F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/12
F16K 31/126 (2006.01) F16K 7/17 (2006.01) F16K 11/02 (2006.01)
Patent
CA 1271466
VALVE WITH FLEXIBLE SHEET MEMBER Abstract of the Disclosure A valve is disclosed comprising a first body portion (2) having a first surface (16), a second body portion (4) having a second surface (51) facing the first surface, a flexible sheet (8) positioned between the first and second surfaces, a void (4) in the first body portion created and defined by a concave surface (46) formed in the first surface and one side (18) of the flexible sheet. There are at least two fluid passageways (20) (22) in the first body portion communicating with the void at spaced locations, at least one of the fluid passageways being a channel formed in the first surface and terminating at the void. A source of pressure and vacuum (50) (54) is provided for flexing the sheet against and away from the first body portion in order that when the flexible sheet is flexed against the first body portion, the passageways are sealed from each other, and when the flexible sheet is flexed away from the first body portion the fluid passageways are placed in communication with each other by way of the void.
585620
Borden Ladner Gervais Llp
Eastern Plastics Incorporated
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