B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
99/1, 183/5, 226
B01D 53/00 (2006.01) B65B 31/02 (2006.01) B65B 43/60 (2006.01)
Patent
CA 1071116
ABSTRACT OF THE DISCLOSURE A method and apparatus for excluding a noncon- densible gas from voids in a particulate product and thereafter filling the degassed product into a container. If the product includes only entrapped voids, a liquid is directed upwardly through the product in a degassing chamber to purge noncondensible gases from the voids. The upper end of the chamber is then closed at a point below the liquid level and the lower end of the chamber is opened to discharge the degassed product and liquid into a separating mechanism which causes the product to gravitate into the container and the liquid to be collected in a sump for recirculation. If the product is a low free liquid porous food product that includes both entrapped and occluded voids, the degassing chamber is first closed and vacuumized. The liquid is then directed upwardly through the product in the degassing chamber while vacuumization continues. The degassing chamber subsequently returns to atmospheric pressure at which time liquid enters the occluded voids and substantially all noncondensible gas is withdrawn from the degassing chamber. The lower end of the chamber is then opened to discharge the degassed product and liquid as above described. The resulting filled and sealed container comprises an article of manufacture in the nature of a sealed container with the noncondensible gas removed from the occluded voids being replaced by a liquid. -1a-
261789
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