Ski goggles

G - Physics – 02 – C

Patent

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G02C 11/08 (2006.01) A61F 9/02 (2006.01)

Patent

CA 1126902

ABSTRACT OF THE DISCLOSURE Ski goggles comprising a goggle frame, a rubber band and a plastics goggle lens composed of a pair of inner and outer lens plates and having a heat insulating interior space between the lens plates. The inner lens plate is formed with an air port at its one end close to the frame and provided with a water- repellent air-permeable filter opposed to the air port. The filter comprises an air-permeable backing sheet and a layer of ethylene tetrafluoride resin fibers. The filter can be housed in a filter frame with an air flow regulating valve accommodated in the filter frame. The air port may be provided, in place of the filter, with a bellows container or an elastic container serving as a pressure balancing container and disposed in the goggle frame.

344186

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