LIQUID SUPPLY DEVICE, LIQUID DISCHARGE SYSTEM, PRINTING SYSTEM, AND LIQUID CIRCULATION METHOD

Provided are a liquid supply device, a liquid jetting system, a printing system, and a liquid circulation method capable of suppressing sedimentation of particles dispersed in a solvent in a case of circulating a liquid in which the particles are likely to be sedimented. The liquid supply device inc...

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Bibliographische Detailangaben
1. Verfasser:	KYOSO, Tadashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES FILLING PASTES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Provided are a liquid supply device, a liquid jetting system, a printing system, and a liquid circulation method capable of suppressing sedimentation of particles dispersed in a solvent in a case of circulating a liquid in which the particles are likely to be sedimented. The liquid supply device includes a circulation flow passage (16, 18) that communicates with a circulation port of a liquid jetting head (14) and a supply port of the liquid jetting head and a pressurization device (24, 50) that pressurizes a liquid inside the circulation flow passage, in which in a case in which the liquid is circulated by using the circulation flow passage, the pressurization device is controlled to pressurize the liquid, and in a case in which a first liquid which has particles dispersed in a solvent and has a particle sedimentation characteristic different from that of a second liquid and in which the particles are likely to be sedimented is circulated as the liquid, a pressure that is equal to or more than 2.0 times and equal to or less than 3.5 times a pressure to be applied to the second liquid in a case in which the second liquid is circulated is applied to the first liquid.