LIQUID EJECTION HEAD AND PRINTING APPARATUS

PROBLEM TO BE SOLVED: To provide a print head wherein an influence on an ink to be ejected from an ejection port subsequently by an air flow generated by an ejected ink is suppressed evenly for respective ejection ports in the print head. SOLUTION: A print head 100 has an ejection port for ejecting...

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Bibliographic Details
Main Authors KIMURA TOMOMI, YAMAGUCHI ATSUTO, ARIMIZU HIROSHI, MIYAKOSHI YUTO, DOI TAKESHI, KISHIKAWA SHINJI
Format Patent
LanguageEnglish
Published 29.07.2010
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:PROBLEM TO BE SOLVED: To provide a print head wherein an influence on an ink to be ejected from an ejection port subsequently by an air flow generated by an ejected ink is suppressed evenly for respective ejection ports in the print head. SOLUTION: A print head 100 has an ejection port for ejecting ink. On an ejection port forming face formed with the ejection port 1, a projection 8 projecting from the ejection port forming face is formed. The projection 8 is arranged at a position where the distance from the center of the ejection port 1 is within the maximum of a diameter of a vortex core of a vortex that is formed when liquid droplets are ejected in the case that no projection is formed. COPYRIGHT: (C)2010,JPO&INPIT
Bibliography:Application Number: JP20090256144