Disc Type Patents (Class 83/676)
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Publication number: 20100199964Abstract: In a cutting disc which has a plurality of radial slots connecting with the peripheral edge of the disc wherein each radial slot curves to one side wherein the slot has a concave shape relative to the peripheral edge of the disc.Type: ApplicationFiled: February 10, 2009Publication date: August 12, 2010Inventor: Kevin Baron
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Patent number: 7770615Abstract: A ring saw includes a disc body having a circumferential edge with a first circumferential bearing groove. A cutting ring is mounted for rotation about the circumferential edge of the body. The cutting ring has an inner annular surface that carries both a circumferential gear profile and a second circumferential bearing groove. Ball bearings are positioned in side by side relation in a circumferential bearing race defined by the first circumferential bearing groove and the second circumferential bearing groove. A circumferential seal is provided between the body and the cutting ring, which is adapted to prevent abrasives from entering into the bearing race and interfering with ball bearings. At least one driving gear is carried by the body and engaged with the circumferential gear profile to impart rotational movement to the cutting ring.Type: GrantFiled: December 3, 2007Date of Patent: August 10, 2010Assignee: 1279059 Alberta Ltd.Inventors: Phillip Corfe, Lester Oilund
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Publication number: 20100192745Abstract: The present invention relates to a displacement unit, serving to create a translational displacement movement of a cutting head of a cutting machine, particularly a slicer for slicing food products, wherein the head can be attached to the displacement unit. The displacement unit has a housing assembly and an actuator disposed in the housing assembly, the actuator comprising a stationary part in the displacement direction, and a part displaceable in relation to the stationary part in the displacement direction, for carrying out the displacement movement. The displacement unit further has at least one bearing that is attached to the housing assembly and is elastically deformable in the displacement direction, the displaceable part engaging on this bearing.Type: ApplicationFiled: August 28, 2007Publication date: August 5, 2010Applicant: WEBER MASCHINENBAU GMBH BREIDENBACHInventor: Guenther Weber
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Publication number: 20100162868Abstract: The invention relates to a cutting blade for machines for slicing food products, particularly for high-speed slicers, wherein the cutting blade is a sickle-shaped blade rotating about a rotation axis during the slicing operation and having a cutting edge that deviates from a circular shape at the radially outer circumference thereof and revolves about the rotation axis, particularly in the manner of a spiral, the edge being positioned in a cutting plane extending perpendicular to the rotation axis, wherein the cutting edge forms the radially outer end of a cutting surface, which forms part of the blade back side facing away from a product to be sliced during the slicing operation and includes a blade angle together with the cutting plane, and wherein the size of the blade angle varies in the circumferential direction.Type: ApplicationFiled: August 27, 2008Publication date: July 1, 2010Applicant: Weber Maschinenbau GmbH BreidenbachInventor: Guenther Weber
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Publication number: 20100126322Abstract: The invention relates to a method of producing a circular saw blade having cooling channels. In that case, placing of a plurality of thread-shaped bodies on a first circular disc of plastic material is carried out in such a manner that each of the thread-shaped bodies is oriented in radial direction. A second circular disc of plastic material is then placed on the first disc and the thread-shaped bodies. Subsequently, pressure is exerted on the second disc in the direction of the first disc. Removal of the plate-shaped bodies from the compressed disc pair is thereafter carried out, whereby cooling channels are created. Finally, sintering of the disc pair in order to obtain a circular saw blade having cooling channels running in radial direction is carried out.Type: ApplicationFiled: May 8, 2008Publication date: May 27, 2010Inventor: Arno Friedrichs
