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Patent Searching and Data


Title:
INK JET PEN
Document Type and Number:
Japanese Patent JP3798079
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an ink jet pen device equipped with a back pressure mechanism hard to receive the effect of the fluctuations of the flow rate of ink and capable of holding back pressure to a predetermined almost constant back pressure object value.
SOLUTION: This ink jet pen is equipped with a pen main body 1 having an ink confining chamber 3b, the ink jet printing head mechanism 7 connected to the pen main body and transmitting the liquid of the ink confining chamber and the connection mechanism connecting the ink confining chamber to an ink tank. Further, an adjusting mechanism 12 arranged in the ink confining chamber to be connected to the connection mechanism and adjusting the flow of ink from the ink tank to the ink confining chamber through the connection mechanism and keeping a predetermined almost constant back pressure object value in an ink jet printing head during the change of the flow rate of the ink from the ink tank to the ink confining chamber is provided.


Inventors:
Norman E. Pauloski, Junior
Application Number:
JP22253196A
Publication Date:
July 19, 2006
Filing Date:
August 23, 1996
Export Citation:
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Assignee:
HEWLETT-PACKARD COMPANY
International Classes:
B41J2/175; G01F23/00; G01F23/72; (IPC1-7): B41J2/175
Domestic Patent References:
JP6059048U
JP62231759A
JP58118244U
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo