grinding stone patent

US6533650B2 - Grinding stone - Google Patents

An offset type grindstone having a circular metal substrate provided in a central section thereof with a recess having a hole used to mount the grindstone on a power tool, and a grindstone portion including one layer of either diamond grains or CBN grains and formed in one body so as to extend continuously in the direction of an outer circumference of a front surface of the recess, in which ...

Antique Grinding Stone | eBay

Patent date Aug 7 1883 on hub. Antique Grinding Stone Wheel w/Hand/Foot & Pulley options. This is in fair condition. Part of an old Goodyear tire has been used as a cover. ... Antique Grinding Stone Wheel Hand/Foot & Pulley Late 1800 Blacksmith Sharpening . The grinding stone is 18" across, and is 5" thick. The pulley wheel is 21" across. The ...

Williams Patent Crusher & Pulverizer Company | Crushing ...

Williams has been a leader in the crushing and pulverizing industry since 1871. With over 500 patents and trademarks to its credit, Williams Patent Crusher & Pulverizer Company continues to engineer new and innovative designs for crushing machines that meet the needs of clients worldwide and provide solutions for them every day.

12pc Ball Sphere Diamond Burr Grinding Bits 0.5 to 6mm ...

This item 12pc Ball Sphere Diamond Burr Grinding Bits 0.5 to 6mm Fits Dremel Dremel 689-01 11-Piece Rotary Tool Carving and Engraving Kit Comfort Grip and 36" Long Cable- 225-01- Engraver, Polisher, and Sander- Ideal for Detail Metal Engraving, Wood Carving, Sanding, and Jewelry Polishing

ROTOCALCO GRINDING STONES - folex.com

This observance of all legal regulations and patents is the responsibility of the user. Stand 08/13 Seite 1 von 2 Version 10.0 Folex Coating • Unnauer Weg 6c • 50767 Köln • Germany • phone +49 221 97 94 79 0 • fax +49 221 97 94 79 9 • [email protected] • ROTOCALCO GRINDING STONES

Cylindrical grinder - Wikipedia

The cylindrical grinder is a type of grinding machine used to shape the outside of an object. The cylindrical grinder can work on a variety of shapes, however the object must have a central axis of rotation. This includes but is not limited to such shapes as a cylinder, an ellipse, a cam, or a crankshaft.

Grinding and Polishing - ASM International

Grinding and Polishing / 37 Fig. 4.1 Automatic grinding and polishing machine Subroutine 4.1: Cleaning Ceramographic Mounts After each abrasive step, rinse each specimen in warm tap water. Do not remove specimens from the holder if an auto-matic polishing machine is being used. Use distilled or deion-ized water if the tap water is too hard.

Grinding stone, manufacturing method of grinding stone ...

Jan 12, 2016· United States Patent 9233454 . Abstract: A manufacturing apparatus, of a grinding stone which is manufactured by attaching abrasive grains respectively having polyhedral shapes in which mutually opposed surfaces are parallel to each other to a base member, is provided with: an abrasive grains classifying apparatus adapted to classify the ...

Ceramic-bonded abrasive grinding tools (Patent) | DOepatents

Patent File Date: 12 Nov 1993 Country of Publication: United States ... Such grinding tools are particularly suitable for grinding and polishing stone, such as marble and granite. Full Text Available January 1994. Method of making sintered ductile intermetallic-bonded ceramic composites.

How grinding wheel is made - material, history, used ...

Throughout the grinding wheel's history, the bond that holds the abrasive grains together has proven as important as the grains themselves. The success of grinding wheels began in the early 1840s, when bonds containing rubber or clay were introduced, and by the 1870s a bond with a vitrified or glass-like structure was patented.

Grindstone - Wikipedia

A grindstone is a round sharpening stone used for grinding or sharpening ferrous tools.Grindstones are usually made from sandstone. Grindstone machines usually have pedals for speeding up and slowing down the stone to control the sharpening process.

Antique Grinding Stone Pedal Wheel W/ Seat Sandstone ...

A grindstone is a round sharpening stone used for grinding and sharpening ferrous tools. They are usually made from sandstone. This grindstone machine has a foot pedals to control the speed of the stone to sharpen metal to the point of perfection. Coloma California #gindstone,#sutters mill See more

The History of the Grinding Wheel | Our Pastimes

The History of the Grinding Wheel By James Young ; ... Jeppson and his partners purchased the company, the Norton product name and the product patent and continued the business. Essential Concept. Pulson's revolutionary idea was based on the adhesive, not the abrasive. Rather than presenting a durable face prone to clogging, Pulson's wheels ...

Grinding-wheel Dressing Patents and Patent Applications ...

More specifically, provided is a gear grinding machine wherein a threaded grinding stone (17) and a workpiece (W) are engaged with each other and are rotated in this state, resulting in the workpiece (W) being ground, and wherein between a dressing position (P2) where the threaded grinding stone (17) can be dressed and a retreat position (P1 ...

