Patent ID: 6994113
Filing Date: 2006-02-07
Classification: F16K,Y10T

Abstract:
1. A gas inlet closing device for closing a gas inlet in a valve device for a pressurized gas cylinder, comprising: a structure for enabling the valve device to have a freedom of translation between an extreme gas inlet closing position and a gas inlet open position at an extreme stop position or an intermediate position determined by the position of a component having translatory movement which can be adjusted by the action of a handwheel; a cylindrical, rod-type mobile flap having a lower end for closing the inlet of as coming from the cylinder, said mobile flap being adapted to have a translatory movement; a part having a hollow cylindrical body for coaxially surrounding said flap; a spring disposed around said part that surrounds the flap, said spring having a first end engageable with a shoulder of said part and a second end extending beyond the upper end of said part; and a spring compressor including said flap for compressing said spring, said spring compressor being disposed in an upper end of the flap that extends beyond said part.