Face mask having an air duct connectable to a goggle

Details Face mask having an air duct connectable to a goggle Face mask having an air duct connectable to a goggle

1985-07-16

1987-03-31

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2 9, 2436, 12820621, A61F 902

Patent

active

046531246

ABSTRACT:
A releasably attachable face mask that forms a contiguous channel with an attached goggle to improve goggle ventilation. An elongated pocket or duct formed between two surfaces on the face mask mates with the goggle ventilation system to form the contiguous channel.The channel forms a venturi to draw air out from the goggle interior to the atmosphere through the contiguous channel.

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patent: 4011595 (1977-03-01), Shields
patent: 4178742 (1979-12-01), Longfellow
patent: 4250577 (1981-02-01), Smith
patent: 4435852 (1984-03-01), Nesler

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