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4004694 |
Extractor assembly for extracting and/or diverting a selected number of signatures from a stream
Signatures arranged in overlapping fashion are typically delivered from a press at high speeds (at the order of 80,000 per hour) to be stacked in bundles of a predetermined precise quantity,...
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4003830 |
Non-ferromagnetic materials separator
A materials separator for segregating nonferromagnetic conductors from commingled nonferromagnetic materials, the separator including guide means for directing nonferromagnetic materials into a...
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4002559 |
Screw conveyor with dewatering means
A screw conveyor for moving water-laden materials from one location to another comprising a feeder screw extending longitudinally within an enclosing duct or housing and a dewatering cylinder...
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3999945 |
Liquid analysis system
An automatic liquid analyzing apparatus for quantitatively measuring the parameter of a liquid is disclosed. The preferred embodiment of the invention comprises means for automatically and...
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4000031 |
Method and apparatus for recovery of plastics and non-plastics from plastic-coated waste material
Process and apparatus for the recovery of both cellulosic fibers and plastic material from plastic-coated papers and boards.This material is wet-pulped in water suspension, and the suspension is...
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3998604 |
Demineralization of brown coal
Demineralization of coal in which a slurry of the coal to be treated is ground in the presence of aqueous acid such as HCl H2 SO4 and H2 CO3 and then the slurry is subjected to froth flotation in...
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3995741 |
Method of sorting mail using a coded postage stamp
Postage stamps selected in accordance with destination, are cancelled on mail by activating radiation which also establishes a destination code that is machine readable. The destination code is...
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3992288 |
Method of separating articles having different specific gravities
Articles having a first specific gravity may be separated from articles having a second specific gravity by placing said articles in an environment having a specific gravity between the specific...
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3992287 |
Oil shale sorting
Sorting of bicarbonate containing ore particles from oil containing ore particles in a mixture of the two types of ore particles by treating the surface of the mixture with an aqueous medium and...
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3992286 |
Mineral ore concentractor
A desirable metal such as gold in a low grade ore has its concentration increased by electro-kinetically separating gangue from other components in the ore to form a concentrate. Separation is...
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3987902 |
Package inspection apparatus
Package conveyor and inspection apparatus moves reams of paper through a sequence of operations including inspection of the outer wrapper, application of a label, inspection of the label location...
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3984001 |
Bubble-dispersing apparatus
A bubble-dispersing apparatus, which comprises a tank for containing a liquid or a mixture of liquid and solid, a vertical rotary shaft installed in said tank and connected with a power source, a...
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3980240 |
Brightening of natural calcitic ores
A method for brightening a natural calcitic ore by removal of discoloring contaminants. The ore is crushed and formed into an aqueous slurry, which slurry is then coarse-milled to produce a product...
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3976197 |
Thermal convection counter streaming sedimentation method and apparatus for controlling the sex of mammalian offspring
A method and apparatus for controlling the sex of mammalian offspring through separation of X-chromosome female producing sperm and Y-chromosome male producing sperm. The separation is accomplished...
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3976563 |
Dry reclamation of wire scrap
A method for recovering plastic from plastic insulated wire scrap involving separating the plastic from short segments of the wire by agitating the segments in a heated dry powder medium until the...
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3973734 |
Froth flotation process
Froth Flotation method of separation of sodium compounds, principally nahcolite, dawsonite, trona, related authigenic sodium ores, and corresponding sodium compounds including sodium carbonate and...
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3973736 |
System for assorting solid waste material and preparation of same for recovery
A device for recovering salvagable components from a mixture of compacted solid waste, especially municipal waste, which includes ferrous metals, non-ferrous metals such as aluminum, fibrous...
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3970546 |
Method and apparatus for separating non-ferrous metal from waste material
Apparatus for separating non-ferrous metal from waste material comprising a grounded rotary conductive drum, means for feeding waste material to the drum, a D.C. corona electrode, an A.C. corona...
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3963606 |
Semi-automatic adjusting delay for an electronic particle separator
A particle separator for separating particles suspended in a fluid according to certain characteristics, including a device for adjusting an electrical delay to be equal to the time between the...
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3962403 |
Process for separation of nahcolite from oil shale
Nahcolite-bearing oil shale ore is heated to produce a distinct color change in the nahcolite, differentiating the nahcolite from the host oil shale for optical sorting, and such sorting is then...
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3961397 |
Clump removal devices
Clump-removal devices are disclosed for separating unacceptably large clumps from an air stream containing both clumps and substantially individualized fibers. The devices include an inlet duct for...
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3961940 |
Post-treatment of ilmenite ore subjected to selective chlorination treatment
Process for post-treating a chlorinated ilmenite ore which has undergone a selective chlorination treatment in the presence of a solid carbonaceous material, which comprises subjecting the...
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3956110 |
Device for checking that the underneath part or base, particularly of packets of cigarettes and similar, has been properly sealed down
A device for checking that the base of packets of cigarettes or the like, has been properly sealed down in production lines of the type comprising at least one wrapping machine, at least one...
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3941684 |
Scrap salvage system
A system for size reduction and separation of plastic-metal assemblies for the purpose of reclaiming the plastic and/or metal for reuse. The system includes a granulator followed by a fiber/dust...
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3939063 |
Loose flap detector and case ejector system for wrap-around paperboard cartons
Method and apparatus for detecting insecurely glued closure flaps on wrap-around paperboard cartons and for diverting defectively sealed cartons from the packaging line. A striking device in the...
