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3645391 ARTICLE-CLASSIFYING APPARATUS  
In an article-classifying apparatus of the type wherein labels formed with classifying patterns are applied onto articles to be classified, the patterns are read and the articles are classified in...
3635336 DRY CANE CLEANING AND SPREADING  
Apparatus for spreading harvested sugar cane pieces and for dry separating the extraneous matter from the cane, comprising means for spreading the cane to effect frictionally a slight dissociation...
3635337 METHOD FOR TREATING FLOATED SOLIDS  
To prevent the flotation of a mineral containing an anionic collector reagent, the coated mineral is formed into a thick alkaline pulp containing another mineral having a greater affinity for the...
3625356 APPARATUS FOR CONTINUOUSLY SORTING LONG, SLENDER ARTICLES BY LENGTH  
Apparatus for rapidly and continuously sorting relatively long, slender articles, such as silverware, into a plurality of categories which are differentiated by the length of the articles in each...
3625354 PROCESS FOR MAGNETICALLY SEPARATING REDUCED IRON-CONTAINING MATERIALS DISCHARGED FROM A ROTARY KILN  
Iron-containing materials reduced in a rotary kiln are separated magnetically into a high iron-containing fraction and a low-ash reducing agent fraction in two stages, one above and one below 1,000...
3623603 MAGNETIC IDENTIFICATION AND SEPARATION OF SMALL PARTS  
In the manufacture of a number of small parts, selected areas of the surface of a sheet are inspected and defective areas are magnetically identified with a specially formulated, relatively...
3620368 CLASSIFICATION OF DRY POLYMER BEADS  
A method for classifying dry polymer beads according to size comprises feeding the beads to a screening zone which is equipped with at least one screen having its surface composed of a material...
3620369 SUGAR CANE DRY-CLEANING PLANT  
A plant for receiving cane stalks, segmentizing the stalks and cleaning the stalks by a dry process with the trash being positively extracted from the cane and disposed of. The plant includes a...
3612250 RECIRCULATION LIMIT SYSTEM FOR CONVEYORS  
A recirculation limit system particularly adapted for utilization in conjunction with recirculating conveyors which, conventionally, recirculate articles carrying a specific address code until such...
3612270 CUTTER PILER WITH ELECTROSTATIC LAYBOY  
A paper-handling machine with slitters and a rotary knife cutter for cutting traveling webs of papers has opposing conveyor belts to move sheets of paper downstream from the cutter to a collection...
3599879 GRINDING TREATMENT OF CLAY  
A forth flotation process for the removal of mineral impurities from a crude clay wherein the flotation reagents are removed from the purified clay particles by agitation of a slurry of the clay...
3596842 MACHINE FOR SEPARATING A GRANULAR SUBSTANCE FROM A CONTAINER OF PAPER OR THE LIKE  
A machine for receiving closed packages of paper or other tearable material containing a granular substance, tearing the walls of the package to a substantial degree by the use of toothed means,...
3586168 ELECTRONIC CAN REJECT SYSTEM  
An electronic circuit for receiving the output of one or more detector units which may pick up the infrared emission from a welded seam as it passes by the detector unit or units. The circuit sorts...
3586164 HARDNESS DETECTOR AND ARTICLE SELECTING DEVICE  
A device for detecting hardness in malleable castings and the like, selecting the castings below a predetermined hardness for machine and rejecting those above such predetermined hardness....
3582004 METHOD OF RECOVERING METALS FROM CABLES AND THE LIKE  
A method for recovering metals from discarded cables and the like wherein the discarded cables are comminuted in a hammer mill and, after removing light components by suction and of iron components...
3577999 IMPACT APPARATUS AND METHOD  
Apparatus for reclaiming tobacco from cigarette filters and wrappers includes a vertical casing with a top inlet and a bottom outlet. Vertically spaced and radially extending rods are secured to...
