With Discrete Nondestructible Tool-securing Means Patents (Class 451/469)
  • Patent number: 11623618
    Abstract: A vehicle washer brush panel and channel well device, and methods for manufacturing the same. The vehicle washer brush panel includes a contiguous section, elongated brush panel fingers, and partially embedded nodules. A method for manufacturing a vehicle washer brush panel includes creating a hole near an edge of a cloth brush panel, sandwiching the cloth brush panel between an upper section and a lower section of a die, aligning a mold cavity of the die with the hole, and mold-injecting an injection material through an injection orifice of the die so that the injection material fills the hole in the cloth brush panel and the mold cavity of the die. A vehicle washer channel well device includes an elongated well, a first flange, a second flange, a first elongated screw channel, and a second elongated screw channel. One or more vehicle washer channel well devices are secured to a frame.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: April 11, 2023
    Assignee: iWash Technology LLC
    Inventor: Jeff R. Fitzsimmons
  • Patent number: 10265835
    Abstract: A disclosed pipe scuffing device includes a frame and a shaft coupled to the frame and configured to rotate about a central axis. The pipe scuffing device also includes a drive motor configured to drive the rotation of the shaft. The device further includes one or more abrasive wheels disposed about the shaft and having an abrasive outer surface configured to engage an outer surface of a pipe when rotating with the shaft to remove one or more contaminants from the outer surface of the pipe.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: April 23, 2019
    Assignee: Advanced Drainage Systems Inc.
    Inventors: Nicholas James Piazza, Owen Michael Atchison, Tyler James Frost
  • Patent number: 9400077
    Abstract: The machining device is for machining the material of a pipe system that has a joint area between a pipe that has a smaller inner diameter and a pipe that has a larger inner diameter. The device has protruding parts that have been adapted to position the device inside the pipe that has the smaller diameter. A steerable actuator is adapted for removing material from the joint area and steering device for controlling the direction of the machining device in relation to the longitudinal axis of the pipe that has the smaller inner diameter while removing material from the joint area. The method is for machining material of the joint area that has a thinner and a thicker pipe.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: July 26, 2016
    Assignee: Picote Oy Ltd
    Inventor: Mika Lokkinen
  • Patent number: 8574038
    Abstract: The invention concerns a rotating sanding/grinding/polishing tool (1) provided with a number of undercut mounting grooves (5) for mounting one or more displaceable grinding elements (4), at which is provided an annular groove (8) in a plane largely perpendicularly to the rotary axis of the tool, and a ring-shaped securing means (9) provided in the groove and a resilient means (11) along the periphery of the rotating tool (1), at which the securing means (9) has one side bearing against the resilient means (11) and another side bearing against part of the grinding elements (4).
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: November 5, 2013
    Assignee: Flex Trim A/S
    Inventor: Poul Erik Jespersen
  • Patent number: 8469777
    Abstract: To provide a linear abrasive brush member, in which filament parts are hardly broken, a substrate part is excellent in deformability, and also, abrasion ability is excellent. A linear abrasive brush member comprising: an embedded core material (9); a rod-shaped substrate part (7) having opposite long-narrow upper and bottom faces; and a plurality of filament parts (8) present on the upper surface along the longitudinal direction; and the substrate part and the filament parts being integrally molded from a resin composition.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: June 25, 2013
    Assignee: 3M Innovative Properties Company
    Inventor: Naohiro Nagafuchi
  • Patent number: 7988540
    Abstract: A brush module (6) for a rotating grinding brush, said brush module comprising: an elongate body part (7); at least one abrasive cloth (9) protruding from the body part (7); a plurality of bristles (8) extending from the body part (7) essentially in the same direction as the abrasive cloth (9). The body part (7) is provided with an undercut, longitudinally extending guide (13), and at an edge the abrasive cloth (9) is provided with a protruding head (15) that is complementary with the undercut groove (13) to the effect that the undercut guide (13) and the protruding bead (15) constitute complementary mechanical interconnecting means for releasable mounting of the abrasive cloth (9) on the body part (7). The protruding bead (15) is provided on a holder (14) comprising two flaps (16, 17), between which an edge of the abrasive cloth (9) is securely clamped. Besides, use of such abrasive cloth (9) in a rotating grinding brush with or without brush module.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: August 2, 2011
    Assignee: Amanda Patent and Licensing SIA
    Inventor: Nina Himmer
  • Patent number: 7837536
    Abstract: The polishing apparatus that polishes an inner circumferential surface of a disk-shaped substrate including a portion having a hole at the center thereof, the polishing apparatus is provided with: a rotating table that holds piled workpieces in which a plurality of disk-shaped substrates are piled, a polishing brush that is inserted into a portion having the hole of the disk-shaped substrates of the piled workpieces and is rotated, a cover member that covers the piled workpieces, and a polishing-liquid flowing-in unit that flows polishing liquid into the portion having the hole of the disk-shaped substrates of the piled workpieces covered by the cover member.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: November 23, 2010
    Assignees: Showa Denko K.K., Citizen Seimitsu Co., Ltd.
