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Publication numberUS959054 A
Publication typeGrant
Publication dateMay 24, 1910
Filing dateMar 8, 1909
Priority dateMar 8, 1909
Publication numberUS 959054 A, US 959054A, US-A-959054, US959054 A, US959054A
InventorsCharles Glover
Original AssigneeCharles Glover
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Grinding and polishing disk.
US 959054 A
Images(1)
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Description  (OCR text may contain errors)

G. GLOVER.

GRINDING AND POLISHING DISK. APPLICATION FILED MAB. s, 1909.

Patented hilay 24, 1910;

UNITED STATES PATENT OFFICE.

CHARLES GLOVER, OF NEW BRITAIN, CONNECTICUT.

GRINDING AND POLISHING DISK. i

To all whom it may concern:

Be it known that 1, CHARLES GLovEn, a citizen of the United States, residing at New Britain, county of Hartford, State of Connecticut, have invented certain new and useful Improvements in Grinding and Polishing Disks, of which the following is.a full, clear, and exact description.

My invention relates to improvements in grinding and polishing apparatus, and particularly to a disk grinder as a new article of manufacture.

The object of the invention is to provide a prepared disk in'which the abrasive material is applied to one side face and is graded from the center outwardly. For grinding, the article to be ground is first applied to that part of the disk having the coarser abrasive. The operator may gradually work, without interruption, from this part of the disk to that part of the disk \vl'iich bears a finer abrasive, thus expediting materially the Work to be accomplished.

In the accompanying drawings Figure 1 IS a side-elevation of a diskgr nder. Fig. 2

"is a central section thereof;

1 is a flexible back of any suitable material, such as a strong fabric. Secured to one face of this disk, by any suitable binding agent, is the abrasive material. 2 represents in this particular instance the coarser abrasive While 3 represents a finer abrasive. Emory is an abrasive-commonly employed and the varying grades thereof from coarse to fine may be very successfully used in this connection. It is preferred to have the Specification of Letters fatent. Patented Mia 24,, 1910,

Application filed March 8, 1909.

Serial no. 481,892.

coarser emery near the center of the disk While the finer emery is near the outer edge.

By this arrangement, more effective grinding can be accomplished. The article to be ground is placed against the disk near its center where the movement of the abrasive material isrelatively slow. At this point, a heavy cutting, grinding action occurs. By gradually moving the article being groundtoward the outer edge, a relatively finer abras1ve is encountered, which is moving at a relatively greater s eed. This movement is continued until t e article reaches the outer edge, where it encounters the finest abrasive, and is thereby given thefinal polish. By starting from the center and working out, danger of rufiiing and tearing the disk is avoided.

...This grinder and polisher may be used with the usual apparatus, which it is not necessary to show or describe herein.

What I claim is:

As a new article of manufacture, a grinding and polishing means comprising a flex: ible disk, abrasive material applied to one surface of said disk, said abrasive being of CHARLES GLOVER.

Witnesses:

GEORGE P. SPEAK, SULIE C. MURPHY.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2524323 *Feb 21, 1947Oct 3, 1950Lloyd-Young Carysfort FCutting and sanding device
US3936981 *May 6, 1974Feb 10, 1976White Velton CDental model trimmer
US4037369 *Oct 1, 1975Jul 26, 1977Murray Robert CampbellFloor maintenance brush
US4731019 *Apr 9, 1986Mar 15, 1988Howard MartinDiamond coated scaler dental instrument for ultrasonic operation
US4830615 *Jul 2, 1987May 16, 1989Goldstein Ronald ETwo-grit cutting and polishing instruments
US4897037 *Dec 8, 1988Jan 30, 1990Appleby David CDental bur
US5297364 *Oct 9, 1991Mar 29, 1994Micron Technology, Inc.Polishing pad with controlled abrasion rate
US5823775 *Dec 6, 1995Oct 20, 1998Kabushiki Kaisha Matsutani SeisakushoPractical cutting bur and method of training using same for the cutting of human teeth
US6203407Sep 3, 1998Mar 20, 2001Micron Technology, Inc.Method and apparatus for increasing-chemical-polishing selectivity
US6241522 *Jan 8, 1998Jun 5, 2001Gebruder Brasseler Gmbh & Co.Grinding tool for dental purposes
US6325702Mar 7, 2001Dec 4, 2001Micron Technology, Inc.Method and apparatus for increasing chemical-mechanical-polishing selectivity
US6893325Sep 24, 2001May 17, 2005Micron Technology, Inc.Configuring pad with predetermined duty cycle; removing one dielectric in presence of another
US7004823 *Apr 30, 2001Feb 28, 2006Struers A/SMulti-zone grinding and/or polishing sheet
US7018282 *Mar 27, 1997Mar 28, 2006Koninklijke Philips Electronics N.V.Customized polishing pad for selective process performance during chemical mechanical polishing
US8008668May 3, 2010Aug 30, 2011Chien-Min SungDoped diamond LED devices and associated methods
US8157914May 31, 2007Apr 17, 2012Chien-Min SungSubstrate surface modifications for compositional gradation of crystalline materials and associated products
US8506707Apr 16, 2012Aug 13, 2013Chien-Min SungSubstrate surface modifications for compositional gradation of crystalline materials and associated products
US8715035 *Feb 21, 2006May 6, 2014Nexplanar CorporationCustomized polishing pads for CMP and methods of fabrication and use thereof
US20090053976 *Feb 21, 2006Feb 26, 2009Roy Pradip KCustomized Polishing Pads for CMP and Methods of Fabrication and Use Thereof
USRE37997Mar 27, 1996Feb 18, 2003Micron Technology, Inc.Polishing pad with controlled abrasion rate
WO2011141500A1 *May 11, 2011Nov 17, 2011Saint-Gobain Diamantwerkzeuge Gmbh & Co. KgGrinding disc
Classifications
Cooperative ClassificationB24D9/08