Patents Represented by Attorney, Agent or Law Firm James J. Trussell
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Patent number: 5643068Abstract: The invention relates to an abrasive sheet member produced from the interstitial sheet material between circular abrasive discs during converting operations. The sheet material includes at least three projecting ends separated from each other by a boundary having a radius of curvature with a center of curvature located outside the sheet member.Type: GrantFiled: May 26, 1995Date of Patent: July 1, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventor: Robert E. Ward, Sr.
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Patent number: 5632849Abstract: The winding system includes several rollers and a rotating drum, around which the web winds before being wound on a core. A cutting and tabbing assembly cuts the web against the rotating drum and cuts and applies the tab on the web in registration with the cut end of the web. The cutting and tabbing assembly includes a wheel, a knife mounted on the wheel, and a tab bar mounted on the wheel adjacent the knife. During the winding of the web on the core the proper amount of tab paper is unwound and moved toward the knife to cut and grab the tab. Then, the knife and tab bar rotate to cut the web while the tab bar applies the tab onto the cut end of the web.Type: GrantFiled: January 21, 1992Date of Patent: May 27, 1997Assignee: Minnesota Mining and Manufacturing and CompanyInventors: Harvey D. Ogren, James L. Albrecht, Leonard M. Volin
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Patent number: 5628846Abstract: A self-forming self-adhering pull bow having a pressure sensitive adhesive coating on facing sides of the drawstrings. After the bow is formed, the drawstrings are separated to enable the pressure sensitive adhesive coated sides of the drawstrings to be applied to the object to adhere the bow to the object.Type: GrantFiled: May 17, 1995Date of Patent: May 13, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Charles P. Huss, Arthur L. Fry, Steven R. Leseman
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Patent number: 5619877Abstract: A peening particle support having a plurality of asymmetrically arranged peening particles positioned to minimize tracking on a workpiece. The peening particles are attached to an exposed surface of the peening particle support. The peening particle arrangement includes three or less peening particles with substantially the same non-zero radial distance from a center of the exposed surface. The peening particles are preferably arranged in at least one linear array of peening particles.Type: GrantFiled: April 26, 1996Date of Patent: April 15, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventor: Timothy L. Graf
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Patent number: 5618225Abstract: The present invention relates to a method and apparatus for abrading a workpiece. The apparatus includes an abrasive tape having a microstructured surface on the back face thereof, and a support shoe having a microstructured surface on an exposed pressure face. The two microstructured surfaces intermesh and resist displacement of the abrasive tape with respect to the pressure face as the workpiece is rotatively abraded.Type: GrantFiled: June 6, 1995Date of Patent: April 8, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Robert J. Jantschek, Forrest J. Rouser, Mark L. Sterner, Theodore J. Testen
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Patent number: 5614274Abstract: A preformed self-adhering bow having a preformed bow member and at least one application band attached to the bow member. The at least one application band includes a layer of a pressure sensitive adhesive for adhering the bow to an object.Type: GrantFiled: June 6, 1996Date of Patent: March 25, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventor: Charles P. Huss
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Patent number: 5607345Abstract: A back-up pad is provided for supporting an abrasive article during abrading. The back-up pad includes a support portion, such as a polymeric backing, and an engaging portion, such as a loop material, for engaging hooking stems projecting from the abrasive article.Type: GrantFiled: January 13, 1994Date of Patent: March 4, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: John L. Barry, Donald R. Bell, Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
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Patent number: 5597677Abstract: A photoimageable element comprising: a substrate; a layer of a photosensitive composition comprising a photosensitive material coated on the substrate; and a protective overcoating comprising an oxygen barrier component and a moisture resistant component; wherein the oxygen barrier component has an oxygen permeability of no greater than about 10.sup.-14 cc(cm)/cm.sup.2 (sec)(Pa).Type: GrantFiled: November 2, 1994Date of Patent: January 28, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Steven L. Kangas, Emil D. Sprute, Dean J. Stych
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Patent number: 5563023Abstract: A photoimageable element comprising: a substrate; a layer of a photosensitive composition comprising a photosensitive material coated on the substrate; and a protective overcoating comprising an oxygen barrier polymeric material and antiblocking particulate material wherein the oxygen barrier component has an oxygen permeability of no greater than about 10.sup.-14 cc(cm)/cm.sup.2 (sec)(Pa).Type: GrantFiled: November 2, 1994Date of Patent: October 8, 1996Assignee: Minnesota Mining and Manufacturing Co.Inventors: Steven L. Kangas, Emil D. Sprute, Dean J. Stych
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Patent number: 5560989Abstract: An innerseal facing construction is disclosed which includes three layers. An induction heatable layer overlies a heat sink layer, which in turn overlies a bonding layer. The bonding layer has several strata of material of progressively higher melting points. The construction provides an innerseal facing that may be used over a broad range of induction power levels to provide progressively stronger bonding between the innerseal facing and the container.Type: GrantFiled: September 22, 1994Date of Patent: October 1, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventor: Hak-Rhim Han
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Patent number: 5554068Abstract: An abrasive flap brush including a central core, a layer of adhesive disposed on the peripheral surface of the core by a coater, and a plurality of abrasive flaps adhered to the core by the adhesive. The adhesive is uniformly distributed around the core by providing either the core or the adhesive coater with spacing projections that maintain a predetermined minimum distance between the coater and the core when the adhesive is applied. A coater including the spacing projections is also disclosed, as is a method for making an abrasive flap brush.Type: GrantFiled: December 13, 1994Date of Patent: September 10, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jeanne M. Carr, Jeffrey R. Clampitt, Dean R. Zimmerman
