Method and apparatus for preventing waterdrops inside a sealed i

Details Method and apparatus for preventing waterdrops inside a sealed i Method and apparatus for preventing waterdrops inside a sealed i

1974-09-12

1976-01-20

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 15, 34 92, 34104, 58 1R, F26B 700, F26B 504

Patent

active

039329445

ABSTRACT:
An arrangement for preventing the production of waterdrops inside a wrist watch, comprising a hollow sealed container communicating with a suction pipe having an on-off valve for a suction pump on one side and an air feed section having an on-off valve, a desiccator and a filtering material on the other side. A watch is placed in the container with the crystal of the watch loosened. Air in the container is withdrawn by the pump to decrease the pressure therein, whereupon dry air, which has been passed through a desiccator and filtering material, is suctioned into the sealed container and enters the wrist watch therein, so that dry air is thus enclosed in the watch.

REFERENCES:
patent: 2854815 (1958-10-01), Piquerez
patent: 3088219 (1963-05-01), Kraus
patent: 3262212 (1966-07-01), De Buhr
patent: 3451189 (1969-06-01), Taggart

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