Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
Reexamination Certificate
2006-06-06
2006-06-06
Manahan, Todd E. (Department: 3732)
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using disinfecting or sterilizing substance
C433S082000
Reexamination Certificate
active
07056472
ABSTRACT:
A device for feeding a treatment liquid into medical appliances. The device includes an outlet opening for the treatment liquid, especially for feeding water into dental equipment, a feed line for the treatment liquid, means to introduce degerminating agents into the treatment liquid, and an on/off valve disposed upstream from an outlet opening onto which the feed line is connected. A back-flush valve is connected to the on/off valve, and a reservoir is provided for the treatment liquid, whereby the treatment liquid is transported from the reservoir with the aid of a pump. Further, a back-flush line is connectible alternatively via a drain valve to a drain or to the reservoir so that the treatment liquid is pumped into the drain, or in circulation from the reservoir through the feed line to the switch valve and through the back-flush line again into the reservoir.
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patent: 5087198 (1992-02-01), Castellini
patent: 5295829 (1994-03-01), Frey et al.
patent: 5558841 (1996-09-01), Nakagawa et al.
patent: 5785523 (1998-07-01), Overmyer
patent: 6177018 (2001-01-01), Ruppenthal
patent: 36 35 568 (1987-08-01), None
patent: 195 09 180 (1996-09-01), None
Dykema Gossett PLLC
Manahan Todd #E.
Sirona Dental Systems GmbH
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