Grinding tool for dental purposes - Google Patents

grinding tool honeycomb dental grinding abrasive Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US09/004,470 Inventor Jurgen Schon ...

US Patent for Grinding tool Patent (Patent # 5,398,455 ...

Justia Patents Rigid Tool US Patent for Grinding tool Patent (Patent # 5,398,455) Grinding tool . Jan 14, 1993 - United Technologies Corporation. A hafnium nitride coating is applied over the cubic boron nitride layer of conventional CBN tools by the process of arc physical-vapor-deposition at temperatures below the tempering temperature of the ...

Grinder tool rest - Lee Valley Tools Ltd.

Barnes, R. C., "Tool Rest for Your Bench Grinder", article from Shop Notes, Popular Mechanics (1955). P. 69, from Canadian Workshop (Nov. 1992), ad for "Sabre Sharpening Centre", Vendor: Woodturner's World. Picture of grinder tool rest, which was made in Taiwan for Delta and manufactured prior to the filing date of Aug. 17, 1994 for this application, Ser. No. 29/027,267.

Method for grinding precision components (Patent) | DOE ...

A reusable grinding tool consisting of a replaceable single layer of abrasive particles intimately bonded to a precisely configured tool substrate, and a process for manufacturing the grinding tool. The tool substrate may be ceramic or metal and the abrasive particles are preferably diamond, but may be cubic boron nitride.

FORMED CUTTER MANUFACTURING METHOD AND …

1. A method for manufacturing a formed cutter having a blade on a tip side of the formed cutter, the blade having a cutting part and a flute alternately disposed and rotating around a rotation axis to perform cutting, the method comprising the steps of: forming a depression and a projection on a blade forming part, the depression and the projection having different diameters and being arranged ...

Edge dressing grinder tool - NSI Solutions, LLC

I claim: 1. An edge grinding tool, comprising: a. a grinder with a forward extending head containing a motor and a perpendicularly aligned drive axle attached to said motor, said grinder includes a grinding disc attached to said drive axle used to grind an edge of a work piece; b. a forward bracket attached to said head on said grinder; c. two parallel slide arms extending laterally from said ...

Grinding tools - Unicorn Industries PLC

Grinding tools. United States Patent 5094671. Abstract: The invention relates to grinding tools, particularly to grinding wheels having an annular band of abrasive material at their periphery and provides an improved method of manufacture. A mixture of abrasive material, temporary binder and ceramic bond is heated to paste-like consistency and ...

Combined cutting and grinding tool - Google Patents

A tool is constructed by a plurality of diamond columns 22 arranged so as to protrude from a working surface and a conductive bond member 24 for integrally fixing the diamond columns. The conductive bond member is electrolytically dressed while a conductive liquid is supplied between the bond member and an electrode 4 which faces the bond member at a distance, thereby enabling the diamond ...

Patents for B24D 18 - Manufacture of grinding tools, e.g ...

Patents for B24D 18 - Manufacture of grinding tools, e.g. wheels, not otherwise provided for (4,462) 03/2015 03/05/2015 US20150060151 Cutting elements with …

US Patent Application for VULCANIZED FIBER GRINDING …

The invention relates to a vulcanized fiber grinding tool (1) comprising two vulcanized fiber grinding disks (2, 3) which are adhered to each other over the entire surface by means of an adhesive layer (4) arranged between the vulcanized fiber grinding disks (2, 3) such that the vulcanized fiber grinding disk (2, 3) outer faces provided with the grinding means point away from each other and ...

Bryant Chucking Grinder Co. - Assigned Patents ...

The invention enhances this diamond sizing method by terminating the grinding based on grinding tool pressure against the workpiece. 2,838,885: Jun. 17, 1958: Compensating radial work support for an internal centerless grinder: Roald Cann : Weathersfield, VT: Improved work support for the internal centerless grinder of patent 2,635,395 ...

US Patent for Inner surface grinding tool Patent (Patent ...

