Multilayered hood with elastomeric neck seal

Details Multilayered hood with elastomeric neck seal Multilayered hood with elastomeric neck seal

1990-02-20

1991-10-15

Lewis, Aaron J.

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820528, A62B 710

Patent

active

050565125

ABSTRACT:
A hood suitable for protection against decompression and toxic fumes, prepared using a laminar structure of polyimide, two or more layers of fluoropolymer and heat sealable polymer that affords the heat resistance of polyimide with a markedly lower internal noise level, ease of fabrication and resistance to etching by flame. An improved neck seal is also provided.

REFERENCES:
patent: 3521629 (1970-07-01), Reynolds
patent: 4165404 (1979-08-01), Quehl
patent: 4221216 (1980-09-01), Kranz
patent: 4233970 (1980-11-01), Kranz
patent: 4440164 (1984-04-01), Werjefelt
patent: 4523588 (1985-06-01), Dolsky
patent: 4627431 (1986-12-01), Werjefelt
patent: 4637383 (1987-01-01), Lopez

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