| 摘要 |
A disposable vision clearing device for painting or the like that is formed from three basic components: a flat die cut card stock paper housing blank, a flat die cut card stock paper interior assembly blank and a transparent sheet of film having its one end mounted on a supply roll and its other end mounted on a take-up reel. These basic components are assembled together in a predetermined manner and tab members on the respective paper blank members have adhesive applied to them and two important assembled structures are formed. They are the top and bottom tracks along which the respective top and bottom edges of the sheet of film can travel as it advances across the aligned cutout window portions. Other important assembled structures are the sealed enclosure for the supply roll and the sealed enclosure for the take-up reel. The disposable vision clearing device can worn over safety goggles or over the lens of a full face respirator in addition to being used alone by itself without either of these other devices.
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