Intermittent coating of moving surfaces
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Jun 14, 2016
filing date -
Sep 13, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A device that intermittently coats a moving surface with a paste containing electrochemically active particles including a nozzle having a slot-shaped delivery opening, a paste reservoir from which paste being supplied to the delivery opening via a transport channel, a rotary valve having a rotatably mounted control axle that enables the paste supply to the delivery opening in a first switching position and, in a second switching position, blocks the transport channel and disconnects a section of the transport channel extending as far as the delivery opening from the paste supply, and a reduced pressure source in communicating connection with the rotatably mounted control axle via a reduced pressure channel, wherein the rotatably mounted control axle comprises a passage via which the paste reservoir is in communicating connection with the delivery opening in the first switching position and via which the delivery opening is in communicating connection with the reduced pressure source in the second switching position.
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