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Publication number: 20100107845Abstract: A cutting disc core for a circular shaped saw blade which has a circular shaped body which has a center hole and a circular peripheral edge upon which is to be mounted a plurality of spaced apart cutting segments that is to perform the cutting of the saw blade. Surrounding the center hole and formed within the body of the blade is a cut out of a five-sided shape that can be described as a square with rounded corners and with one corner sliced at an angle to leave a fifth side with sharply defined edges. On one or more sides of the five-sided shaped cut out is found one or more pair of radially extending members that together form a break in the continuous shape of the five sided “square” with there being a solid tab that is integrally connected to the body located between each pair of radially extending members. The tab constitutes a frangible seal with the five-sided shape which is formed about the center hole to be removable by being forcibly physically separated from the body.Type: ApplicationFiled: November 4, 2008Publication date: May 6, 2010Inventor: Kevin Baron
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Patent number: 7654182Abstract: A discoid lower blade and a discoid upper blade, having a sharper knife angle compared with that of the lower blade, are arranged such that rotational axes thereof are parallel to each other, and portions of the blades overlap one another in the direction that the rotational axes extend. A sheet with a coating layer on one side is fed through and shear-cut between the upper and lower blades in the direction perpendicular to the rotational axes, with the surface of the sheet opposite the coating layer in contact with a periphery of the lower blade while the blades are rotated. When the sheet is shear-cut, a contact start position, where contact between the sheet and the upper blade starts, is positioned upstream in the feed direction of the sheet but outside a contacting area of the sheet, where the sheet contacts the periphery of the lower cutting blade.Type: GrantFiled: June 17, 2004Date of Patent: February 2, 2010Assignee: Fujifilm CorporationInventor: Hirokazu Kawai
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Publication number: 20100000389Abstract: A cutter wheel is disclosed, which comprises a cutter wheel body, a cutting unit, and a solder layer. The cutter wheel body consists of the first substrate and the second substrate, wherein each substrate has an inner surface and an outer surface. The inner surface of the first substrate is treated with surface modification. The cutting unit can be formed on a rough surface. The solder layer is formed between the cutting unit and the second substrate. The present invention also provides a method for manufacturing the cutter wheel as mentioned above.Type: ApplicationFiled: November 18, 2008Publication date: January 7, 2010Applicant: Kinik CompanyInventors: Hsiao-Kuo Chang, Ming-Hui Wang
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Publication number: 20090314168Abstract: A rotatable slicing disc 1 for use in a food processor has a flat disc body 2 having a radially extending gap 3 formed therein and extending generally from a central hub 4 to a circumferential edge 5. A cutting blade 6 having a cutting edge 7 is attached to a blade support arm 8 with a support hub 9. The support hub 9 is telescopically received inside of a hub collar 10 and an adjusting sleeve 13 is mounted to the hub 9 via internal threads so that they may be longitudinally adjusted relative to each other in order to selectively adjust slicing width.Type: ApplicationFiled: December 12, 2008Publication date: December 24, 2009Inventor: CHARLES Z. KRASZNAI
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Publication number: 20090308219Abstract: A tip 14 is rotatably attached to a tip holder 10. The tip holder 10 is made into a cylindrical shape and its end has an installation part 16. An opening is arranged at a holder joint. The tip holder 10 is attracted by a magnet for attachment so that detaching and attaching can be performed easily. Tip offset data is recorded as a 2-dimensional code 17 on the surface of the tip holder 10. When replacing the tip holder, the offset data is read out and inputted to a scribe device, thereby canceling the offset. This eliminates the operation required for correction when attaching/detaching the tip holder and enables easy tip replacement during a short time of device stop.Type: ApplicationFiled: December 1, 2006Publication date: December 17, 2009Inventors: Masao Yamamoto, Atsushi Tabata
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Publication number: 20090293696Abstract: A cutting wheel having a disposable blade is a constructed of a disposable blade wheel, an inner support wheel and an outer support wheel to define a three part cutting assembly. An interior hub adapted to be mounted to the three part cutting assembly to provide a cutting wheel assembly. The disposable blade wheel is adapted to be connected to the inner support wheel and the outer support wheel, and may be located between the inner support wheel and outer support wheel. In the three part cutting assembly, an outer periphery of the blade wheel extends radially outwardly of an outer periphery of the inner support wheel and of an outer periphery of the outer support wheel to provide a cutting surface having a cutting edge. The cutting edge comprises a cutting material such as hardened tool steel, high carbon steel, non-ferrous alloys or the like.Type: ApplicationFiled: May 28, 2009Publication date: December 3, 2009Applicant: EMT INTERNATIONAL, INC.Inventors: Paul D. Rauscher, Bryan Baumgartner
