F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 35/00 (2006.01) F17C 13/00 (2006.01) F17C 13/06 (2006.01)
Patent
CA 2068565
A B S T R A C T A tamperproof seal arrangement for the pin index outlet valve of a gas cylinder, comprising a body capable of being positioned closely and securely around the pin index valve and having a number of faces matching those of the valve, one face having at least one inwardly directed projection engaging in and matching either the outlet of the valve and/or the pin index hole or holes of the valve, and another face having non-removably associated with it a unique identification marking, that face being joined to adjacent faces by rupturable means, whereby removal of that face with the identification marking will destroy the continuity of the body, whereafter the rest of the body can be removed from the pin index valve to allow use of the pin index valve whilst it is apparent that the seal arrangement has been destroyed or otherwise visibly damaged.
Darley Derek I.
Ridout & Maybee Llp
Safe T. Seal Limited
LandOfFree
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