B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
210/49
B65D 41/50 (2006.01) B67D 3/04 (2006.01) F16K 31/528 (2006.01)
Patent
CA 1239618
ABSTRACT A tap for fitting into a socket 10 attached to a box and with a frangible diaphragm 11 is formed of only two parts. The outer part 15 clips into the socket 10 and has a spout 19. The inner or valve part 16 has an end formed to pierce the diaphragm and has a reentrant back fitting over an extension to the part 16. A detent 25 engages in a groove on the extension and the groove is formed with various ramps to block movement. The detent moves among three positions. Between the first and second positions it follows a quick thread. Between the second and third positions it moves circumferentially. Either of the second or third positions can coincide with the opening of the valve. In another embodiment the third and first positions are the same so that the valve opens and closes as a result of a screwing action.
477527
Bereskin & Parr
Marley Technical Products (proprietary) Limited
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