Patents for B07B 4 - Separating solids from solids by subjecting their mixture to gas currents (2,793)
04/1994
04/27/1994CN1085831A Gas current friction type apparatus and method for sorting purpose
04/21/1994DE4235260A1 Separator and process for removing large and fine particles from granulate mix - has grid at material inlet to retain large particles and spreader disk with reverse gas flow through falling granulate to release and remove fine particles
04/21/1994DE4234659A1 Separator for granular material - has cage-type impeller surrounded by ring-shaped separating chamber in which circulating granular material moves radially outwards and is skimmed off into collection pockets on circumference
04/20/1994CN2162308Y Gravity cleaning platform with accelerating seperation structure
04/20/1994CN2162307Y Double-storehouse electric blast winnowing machine for grain
04/13/1994EP0591512A1 Wind tunnel for cleaning and classifying solid particle form material
04/13/1994CN1085135A Pneumatic sealing device for powder separator
04/12/1994US5301881 System for disposing waste
04/07/1994DE4233619A1 Sorting device to separate bulky scrap e.g. mixed plastics - draws air up through centre tube in the material inside funnel fitted with fixed and moving baffles to draw up lighter fractions
04/07/1994DE4233360A1 Grinder with sorter and crusher esp. for electronic scrap - has delivery and distributing section following crusher housing with sorter working directly on ground product
04/07/1994DE4232948A1 Countercurrent classifier for granulate cleaning - has thread catcher esp. for removing entrained floss
04/05/1994US5299744 Granulating, separating and classifying rubber tire materials
04/05/1994US5299694 Apparatus and process for separating a material in fluidized bed form and the detection of clogging
03/1994
03/29/1994US5297741 Process for disintegration and pure-sorted separation of recyclable different plastics of composite structural parts
03/23/1994EP0588543A1 Method of recovering tobacco from stemmery discard
03/15/1994US5294002 Air separator with spiral staves
03/03/1994WO1994004634A1 Coal pulverizer purifier classifier
03/03/1994WO1994004277A1 Machine and method for separating recyclable matter
02/1994
02/24/1994DE4227994A1 Belt conveyor, for sepn. of light packaging, beakers etc. from household waste - is inclined and transversely tilted with air jets directed on waste material against direction of fall to cause migration of light packaging to high side of belt.
02/24/1994DE4227178A1 Centrifugal disc for impact pulveriser - comprises divergent profiled channels for removing husks from all sizes of grain or seed
02/18/1994CA2103612A1 Coal pulverizer purifier classifier
02/17/1994DE4226635A1 Shredded waste sorting - deflects carrier air stream to give a lateral winnowing effect to separate non-floating matter from the heavy material
02/08/1994US5283961 Tramp removal system
02/01/1994CA1326648C Dry separation of solids
01/1994
01/25/1994US5281278 Conveying particles in an air flow then removal with channels
01/20/1994DE4223762A1 Bulk grain classifier with reduced wear - comprising pre-classifier chamber having inlet for grains and outlet for coarse grains
01/13/1994DE4318459A1 Assembly for sepn. of magnetic and non-magnetic materials - used for sepn. and cleaning of heel cans in perforated tipping drum, and has with electromagnet and compressed air
01/13/1994DE4222364A1 Sieve classifying device for natural prods. - and suitable for use as winnower in a combine harvester
01/11/1994US5277370 Vertical impact mill with coupled material classification
01/06/1994WO1994000248A1 Device for separating chaff from feed grain
01/04/1994US5275631 Centrifuging; aerodynamics
12/1993
12/15/1993EP0423208B1 Pneumatic separation of particulate material
12/09/1993DE4218318A1 Cocoa bean and husk winnowing machine - has dust remover on air pressure sensor, maintaining correct air speed and optimum husk removal air pressure
12/01/1993EP0572140A1 Apparatus for removing deposits adhering to surfaces by pulsed air
11/1993
11/25/1993DE4317155A1 Light wt. matter sepn. appts. from mixed material for sepg. film from rubbish - comprises air movement system above conveyor belt and airstream evacuated to side from intermediate zone between upper and lower belt levels for effective sepn.
