WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B07B　SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL (combinations of dry separating apparatus with wet separating apparatus B03B; hand sorting, postal sorting, sorting by switching or other devices actuated in responce to detection or measurement of some feature of articles or samples of material B07C)

B07B 1/00 Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like {(ash-sifters for domestic stoves or ranges F24B 15/007)}

B07B 1/005 ・{Transportable screening plants}

B07B 1/02 ・Hand screens

B07B 1/04 ・Stationary flat screens

B07B 1/06 ・Cone or disc shaped screens

B07B 1/08 ・Screens rotating within their own plate

B07B 1/10 ・Screens in the form of endless moving bands

B07B 1/12 ・Apparatus having only parallel elements

B07B 1/14 ・・Roller screens

B07B 1/145 ・・・{the material to be screened moving along the axis of the parallel elements}

B07B 1/15 ・・・using corrugated, grooved or ribbed rollers

B07B 1/155 ・・・・{the rollers having a star shaped cross section}

B07B 1/16 ・・the elements being movable and in other than roller form

B07B 1/18 ・Drum screens

B07B 1/185 ・・{provided with exchangeable sieve panels}

B07B 1/20 ・・Stationary drums with moving interior agitators

B07B 1/22 ・・Revolving drums

B07B 1/24 ・・・with fixed or moving interior agitators

B07B 1/26 ・・・with additional axial or radial movement of the drum

B07B 1/28 ・Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens

B07B 1/282 ・・{their jigging movement being a closed or open curvilinear path in a plane perpendicular to the plane of the screen and parrallel or transverse to the direction of conveyance}

B07B 1/284 ・・{with unbalanced weights}

B07B 1/286 ・・{with excentric shafts}

B07B 1/288 ・・{Tumbling screens}

B07B 1/30 ・・jigging or moving to-and-fro {within their own plane} in or approximately in {or transverse to} the direction of conveyance

B07B 1/34 ・・jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen

B07B 1/343 ・・・{with mechanical drive elements other than electromagnets}

B07B 1/346 ・・・{with electromagnets}

B07B 1/36 ・・jigging or moving to-and-fro in more than one direction

B07B 1/38 ・・oscillating in a circular arc in their own plane; plansifters

B07B 1/40 ・・Resonant vibration screens

B07B 1/42 ・Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens

B07B 1/44 ・・Balancing devices

B07B 1/46 ・Constructional details of screens in general; Cleaning or heating of screens

B07B 1/4609 ・・{constructional details of screening surfaces or meshes}

B07B 1/4618 ・・・{Manufacturing of screening surfaces}

B07B 1/4627 ・・・{Repairing of screening surfaces}

B07B 1/4636 ・・・{Regulation of screen apertures}

B07B 1/4645 ・・・{Screening surfaces built up of modular elements}

B07B 1/4654 ・・・{Corrugated Screening surfaces}

B07B 1/4663 ・・・{Multi-layer screening surfaces}

B07B 1/4672 ・・・{Woven mesches}

B07B 1/4681 ・・・{Meshes of intersecting, non-woven, elements}

B07B 1/469 ・・・{Perforated sheet-like material}

B07B 1/48 ・・Stretching devices for screens

B07B 1/485 ・・・{Devices for alternately stretching and sagging screening surfaces}

B07B 1/49 ・・・stretching more than one screen of screen section by the same or different stretching means

B07B 1/50 ・・Cleaning

B07B 1/52 ・・・with brushes or scrapers

B07B 1/522 ・・・・{with brushes}

B07B 1/524 ・・・・・{the brushes being rotating}

B07B 1/526 ・・・・{with scrapers}

B07B 1/528 ・・・・・{the scrapers being rotating}

B07B 1/54 ・・・with beating devices

B07B 1/55 ・・・with fluid jets

B07B 1/56 ・・Heated screens

B07B 1/58 ・・・heated by heated fluid

B07B 1/60 ・・・heated by flame heating

B07B 1/62 ・・・heated by direct electric heating

B07B 4/00 Separating solids from solids by subjecting their mixture to gas currents (using tables or jigs B03B 4/00)

