Dampening mask for use in aircraft

Details Dampening mask for use in aircraft Dampening mask for use in aircraft

1989-06-27

1991-04-30

Nerbun, Peter

Apparel

Head coverings

Face coverings

12820113, 12820612, A62B 1802

Patent

active

050105949

ABSTRACT:
A dampening mask for use in aircraft, includes a mask body to be worn in a manner in which it is placed in front of the nose of the wearer to cover at least the nose, and forming a small space separated from the outside air in front of the nose; and a ventilation-passage member provided in a portion of the mask body which is, when the mask is worn, situated in front of the nose, the ventilation-passage member interconnecting the small space and the outside air in communication, the ventilation-passage member being a honeycomb structure made of a moisture absorbing material which has a function of absorbing and releasing moisture, the honeycomb structure having a large number of ventilation passages (tubular cavities) directed forward so as to form passages for air.

REFERENCES:
patent: 2348108 (1944-05-01), Bulbulian
patent: 3814094 (1974-06-01), De Angelis et al.
patent: 3835853 (1974-09-01), Turner
patent: 3982981 (1976-09-01), Takao et al.
patent: 4136691 (1979-01-01), Ebeling et al.
patent: 4150671 (1979-04-01), Tiger
patent: 4157090 (1979-06-01), Phillips
patent: 4196728 (1980-04-01), Granite
patent: 4325365 (1982-04-01), Barbuto
patent: 4327717 (1982-05-01), Oetjen et al.
patent: 4458679 (1984-06-01), Ward
patent: 4620537 (1986-11-01), Brown

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