B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 51/16 (2006.01) B65B 31/04 (2006.01) B65D 51/24 (2006.01)
Patent
CA 2075499
-24- A combination pressure and vacuum pump for food or drink containers including a pump housing having a pump cylinder therein, a pump head adapted for sealing engagement with a valve stopper on a food or drink container, arid a piston in sliding airtight engagement with the pump cylinder; the pump cylinder, pump head and piston defining a pump chamber. A handle is provided for moving the piston and the pump cylinder relative to one another to pump a gas into or out of the food or drink container. The pump chamber is connected to the valve stopper via a first opening when the pump head is sealed to the valve stopper and to the atmosphere via a second opening through a combination pressure and vacuum valve, the combination valve being switchable from a vacuum position to a pressure position. A combination pressure and vacuum valve stopper is also shown which includes a valve element reversible between a pressure position and a vacuum position to convert the stopper between pressure and vacuum use.
Lemme Anthony R.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Source Intermarketing Ag.
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