Importance

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Abstract

A safety valve for a compressed gas container having an overflow duct (2) connected to the compressed gas container and having an outlet duct (3) and having a thermal triggering unit which comprises a closure body (15; 20) that is displaceable out of a standby position in which it holds the overflow duct tightly sealed with respect to the outlet duct in cooperation with a sealing element (9), into a release position in which the overflow duct (2) is connected to the outlet duct and also comprises a burst body (8) which is arranged between an abutment and a closure body (15; 20) to hold the latter in the standby position, such that the thermal triggering unit comprises a spring element (10; 11; 21) which exerts a spring force directed in the direction of the abutment on the burst body (8), characterized in that the closure body (15; 20) is an element having an essentially wedge-shaped cross section and having rotational symmetry about a central axis, said element engaging in the inside diameter of the O ring and pressing it at least radially against a wall of the overflow duct (2) with its sealing surface (28) which is designed in a wedge shape, being broader at its wider diameter than the inside diameter of the O ring as the sealing element (9).

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First Claim