Water supply device for dental work stations

Details Water supply device for dental work stations Water supply device for dental work stations

1992-07-24

1994-03-22

Wilson, John J.

Dentistry

Apparatus

Having intra-oral dispensing means

433 80, 433 98, A61C 110, A61C 112, A61C 102, A61G 1702

Patent

active

052958299

ABSTRACT:
A water supply device for dental apparatuses which is provided with an arrangement to prevent backflow of contaminated water from any one of the dental apparatuses into the fresh water supply is characterized by providing a separate container for receiving water from the water system and a pump for pumping water from the container through lines to each of the discharge locations for the dental apparatus. In one embodiment, the pump is driven by an electrical motor and in another embodiment the pump is formed by two air-actuated piston pumps that work asynchronously. The arrangement can include a second container for disinfectant, which is discharged into the first container as fluid is added to the first container.

REFERENCES:
patent: 4276023 (1981-06-01), Phillips et al.
patent: 4302185 (1981-11-01), Hall
patent: 4545956 (1985-10-01), Ciszewski et al.
patent: 4699589 (1987-10-01), Friedman et al.
patent: 5044952 (1991-09-01), Castellini
patent: 5074787 (1991-12-01), Tsukada
patent: 5158454 (1992-10-01), Viebahn et al.

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