Prin ung machine
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United States of America Patent
Stats
-
Aug 16, 2022
Grant Date -
Oct 14, 2021
app pub date -
Mar 10, 2021
filing date -
Apr 8, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ink recovery pipe comprises: an inflow port for receiving ink from an ink reservoir, and disposed at a position close to a first machine frame; and an outflow port for discharging ink into an ink container, and disposed at a position close to a second machine frame. A first restriction device is disposed at a position downstream of the inflow por. A first coupling part is configured to couple a high-pressure air generation part with the ink recovery pipe at a position downstream of the first restriction device. A first high-pressure air control device is configured to stop supply of high-pressure air to the ink recovery pipe, while ink is supplied to the ink reservoir, and supply the high-pressure air to the ink recovery pipe, after start of an ink recovery operation of recovering ink from the ink reservoir after completion of supply of ink.
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