Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1990-02-06
1992-07-14
Yuen, Henry C.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
432 42, 432 55, F26B 328
Patent
active
051291614
ABSTRACT:
An apparatus, e.g., a screen printing machine or dryer, having a light fixture wherein one or more cover plates shuttle between an open position in which light may bathe and dry a nearby object and a closed position in which the light is blocked. As an article passes under a lamp mounted onto the fixture the cover plates slide open, and as the dried article departs, the plates slide shut. This apparatus is especially suited for use in conjunction with an ultraviolet lamp, to prevent the escape of UV light into the work environment.
REFERENCES:
patent: 3733709 (1973-05-01), Bassemir et al.
patent: 3745307 (1973-07-01), Peek, Jr. et al.
patent: 3826014 (1974-07-01), Helding
patent: 3831289 (1974-08-01), Knight
patent: 4005135 (1977-01-01), Helding
patent: 4783908 (1988-11-01), Pabst
patent: 4882853 (1989-11-01), Schaft
Precision Screen Machines Inc.
Yuen Henry C.
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