11/25/1993DE4217485A1 Separation of refuse by vibrating bed - involves adjusting vibration frequency and amplitude in relation to gradient of bed
11/24/1993CN1078667A Automatic cereal screening apparatus for removing particle impurities
11/23/1993US5263589 Method of recovering tobacco from stemmery discard
11/17/1993CN2146314Y Electric grain fanning-sorting machine
11/11/1993WO1993022074A1 Wind tunnel for cleaning and classifying solid particle form material
11/11/1993CA2112231A1 Wind tunnel for cleaning and classifying solid particle form material
11/09/1993US5259510 Apparatus for separating and removing fine particulates from a particle flow
11/02/1993CA1323860C Vertical-drop grain aspirator
10/1993
10/14/1993WO1993019860A1 Sorting machine with bucket-type or pocket-type sieve
10/13/1993EP0565478A1 Rotary dryer
10/13/1993EP0565038A1 Method and device for sorting refuse
10/12/1993US5251763 Conveying apparatus and separation apparatus
10/12/1993CA1322991C Sieve device for sieving out compost from rotten organic material
09/1993
09/30/1993DE4304508A1 Distributor for dispersing powdered material in a gas stream - has coaxial distributor plates with central opening for passing through part of supplied material to plate below
09/30/1993DE4210043A1 Sortiervorrichtung mit Becher- oder Taschensiebwerk Sorter with cup or Taschensiebwerk
09/28/1993US5248045 Method and apparatus for uncasing and sorting bottles
09/22/1993EP0561731A1 Plant, in particular for sorting household waste
08/1993
08/25/1993EP0556935A2 Elutriator
08/24/1993US5238118 Separator with displacement body
08/18/1993EP0555901A1 Air classification of flour
08/04/1993EP0553140A1 Method and device for separating heavy particles from a particulate material
08/03/1993US5232096 Material dispersion apparatus
07/1993
07/29/1993DE4135368A1 Incinerator filter dust - is sieved to give a coarse fraction with low neutral salts and heavy metal cpd. content to reduce vol. for special disposal
07/28/1993CN2139031Y Crops separating machine
07/14/1993CN1074149A Air-guide method for dressing coarse grain flour and its dresser
07/09/1993CA2086773A1 Debagger/sorter machine
06/1993
06/23/1993EP0547644A1 Device for separating the components of garbage
06/16/1993EP0546442A2 Device for separating a mixture of materials with different specific gravity
06/03/1993DE4240389A1 Refuse disposal system with storage site for storing reclaimable waste material. - has pretreatment system with metal separating unit for separating metal from waster materials and low temp pulveriser for reducing size of separated metal
05/1993
05/27/1993DE4239304A1 Compost material cleaning - by using airstream to extract unwanted matter e.g. plastic particles, glass, bio-waste, textiles etc.
05/25/1993US5213820 Process and device for fluidized bed spray granulation
05/13/1993WO1993008918A1 Portable refuse separator
05/12/1993EP0541403A2 Aluminum recovery system
05/11/1993US5209840 Separation of active catalyst particles from spent catalyst particles by air elutriation
05/11/1993US5209355 Method and an apparatus for sorting solids
04/1993
04/29/1993DE4134874A1 Particle grader with external blower - has vertically adjustable baffle ring fixed below thrower disc to control vertical component of spiral air flow
04/27/1993US5205415 Modular classifier
04/07/1993EP0535886A2 Separation of active catalyst particles from spent catalyst particles by air elutriation
04/07/1993CN2129178Y Monomer multilayer cavings-separating machine using weight
04/06/1993US5199448 Method and apparatus for separation of objectionable particles from tobacco material
04/03/1993CA2078458A1 Separation of active catalyst particles from spent catalyst particles by air elutriation
04/01/1993WO1993005882A1 Apparatus/method for uniform fluidized bed sorting
03/1993
03/23/1993US5195640 Method and apparatus for cleaning abrasive blast media
02/1993
02/04/1993WO1993001888A1 Improved crushed fluorescent tube particulate separation and recovery method and apparatus
02/04/1993CA2113545A1 Improved crushed fluorescent tube particulate separation and recovery method and apparatus
01/1993
01/21/1993WO1993000833A1 Modular classifier
01/07/1993DE4121808A1 Sepn. of mixts. contg. HDPE prods. and LDPE prods. - by crushing the mixt., washing and drying as required, and sepg. by air screening to give dry HDPE chips and dry LDPE chips
12/1992
12/15/1992US5171498 Wood bonded by cement; finer particles concentrated on surface, coarser particles form core
12/09/1992EP0516643A1 Vertical impact mill with coupled material screening
11/1992
11/30/1992CA2068935A1 Air separator
11/19/1992EP0514370A2 Method and device for extracting by suction foreign matter from a stream of bulk material
10/1992
10/29/1992WO1992018257A1 Method of supplying air for purifying semolina, and a semolina-purifying machine
10/28/1992CN2119971U Winnowing machine
10/22/1992DE4126065A1 Griessputzmaschine Purifier
10/21/1992CN2119272U Rotary cylinder type grain winnowing machine
10/21/1992CN1065416A Method and apparatus for sifting sand or like bulk material
09/1992
09/29/1992CA1308064C Wood chip classifying system
09/23/1992EP0504747A2 Method and device for sifting sand or similar free-flowing material
09/22/1992US5148921 Pneumatic separation of particulate material
09/17/1992WO1992015716A1 Methods and pneumo-gravitational separation apparatus for extracting mineral values from particulate materials
09/17/1992WO1992015715A1 Methods and apparatus for extracting mineral values from particulate materials
09/16/1992CN2115840U Light windmill with electric fan
08/1992
08/26/1992CN2113835U Grain cleaner with a tabletop
08/05/1992CN1063244A Front-end wind pressure regulator of main wind mill
08/05/1992CN1063243A Suction axial-flow fan impurity direct removing installation
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