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Publication number: 20090286457Abstract: A cut-off wheel for machine tools, in particular for handheld power grinders, has a blade body (8), on the outer edge of which at least two cutting segments (9) are mounted. Seen in the circumferential direction, the outer edge of the blade body is subdivided into identical segment receiving portions (10), each of which is assigned a cutting segment.Type: ApplicationFiled: December 13, 2007Publication date: November 19, 2009Inventors: Beat Salzgeber, Marzell Chanton, Roberto Mulone
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Publication number: 20090223342Abstract: The invention relates to a circular saw blade comprising a support body (1) and a plurality of cutting teeth (2) distributed over the circumference, in which the support body (1) has a plurality of material recesses (3) that in some areas have clearing edges (4) that project axially beyond the support body (1), which is characterized in that the clearing edges (4) are embodied in one piece with the support body (1).Type: ApplicationFiled: April 27, 2007Publication date: September 10, 2009Inventor: Bernhard Humpf
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Publication number: 20090199692Abstract: A saw blade includes a circular core having a plurality of cutting elements along its periphery, and a central arbor hole. One or more offset gullets extend radially inward from the perimeter of the core. Each offset gullet includes a first opening in one side of the core and a second opening in the other side of the core. The first and second openings are adjacent but at least partially offset from one another, so that at least a portion of the offset gullet is not see-through.Type: ApplicationFiled: January 21, 2009Publication date: August 13, 2009Applicants: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventor: Andre R. G. Heyen
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Publication number: 20090199693Abstract: A saw blade includes a circular core having a plurality of cutting elements along its periphery, and a central arbor hole. One or more gullets extend radially inward from the perimeter of the core. Each gullet includes a shape that includes at least one elongated curve that enlarges radii in gullet areas prone to cracking, relative to other gullet areas.Type: ApplicationFiled: January 21, 2009Publication date: August 13, 2009Applicants: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventor: Andre R. G. Heyen
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Publication number: 20090185874Abstract: A glass cutting tool includes a cutter body provided at a bottom portion thereof with a hole-cutting portion. The hole-cutting portion has a circular cross section and a recessed hole recessed inwardly from a bottom end thereof, such that the contact area between the hole-cutting portion and a workpiece of glass panel can be minimized when the hole-cutting portion is rotated to work on the glass panel, thereby avoiding cracking of the glass panel during working and lowering the defect rate and processing cost.Type: ApplicationFiled: June 25, 2008Publication date: July 23, 2009Applicant: GRAIN ELECTRONICS, INC.Inventor: Lu-Chia LIAO
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Patent number: 7563155Abstract: A cutting apparatus includes a blade mount supporting a first ultrasonic transducer for imparting ultrasonic vibrations to a cutting blade. The blade mount includes an annular flange having a grip surface on an outer circumferential side surface thereof for gripping the cutting blade, a first ultrasonic transducer housing portion for housing the first ultrasonic transducer, and a hollow cylindrical mount boss having a fitting hole fitting over the spindle. The annular flange has a plurality of through holes defined therein between the first ultrasonic transducer housing portion and the mount boss. A blade grip flange has a fitting hole fitted over the mount boss, a grip surface on an outer circumferential side surface thereof for gripping the cutting blade, a second ultrasonic transducer housing portion for housing a second ultrasonic transducer, and a plurality of through holes defined therein between the second ultrasonic transducer housing portion and the fitting hole.Type: GrantFiled: May 19, 2008Date of Patent: July 21, 2009Assignee: Disco CorporationInventors: Souu Kumagai, Fumiteru Tashino
