B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/175 (2006.01) B41J 2/165 (2006.01) B41J 2/19 (2006.01)
Patent
CA 2744726
[Problem to be Solved] To provide a pressure purging device for an inkjet recording apparatus enabling pressure-purging only designated one of a plurality of recording heads and capable of preventing ink from leaking during the pressure purging. [Solution] In a pressure purging device for an inkjet recording apparatus including a back pressure tank 21, a distribution tank 12, a plurality of ink opening/closing electromagnetic valves 13, and a plurality of recording heads 14, and in which the distribution tank 12 is connected to the back pressure tank 21 via an ink supply path 24, the plurality of ink opening/closing electromagnetic valves 13 is attached to the distribution tank 12 while being connected to the plurality of recording heads 14 via the distribution supply pipe 15, the plurality of ink opening/closing electromagnetic valves 13 is directly attached to the distribution tank 12, and there is provided an air switching three-port electromagnetic valve 61 connected to an upper part inside of the back pressure tank 21 via an air path 63 while being connected to a compressed air supply path 62.
Ishikawa Akira
Itabashi Wataru
Izawa Hideo
Marks & Clerk
Miyakoshi Printing Machinery Co. Ltd.
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