Full head respirator

Details Full head respirator Full head respirator

1989-08-23

1991-05-21

Burr, Edgar S.

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820128, 12820124, 12820612, 12820616, A62B 1810, A62B 710, A62B 1900, A62B 2302

Patent

active

050166255

ABSTRACT:
A full head respirator to filter the air of smoke and fumes, that includes an infrastructure capable of fitting over a human head and adaptable to all sizes and shapes of wearers. The infrastructure is formed by a plurality of intersecting air tubes. The respirator has a covering made of flexible flame-resistant material that is adapted to envelop the human head and neck, mounted on the infrastructure and secured thereto. The covering has a transparent eyepiece, and filter means. The respirator has a mechanism for generating a foam to fill the air tubes of the infrastructure, and thereby fit them about the head of a wearer, and fastening mechanisms to secure the respirator on the head of the wearer.

REFERENCES:
patent: 2435167 (1948-01-01), Stetson
patent: 2437755 (1948-03-01), Rich
patent: 2764152 (1956-09-01), Osterberg
patent: 3565068 (1971-02-01), Bickford
patent: 4052984 (1977-10-01), Brockway
patent: 4231118 (1980-11-01), Nakagawa
patent: 4382440 (1983-08-01), Kapp et al.

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