Respirator with a breathing filter

Details Respirator with a breathing filter Respirator with a breathing filter

1995-06-01

1996-05-14

Burr, Edgar S.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820125, 12820612, A62B 1802, A62B 1808, A62B 2302

Patent

active

055158463

ABSTRACT:
A respirator including a mask body with a breathing filter at a breathing connection of the mask body, with a cuff accommodating the breathing filter and with a bellows, which seals the mask interior against the environment. The bellows is connected to the cuff and to the mask body. The breathing filter is locked in the position of use based on the bellows being made in one piece with the breathing connection, as a continuation of the mask body. The bellows surrounds the cuff in the manner of a truncated cone, in at least one partial section of the extent of the breathing filter.

REFERENCES:
patent: 2375147 (1945-05-01), Teague
patent: 2382364 (1945-08-01), Yant
patent: 2827900 (1958-03-01), Marietta
patent: 4029092 (1977-06-01), Morgan
patent: 4352353 (1982-10-01), Bolton et al.
patent: 4562837 (1986-01-01), Schlobohm
patent: 5148803 (1992-09-01), Schlobohm

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