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3936372 |
Method for beneficiation of magnesite ore
A method for beneficiation of magnesite ore wherein the ore is subjected to calcination to decrease the bulk density of the magnesite relative to the gangue. Accordingly, after such calcination,...
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3936188 |
Color sorting of irradiated materials and a calibrated color comparison array
Methods of isolating quartz, quartzite, glass or silicate materials having selected aluminum contents are described. The non-destructive method comprises subjecting the materials to ionizing...
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3932272 |
Scan system
The apparatus relates to an electronic verification and control system for obtaining an input count of entered bills and an analysis for various entry conditions for the bills and their state of...
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3930991 |
Meat processing
A meat processing system and method wherein trim pieces of meat having lean meat portions and fat meat portions are divided into smaller regular sized meat chunks of higher lean meat content and...
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3929417 |
Apparatus for the manufacture of powdered lime
An apparatus for the manufacture of powdered lime of uniform activity comprises means for feeding limestone, ground to a grain size of 0 to 2 mm with a residue on a 2 mm sieve up to 40%, to a...
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3926788 |
Flux recovery unit
Disclosed is a welding apparatus having a flux hopper with a flux recovery unit attached over the open top of the hopper. A venturi chamber is formed in the unit and is connected to a source of...
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3926787 |
Method and apparatus for reducing sulphur and ash content of coal
A method and apparatus for reducing sulphur and ash content of a solid material containing coal to a commercially usable product or to a commercially improved product by treating a pre-crushed and...
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3925199 |
Trash removal apparatus for sugar cane harvesters
Trash removal apparatus for a sugar cane harvester in which an axial flow fan located in a duct sucks air through harvested cane and discharges the air vertically. An annular opening is formed in...
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3925198 |
Apparatus and method of air classifying municipal solid wastes
Collected municipal solid waste materials containing the usual assortment of both combustible and non-combustible trash, garbage, and the like are shredded to manageable size for air classification...
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3919079 |
Flotation of sulphide minerals from sulphide bearing ore
A process for the recovery by flotation of sulphide minerals from ores whereby a pulp of the ground ore is conditioned in at least one agitation conditioning stage in the pH range of about 8.0 to...
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3918585 |
Screen device for pneumatic transport equipment
A screen device for fine-grain materials for use in pneumatic transport equipment. The device comprises screen means inside a transfer pipe and means in the portion of said transfer pipe upstream...
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3909397 |
Fiber recovery system and method of recovery
Apparatus for the recovery of absorbent wood pulp fibers in fluff form from scrap and waste products such as production reject disposable diapers and sanitary napkins, includes a combination of...
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3904515 |
High yield refuse separation system
Means are provided for assisting separation of the lightweight material from the heavier weight material of refuse material in a system wherein the refuse material is delivered into the upper...
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3901793 |
Process for the preconcentration of ores by induced measure of the superficial contents
The concentration of a desired material in pieces of ore is determined by coating each piece with a fluorescent material that selectively adheres only to the exposed surfaces of the desired...
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3898745 |
Drying apparatus for concentrating solutions
A dryer comprising a vertical container with spherical contact bodies. The material to be dried is fed into the top of the container by material application means and forms a bed with the contact...
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3897215 |
Converting municipal refuse into compost
Municipal refuse including glass articles, metal cans, paper, plastics and wood, is dumped onto a conveyor and has magnetic materials removed therefrom and the remaining refuse conveyed to a...
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3897330 |
REFUSE SORTING WITH SEPARATION OF GLASS AND METALS
Sorting of refuse into its components wherein the refuse is comminuted into a particulate mass, and a glass concentrate fraction consisting substantially of glass particles and a minor portion of...
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3895220 |
Selectively encodable envelope insert and related apparatus
A magnetically encodable envelope insert includes a plurality of detachable portions connected to each other and to a main central portion along weakened lines, and the detachable portions contain...
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3893659 |
Precipitator for removing copper from solution using iron mini-pellets
Improvements in a process and apparatus whereby iron mini-pellet precipitants are dynamically suspended in copper pregnant solutions by constantly introducing fresh pellets and solution into the...
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3892563 |
Method and apparatus for separating the constituents of lead-acid storage batteries
Whole or shredded lead-acid batteries, together with a quantity of sodium carbonate and water, are fed continuously into a rotating drum separator containing a charge of grinding balls. Agitation...
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3890220 |
Fiber waste reclaim system and method
A method and apparatus for the recovery of wood pulp fibers from scrap products having the wood pulp fibers in fluff form. Such products include disposable diapers, sanitary napkins and the like...
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3880586 |
Apparatus for sterilizing ampoules and reject control system therefor
An apparatus for treating liquid filled ampoules at a temperature high enough to sterilize but not high enough to cause destruction of the ampules and their contents, for example, liquid medicine....
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3878787 |
CRYOGENIC EXPLOSIVE FRAGMENTATION
A process for fragmenting materials, such as ferrous scrap, which become substantially embrittled at cryogenic temperatures comprising the steps of: A. chilling the material to be fragmented to a...
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3870627 |
Mechanical screening device for machine-harvested sugar cane
A mechanical screening device for loosening extraneous material from a mat of dirty machine-harvested sugar cane is made up of a series of heavy toothed rolls of large diameter which are arranged...
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3865315 |
PROCESS FOR SEPARATING FIBROUS MATERIAL
Fibrous material such as mineral wool fiber is separated from mixtures of the fibrous material and adhered shot without substantially destroying the fiber length by passing a water suspension of...
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