    Inventors: Kazuyuki Haneda, Yosuke Sato
  • Patent number: 7806752
    Abstract: The present invention relates to a profile strip (1), preferably for a cylinder drum (5) comprising a bottom strip (3) which is designed for replaceable retention of a bottom profile (2) comprising a number of brushes (6) and a number of grinding elements (8) and where the grinding element (8) along the length of a side edge (10) is provided with an edge zone (13) without grinding effect.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: October 5, 2010
    Assignee: Flex Trim A/S
    Inventor: Poul Erik Jespersen
  • Patent number: 7794309
    Abstract: The invention relates to a polishing tool with improved handling characteristics, which produces better working results. Said tool comprises a solid polishing body (1), substantially consisting of felt, said body having numerous subdivisions (1).
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: September 14, 2010
    Assignee: Wendt Poliertechnik GmbH & Co. KG
    Inventors: Marion Wendt-Ginsberg, Frank Wendt
  • Patent number: 7485030
    Abstract: The present invention relates to a grinding element for mounting in a recess (41) in a surface of a cylindric drum (42) and including a retainer means (2) designed with outer sidewalls that are complementary to sidewalls of the recess (41), where a squeezing force (F) on the sidewalls of the retainer means (2) arises in a situation of use by rotation of the cylindric drum (42), where the retainer means (2) includes at least one groove (5) for securing a grinding means (1), the groove (5) extending from an outwards facing side of the retainer means (2) and inwards and forming at least one elastic, pliable flap which is disposed between the said groove (5) and at least one of the outer sidewalls wherein the grinding means (1) for accommodation in the groove (5) in the retainer means (2) comprises a mounting means (3) having a socket section (3b) with a shape complementary to the groove (5) in the retainer means (2).
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: February 3, 2009
    Inventor: Poul Erik Jespersen
  • Publication number: 20080287045
    Abstract: A low-stress polishing device includes a base; a plurality of actuators mounted to the base and spaced from each other in a predetermined interval, each of the actuators having a drive shaft and a buffer spring connected with the drive shaft for providing the drive shaft with a predetermined impulsive pressure, each of the drive shafts having a buffer pad located at a distal end thereof; at least one drive circuit electrically connected with the actuators for control of driving the actuators; a working plate mounted to the buffer pads; and a polishing pad mounted to the working plate. Accordingly, the vibration mode generated by the present invention can provide a dynamic pressure working on the wafer surface for destroying the chemical product on the wafer surface and thus the present invention is applicable to polishing of low-dielectric integrated copper process.
    Type: Application
    Filed: February 21, 2008
    Publication date: November 20, 2008
    Applicant: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Meng-Shiun Tsai, Yeau-Ren Jeng
  • Patent number: 7351132
    Abstract: A flap wheel (1) for satin finishing systems for pipes or for sheet metal, includes a plurality of radial flaps (2) fixed to the hub (3) of the flap wheel (1) by coupling elements integral with the hub (3) of the flap wheel (1) and inserted in seats (8) formed in each flap (2) near the edge (14) thereof adjacent the hub (3). The hub (3) is advantageously hollow and has, in its inside wall, annular grooves (10) which are identical and parallel each other; the flaps (2) are further connected to the hub (3) by gluing, pouring inside the hub (3) an adhesive which flows out through a plurality of rows of through holes (9) formed in the wall of the hub (3) to coinciding with the annular grooves (10). A method of producing the flap wheel is also described.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: April 1, 2008
    Assignee: Olimpia 80 S.R.L.
    Inventor: Vittorio Travini
  • Patent number: 7347771
    Abstract: A rotary finishing device including a generally circular hub having an inner periphery and an outer periphery. The outer periphery includes a plurality of slots formed thereabout, which are defined by a pair of side portions. The plurality of slots are generally uniformly spaced about the outer periphery of the hub. Each of the slots has at least one finishing sheet secured therein by an adhesive.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: March 25, 2008
    Inventors: Robert J. Wentworth, Douglas J. Calvin
  • Patent number: 7318770
    Abstract: The present invention concerns a grinding wheel (1) including a circular wheel that rotates about a central axis and with a surface (2) to which edge parts of a number of sand paper items (3) are fastened, and that the surface (2) has increasing height inwards from a periphery (6) of the surface (2), and that the sand paper items (3) have approximately the same height and are mounted mainly perpendicularly to the surface (2) of the wheel and have approximately radial extension over the greater part of the radius of the surface (2).
    Type: Grant
    Filed: April 22, 2004
    Date of Patent: January 15, 2008
    Assignee: Flex Trim A/S
    Inventor: Poul Erik Jespersen
  • Publication number: 20070275643
    Abstract: A fan-type grinding wheel which can be driven in rotation in a direction of rotation comprises, on an annular rim region of a support plate, grinding blades which are configured in the form of a triangle. The outer edge of each grinding blade defines a portion of an outer rim of a grinding blade package. The inner edge extends from an inner rim of the grinding blade package to the outer rim. The rear edge is exposed and extends in a leading manner from the inner rim to the outer rim of the grinding blade package—with respect to a direction of rotation.
