Dispensing apparatus having means for loading pipette tips in a dispense head
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United States of America Patent
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May 26, 2009
Grant Date -
Aug 24, 2006
app pub date -
Nov 4, 2005
filing date -
Apr 9, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A self contained dispensing head apparatus wherein a modified pipette tip box tray carrier is utilized to furnish pipette tips, carried in a standard pipette tip box, by a pipette tip box tray carrier to the head apparatus and wherein means are provided to engage the pipette tip box tray carrier in a manner whereby the pipette tips are loaded into corresponding internal cylinders formed in the dispense block head. The dispense block head comprises a solid block of material having a plurality of internal cylinders to engage the pipette tips in a sealing arrangement. The pipette tips are modified from the conventional design in that a disk-shaped ring portion is interposed adjacent one end of the pipette tip, a tapered end of the tip allowing a seal to be formed with the dispense block head internal cylinders.
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