Gas goggles

Details Gas goggles Gas goggles

1990-05-21

1991-09-10

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2426, 2441, 2445, 351178, A61F 902

Patent

active

050461982

ABSTRACT:
The present invention describes goggles for protection against gases having a resilient frame with two eye spaces each surrounding an eye of the user. The eye spaces are surrounded by mounts which hold the lenses in place. In order to obtain a firm fit and the required sealing-tightness between the lenses and the mounts, the surface of the front edge of the mount is formed with a peripheral groove in which a rigid ring is secured. This ring applies pressure to the surface of the front edge of the mount sealingly securing the lens in a recess in the mount.

REFERENCES:
patent: Re12816 (1908-06-01), Cover
patent: 1388959 (1921-08-01), Lamb et al.
patent: 1949595 (1934-03-01), Willson et al.
patent: 2321159 (1943-06-01), Ryan
patent: 2524245 (1950-10-01), Wold
patent: 2799020 (1957-07-01), Currie
patent: 2952852 (1960-09-01), Corey
patent: 3800329 (1974-04-01), Semeia
patent: 4606670 (1986-08-01), Angell
patent: 4698857 (1987-10-01), Kastendieck et al.

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