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rotary mining patenten

    US5303787A - Rotary mining tools - Google Patents

    A non-coring rotary mining tool having a bit body constructed and arranged for rock boring as in roof bolting operations, and including PCD cutter inserts of preselected size mounted at a negative angle and having substantially continuous cutting edges defining a sinusoidal cutting path from the tool axis to the gauge-cutting margins thereof; and a method of drilling rock

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    US5180022A - Rotary mining tools - Google Patents

    A rotary mining tool having a steel body adapted to be driven axially and turned in a rotational arc relative to its axis and being provided with a hardened wear surface with a cutting edge adapted for cutting engagement with a work area under the axial thrust of said tool body, the wear surface and cutting edge being constructed and arranged with a negative rake angle and a

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    EP0584255B1 - Rotary mining tools - Google Patents

    EP0584255B1 EP19920912885 EP92912885A EP0584255B1 EP 0584255 B1 EP0584255 B1 EP 0584255B1 EP 19920912885 EP19920912885 EP 19920912885 EP 92912885 A EP92912885 A EP 92912885A EP 0584255 B1 EP0584255 B1 EP 0584255B1 Authority EP European Patent Office Prior art keywords tool cutting wear negative angle Prior art date 1991

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    US8939516B2 - Rotary cutter drum for continuous mining ...

    A rotary cutter drum for a continuous mining machine having a cutter drum, a bearing hub, an inner bearing, a sealing assembly and a shaft disposed in an inner portion of the cutter drum, the shaft having at least one flat passageway disposed along a longitudinal axis of the hub for allowing a lubricating fluid to move from an oil reservoir to a bearing surface.

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    Rotary cutter heads for mining machines (Patent) OSTI.GOV

    This patent describes a continuous mining machine having a frame assembly pivotally attached to the machine and a rotary cutting head mounted on a shaft on the forward end of the frame assembly and having cutting bits thereon for cutting loose mining material from the face of a mine and extending beyond each side of the frame assembly.

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    Rotary mining tools - BRADY; WILLIAM J.

    A rotary mining tool having a steel body adapted to be driven axially and turned in a rotational arc relative to its axis and being provided with a hardened wear surface with a cutting edge adapted for cutting engagement with a work area under the axial thrust of said tool body, the wear surface and cutting edge being constructed and arranged with a negative rake angle and a

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    Rotary cutter heads for mining machines (Patent) OSTI.GOV

    @article{osti_6183969, title = {Rotary cutter heads for mining machines}, author = {Eagles, B A and French, A G}, abstractNote = {A rotary cutter head for a mining machine comprises a hub assembly drivably mounted on a drive section of the mining machine and a barrel component secured around and co-axial with the hub assembly, the barrel component supporting cutter

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    Rotary mining tools - BRADY; WILLIAM J.

    A rotary mining tool having a steel body adapted to be driven axially and turned in a rotational arc relative to its axis and being provided with a hardened wear surface with a cutting edge adapted for cutting engagement with a work area under the axial thrust of said tool body, the wear surface and cutting edge being constructed and arranged with a negative rake angle and a

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    Rotary To Reciprocating And Rotary Patents and Patent ...

    Rotary To Reciprocating And Rotary Patents (Class 74/22R) Rotary to reciprocating or rotary (Class 74/22A) Sawing machine and sawing processing method for a plate member. Patent number: 5992485 ... in the mining industry or a silo hopper for discharging grain. Also disclosed is a method for sinking a pipe or the like into the ground and ...

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    ROTARY CUTTER FOR MINING WITH FLUID SUPPLY CHAMBERS

    A rotary cutter head for a mineral mining machine, has a hub for mounting on a driven machine shaft, a drum secured around the hub and cutter tool holders secured around the drum, the head being provided with a plurality of angularly arranged chambers for dust suppression fluid, each extending axially along the inner periphery of the drum and arranged to feed fluid from a

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    Patents Bureau of Land Management

    Patents. A patented mining claim is one for which the Federal Government has passed its title to the claimant, giving him or her exclusive title to the locatable minerals and, in most cases, the surface and all resources.

