Fluid handling – Systems – Multiple inlet with multiple outlet
Reexamination Certificate
2006-07-11
2006-07-11
Hepperle, Stephen M. (Department: 3753)
Fluid handling
Systems
Multiple inlet with multiple outlet
C137S613000, C137S625480, C422S105000
Reexamination Certificate
active
07073531
ABSTRACT:
A valve block (1) for a dosing device with an arrangement of piston pipettes (2) or other dosingdevices, includes, on its one face, a pattern of first mouths (15) to be aligned with the arrangement of piston pipettes (2) and, on the opposite face, second mouths (16) each respectively assigned to a first mouth (15). The valve block (1) also includes a plurality of channel systems (20) each with a main connector (23). The valve block (1) has a plurality of plates (10, 11, 12, 13) arranged in a stack. All plates define through holes (14), which are arranged in the pattern of the first mouths (15). At least a part of the plates (11, 12, 13) also have a channel system (20) with channels (21) connected with the main connector (23), wherein the channels (21) form a pattern, which is matched to the pattern of the through holes (14) and which is laterally displaced relative to this pattern. For optionally connecting the first mouths (15) with the corresponding second mouth (16) or with a selected channel system (20), the plate (11, 12or13) including the selected channel system is laterally displaced.
REFERENCES:
patent: 2857082 (1958-10-01), Perkins
patent: 2904070 (1959-09-01), Lynott
patent: 3652228 (1972-03-01), Bernard
patent: 5137698 (1992-08-01), Ansorge et al.
patent: 5538694 (1996-07-01), Delius
patent: 6605256 (2003-08-01), Guller et al.
patent: WO 98/57738 (1998-12-01), None
EPR Labautomation AG
Hepperle Stephen M.
Rankin, Hill Porter & Clark LLP
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