Ventilation and cooling in selective deposition modeling

Plastic article or earthenware shaping or treating: apparatus – Including ventilating type hood or chamber encasing a...

Reexamination Certificate

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C425S174000

Reexamination Certificate

active

07008206

ABSTRACT:
A ventilation and cooling system for a selective deposition modeling apparatus dispensing a curable material. The ventilation and cooling system captures airborne contaminants in the apparatus making the apparatus suitable for use in an office environment. A pressure drop is established within the apparatus to assure that all air that enters the apparatus passes through a filter which captures the airborne contaminants before the air is expelled from the apparatus. Sensors are provided to assure that the ventilation and cooling system is function properly, and if not, the apparatus is either shut down or a signal is provided to the operator indicating that the system is not functioning properly.

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