C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/183
C25B 9/00 (2006.01) C25B 13/00 (2006.01) C25C 7/04 (2006.01)
Patent
CA 1112207
INVENTION: MEMBRANE SECURING DEVICE INVENTOR: BRONISLAW B. SMURA Abstract An apparatus adapted to retain a membrane within an electrolytic cell is provided which comprises an elongated, hollow, cylindrical member composed of a rigid or semi-rigid, essentially chemically inert, non-conducting material having a substantially smooth outer surface, and a continuous open slit running the length of said member, both ends of said member having located thereon a circular cap whereby a membrane such as a fragile ion-permselective membrane held within said slit is prevented from being withdrawn from said member during assembly and disassembly of said electrolytic cell and whereby safe handling and storage of these fragile mem- branes is permitted without mechanical or chemical damage thereto during prolonged periods of cell disassembly. At least one of said caps, preferably both, are removably mounted on the end of said member. The member and caps are constructed of a rigid or a semi-rigid, essentially chemically inert sub- stance, preferably polyvinyl chloride which is chemically inert to the strong alkaline and acidic electrolytes required in electrolytic or electrodialytic cells.
315478
Allied Corporation
Gowling Lafleur Henderson Llp
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