Face mask and retainer

Details Face mask and retainer Face mask and retainer

1996-10-17

1998-08-18

Millin, Vincent

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820612, 12820617, 12820624, 12820626, A62B 1802

Patent

active

057946175

ABSTRACT:
A retainer is provided for a face piece that has a generally triangular face shaped rim for forming a seal over user's face when the face piece is worn. The retainer is made from a stiff material and has a rim that conforms to the rim of the face piece, and is shaped to provide a loose frictional fit over the face piece. The retainer helps protect the face piece during shipping, storage, and when otherwise not in use, and can help correct minor deformation in a face piece.

REFERENCES:
patent: 2823671 (1958-02-01), Garelick
patent: 2917045 (1959-12-01), Schildknecht et al.
patent: 3042035 (1962-07-01), Coanda
patent: 4960121 (1990-10-01), Nelson et al.
patent: 5003633 (1991-04-01), Itoh
patent: 5080092 (1992-01-01), Tenna

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