Dispensing – Automatic control – Material level control
Reexamination Certificate
2006-10-10
2006-10-10
Kaufman, Joseph A. (Department: 3754)
Dispensing
Automatic control
Material level control
C222S129000, C222S158000, C222S318000, C222S424000, C222S450000, C222S462000
Reexamination Certificate
active
07118011
ABSTRACT:
A disposable tube set apparatus is provided for delivering a precise volume of a fluid to containers which comprise a reservoir for a fluid, an inlet conduit to the said reservoir, at least one first outlet conduits from the reservoir, a sight tube connected to each of the at least one outlet conduit, each of the sight outlet tubes having an interior wall tapered away from a central vertical axis of each of the sight outlet tubes, a return conduit connecting each of the sight outlet tubes to the reservoir, and a second outlet conduit connected to each of the sight tubes.
REFERENCES:
patent: 2677480 (1954-05-01), Wiczer
patent: 2889892 (1959-06-01), Schaub et al.
patent: 3607100 (1971-09-01), Croom
patent: 3760981 (1973-09-01), Weed
patent: 5344231 (1994-09-01), Jonsson et al.
patent: 5480063 (1996-01-01), Keyes et al.
patent: 5680960 (1997-10-01), Keyes et al.
patent: 6024251 (2000-02-01), Mayer et al.
Kaufman Joseph A.
Millipore Corporation
Millipore Corporation
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