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Publication number: 20090120260Abstract: An apparatus is provided for destroying or disabling an information or data storage device comprising a first layer and a second layer bonded together. A mechanical device or energy form is inserted into the information or data storage device to cause the first and second layers to separate from each other.Type: ApplicationFiled: November 7, 2008Publication date: May 14, 2009Applicant: D3, Inc.Inventors: Roger S. Hutchison, Hsi-Ling Lee
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Publication number: 20090078105Abstract: A scribing wheel for a brittle material, comprising: an outer peripheral portion around which a circumference ridgeline is formed, where two truncated cones have connected bottoms so as to share the same rotational axis; and a number of alternating notches and protrusions which are formed in the direction of the circumference along the above described circumference ridgeline, wherein the above described protrusions are formed of portions of the above described circumference ridgeline which remain after the above described circumference ridge line is notched and have a length in the direction of the circumference so that a scribe line is drawn on the above described brittle material substrate and a vertical crack extending from the scribe line in the direction of the thickness of a brittle material substrate is formed when the scribing wheel is rotated in such a state as to be pressed against the above described brittle material substrate, wherein the length of the notches in the direction of the circumferenceType: ApplicationFiled: July 6, 2006Publication date: March 26, 2009Inventors: Kazuya Maekawa, Haruo Wakayama
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Publication number: 20090071309Abstract: Disclosed is a diamond saw capable of reducing noise by installing a damper for absorbing vibration in a shank. The low noise diamond saw comprises: a shank formed of a circular metallic plate; and a diamond blade bonded to an outer circumferential surface of the shank, in which a damper is partially bonded to one or both of upper and lower surfaces of the shank by a spot welding.Type: ApplicationFiled: December 6, 2006Publication date: March 19, 2009Applicant: Korea Institution of Science and TechnologyInventors: Kwang-Koo Jee, Jun-Hyun Han, Yoon-Bae Kim, Seung-Hee Han
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Publication number: 20090049615Abstract: A foam spring for use in pillows, cushions, mattresses or the like, the foam spring having a tubular resilient body made of foam with holes extending inwardly from an outside surface to an inside location, wherein the holes extend at a non-perpendicular angle relative to a line perpendicular to the outside surface of the spring at the position of the hole. The foam spring is manufactured by a method which comprises providing interrupted slits along lines extending in the longitudinal direction of a foam layer; cutting a transverse strip out of this foam layer; bending two opposite ends of the strip towards each other; and fixing the two opposite ends into a tubular shape to form the tubular resilient body, wherein the slits are made in a direction forming an angle with the direction perpendicular to the surface of the foamed layer.Type: ApplicationFiled: August 21, 2007Publication date: February 26, 2009Applicant: IMHOLD, naamloze vennootschapInventor: Willy Poppe
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Patent number: 7493841Abstract: A machine for slicing food products, including a supported table surface with aperture for the passage therethrough of product slices; a power-driven cutting device having a horizontal blade extending above the table surface at a distance substantially corresponding to the slice thickness required; a guided horizontally sliding platform spaced above the cutting device; a power-driven reciprocating lateral thruster attached to the horizontal sliding platform for the purpose of moving the platform both to produce slices of food product and to clear the cutting device in the case it is jammed; and a vertical tube-shaped open-ended hopper rigidly supported by the horizontally sliding platform for containing a stack of food product items, the lowest item in the stack resting on the table surface and being pushed by the hopper into contact with the cutting device to produce a slice.Type: GrantFiled: January 19, 2005Date of Patent: February 24, 2009Inventor: Robert E. Kaplan
