FIELD: printing industry.
SUBSTANCE: head for jet printing device comprises base, having inlet channel for ink, ejection outlet hole to eject ink supplied through inlet channel, flow area, which provides for fluid medium communication between inlet channel and ejection outlet hole. Additionally flow area includes the first flow formed near base and the second flow formed along the first flow at side opposite to base relative to the first flow. Width of the first flow differs from width of the second flow in plane of section perpendicular to direction of ink flow. Besides, between the first flow and the second flow there is a stepped section.
EFFECT: invention provides for structural design of head, in which channels are suitable in resistance to flow of ink, have satisfactory thickness of side walls, making it possible for neighbouring channels to eject various amounts of ink.
7 cl, 19 dwg
| Title | Year | Author | Number |
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| HEAD OF LIQUID EJECTION AND METHOD OF LIQUID EJECTION | 2009 |
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RU2415754C1 |
| JET PRINTING HEAD | 2008 |
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