3565248 APPARATUS FOR PHOTOELECTRIC INSPECTION OF BALLS  
Apparatus for photoelectric inspection of balls in which the balls are fed from a hopper to holes in a rotatable cylinder. The rotatable cylinder is indexed to carry the balls past scanning...
3563376 PROCESS AND APPARATUS FOR SORTING ELONGATED ARTICLES SUCH AS BOBBIN TUBES OF TEXTILE MACHINES  
Elongated articles such as bobbin tubes are sorted automatically by providing each tube with two bands having different spacings for different article characteristics, e.g. color. The band spacings...
3559804 FIBER CLEANER  
A fiber cleaning machine adapted to be placed in a pneumatic fiber carrying conduit leading to equipment for processing cotton or other fibers. Except for inlet and outlet openings in opposite ends...
3554371 SEPARATION OF MATERIALS HAVING DIFFERENT SPECIFIC GRAVITIES  
Liquid separation apparatus having a tank with liquid inlet means connected to the tank directing liquid against a first partition member located within the tank between the inlet means and the...
3547265 SCANNING MECHANISM  
3547260 PROCESS FOR BENEFICIATING DIATOMACEOUS EARTH ORES AND PRODUCT  
3545609 METHOD AND APPARATUS FOR PROCESSING DISCRETE COMMODITIES  
3544282 SIMPLIFIED PRETREATMENT FOR COARSE FLOTATION  
3540824 EGG CANDLING APPARATUS AND METHOD FOR DETERMINING THE FERTILITY OF EGGS  
3539000 CLASSIFICATION BY FLOTATION  
3539002 PROCESS FOR SEPARATING MOLYBDENITE FROM COPPER SULFIDE CONCENTRATES  
3528784 METHOD FOR PRELIMINARY BENEFICIATION OF CALCAREOUS OXIDIZED COPPER ORES BY FLOTATION OF A HIGH ACID-CONSUMING FRACTION CONTAINING LOW COPPER VALUES FROM A LOW ACID-CONSUMING FRACTION CONTAINING HIGHER COPPER VALUES  
3526318 MOBILE SYSTEM FOR SEPARATING SOLIDS  
3525431 CONTROL APPARATUS  
3525608 METHOD FOR INCREASING THE CHROMIUM CONTENT OF FERROCHROME WITH LOW CHROMIUM CONTENT  
3520404 METHOD AND APPARATUS FOR INDICATING A CHANGE WITHIN A GROUPING  
3513971 CONTINUOUS METHOD FOR DEGASIFYING AND CLEANING AQUEOUS SUSPENSIONS OF FIBROUS MATERIALS  
3512956 COPPER ORE PROCESS CONTROL  
3512943 SULFUR EXTRACTION APPARATUS INCLUDING RESIDUE TREATING FLOTATION MEANS  
3507389 METHODS AND APPARATUS FOR THE MAGNETIC SEPARATION OF FINE PARTS  
3493108 CONCENTRATION OF ASBESTOS ORE  
3487923 APPARATUS FOR SEPARATING AQUEOUS SUSPENSIONS OF SOLID PARTICLES  
3485356 METHOD FOR THE TREATMENT OF ORES CONTAINING SLIME-FORMING IMPURITIES  
3478876 MAGNETIC PARTS SORTER  
3472375 APPARATUS AND METHOD FOR SEPARATING ORE  
3473111 THIN METAL MARKING AND METHOD FOR DETECTING THE SAME  
3463311 CRUSHER SEPARATOR APPARATUS AND METHOD  
3459299 TALC BENEFICIATION  
3456708 DRYING OF POWDER  
3454159 PHOSPHATE FLOTATION  
3452862 SEPARATION OF PECAN MEATS AND SHELLS  
3447962 METHOD OF AGGLOMERATING  
3447678 METHOD FOR SEPARATING EXPANDED PERLITE WITH MINIMUM PARTICLE BREAKAGE  
3446351 METHOD AND APPARATUS FOR SORTING CODED SEED BAGS