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    Rotary engine patent pending - Home Facebook

    Rotary engine patent pending. 1,245 likes 2 talking about this. This site details a now expired provisional patent on the Rotary engine.

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    ROTARY SELECTOR VALVE by Dowty Mining Equipment Ltd. –

    PORM I COMMONWEALTH OF AUSTR1LIA PATENTS ACT 1952 APPLICATION FOR A'STANDARD PATENT I/We, DOWTl MINING EQUIPMENT LIMITED of Ashchurch, Tewkesbury,' Gloucester shire, ENGLAND. j.OGD T SUaOFFIC 3 tDEC 1985 b i~ hereby apply for the grant of a standard patent for an invention entitled ROTARY SELECTOR VALVES

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    Mazda RX-9 Rotary Hybrid Drivetrain (Maybe) Revealed in ...

    The patent, uncovered by Japanese Mazda blog T's Media, appears to be an update on an earlier patent filed last year.Both filings detail a front

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    ROTARY MELTING FURNACE - MITSUI MINING SMELTING CO

    As the rotary furnace for recovering metallic zinc from zinc scraps by heating said scraps and melting metallic zinc contained therein, there are known rotary furnaces having a flue inside the wall of batch-type furnace, as disclosed in the Japanese Pat. Publication No. 426/1970 (Patent applicant: Mitsui Kinzoku Kogyo K.K.).

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    DE60002541T2 - Bi-central drilling tool for drilling ...

    DE60002541T2 DE2000602541 DE60002541T DE60002541T2 DE 60002541 T2 DE60002541 T2 DE 60002541T2 DE 2000602541 DE2000602541 DE 2000602541 DE 60002541 T DE60002541 T DE 60002541T DE 60002541 T2 DE60002541 T2 DE 60002541T2 Authority DE Germany Prior art keywords cutting drill bit bicentral bearing blade Prior art date 1999-10-28

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    Cutting force sensor - Coal Industry (Patents) Limited

    Jan 01, 1980  Referring to the drawings, FIGS. 1 and 2 show a cutter unit comprising a mineral cutter tool 1 releasably mounted in a cutter tool holder 2 which in use is welded adjacent the periphery of a rotary cutter head 25 of a longwall face coal mining machine 26 (only parts of the cutter head and of the mining machine being shown in FIG. 1).

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    Intel Awarded a Patent for an Energy Efficient Bitcoin ...

    Feb 06, 2021  Intel Awarded a Patent for a New Bitcoin Mining Process. The Intel corporation, headquartered in Santa Clara, California is well known for being a

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    Robosand making machines - beckers-muehle.de

    Robosand making machinery how to establish a robosand industry robosand making machines what is the exact cost of machinery of robosand robo sand machinery cost manufactures ore Get Price kaolin grinding patenten . India High Efficient Artificial Sand Making Lines Price

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    Rotary car dumper - Wikipedia

    A rotary car dumper or wagon tippler (UK) is a mechanism used for unloading certain railroad cars such as hopper cars, gondolas or lorries (tipplers, UK). It holds the rail car to a section of track and rotates the track and car together to dump out the contents. Used with gondola cars, it is making open hopper cars obsolete. Because hopper cars require sloped chutes in order to

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    Rotary To Reciprocating And Rotary Patents and Patent ...

    Rotary To Reciprocating And Rotary Patents (Class 74/22R) Rotary to reciprocating or rotary (Class 74/22A) Sawing machine and sawing processing method for a plate member. Patent number: 5992485 ... in the mining industry or a silo hopper for discharging grain. Also disclosed is a method for sinking a pipe or the like into the ground and ...

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    Mazda Rotary Engine Patents Point To The Wankel's ...

    Jun 26, 2019  A series of newly discovered patents indicate that Mazda isn't yet ready to abandon its development of the rotary engine. Garage Alpha first discovered two of filings that the Japanese patent ...

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    Rotary cutter drum for continuous mining machine ...

