F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/9
F16L 55/10 (2006.01) F16L 41/08 (2006.01) F16L 41/16 (2006.01) F16L 55/16 (2006.01)
Patent
CA 1036962
BAYONET-TYPE CLOSURE FOR LINE STOPPER FITTINGS ABSTRACT OF THE DISCLOSURE An assembly for closing a side opening in a pipe and including a fitting attached to the pipe and having a tubular portion aligned with the opening and a completion plug insert- ed into the tubular portion to seal the opening from the ex- terior of the pipe. The completion plug is provided with cir- cumferentially spaced lugs lying in a plane normal to the axis of the plug, the lugs being arranged to fit into a groove in the tubular portion of the fitting, there being spaced arcuate cutouts in the tubular portion whereby the arrangement is a bayonet-type of fastening. Stop means are provided to limit rotation of the plug in a closing direction and further stop means are provided for preventing inadvertent removal of the plug from the fitting. A third stop means is provided for stop- ping the plug when being rotated to a position for removal, the third stop means aligning the lugs of the plug with the cutouts in the fitting so that the plug can be retracted from the fit- ting.
248692
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