<titlePart> <text>SECTION B <emdash/> PERFORMING OPERATIONS</text> </titlePart> <titlePart> <text>TRANSPORTING</text> </titlePart> LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION Method General operations by centrifugal force, using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force, using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/LIQUID OR SOLID/GAS SEPARATION Method General operations by centrifugal force using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/SOLID SEPARATION Method Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods Apparatus Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus , Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods <titlePart> <text>SHAPING</text> </titlePart> <titlePart> <text>WORKING CEMENT, CLAY, OR STONE</text> </titlePart> <titlePart> <text>PREPARING CLAY</text> </titlePart> <titlePart> <text>PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER</text> <entryReference>preparing material for foundry moulds <sref ref="B22C0005000000"/></entryReference> </titlePart> In this subclass, the following terms or expressions are used with the meanings indicated: "cement" or "mixtures of cement with other substances" includes plaster; "clay" includes like ceramic compositions. <titlePart> <text>Apparatus or methods for obtaining or processing clay</text> <entryReference>filtration in general <sref ref="B01D"/></entryReference> <entryReference>separation of solids from solids <sref ref="B03"/>, <sref ref="B07"/></entryReference> <entryReference>chemical part <sref ref="C04B"/></entryReference> <entryReference>by mining or quarrying <sref ref="E21C0041160000"/>, <sref ref="E21C0041260000"/>, <sref ref="E21C0047100000"/></entryReference> </titlePart> <titlePart> <text>for producing or processing clay suspensions</text> <entryReference>producing or processing suspensions in general <sref ref="B01"/></entryReference> </titlePart> <titlePart> <text>Producing suspensions, e.g. by blunging</text> </titlePart> <titlePart> <text>Processing suspensions</text> </titlePart> <titlePart> <text>Separating suspensions, e.g. for obtaining clay, for removing stones</text> <entryReference>filtration in general <sref ref="B01D"/></entryReference> <entryReference>separation of solids from solids <sref ref="B03"/>, <sref ref="B07"/></entryReference> </titlePart> <titlePart> <text>for processing clay-containing substances in non-fluid condition</text> <entryReference>clay slurries <sref ref="B28C0001020000"/></entryReference> </titlePart> <titlePart> <text>Storing and conditioning in storage</text> </titlePart> <titlePart> <text>Specially adapted storage spaces or devices for their filling or emptying</text> <entryReference>feeding clay to shaping apparatus <sref ref="B28B0013000000"/></entryReference> </titlePart> <titlePart> <text>specially adapted for homogenising, comminuting or conditioning clay in non-fluid condition or for separating undesired admixtures therefrom</text> <entryReference>processes involving conversion to a slurry <sref ref="B28C0001020000"/></entryReference> <entryReference>conditioning in storage <sref ref="B28C0001120000"/></entryReference> <entryReference>comminuting in general <sref ref="B02C"/></entryReference> <entryReference>chemical features in eliminating iron or lime <sref ref="C04B"/></entryReference> </titlePart> <titlePart> <text>for homogenising, e.g. by mixing, kneading</text> </titlePart> <titlePart> <text>for comminuting</text> </titlePart> <titlePart> <text>for separating undesired admixed bodies</text> </titlePart> <titlePart> <text>combined with means for conditioning by heating, humidifying, or vacuum treatment</text> </titlePart> <titlePart> <text>Mixing clay or cement with other material</text> </titlePart> In groups , the following term is used with the meaning indicated: "mixing" includes preliminary mixing, e.g. of some of the ingredients, final mixing, and agitating the mixture to prevent segregation thereof. <titlePart> <text>Apparatus or methods for mixing clay with other substances</text> <entryReference>producing clay suspensions <sref ref="B28C0001020000"/></entryReference> <entryReference>general arrangement or layout of plant <sref ref="B28C0009000000"/></entryReference> </titlePart> <titlePart> <text>Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions</text> <entryReference>controlling the mixing apparatus and supplying the ingredients <sref