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Publication number: 20090025526Abstract: A disk-shaped rotary blade of a slitter blade assembly has a cutting edge and a first beveled surface facing a drum-shaped rotary blade of the slitter blade assembly and progressively spaced from the drum-shaped rotary blade toward the cutting edge. The disk-shaped rotary blade also has a second beveled surface facing a workpiece to be cut off and progressively spaced from the cutting edge away from the workpiece.Type: ApplicationFiled: September 25, 2008Publication date: January 29, 2009Applicant: Fujifilm CorporationInventors: Akihiro Sanda, Sampei Iida, Kenji Watanabe, Fujio Kuwabara
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Publication number: 20090025525Abstract: A disk-shaped rotary blade of a slitter blade assembly has a cutting edge and a first beveled surface facing a drum-shaped rotary blade of the slitter blade assembly and progressively spaced from the drum-shaped rotary blade toward the cutting edge. The disk-shaped rotary blade also has a second beveled surface facing a workpiece to be cut off and progressively spaced from the cutting edge away from the workpiece.Type: ApplicationFiled: September 25, 2008Publication date: January 29, 2009Applicant: Fujifilm CorporationInventors: Akihiro SANDA, Sampei Iida, Kenji Watanabe, Fujio Kuwabara
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Patent number: 7455004Abstract: The apparatus for trimming sheet material includes a top knife and an opposing bottom knife for trimming sheet or web material passing between the top and bottom knives. The top knife defines a negative rake angle with a substantially vertical plane passing through a cutting edge of the bottom knife. The negative rake angle may be between about ?10° and ?30° and, more preferably, between about ?12° and ?20°. The top and bottom knives may be disk or block knives.Type: GrantFiled: March 6, 2003Date of Patent: November 25, 2008Assignee: Alcoa Inc.Inventors: Ming M. Li, Hongbing Lu, James M. Rushing, Dennis P. Henninger, Xingyun Shen
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Publication number: 20080265072Abstract: The present invention relates generally to cutting blades for shredders. Specifically, this invention teaches cutting blades, cutting blade assemblies, and a rotary cutting assembly which reduce the power needed to shred paper, plastic, and other forms of media that hold information. This is accomplished by creating a cutting blade with at least three adjacent teeth. The formation of three or more adjacent teeth more readily tears through paper and other media thus reducing the amount of power necessary to drive a shredder. This invention further discloses light weight cutting blades which require less material to manufacture, thus saving both materials and cost.Type: ApplicationFiled: July 9, 2008Publication date: October 30, 2008Inventor: Tie Chun WANG
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Publication number: 20080257127Abstract: A rotary saw blade is provided that has improved metal cutting performance by reducing vibration and producing less noise than typical rotary saw blades. The saw blade comprises a “gullet-less” design that helps reduce the generation of noise caused by the aerodynamic effects of the rotating saw blade on the ambient air. On embodiment of the saw blade uses a grouping of tip placement about the periphery of the saw blade to further reduce the generation of vibration during cutting operations.Type: ApplicationFiled: April 17, 2007Publication date: October 23, 2008Applicant: THE M. K. MORSE COMPANYInventor: Karthik Krishna
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Publication number: 20080210212Abstract: Methods and apparatus for making and using tools, for example concrete cutting blades, may use laminations. They may also include inserts, such as structural inserts, damping inserts and fluid flow elements. Fluid flow elements may include a tube, a transition element including an inlet fitting, a fluid pressure containment structure inserted into the channel of the blade, an added material resistant to effects of the fluid including plastics, coatings and films, and other structures. Additional nozzle structures may be included. Methods and apparatus for making and using tools including concrete cutting blades having improved damping characteristics may include inserts, plugs and other structures, including those made from materials softer or more ductile than the tool material.Type: ApplicationFiled: October 31, 2007Publication date: September 4, 2008Inventor: Anthony Baratta
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Patent number: 7415916Abstract: Particle removal structure is employed with a scribing tool to remove particles from the surface of a semiconductor wafer being scribed and transport the particles to another location.Type: GrantFiled: January 5, 2006Date of Patent: August 26, 2008Assignee: Micro Processing Technology, Inc.Inventor: Paul C. Lindsey, Jr.
