Perimeter seal for disposable respirators

Details Perimeter seal for disposable respirators Perimeter seal for disposable respirators

A - Human Necessities

62

B

2/45

A62B 18/02 (2006.01)

Patent

CA 1296487

Abstract of the Disclosure A partial perimeter face seal for molded disposable respirators and/or filtration masks attached to approximately one-third of the perimeter of the respirator in the nose and upper cheek areas is described. The face seal provides face fit or sealing performance comparable to that previously obtained only with respirators utilizing full perimeter seals.

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