Dental apparatus and fluid reservoir for the same

Dentistry – Apparatus – Having intra-oral dispensing means

Reexamination Certificate

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Details

C433S080000, C433S084000

Reexamination Certificate

active

07131838

ABSTRACT:
The present invention relates to dental apparatus including a fluid reservoir having a connection part, and a fluid reservoir receptor section having a reception part. The connection part includes a cylindrical member, a shaft member slidably arranged through the cylindrical member, and having a channel, a fluid passage defined between the channel and the cylindrical member, and an air passage formed in the cylindrical member for taking external air in. The openings of the fluid and air passages are openable by sliding the shaft member. The reception part includes a passage, a valve in the opening of the passage for taking external air in, and a releaser member for sliding the shaft member to open the openings of the fluid and air passages when the fluid reservoir is installed on the fluid reservoir receptor section.

REFERENCES:
patent: 5338194 (1994-08-01), Strohmaier
patent: 2003/0077552 (2003-04-01), Decosterd et al.
patent: 33 12 705 (1984-10-01), None
patent: 41 38 672 (1993-05-01), None
patent: 0 427 944 (1991-05-01), None
patent: 3-264013 (1991-11-01), None
patent: 2000-337628 (2000-12-01), None
patent: 00/27746 (2000-05-01), None
English Abst. DE 33 12 705 Internet.
Patent Abst. of Japan 03-264013.
Patent Abst. of Japan 2000-337628.

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