G - Physics – 05 – D
Patent
G - Physics
05
D
137/137
G05D 7/00 (2006.01) B01D 46/10 (2006.01) B65D 88/72 (2006.01)
Patent
CA 1227106
ABSTRACT OF THE DISCLOSURE A porous composite structure for controlling of gas flow therethrough. The porous composite structure includes a first porous ele- ment formed from a sheet having a plurality of perforations with a first total predetermined cross-sectional area. A second porous element formed from a perforated sheet having a second total predetermined perforation cross-sectional area is disposed parallel to the first porous element and spaced a predetermined distance therefrom. At least one intermediate porous element is interposed the first porous element and the second porous element. The intermediate porous element has a total predetermined cross- sectional pore area which is less than the first and second total predeter- mined cross-sectional areas. Each of the porous elements are bonded to adjacent porous elements to form an integral structure, whereby the inter- mediate porous element regulates the flow of gas through the porous com- posite structure while the first and second porous elements mechanically strengthen the porous composite structure. A method of producing the porous element is also disclosed.
447603
Cole Frederic W.
Padden James B.
Facet Enterprises Inc.
Ridout & Maybee Llp
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