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Search for patents | USPTO

Patents may be searched in the USPTO Patent Full-Text and Image Database (PatFT). The USPTO houses full text for patents issued from 1976 to the present and PDF images for all patents from 1790 to the present. Searching Full Text Patents (Since 1976) Customize a search on all or a selected group of elements (fields) of a patent. Quick Search

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Thompson Grinder Co. - Assigned Patents | VintageMachinery

Grinding machines and method of shaping grinding wheels: John Clifford Wilson : Springfield, OH: This patent provides a profile roll that is used to shape and dress the grinding wheel by crushing the two wheels together while slowly rotating in synchrony.

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AU2003260702A1 - Method and apparatus for grinding ...

AU2003260702A1 - Method and apparatus for grinding - Google Patents Method and apparatus for grinding ... Coolant nozzle correct setting monitoring method for grinding machine, involves comparing power consumption value obtained from two measurements to asses or displace setting of coolant nozzle AT504556B1 ...

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Cement grinding media sorter and operating method thereof ...

Cement grinding media sorter and operating method thereof. (22) 23.09.2016. (43) 01.08.2018. (57) Summary of the corresponding patent WO2017051377 (A1): A cement grinding media sorter and its operating method, wherein the grinding media are alloy steel balls. The operating method comprises loading the grinding media; separating the scrap and ...

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Method for grinding glass - Patent WO-0064630-A1 - PubChem

A method of grinding a surface of a glass workpiece is reported which includes (a) contacting a grinding layer of an abrasive article (10) with the surface of the glass workpiece, the grinding layer comprising a plurality of abrasive composites (11), the composites (11) comprising an organic resin, a metal salt selected from alkali metal salts, alkaline metal salts and …

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MATERIAL GRINDING METHOD AND GRINDER - Patent - …

FIELD: grinding equipment. ^ SUBSTANCE: method involves charging material into hopper providing longitudinal feeding of material toward drive hammer-type rotor rotavating material using rotor upon actuation thereof for reversing transverse movement relative to material feeding direction discharging ground material.

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US Patent Application for METHOD OF GRINDING AND TURNING …

A method of grinding or turning a workpiece, such as a bearing workpiece, involves several steps. One step includes locating the bearing workpiece on a chuck with an axis of rotation of the chuck positioned off-center relative to an axis of the bearing workpiece. Another step includes determining an offset between the chuck's axis of rotation and the bearing workpiece's axis …

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US Patent for Method and grinding cup for grinding buttons ...

The present invention relates to a method for supplying cooling medium to a grinding cup for grinding buttons of a rock drilling bit. The invention also relates to a grinding cup to carry out the method. A shank of the grinding cup is rotatably mounted in a grinding machine. In prior art grinding cups, the cooling medium is supplied via an axial bore …

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DEVICE AND METHOD FOR GRINDING BEAN - Patent - Europe …

A bean grinding device and a bean grinding method capable of continuously supplying ground material (GO) with a uniform mixing ratio off water to beans formed by sufficiently mixing material beans with water, water-sealing the mixture, and grinding the mixture by a grinding machine.The device comprises a material charging tank storing the material …

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US5862999A - Method of grinding ... - Google Patents

A method of preparing submicron particles of a therapeutic or diagnostic agent which comprises grinding the agent in the presence of grinding media having a mean particle size of less than about 75 microns. In a preferred embodiment, the grinding media is a polymeric resin. The method provides extremely fine particles, e.g., less than 100 nanometers in size, free of …

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Method Grinding Patents- SOF Mining machine

Method Grinding Patents. De patent 199 15 224 discloses one method for grinding the outer surface of a variable crown roll provided with a composite shell the grinding process is performed using a cylindrical grindstone which is pressed with a given grinding pressure against the

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US Patent for Method of grinding cement Patent (Patent ...

A method of continued grinding of cement is disclosed in order to obtain cement with a high specific surface and/or a steep grain size distribution curve. The grinding is performed in a mill with agitated grinding medium from a specific surface of 300-400 m.sup.2 /kg (Blaine) to a specific surface of up to 1,200 m.sup.2 /kg (Blaine) and with a particle size distribution such …

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Continuous vacuum grinding method and apparatus - Marlen ...

Continuous vacuum grinding method and apparatus . United States Patent 4700899 ... The '614 patent does not, however, suggest or intimate use of a deaerating piston pump in conjunction with a grinding device in order to achieve true continuous vacuum grinding.

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METHOD OF GRINDING DRILLS - RADIAL LIP MACHINE INC.

Now that the invention has been described, what is claimed as new and desired to be secured by Letters Patent is 1. A method of grinding a cutting lip on a drill comprising the steps of (a) supporting said drill in a horizontal plane which passes through a reference line, (b) advancing said drill in said horizontal plane to engage the cutting end thereof with a flat grinding surface, …

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The grinding method kimberlite ore

The grinding method kimberlite ore. B02C19/12 -. (57) Abstract: The invention is intended for grinding of kimberlite ore mineral processing. In the grinding method of kimberlite ore, including the filling of the working channel of the ore with the simultaneous effect of compressive and tensile load, when filling kimberlite ore tapering to the ...

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Method and apparatus for grinding with electrolytic ...

Japanese Laid-open Patent Publication No. 188266/1989 (Japanese Patent Application No. 12305/1988) filed by the same applicant as that of the present application discloses a method and an apparatus for electrolytically dressing a conductive grinding wheel. ... In the ELID grinding method, ...

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METHOD OF GRINDING PHARMACEUTICAL SUBSTANCES - Patent ...

A method of preparing submicron particles of a therapeutic or diagnostic agent which comprises grinding the agent in the presence of grinding media having a mean particle size of less than about 75 microns. In a preferred embodiment, the grinding media is a …

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CONTINUOUS METHOD OF GRINDING PHARMACEUTICAL ... - …

The method enables the use of fine grinding media, e.g., of a particle size of less than about 300 'mu'm, in a continuous grinding process which provides extremely fine particles of the agent, e.g., particles less than 100 nm in size, while avoiding problems, e.g., separator screen plugging, associated with prior art processes requiring the separation of agent from the grinding media …

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GCP Applied Technologies receives European patent on ... - ZKG

The patent addresses methods for increasing the efficiency of cement and mineral grinding by using sustainable raw materials. The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone, using glycerol derived from biofuel production, in combination with various grinding additives.

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Method of crushing and grinding - Partek Concrete Ltd.

The method according to claim 2 characterized in that the environment V1 or its component is so selected that the molecules thereof are bound to the material A and the material B with physical forces greater as compared with binding taking place when crushing and grinding material A in an air environment,

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US Patent Application for METHOD OF GRINDING AND …

A method of grinding or turning a workpiece, such as a bearing workpiece, involves several steps. One step includes locating the bearing workpiece on a chuck with an axis of rotation of the chuck positioned off-center relative to an axis of the bearing workpiece. Another step includes determining an offset between the chuck's axis of rotation and the bearing workpiece's axis …