B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/15, 18/76
B01D 63/14 (2006.01)
Patent
CA 1163929
MASS TRANSFER APPARATUS WITH COLLAPSED SEMIPERMEABLE MEMBRANE Abstract of the Disclosure A mass transfer apparatus is disclosed comprising a housing, preferably rectangular, a semipermeable membrane dis- posed within said housing said membrane being folded to form a stack of accordion pleats over the whole internal surface of the bottom of said housing, one or more support members being disposed within every pleat on one side only of said membrane, all edges of said membrane being embedded in plastic embedding material within said housing so that the membrane thereby forms two fluid compartments with ports allowing the flow of a fluid in each compartment, the creases of said membrane pleats being collapsed upon said support members and, at their ends, being sharply folded upon themselves and deeply penetrating into the embedding material along a longitudinal side of the housing. The creases which sharply fold upon themselves have a bi-concave external shape.
299315
American Hospital Supply Corporation
Gowling Lafleur Henderson Llp
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