B07B 4/02 ・while the mixtures fall

B07B 4/025 ・・{the material being slingered or fled out horizontally before falling, e.g. by dispersing elements}

B07B 4/04 ・・in cascades

B07B 4/06 ・・using revolving drums

B07B 4/08 ・while the mixtures are supported by sieves, screens, or like mechanical elements

B07B 7/00 Selective separation of solid materials carried by, or dispersed in, gas currents (sieves of filters for separating dispersed particles from gases or vapours B01D)

B07B 7/01 ・using gravity

B07B 7/02 ・by reversal of direction of flow

B07B 7/04 ・by impingement against baffle separators

B07B 7/06 ・by impingement against sieves

B07B 7/08 ・using centrifugal force (centrifuges B04B; cyclones B04C)

B07B 7/083 ・・generated by rotating vanes, discs, drums, or brushes

B07B 7/086 ・・generated by the winding course of the gas stream

B07B 7/0865 ・・・{using the coanda effect of the moving gas stream}

B07B 7/10 ・・having air recirculating within the apparatus

B07B 7/12 ・with pulsating air currents

B07B 9/00 Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets

B07B 9/02 ・Combinations of similar or different apparatus for separating solids from solids using gas currents

B07B 11/00 Arrangement of accessories in apparatus for separating solids from solids using gas currents

B07B 11/02 ・Arrangement of air or material conditioning accessories

B07B 11/04 ・Control arrangements

B07B 11/06 ・Feeding or discharging arrangements

B07B 11/08 ・Cleaning arrangements

B07B 13/00 Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices (grading eggs A01K 43/04)

B07B 13/003 ・{Separation of articles by differences in their geometrical form or by difference in their physical properties, e.g. elasticity, compressibility, hardness}

B07B 13/006 ・{Sorting molded pieces and runners}

B07B 13/02 ・Apparatus for grading using pockets for taking out particles from aggregates

B07B 13/04 ・according to size

B07B 13/05 ・・using material mover cooperating with retainer, deflector or discharger (B07B 13/065 to B07B 13/075 take precedence)

B07B 13/065 ・・Apparatus for grading or sorting using divergent conveyer belts or cables

B07B 13/07 ・・Apparatus in which aggregates or articles are moved along or past openings which increase in size in the direction of movement

B07B 13/072 ・・・{the openings being rollers with a divergent axis and the material moving substantially along the rollers axis}

B07B 13/075 ・・Apparatus comprising moving article - receiving openings, the size of which varies as they move

B07B 13/08 ・according to weight (B07B 13/10 takes precedence)

B07B 13/10 ・using momentum effects

B07B 13/11 ・・involving travel of particles over surfaces which separate by centrifugal force or by relative friction between particles and such surfaces, e.g. helical sorters

B07B 13/113 ・・・{shaking tables(for wet separatingB03B 5/04; tables with water impulseB03B 5/70; pneumatic tablesB03B 4/02; moving screensB07B 1/28)}

B07B 13/116 ・・・{stratification of dry granular material on a continuously travelling surface, e.g. belt conveyer (vanner for wet separation B03B 5/08)}

B07B 13/14 ・Details or accessories

B07B 13/16 ・・Feed or discharge arrangements

B07B 13/18 ・・Control

B07B 15/00 Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material (using wet methods B03B 7/00; using gas currents B07B 9/00)

B07B 2200/00 Dummy title

B07B 2201/00 Details applicable to machines for screening using sieves or gratings

B07B 2201/02 ・Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces

B07B 2201/04 ・Multiple deck screening devices comprising one or more superimposed screens

B07B 2220/00 Type of materials being separated

B07B 2220/02 ・Plastics

B07B 2220/04 ・Batteries

B07B 2230/00 Specific aspects relating to the whole B07B subclass

B07B 2230/01 ・Wet separation

B07B 2230/04 ・The screen or the screened materials being subjected to ultrasonic vibration