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Patent Searching and Data


Title:
LIQUID DISPENSING APPARATUS AND METHOD OF WASHING DISPENSING HEAD
Document Type and Number:
Japanese Patent JP2004325117
Kind Code:
A
Abstract:

To provide a liquid dispensing apparatus reinforced in a washing function for preventing the blocking of the tip opening of a dispensing head.

The liquid dispensing apparatus for sucking and discharging a very small amount of liquid has the dispensing head 2 that has an opening 54 for sucking and discharging liquid at one end, an opening 46a for discharging the liquid at the other end, and retains the liquid inside; washing tubs 7, 8 for retaining a washing liquid for washing the inside of the dispensing head 2; and a dispensing head inner washing means (for example, a pressure reducing tank 22 and a vacuum pump 25) for washing the inside of the dispensing head 2 by sucking the washing liquid from the opening 54 while one end of the dispensing head 2 is being dipped into the washing tubs 7, 8, and discharging the sucked washing liquid from the opening 46a.


Inventors:
KITAGAWA HIDEYA
Application Number:
JP2003116962A
Publication Date:
November 18, 2004
Filing Date:
April 22, 2003
Export Citation:
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Assignee:
OLYMPUS CORP
International Classes:
G01N1/00; B01L3/02; B01L99/00; G01N35/10; (IPC1-7): G01N1/00; G01N35/10
Attorney, Agent or Firm:
杉村 興作