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Publication number: 20080115647Abstract: The present invention relates generally to cutting blades for shredders. Specifically, this invention teaches cutting blades and a rotary cutting assembly which reduce the power needed to shred paper, plastic, and other forms of media that hold information. This is accomplished by creating a cutting blade with at least three adjacent teeth. The formation of three or more adjacent teeth more readily tears through paper and other media thus reducing the amount of power necessary to drive a shredder.Type: ApplicationFiled: November 20, 2006Publication date: May 22, 2008Inventor: Tie Chun Wang
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Patent number: 7370563Abstract: A process for manufacturing a product from strip tape starting from a broad web of material includes the step of separating the web into individual strips with a smooth stripping roll, conveying each strip in a vacuum conveyor channel, turning the strips on their way to the channel or in the channel by about 90°, leading the strips together at the end of the channel one upon the other and thereafter processing the strips to form the final product.Type: GrantFiled: August 29, 2006Date of Patent: May 13, 2008Assignee: LTS Lohmann Therapie-Systeme AGInventors: Detlev Neuland, Wolfgang Schafer, Hans-Rainer Hoffmann
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Publication number: 20080072731Abstract: In a circular saw blade which includes expansion and vibration damping slots, the slots have parallel side walls with an inclination with respect to the circular saw surface which inclination changes over the length of the slots.Type: ApplicationFiled: September 19, 2007Publication date: March 27, 2008Inventor: Ing Johannes Troger
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Publication number: 20080016936Abstract: The invention relates to a method for sizing a tube section (5) of a tube (1), with the tube (1) including an inner tube (2) and an outer tube (3) covering the inner tube (2). The tube section (5) is separated with the help of a cutting tool (6) at a cutting site (8) in a cutting plane aligned perpendicular to a longitudinal extension of the tube (1). For the method according to the invention, the tube cover (3) of the tube (1) is wrapped by a tube fixation (4), for example an adhesive tape, which covers the intended cutting site, before the tube section (5) is separated from the tube (1) at the cutting site (8) with the help of a cutting tool (6). The tube fixation (4) does not only mark the intended cutting site but also counteracts a fraying of the tube cover (3) at the cutting site (8), comprising a metal and/or plastic web.Type: ApplicationFiled: July 11, 2007Publication date: January 24, 2008Applicant: NEOPERL GMBHInventor: Roger Schlitter
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Publication number: 20080017006Abstract: A rotating blade for a cutting machine. The blade defines an arbor hole for an arbor typically having at least three sides. The preferred arbor hole includes first and second sides each of which conform to adjacent sides of the arbor, a short side joining the first and second sides, a third side connected to the first side, and a fourth side connecting the third side to the second side.Type: ApplicationFiled: July 24, 2006Publication date: January 24, 2008Inventor: Michael Patrick Burke
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Patent number: 7308846Abstract: An apparatus for cutting a liquid crystal display panel includes a cutting wheel having a spindle shape substantially corresponding to two conical shapes being attached to each other at circular bottom surfaces, a cutting blade along a central portion of the cutting wheel, a holder to which the cutting wheel is mounted, and a support part at the holder, the support part fixing and supporting the cutting wheel.Type: GrantFiled: April 27, 2004Date of Patent: December 18, 2007Assignee: LG.Philips LCD Co., Ltd.Inventors: Yung-Chul Kwon, Jung-Sik Kim, Jong-Yull Park, Kyu-Jae Jeon
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Publication number: 20070266841Abstract: The present invention provides a generally circular cutting blade suitable for use in conventional circular saws or equivalent power tools such as table saws and the like. The cutting blade of the present invention utilizes a pair of angled or concave portions or segments (as viewed from one side of the blade). A first portion is located at the radially outward periphery of the blade and a second portion is disposed radially inwardly therefrom. These first and second angled or concave portions are connected by a relatively flat blade portion that permits the radially outward portion to flex or deflect slightly from side to side as the blade is rotated through a work piece.Type: ApplicationFiled: May 16, 2007Publication date: November 22, 2007Inventors: Barbara Cotten Robinson, Jeffrey S. Robinson
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Publication number: 20070227320Abstract: A trimming turret including a first trimmer head including a first pilot. The turret is configured to receive a stress induced plastically deformed container having earing about a respective opening in the container, and at least one of (i) direct the container to the first trimmer head so that the pilot becomes located inside the opening, and (ii) direct the first trimmer head to the container so that the pilot becomes located inside the opening. The turret is configured to trim off the earing from the container with the first trimmer head.Type: ApplicationFiled: October 17, 2006Publication date: October 4, 2007Inventor: Harold James Marshall
