Air Wash Spray Mask

An Air Wash Protective Mask - patent applied for in November, 1946, accepted in July, 1949. Invention by Eric Douglas.

"...The object of this invention is to provide

an air wash protective mask which

will fully protect the eyes, respiratory

tracts, lungs, and stomach of a person

engaged on, or in contact with doping,

spray painting and fumigating with

liquids containing pigments or giving

off spray, toxic fumes or the like which

are injurious to the human body...

...A further object is to provide a protective

mask which is comfortable on

the wearer and which embodies means

for supplying to the wearer an ample

supply of clean and pure atmospheric

air thus enabling him to work comfortably

for long periods in contaminated

areas...

...Figures 1, 2 and 4, are respectively

side elevation, plan and front elevation

of the apparatus;

Figure 3 is a fragmentary view on

the line A-A of Figure 1 showing the

air distributor and its fastenings;

Fgure 5 is a fragmentary section on

the line B-B of Figure 1; and

Figure 6 is a fragmentary section on

the line C-C of Figure 2..."

Patent - 133,568

Eric Douglas invented this protective spray mask when he was C/O of RAAF Amberley. He also invented a Boltless Aircraft undercarriage but did not apply for a Patent as he considered it to be of prime interest to the RAAF rather than himself personally.

Done