Grinding Wheels Patents - torokorszag.eu

The invention relates to a grinding wheel for grinding a blade, on the surface of which ions are deposited by means of a plasma-supported method and containing silicon carbide as abrasive medium with a grain size ranging from 100 to 500 mesh, said material being deposited in a ceramic based binding agent with aluminum silicate.

Machining fluid shearing technology | SIO Co., Ltd.

We introduce handling products, catalogs and so on. technology Machining fluid shearing technology. Just installing SIO in a machine tool (grinding machine, machining center) will greatly improve the performance of machining fluid, demonstrate orders of magnitude of cooling effect, and …

Issue Dates and Patent Numbers Since 1836

TAF REPORT ISSUE DATES AND PATENT NUMBERS SINCE 1836: BY YEAR -- 1836 TO 2001 BY ISSUE DATE -- 1963 - 12/1994 (With addendum for issue dates from 1995 - 2001)

Grinding Stone Surface Suppliers, Manufacturer ...

Alibaba offers 356 Grinding Stone Surface Suppliers, and Grinding Stone Surface Manufacturers, Distributors, Factories, Companies. There are 229 OEM, 212 ODM, 38 Self Patent. Find high quality Grinding Stone Surface Suppliers on Alibaba.

CPC Scheme - United States Patent and Trademark Office

subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency (polishing or abrading surfaces on work by means of tumbling apparatus B24B 31/00, involving oscillating or vibrating containers B24B 31/06; superfinishing surfaces on work, e.g. by means of abrading blocks ...

old antique farm tools - Laurel Leaf Farm antiques and vintage

primitive antique hand crank grinding wheel with old paint. ... Antique iron tree pruning and trimming tool with an 1870s patent date. ... King #800 japanese water stone whetstone for sharpening knives&tools. Japanese water stone for sharpening knives, wood chisels, carving tools …

The Roller Mill Patent :: 156 U.S. 261 (1895) :: Justia US ...

The Roller Mill Patent, 156 U.S. 261 (1895) The Roller Mill Patent. No. 70. Argued November 12, 1894. Decided February 4, 1895. 156 U.S. 261. APPEAL FROM THE CIRCUIT COURT OF THE UNITED STATES FOR THE NORTHERN DISTRICT OF ILLINOIS Syllabus

Grinding stone dressing device - Free Patents Online

Mar 13, 1990· It is therefore an object of the present invention to provide a grinding stone dressing device which is free of the above-mentioned drawbacks. According to the present invention, there is provided a dressing device by which the dressing of a worn grinding stone is carried out with the grinding stone kept on the rotation shaft of the dressing ...

US442801A - Stone-grinding wheel - Google Patents

US442801A US442801DA US442801A US 442801 A US442801 A US 442801A US 442801D A US442801D A US 442801DA US 442801 A US442801 A US 442801A Authority US United States Prior art keywords wheel fingers stone grinding points Prior art date 1890-12-16 Legal status (The legal status is an assumption and is not a legal conclusion.

American Stone Pioneers - Home

American Stone Pioneers has a cheaper and higher performing solution to your grinding aid concerns. With our patent pending composite grinding aid we can service any needs. Uncompromised Strength: Lower your Emissions: Our product does not interfere with the strength of the final end use product. Due to the nature of our product being a natural ...

Surface Grinding Wheels |

Grinding Wheels last 350 times long than conventional abrasives. Large grinding segments with heat-treated steel bodies deliver helps to increased durability and wheel life. A consistent diamond distribution offers continual high performance. Shop our surface grinding wheels.

W & B Douglas - Angelfire

William and Benjamin Douglas. Tools Made: Grinding stone frames and lathes. Also, hand & power pumps, hydrants, hydraulic rams, well fixtures, garden engines. During World War 1 they made a lathe for boring shells. ... His first patent was issued in August 1835 for a pump. Benjamin Douglas was born in Northford, CT. on 3 April 1816. In 1832 he ...

Antique Grinding Wheel For Sale | Vintage Antiques For Sale

Antique Grinding Stone Wheel Hand Foot Pulley 1883 Blacksmith Sharpening . $300.00. View It on eBay. Antique grinding wheel sharpening axe knife mill stone 35 lbs 14 1 2 diameter . $109.99. View It on eBay. RARE ANTIQUE Schofield Cleveland Stone Company Pedal Powered Grinding …

Wagman Metal - Storefront - Grinding Stone Holders

WAGMAN Grinding Stone Holders are designed to temporarily convert a power trowel into a floor grinder. Grinding stone holders bolt onto your power trowel like WX-style blades and are available for the following manufacturers' power trowels: 36" & 46" Allen, Bartell, Champion, Dart, Kelley, MBW, Marshalltown, Morrison, Muller, Stone, Best, Dixie, Stow (new style), Wacker, Whiteman.