One-way valve

Details One-way valve One-way valve

A - Human Necessities

61

M

137/60

A61M 39/00 (2006.01) A61F 5/44 (2006.01) A61M 1/00 (2006.01) A61M 39/24 (2006.01)

Patent

CA 1307442

ABSTRACT OF THE INVENTION A one-way valve comprising flat resilient members in face-to-face relationship which are bonded upon two generally parallel tracks defining a passageway therebetween, where the tracks have a tortuous profile along their inner edges, and optionally, where the passageway is creased and/or wetted.

577311

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