B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
23/423
B01J 8/44 (2006.01) B01J 8/18 (2006.01) B05C 19/06 (2006.01)
Patent
CA 1293361
Abstract of the Disclosure A fluidizing bed hopper having a plenum chamber and an air pervious fluidizing bed plate defining the top surface of that plenum chamber. The fluidizing bed plate is of two ply and comprises a first ply of rigid porous structure and a second ply of non-woven filter media. In the preferred embodiment, the first ply of rigid porous structure comprises spherical glass beads bonded together to form a network of interstitial pores of substantially uniform size. The filter media preferably comprises point sealed, thermally bonded, non-woven polypropylene fibers.
569353
Burke Richard D.
Corporation Nordson
Macrae & Co.
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