Class 451/298 - Chain

Subclass of Class 451 - Abrading
Definition: Abrading machine employing an endless abrading band made
No. of patents: 25
Last issue date: 08/15/2006

Number	Title	Issue Date
7090560	System and method for detecting abrasive article orientation Systems and methods control abrading operations of an abrading machine by sensing characteristics of an abrading article installed on the abrading machine. When a problem is discovered by sensing the article, appropriate actions may be taken. As one example, the abr...	08/15/2006
7014545	Vibration damping in a chemical mechanical polishing system A carrier head for chemical mechanical polishing, includes a base, a support structure attached to the base having a surface for contacting a substrate, and a retaining structure attached to the base to prevent the substrate from moving along the surface. The retain...	03/21/2006
6869350	Polishing pads and methods relating thereto This invention describes improved polishing pads useful in the manufacture of semiconductor devices or the like. The pads of the present invention have an advantageous hydrophilic polishing material and have an innovative surface topography and texture which general...	03/22/2005
6843712	Polishing pads and methods relating thereto This invention describes improved polishing pads useful in the manufacture of semiconductor devices or the like. The pads of the present invention have an advantageous hydrophilic polishing material and have an innovative surface topography and texture which general...	01/18/2005
6739962	Polishing pads and methods relating thereto Polishing pads are provided having a polishing surface formed from a material. The polishing surface has a topography produced by a thermoforming process. The topography consists of large and small features that facilitate the flow of polishing fluid and facilitate ...	05/25/2004
6709320	Width adjustable sharpener A knife sharpener includes a handle and an operation portion in which two grinding members are respectively and pivotably received. An aperture is defined through a top of the operation portion and communicates with the grinding members. Each of the two grinding mem...	03/23/2004
6682402	Polishing pads and methods relating thereto This invention describes improved polishing pads useful in the manufacture of semiconductor devices or the like. The pads of the present invention have an advantageous hydrofoil polishing material and have an innovative surface topography and texture whic...	01/27/2004
6676497	Vibration damping in a chemical mechanical polishing system A carrier head for chemical mechanical polishing, includes a base, a support structure attached to the base having a surface for contacting a substrate, and a retaining structure attached to the base to prevent the substrate from moving along the surface....	01/13/2004
6446621	Saw wire A saw wire according to the invention has two parallel wire strings having a number of saw elements evenly distributed along the wire strings. A saw element includes a platform and a cutting plate. The platform has grooves intended to receive respective p...	09/10/2002
6347977	Method and system for chemical mechanical polishing A system for chemical mechanical polishing, and a method of chemical mechanical polishing and the preparation of wafer surfaces is provided. The preparation can either be a polishing operation or a buffing operation. The chemical mechanical polishing syst...	02/19/2002
6283112	Saw member, link of saw member and a method of producing a saw member A cutting member for cutting hard materials such as rock, concrete, etc., includes a support unit in the shape of a wire. The free ends of the wire are joined together to form an endless unit. Cutting elements are provided at regular distances from each o...	09/04/2001
6190242	Universal grinding machine A universal grinding machine having a plurality of workpiece holders, each of which can be moved independently of each other or jointly, by a separate slide, in the longitudinal direction of the workpiece on a slide guide disposed on the machine bed, or w...	02/20/2001
6186136	Stretch reduction system for concrete cutting chain saw A chain saw for aggregate material has a nozzle that provides a spray of water to that portion of the saw chain that is traveling between the guide bar and the drive sprocket. The flooding provided by the nozzle washes slurry off of the saw chain. A basin...	02/13/2001
6015338	Abrasive tool for grinding needles Abrasive tools and a grinding process are for use in the manufacture of hypodermic needles. In particular, a formulation including selected bond components, and a process for manufacturing grinding wheels having an embrittled bond permits a new method for...	01/18/2000
6001001	Apparatus and method for chemical mechanical polishing of a wafer In a polishing configuration wherein a polishing material or slurry is applied to a surface of a rotating polishing pad and a product material mounted on a rotating carrier is moved into contact with the polishing material or slurry, the flow of the polis...	12/14/1999
5769695	Chamfer grinding system for wafer Picking up means pick up a wafer from a first cassette one by one and carry the wafer to a pre-processing means. The wafer is picked up from the pre-processing means after the measuring and deciding the position has been completed in the pre-processing me...	06/23/1998
5749775	Diamond belt for cutting stones The invention relates to a diamond belt for cutting stones, like marble, granite, and others, generally used as an endless, that is continuous, belt, and characterized in that it has a flexible core, consisting of one or more cables (1), there being provi...	05/12/1998
5718216	Closure for saw cables The cutting wire consists of a wire rope (4) with cutting beads (6) affixed thereto that contain bonded superabrasives such as diamond and a cutting wire connector which connects the cutting wire to produce an endless wire loop for use in a wire sawing ma...	02/17/1998
5184598	Saw chain for aggregate materials An articulated saw chain for cutting aggregate material and the like. The saw chain has cutting blocks affixed to pairs of side links and guards formed or attached to side link pairs positioned between successive cutting blocks. A guard portion is thus ad...	02/09/1993
4603678	Belt-configured saw for cutting slots into stone A stone cutting device including a continuous flexible cutting belt for cutting a slot in stone which is in the ground. The device includes a main frame, a jib pivotally mounted to the main frame, aligned sheaves rotatably mounted to the main frame and ji...	08/05/1986
4571893	Rotary grinding tool This present invention relates to a rotary grinding tool, particularly to an endless grinding belt for a belt grinder machine, preferably used to grind wood profiles, in which a layer of elastic material is arranged on the working side of a rotary carrier...	02/25/1986
4204786	Endless chain apparatus for forming spur and helical gears with means for controlling chain A gear cutting machine is provided with an endless chain for carrying a plurality of tools into contact with one or more workpieces to thereby form gear tooth configurations on the workpieces. The endless chain is pressed into firm contact with a first se...	05/27/1980
4198185	Metalworking apparatus having improved means for supporting and guiding an endless chain An endless chain for carrying stock removal tools is provided with two sets of rollers for supporting and guiding the chain around a chain housing. One set of rollers functions to guide the chain through the work zone portion of its travel while the secon...	04/15/1980
4198184	Endless chain apparatus for forming spur and helical gears A gear cutting machine is provided with an endless chain for carrying a plurality of tools into contact with one or more workpieces to thereby form gear tooth configurations on the workpieces. The endless chain is provided with tightening means for stiffe...	04/15/1980
3988861	Lapping or grinding apparatus and method Apparatus for conditioning (i.e., lapping, pressure grinding or flash rolling) the surfaces of anti-friction rolling elements such as cylindrical rollers, needle rollers, barrel rollers or spherical rolling elements which comprises relatively movable plat...	11/02/1976

PatentStorm

Quotables

PatentStorm News

Class 451/298 - Chain