ref="B28C0007000000"/></entryReference> <entryReference>general arrangement or layout of plant <sref ref="B28C0009000000"/></entryReference> </titlePart> <titlePart> <text>without using driven mechanical means effecting the mixing</text> <entryReference><sref ref="B28C0005480000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Gravitational mixing</text> </titlePart> <titlePart> <text>Mixing by intermingling streams of ingredients</text> <entryReference>ingredients projected by fluid pressure <sref ref="B28C0005060000"/></entryReference> </titlePart> <titlePart> <text>the mixing being effected by the action of a fluid</text> <entryReference>in combination with driven mechanical means <sref ref="B28C0005380000"/></entryReference> </titlePart> <titlePart> <text>using driven mechanical means affecting the mixing</text> <entryReference><sref ref="B28C0005400000"/>, <sref ref="B28C0005420000"/>, <sref ref="B28C0005480000"/> take precedence</entryReference> <entryReference>in combination with the action of a fluid <sref ref="B28C0005380000"/></entryReference> </titlePart> <titlePart> <text>Mixing in containers not actuated to effect the mixing</text> </titlePart> <titlePart> <text>with stirrers sweeping through the materials</text> </titlePart> <titlePart> <text>the stirrers having motion about a horizontal or substantially horizontal axis</text> </titlePart> <titlePart> <text>the stirrers having motion about a vertical or steeply inclined axis</text> </titlePart> <titlePart> <text>Mixing in containers to which motion is imparted to effect the mixing</text> </titlePart> <titlePart> <text>rotating about a horizontal or substantially horizontal axis during mixing, e.g. without independent stirrers</text> </titlePart> <titlePart> <text>with stirrers held stationary</text> </titlePart> <titlePart> <text>with driven stirrers</text> </titlePart> <titlePart> <text>rotating about a vertical or steeply inclined axis during the mixing</text> </titlePart> <titlePart> <text>without independent stirrers</text> </titlePart> <titlePart> <text>with stirrers held stationary</text> </titlePart> <titlePart> <text>with driven stirrers</text> </titlePart> <titlePart> <text>Mixing on or by conveyers</text> </titlePart> <titlePart> <text>Endless-belt mixers</text> </titlePart> <titlePart> <text>wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means</text> </titlePart> <titlePart> <text>Mixing specially adapted for preparing mixtures containing fibres</text> </titlePart> <titlePart> <text>Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport</text> <entryReference>vehicle aspect <sref ref="B60P0003160000"/></entryReference> </titlePart> <titlePart> <text>Apparatus specially adapted for drive by muscle power</text> </titlePart> <titlePart> <text>Arrangements for applying super- or sub-atmospheric pressure during mixing</text> </titlePart> <titlePart> <text>Arrangements for cooling or heating during mixing</text> </titlePart> <titlePart> <text>wherein the mixing is effected by vibrations</text> <entryReference>mixers with vibrating mechanisms in general <sref ref="B01F0011000000"/></entryReference> </titlePart> <titlePart> <text>Controlling the operation of apparatus for producing mixtures of clay or cement with other substances</text> </titlePart> <titlePart> <text>Supplying or proportioning the ingredients for mixing clay or cement with other substances</text> </titlePart> <titlePart> <text>Discharging the mixture</text> </titlePart> <titlePart> <text>Controlling the operation of the mixing</text> </titlePart> <titlePart> <text>Supplying or proportioning the ingredients</text> </titlePart> <titlePart> <text>Supplying the solid ingredients, e.g. by means of endless conveyers or jigging conveyers</text> </titlePart> <titlePart> <text>by means of scrapers or skips</text> </titlePart> <titlePart> <text>by means of rotary members</text> </titlePart> <titlePart> <text>Supplying or proportioning liquid ingredients</text> </titlePart> <titlePart> <text>Supply means incorporated in or mounted on mixers</text> </titlePart> <titlePart> <text>Discharge means</text> </titlePart> <titlePart> <text>General arrangement or layout of plant</text> </titlePart> <titlePart> <text>for producing mixtures of clay or cement with other materials</text> </titlePart> <titlePart> <text>the plant being mobile</text> <entryReference><sref ref="B28C0005420000"/> takes precedence</entryReference> </titlePart>