    A rotary cutter drum for a continuous mining machine having a cutter drum, a bearing hub, an inner bearing, a sealing assembly and a shaft disposed in an inner portion of the cutter drum, the shaft having at least one flat passageway disposed along a longitudinal axis of the hub for allowing a lubricating fluid to move from an oil reservoir to a bearing surface.

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    ROTARY SELECTOR VALVE by Dowty Mining Equipment Ltd. –

    PORM I COMMONWEALTH OF AUSTR1LIA PATENTS ACT 1952 APPLICATION FOR A'STANDARD PATENT I/We, DOWTl MINING EQUIPMENT LIMITED of Ashchurch, Tewkesbury,' Gloucester shire, ENGLAND. j.OGD T SUaOFFIC 3 tDEC 1985 b i~ hereby apply for the grant of a standard patent for an invention entitled ROTARY SELECTOR VALVES

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    Mining Patents: Everything You Need to Know

    Mining Patent. Mining patents allow inventors and patent holders to dig deeper into the assets and information associated with granted patents.Patents in the current economy continue to become more valuable and transparent while involving additional people in the approval process and infringement claims.

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    US Patent Application for SYSTEM AND METHOD FOR

    Aug 07, 2019  A system for acquiring vibration-related information associated with operation of a rotary machine may include a case configured to contain therein, and facilitate access to, components of the system. The system may also include a sensor configured to be detachably coupled to the rotary machine and generate a signal indicative of vibrations related to operation of the rotary

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    ROTARY DRILLING EXPLORATION OF THE RYAN LODE

    A rotary drilling exploration system was tested at the Ryan Lode, Fairbanks mining district, Alaska to determine its application as a substitute for surface trenching to minimize environmental damage. The work was planned so that the data collected could be used to eval-uate the open-pit mining potential of the wide shear zone that contains

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    How to Patent a Mining Claim - Rick Lorenz

    How to Patent a Mining Claim. Mining claims, like homesteads, were created by a worker (in this case a prospector looking for gold, silver, lead, zinc, copper, etc.) who would go into the mountains and "stake his claim". At this point, the mining claim is not yet patented. The miner would have to perform a certain amount of work to the property ...

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    Mazda files patent for hybrid rotary engine (Update)

    Apr 21, 2020  But it appears Mazda is reinventing the wheel, so to speak. Patent papers uncovered in Japan show the auto manufacturer is planning a complex overhaul of the engine that could pave the way for a new era of low-weight, high-efficiency vehicles.. Mazda, in fact, has already revealed plans next year for the electric SUV MX-30 that will incorporate a rotary engine

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    ROTARY DRILLING BITS AND DRILL STRING TOOLS

    Mining we can offer your total drilling solution. We now have the broadest offerings in the industry, including premium quality drill pipe, rotary subs and adapters, stabilizers, deck bushings, shock subs, and of course rotary bits. As the world’s premier supplier of roller cone bits, we provide products and expertise to improve drilling

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    Rotary car dumper - Wikipedia

    A rotary car dumper or wagon tippler (UK) is a mechanism used for unloading certain railroad cars such as hopper cars, gondolas or lorries (tipplers, UK). It holds the rail car to a section of track and rotates the track and car together to dump out the contents. Used with gondola cars, it is making open hopper cars obsolete. Because hopper cars require sloped chutes in order to

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    Rotary Drill Bits » Mincon - The Driller's Choice

    The result is a rotary bit line-up that provides superior drilling capabilities in all rock formations and the toughest drilling conditions. Backed up by Mincon’s unparalleled service, customers can enjoy a lower total drilling cost at their mining and quarrying operations.

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    rotary blasthole drill Archives - International Mining

    Sandvik Mining and Rock Technology says it is continuing its tradition of developing innovative technology to help customers enhance safety, improve productivity and reduce cost with the introduction of its Sandvik DR416i rotary blasthole drill.

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    Drilling bits for plastic formations (Patent) OSTI.GOV

    Throughout the 1970s and early 1980s, roller cone mining bits and surplus oilfield bits were used to drill these wells. While the cutting structures of mining bits were well-suited for air drilling, the open roller bearings invariably shortened the useful life of more » the bit, particularly when water was present in the hole.

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