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Patent number: 7258052Abstract: A machine for removing the tips of tablet punches includes a housing that contains a turret that is rotated about a substantially vertical axis and a cutting wheel. The turret supports a plurality of tablet punches in a substantially vertical position with the tips of the punches being exposed below the turret. A cutting wheel is positioned below the turret and is located in a position so as to be in the path of the tips as the turret rotates. A motor rotates the cutting wheel so that the tips are removed from the punches as they are rotated into the path of the wheel. A nozzle is directed to the position where the cutting wheel engages the tips of the punches and sprays a cooling fluid in order to cool the cutting wheel and tips to prevent overheating thereof.Type: GrantFiled: March 22, 2004Date of Patent: August 21, 2007Assignee: Stevens Pharmaceutical Equipment Industries, LLCInventor: Steven McLean
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Patent number: 7258044Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.Type: GrantFiled: June 19, 2003Date of Patent: August 21, 2007Assignee: Good Earth Tool CompanyInventor: Edward E. Williams
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Patent number: 7254891Abstract: A lawn cutting device includes a handle having a hollow connecting part that has a bottom end portion defining a bottom opening and a driving member having an output shaft that is received in the connecting part of the handle and that extends outwardly through the bottom opening. The device also includes a blade-mounting seat spaced apart from the bottom end portion of the connecting part of the handle, and aligned coaxially with and secured to the output shaft. The device further includes a blade member mounted on the blade-mounting seat; and a protecting member including a cup-shaped body that is coaxially aligned with and that extends from the blade-mounting seat, and that defines a recess which receives the bottom end portion of the connecting part of the handle therein.Type: GrantFiled: May 27, 2005Date of Patent: August 14, 2007Inventor: Chang-Shin Liu
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Patent number: 7225715Abstract: An apparatus for cutting materials and more specifically an improved saw blade includes a plurality of variable teeth thereon. The variable tooth saw blade cuts faster and smoother while reducing harmonic vibrations. Specifically, the teeth on the saw blade are grouped into sections with differing circumferential widths and differing spacing between the sections.Type: GrantFiled: May 13, 2004Date of Patent: June 5, 2007Assignee: Black & Decker Inc.Inventors: Jeremy A. Lowder, Scott A. Vilagi
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Patent number: 7225545Abstract: A power tool, in particular a circular saw, for eccentrically a rotatable working tool and, in particular, a circular saw blade, includes a roller device (13) supported on a tool housing (6) and having at least two roller pairs (12, 16) each having a first roller (10, 14) and a second roller (17, 19) engageable with opposite sides of the working tool (4), with at least one of the rollers (10, 14, 17, 19) of at least one roller pair (12, 16) being rotatable by a tool motor (8) which is located in the housing (6), for driving the working tool (4), and a pivot device (20) for pivoting the first rollers (10, 14) together relative to the second rollers (17, 19) between a release position in which the working tool (4) is brought in or removed from the roller device (13), and a drive position in which a forcelocking connection between the at least one of the rollers (10) of the at least one roller pair (12, 16) and the working tool (4) is established.Type: GrantFiled: September 28, 2005Date of Patent: June 5, 2007Assignee: Hilti AktiengesellschaftInventor: Thomas Blatz
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Patent number: 7210474Abstract: Cutting tools are provided that include a circular core with a cutting means located on its periphery, a central bore to receive an arbor of a rotating power tool and one or more perforations extending through the central core. The perforations are disposed along a circumference disposed concentrically with, and between, the central bore and the periphery. The perforations are arranged to form an annular window through the core which corresponds to a predetermined cutting depth during rotational operation of the tool.Type: GrantFiled: March 23, 2005Date of Patent: May 1, 2007Assignee: Saint-Gobain Abrasives Technology CompanyInventors: Olivier Philippe Gaida, Franck Jacques Dominique Pichoff
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Patent number: 7181993Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.Type: GrantFiled: February 6, 2001Date of Patent: February 27, 2007Assignee: Good Earth Tool CompanyInventor: Edward E. Williams