An inner surface grinding tool is provided with a plurality of machining units for simultaneously machining inner surfaces of a plurality of portions of a workpiece. The plurality of machining units respectively include expanding and contracting mechanisms and grinding blade portions. In the respective machining units, outer diameters of the respective grinding blade portions are capable of ...

US Patent for Grinding tool bit Patent (Patent # 5,406,929 ...

A grinding tool bit is formed of a disk-shaped base member (1) with a central through opening (6) for attaching the base member to a drive spindle of a machine tool. The base member (1) is covered with individual cutting elements (4) at the radially outer circumferential surface (2) and in the side faces (3) adjacent the outer circumferential surface (2).

Method for Producing a Grinding Tool ... - patents.justia

With a method for the production of a grinding tool, a tool base body is provided, which configures a three-dimensionally shaped adhesive sur-face by application of a bonding agent. The tool base body is positioned in a way that the adhesive surface is arranged in an electrostatic field, be-tween a first electrode and a second electrode. Into the electrostatic field, abrasive grains are ...

Dental grinding tool - Patent - Europe PMC

Abrasion tool for dental purposes The abrasion tool comprises a flat, flexible carrier body (2) made from metallic material overlaid, on part of it, with abrasive material (3). The carrier body is provided with, on a section of it, a honeycomb structure. The honeycomb structure may consist of bridges (4) and constrained recesses (5). The ...

Bench grinder - Hand Tools International, Inc.

Bench grinder - Hand Tools International, Inc. Title: Bench grinder. United States Patent 5525095. Abstract: There is described a bench grinder in which the operation of particular functional elements has been enhanced. Among significant improvements are shield-mounted lamps by means of which lighting in the work zones of the grinder is improved.

Method and System for Manufacturing a Grinding Tool

A method for manufacturing a grinding tool which has a binding agent based on aromatic molecules includes cutting an abrasive material parent web with a laser device to form at least one inner contour of the grinding tool, and punching out an outer contour of the grinding tool from the abrasive material parent web.

Grinding tool for making hemispherical bores in hard ...

A grinding tool for forming hemispherical bores in hard materials such as boron carbide. The tool comprises a hemicircular grinding bit, formed of a metal bond diamond matrix, which is mounted transversely on one end of a tubular tool shaft. The bit includes a spherically curved outer edge surface which is the active grinding surface of the tool.

US4338748A - Grinding tool metal machining - Google …

A grinding tool for metal machining which is provided with matrix-bonded abrasive grains, the hardness of the matrix varying over the grinding area, along which the workpiece moves in a …

Precision replenishable grinding tool and manufacturing ...

A reusable grinding tool consisting of a replaceable single layer of abrasive particles intimately bonded to a precisely configured tool substrate, and a process for manufacturing the grinding tool are disclosed. The tool substrate may be ceramic or metal and the abrasive particles are preferably diamond, but may be cubic boron nitride.

Precision replenishable grinding tool and manufacturing ...

A grinding tool for forming hemispherical bores in hard materials such as boron carbide. The tool comprises a hemicircular grinding bit, formed of a metal bond diamond matrix, which is mounted transversely on one end of a tubular tool shaft. The bit includes a spherically curved outer edge surface which is the active grinding surface of the tool.

Valve seat grinding device and tool for using same ...

A tool and a grinding member for installing thereon comprising a support structure having inner and outer portions journaled for relative rotational movement, a guide member for mounting on an object having a surface to be ground, the guide member having a cylindrical portion that extends from the object in a position centered on the axis of the surface to be ground, the inner portion of the ...

Tool grinding machine (Patent) | DOE Patents

DOE Patents Patent: Tool grinding machine. Tool grinding machine. Full Record; Other Related Research; Abstract. The present invention relates to an improved tool grinding mechanism for grinding single point diamond cutting tools to precise roundness and radius specifications. The present invention utilizes a tool holder which is longitudinally ...