least one of the valve body or the operating wheel and completely surrounding the head of the stuffing box and preventing lateral access thereto, in that the wheel has at least two perforations and in that the said appropriate tool has claws, a cross section of which complements the said perforations and the head of the stuffing box so that they can pass through the operating wheel and engage with the head of the stuffing box.