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4141450 Method and apparatus for sorting mixtures of materials by ballistic effect and differential adherence  
The sorting method includes moving materials at a certain horizontal speed such that on falling their points of impact are disbursed over a moving sorting belt in such a manner that the materials...
4140281 Separation of dirt and bark from wood chips  
In a timbering operation wherein the felled trees are fed into a chipper for conversion to chips at the timbering site the chips are fed into a trailer-mounted rotary cylindrical screen which...
4140627 Mailing sorter having parallel delivery conveyors and parallel sorting conveyors with chain-speed mail separation  
Mail is sorted by scanning zip code data, delivering the scanned mail from a delivery conveyor to a sorting conveyor and altering the speed of the sorting conveyor when there is a change in the zip...
4140542 Method and device for recovering materials from a composite body  
A method and a device for recovering the various materials of a composite body having a restricted circumference as compared with its length, for example, cables; the object of the invention is to...
4128474 Process for cleaning and dewatering fine coal  
A wet mechanical process is described for cleaning, upgrading and dewatering fine coal. The process provides for forming an aqueous feed slurry of fine coal and its associated contaminant particles...
4127476 Air-classification apparatus and process for the segregation of mixed office-paper waste  
A process and system for the segregation and separation of mixed office-paper-waste material which comprises: shredding the waste material to a uniform size; forming a fluidized bed of the shredded...
4124497 Apparatus for separating mineral and the like from earth and the like  
An apparatus for separating minerals and the like from earth and the like which includes a tank including a tank having an upper portion and a lower portion having a frusto-conical formation. The...
4115256 Apparatus and method for particle separation and grading  
Apparatus and method for separating fly ash into its major constituents; namely, metal, carbon black, cenospheres and dust. The metal is separated by passing the fly ash through a magnetic field at...
4113832 Process for the utilization of waste materials from electrolytic aluminum reduction systems  
A fully integrated process is provided for the recovery of valuable components from waste materials generated in electrolytic aluminum reduction systems. The waste materials, such as spent pot...
4100059 Asphalt recycle system  
Steam is injected into water to regenerate asphalt waste which is heated in the water to a predetermined temperature. Such heated asphalt waste is mechanically subdivided in the water into...
4097372 Method for improving clay brightness utilizing magnetic separation  
A method for brightening a kaolin clay wherein an aqueous dispersion is initially formed of said clay, which dispersion is blunged and conditioned and the resulting slurry thereupon subjected to a...
4096057 Apparatus and method for recovery of bituminous products from tar sands  
An apparatus and method for (1) reducing agglomerated masses of tar sand and (2) recovering as a bituminous product the bituminous matrix material therefrom. The apparatus includes a vessel which...
4094410 Methods of and apparatus for conveying, testing and sorting articles and straightening their leads  
In making electronic components, it is usually necessary to test and sort the components in accordance with their characteristics. In carrying out such operations, the components are guided along a...
4092241 Electrostatic separation of plastic film from shredded waste  
Electrostatic separation of shredded plastic from processed shredded waste paper is effected in a shredded waste separation chamber having a vertically oriented passageway through which shredded...
4090611 Method and apparatus for sorting documents  
Method and apparatus for separating bundles of envelopes containing information-bearing documents according to preselected sorting scheme. Documents are marked with iron particle deposits, in coded...
4086083 Recovering material  
This invention is a method of recovering an expensive bearing lining alloy from a multilayer bearing material comprising the alloy bonded to a steel backing, possibly through a pure aluminium foil....
4081356 Fecalator, an apparatus and method for concentration of parasite eggs and larvae  
A device and method for the concentration of parasite eggs and larvae consisting of separable upper and lower chambers connected by a mid-piece which incorporates a filter of stainless steel gauze....
4077847 Solid waste disposal system  
There is provided a system for segregating through comminution and classification solid waste into ferrous metal, inorganic, and organic fractions. The inorganic fraction is further classified into...
4074865 Method of recovering platinum group metal values from a used washcoated catalyst  
This invention relates to the recovery of metallic values from materials such as catalysts containing or supporting the values. The method comprises removing a layer or layers and a catalyst...
4073661 Process for cleaning comminuted plastic material  
A continuous process for cleaning and preparing grossly soiled products of plastic material, such as sheets, bands, sacks or the like for subsequent re-use, in which the plastic material is...
4070273 Glass recovery  
A process is disclosed for recovering purified glass from solid waste which includes a predominantly organic fraction and a predominantly inorganic fraction both of which contain glass particles....
4067502 Flotation separation of glass from a mixture of comminuted inorganic materials  
Particulate glass values contained in a comminuted inorganic fraction and having the particle of a size up to about 10 mesh are recovered by froth flotation using an amine as the beneficiation...
4065343 Label system for package and baggage handling  
A method of handling and identifying luggage, packages, or the like comprising the steps of (1) printing characters conveying information concerning each piece of luggage on one side of a strap...
4063644 Process for nondestructive inspection  
A process for the nondestructive inspection of chromium-plated or coated metal parts. The process uses an uncomplicated electrolytic technique to etch selectively the surface of the part to thereby...
4058219 Method and apparatus for automatically testing reeled axial-lead electrical devices under environmental conditions  
Reeled axial-lead devices such as diodes, resistors, capacitors, inductors, transistors and SCRs are carried in linear array by two coextensive tapes wound about a reel. The reel-to-reel apparatus...
4046323 Process for controlled slow cooling of non-ferrous smelting slags  
A process for controlled slow cooling of non-ferrous smelting slags, such as copper slags, for the recovery of the non-ferrous metals contained therein by subsequent crushing, milling and flotation...
4036365 Linen sorter with a conveyor mounting individual linen pickers  
A method, system, and attachment for conveying sorting articles, such as laundry or the like whereby each article is grasped by one of a plurality of separated pickers mounted on a conveyor and...
4036440 Method and apparatus for the treatment of waste wood, such as stumps and snag, to make it suitable for the production of paper pulp  
Waste wood, such as stumps and snag, is treated to make it suitable for the production of paper pulp, whereby the raw waste wood is initially crushed so that part of the bark, sand and stones...
4031003 Field to gin cotton handling and storge systems  
An overall system of transporting and handling seed cotton comprising apparatus for and process steps of (a) compressing seed cotton after gathering thereof, (b) storage, (c) transport and (c)...
4025419 Vibratory sand reclaiming apparatus  
A foundry sand reclaiming apparatus is provided in which lumps of used foundry sand are introduced into a vibrating chamber. The lumps abrade each other to produce discrete particles of reusable...
4024956 Method and apparatus for detecting leaks  
A method and apparatus particularly adapted for use in continuously testing for leaks in a plurality of generally fluid-tight and flexible packages which are conveyed along a predetermined path....
4022231 Chip washer  
A chip washer which has its cylindrical upper part an upwards directed outlet pipe and an outlet channel for washed chips and in which the foreign materials separated from the chips sink into the...
4011155 Wrapped package inspection and rejection apparatus  
A package labeling and inspecting apparatus is disclosed which includes a first conveyor table having an apparatus mounted adjacent to the conveyor for applying labels to wrapped packages as they...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...