POWDER CLASSIFYING METHOD AND CLASSIFIED PARTICLE

PROBLEM TO BE SOLVED: To provide a method using an electroformed for classifying a powder without the clogging of a screen and the agglomeration of particles and also provide particles classified by the method and also provide its use. SOLUTION: In the classifying method, a dispersed body formed of...

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Bibliographische Detailangaben
Hauptverfasser:	HAGEN DAIKI, WAKATSUKI SHINJI, KITAGAKIDO HIROYUKI, TORIBUCHI HIRONOBU, SASAKI NORIKUNI, KURAMOTO SHIGEFUMI
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method using an electroformed for classifying a powder without the clogging of a screen and the agglomeration of particles and also provide particles classified by the method and also provide its use. SOLUTION: In the classifying method, a dispersed body formed of a raw material powder dispersed into a liquid medium is passed through a classifying device with the electroformed screen to classify the raw material powder into particles of desired particle size range, and (1) as the classifying device, the electroformed screen, movable and/or rotatable, is used, (2) the electroformed screen is cleaned from the downstream side during the classification and (3) the classification is carried out in the state of pressurizing the dispersed body and/or vacuumizing the outlet side of the screen.