B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
222/77, 222/79,
B67D 3/00 (2006.01) B67D 7/02 (2010.01) B05B 11/00 (2006.01) G01F 11/02 (2006.01)
Patent
CA 1111390
ABSTRACT OF THE DISCLOSURE A dispenser for pasty products of the type having a usually cylindric container with a slidable piston-like bottom which can advance towards the discharge end of the container as the volume inside the container is decreased. A dispensing head assembly telescopes at the discharge end of the container and is provided with two check valves, one separating the head from the interior of the container, the other at the dis- charge nozzle or spout. On contraction of the head, the first mentioned valve is closed and the latter open for discharge. As the head is expanded by a return spring, the discharge valve closes and the first mentioned valve opens to admit the pasty product from the container into the head assembly.
343747
Czech Joachim
Sieghart Hans D.
Czech Joachim
Gowling Lafleur Henderson Llp
LandOfFree
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