Half-face mask assembly

Details Half-face mask assembly Half-face mask assembly

1987-03-18

1990-10-02

Hindenburg, Max

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820627, 12820711, A62B 1808

Patent

active

049601210

ABSTRACT:
An improved half-face mask assembly (10) which can be easily donned and doffed. The assembly includes a hard shell (12), a rubber-like face seal (14), a head harness assembly (16) and two harness anchors and adjusters (18). These parts can be readily assembled or disassembled. Face seals of differing sizes may be assembled to the hard shell. An improved seal is provided between a hard shell (12) and an associated rubber-like face seal (14). A two point head harness suspension system is typically provided althrough an optional neck strap assembly may be utilized with the half-face mask assembly. In addition, a novel one piece harness anchor and adjuster is disclosed.

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3M "The Dual Cartridge" Occupational Hazards Jun. 1986 p. 65.
Survivair "The Blue I" Occupational Hazards Jun. 1986 p. 71.

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