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Patent number: 7156010Abstract: A disk cutter including an annular disk-shaped base, a plurality of tip supports formed integrally along an outer circumference of the base, a gullet is defined between adjacent ones of the tip supports, a plurality of tip inserts respectively fixed to the tip supports, a plurality of outer slits formed at an outer circumferential portion of the base at given intervals, each of the outer slits having an outer end opening to the gullet, a plurality of intermediate slit pairs formed at a radially intermediate portion of the base at the given intervals, each of the intermediate slit pairs is located between adjacent ones of the outer slits. Each intermediate slit pair includes a substantially J-shaped first slit and a substantially inverted J-shaped second slit arranged in point symmetrical relationship with the first slit. Each of the first and second slits is filled with a viscous material.Type: GrantFiled: February 9, 2005Date of Patent: January 2, 2007Assignee: Tenryu Seiko Kabushiki KaishaInventor: Tanehiko Asada
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Patent number: 7140287Abstract: An apparatus for cutting materials and more specifically an improved saw blade includes a plurality of variable teeth thereon. The variable tooth saw blade cuts faster and smoother while reducing harmonic vibrations. Specifically, the teeth on the saw blade are grouped into sections with differing circumferential widths and differing spacing between the sections.Type: GrantFiled: September 27, 2004Date of Patent: November 28, 2006Assignee: Black & Decker Inc.Inventors: Jeremy A. Lowder, Scott A. Vilagi
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Patent number: 7137539Abstract: An apparatus and method of converting a web of indefinite length into a plurality of web portions by slitting the web at a transverse point prior to processing the web portions into a plurality of use supply forms (such as rolls), wherein the plurality of web portions are separated by a two-stage process. A first stage of the process is a partial separation operation that almost entirely separates the web portions, but leaves the web portions connected, such as by a slitting operation that leaves a series of connected zones. The second stage includes the complete separation, such as by breaking of the connected zones. The complete separation of the web portions preferably occurs near the station at which the use supply forms are created, such as a winding station. Thus, the web portions, after substantial separation at the first stage can be handled (for example, guided and tensioned) as if the plurality of web portions were a full width web.Type: GrantFiled: April 19, 2002Date of Patent: November 21, 2006Assignee: 3M Innovative Properties CompanyInventor: Byron M. Jackson
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Patent number: 7127978Abstract: A circular saw machine having a saw blade (1) that is movably held for back and forth motion during the sawing process. A forward and a rearward saw blade guide (4, 5) ensure the stability of the saw blade (1) while sawing. The saw blade guides (4, 5) respectively have contact surfaces (6), which abut on the respective side surfaces of the saw blade (1). In order to operate the circular saw machine with different saw blade diameters, the forward saw blade guide (5) is removable from, or pivotable away from, the saw blade (1), and the saw blade itself is interchangeable. The radial positioning of the contact surfaces (6) of the saw blade guides (4, 5) is variable. This can be accomplished by interchanging the whole saw blade guide (5), but also in particular by a mounting (12), pivotable with respect to the saw blade guide (4, 5) and to which the contact surface (6) is fixed.Type: GrantFiled: April 8, 2004Date of Patent: October 31, 2006Assignee: KEURO Besitz GmbH & Co. EDV-Dienstleistungs KGInventors: Stefan Boss, Klaus Frietsch, Fritz Heydt
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Patent number: 7114422Abstract: A process for manufacturing a product from strip tape starting from a broad web of material includes the step of separating the web into individual strips with a vacuum roll, conveying each strip in a vacuum conveyor channel, turning the strips on their way to the channel or in the channel by about 90°, leading the strips together at the end of the channel one upon the other and thereafter processing the strips to form the final product.Type: GrantFiled: May 31, 2000Date of Patent: October 3, 2006Assignee: LTS Lohmann Therapie-Systeme AGInventors: Detlev Neuland, Wolfgang Schafer, Hans-Rainer Hoffmann
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Patent number: 7013785Abstract: A ceramic cutting device having a base, longitudinal guides mounted to the base, and a support movably mounted on the longitudinal guides. A cutting-wheel handle holder is pivotably mounted to the support. A cutting-wheel handle is mounted to the handle holder and the cutting wheel is mounted to the handle. An actuating lever is mounted in a threaded hole in the handle holder so as to immobilize the handle so that the handle can apply pressure on a ceramic piece to be cut via the cutting wheel. The cutting wheel handle has an outer periphery with at least three longitudinally extended rebates which have a geometry that reduces the frequency of vibration during scoring of the ceramic piece by the cutting-wheel. The handle further has at least one longitudinally extending planar surface for engaging with the actuating lever.Type: GrantFiled: August 2, 2001Date of Patent: March 21, 2006Assignee: Germans Boada, S.A.Inventor: Josep Torrents I Comas