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Patent number: 5548934Abstract: A firestop apparatus that allows substantial longitudinal and radial movement of a pipe that extends through an opening in a partition. The firestop includes a thermal insulator assembly that surround the pipe, is positioned to slidably engage with a surface of the partition, and is sized to substantially cover the opening even when the pipe is moved to the edge of the opening. A first seal is interposed between the insulator and the pipe to permit longitudinal movement of the pipe through the insulator. A second seal is interposed between the insulator and the partition to permit radial movement of the pipe and insulator relative to the opening. A securing structure allows radial movement of the insulator relative to the opening while maintaining engagement of the insulator against the side of the partition.Type: GrantFiled: September 6, 1994Date of Patent: August 27, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventor: Ronald J. Israelson
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Patent number: 5512009Abstract: A method and apparatus is provided for reducing optical chatter for use with a machine that is adapted to perform an operation on a surface of a workpiece by bringing a rotating roller into contact with the surface as the workpiece is advanced past the roller. The roller of the machine has a central axis and is powered to rotate about the central axis. The apparatus comprises an oscillation inducing device that is operably coupled to the roller for inducing an axial oscillation in the roller. The frequency of the induced oscillation of the roller is substantially greater than the frequency of rotation of the roller. The method for reducing optical chatter comprises the step of imparting axial oscillations to the roller during rotation of the roller, the imparted oscillations being of substantially greater frequency than the frequency of rotation of the roller.Type: GrantFiled: March 1, 1994Date of Patent: April 30, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventor: Douglas E. Earl
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Patent number: 5505747Abstract: A method for making an abrasive article is disclosed, including the steps of providing a substrate having abrasive means on one surface, and providing a plurality of hooking stems on the opposite surface thereof. Several illustrative variations of the inventive method are disclosed.Type: GrantFiled: January 13, 1994Date of Patent: April 9, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
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Patent number: 5503325Abstract: A pretaped container blank which may be quickly and easily formed into a three-dimensional container without the need for additional components or tools. The container blank includes (i) a plurality of interconnected panels, and (ii) a plurality of closure flaps including a carrier flap hingedly connected to at least one of the panels. The tape structure is attached to the container blank and includes (i) a release surface on the carrier flap, and (ii) a length of closure adhesive tape extending over substantially the entire length of the release surface and a distance across the panel or flap to which the carrier flap is connected sufficient for the tape to remain attached to the container blank upon removal of that length of the tape from the release surface. Several embodiments of container blanks and tape structures are disclosed.Type: GrantFiled: October 7, 1994Date of Patent: April 2, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Thomas L. Nelson, Eugene L. Baratto, John R. David, Curtis L. Larson, Norbert E. Wrobel
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Patent number: 5502937Abstract: Flexible composite materials which are suitable for use as fire barriers for either static or dynamic joints are cost effective and easy to install. In one preferred embodiment the flexible composite includes (a) a first layer material having first and second major surfaces, the first layer material including inorganic fibers and a binder in the form of a flexible mat; (b) a second layer material adhered to the first major surface of the first layer material, the second layer material consisting essentially of metal foil, the second layer material having a melting temperature of at least about 350.degree. C.; and (c) a third layer adhered to the second major surface of the first layer material, the third layer material including an intumescent fire retardant composite material.Type: GrantFiled: November 23, 1993Date of Patent: April 2, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventor: Vernon H. Wilson
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Patent number: 5495410Abstract: A lead-through robot programming system for programming a robot to drive an end effector through a series of desired path points along a desired path with respect to a workstation. The system includes a six DOF digitizing arm having a working end, an end effector model mounted to the working end, a workstation model, and a programming computer system. A user manipulates the working end to move the end effector model through a model path with respect to the workstation model. At selected model path points, the digitizing arm generates model path point data representing the position and orientation of the end effector model with respect to the workstation model. The programming computer system includes a video monitor, a user interface, and memory for storing data including the model path point data, robot simulation and motion program generation software, and models of the robot, workstation and end effector.Type: GrantFiled: August 12, 1994Date of Patent: February 27, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventor: Timothy L. Graf
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Patent number: D378003Type: GrantFiled: November 16, 1995Date of Patent: February 11, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Marcus L. Eichinger, David E. Johnson
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Patent number: D378004Type: GrantFiled: November 16, 1995Date of Patent: February 11, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Dennis W. Wilson, David E. Johnson
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Patent number: D381139Type: GrantFiled: April 28, 1995Date of Patent: July 15, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: David E. Johnson, Richard M. Pihl, David C. Roeker