B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
26/160, 117/7
B01D 39/08 (2006.01) B01D 41/00 (2006.01) B01D 65/10 (2006.01) B29C 73/10 (2006.01)
Patent
CA 2007253
A method is disclosed for the in-situ repair of damaged filter cloths in solvent dewaxing filters. The damage that can be repaired can be either or both of tears or holes. The method comprises thoroughly washing the filter cloth in the area of the damage to remove wax and oil, applying a quantity of solvent resistant adhesive to the damaged area such that the area of treatment extends beyond the hole or tear and adhesive overlays onto undamaged cloth, inserting pre-cut portions of filter cloth into the damage so as to completely fill the hole or tear but not create a bulge or cloth buildup in the face of the filter cloth where required and, finally, and optimally applying a final coating of adhesive over the repaired area.
Armstrong Scott Wesley
Bristow Duncan John
Dallaire Louis Charles
Ewener Patrick Charles
Thompson John Arthur
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
Imperial Oil Limited
LandOfFree
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