    Type: Application
    Filed: May 23, 2007
    Publication date: November 29, 2007
    Applicant: August Ruggeberg GmbH & Co. KG
    Inventor: Olaf Schweitzer
  • Patent number: 7169027
    Abstract: A cylindrical drum has at its circumferential edge a number of recesses, each adapted for accommodating a replaceable grinding element including a retainer in which is mounted a sandpaper, support brushes and/or retainer brushes. The recesses in the cylindrical drum are made with side walls. The retainer is made with corresponding outer side walls. During use, by wedge action between the side walls of the recesses and the outer side walls of the retainer, a squeezing force on the side walls of the retainer directed in the circumferential direction arises. The retainer is designed with grooves for fastening at least one sandpaper, and the grooves extend from an upper side of the retainer and into the retainer for forming at least one elastic and pliable flap which is disposed between the grooves and at least one outer side wall.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: January 30, 2007
    Inventor: Poul Erik Jespersen
  • Patent number: 7056201
    Abstract: The invention concerns a cylindric drum for a sanding/polishing tool which in its drum surface is provided with a number of undercut axial grooves for mounting one or more axially displaceable sanding elements, where an annular groove has been provided either in the drum surface or a shaft perpendicularly to the rotational axis of the cylindric drum and along the periphery of either the surface of the drum or the surface of the shaft, that a stop means has been arranged for accommodation in the annular groove in an axially fixed position, where at least a part of the stop means abuts on end faces of the moldings of the sanding elements mounted in the axial undercut grooves.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: June 6, 2006
    Inventor: Poul Erik Jespersen
  • Patent number: 6949019
    Abstract: A rotary finishing device including a generally circular hub having an inner periphery and an outer periphery. The outer periphery includes a plurality of slots formed thereabout, which are defined by a pair of side portions. The plurality of slots are generally uniformly spaced about the outer periphery of the hub. Each of the slots has at least one finishing sheet secured therein by an adhesive.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: September 27, 2005
    Assignee: Belanger Industrial Products, Inc.
    Inventors: Robert J. Wentworth, Douglas J. Calvin
  • Patent number: 6912755
    Abstract: A clamping device of a rotating tool includes a first clamping plate and a second clamping plate. The first clamping plate includes a snap groove disposed at the center of the first clamping plate and having a bored hole disposed at a center of the snap groove and a plurality of first fixing grooves disposed on the circumference of the first clamping plate. The second clamping plate includes a snap protrusion disposed at the center of the second clamping plate, corresponding to the snap groove, and having a bored hole disposed at a center of the snap protrusion, and a plurality of fixing protrusions disposed on the circumference of the second clamping plate and corresponding to the first fixing grooves, wherein one of the first and second clamping plates includes a plurality of union protrusions integrally formed thereon and the other one includes a plurality of second fixing grooves corresponding to the union protrusions.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: July 5, 2005
    Inventor: Lung-Hui Chen
  • Patent number: 6869349
    Abstract: An abrading machine is disclosed for abrasion of substantially plane items by use of rotating abrading discs, which are moved simultaneously forwards and backwards transverse to the item and which preferably has downward extending abrasive lamellae. The machine also preferably includes one, typically two, opposite rotating abrading cylinders fitted with elongated abrasive elements radially mounted on the abrading cylinder and has abrasive lamellae extending outwards from the cylinder. By moving the abrading discs in a reciprocatory movement transverse to the direction of feed of the items it is achieved that traces etc. from the different abrasive properties of the abrading discs are eliminated as well as all parts of milled out areas etc. are evenly abraded, particularly if the abrading device is designed for using abrading discs with abrasive means comprising abrasive lamellae made of abrasive cloth and which extend downwards from the face of the abrading disc.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: March 22, 2005
    Assignee: Slipcon Holding International ApS
    Inventor: Poul Lundum
  • Publication number: 20040048560
    Abstract: The invention relates to a polishing tool with improved handling characteristics, which produces better working results. Said tool comprises a solid polishing body (1), substantially consisting of felt, said body having numerous subdivisions (1).
    Type: Application
    Filed: October 3, 2003
    Publication date: March 11, 2004
    Inventors: Marion Wendt-Ginsberg, Frank Wendt
  • Patent number: 6592442
    Abstract: A flap wheel includes an aluminum hub with outwardly opening peripheral slots. Flap clips also made of aluminum each holding a bundle of flaps fit snugly in the slots. The slots and clips include an elongated socket and knob construction. The socket of the slot and knob of the clip both have an arched or rounded bottom and straight parallel side walls terminating in opposed retaining keys projecting inwardly from the side walls of the slot or corresponding key ways in the clip. The outer ends of the clips include a thin wall U-shape flap bundle retention slot having a flat but skew or slanting bottom wall. The slots extend uniformly in a non-radial direction angled away from the direction of rotation. The flat but skewed bottom of the clips also slants inwardly toward the direction of rotation to position the outer edges of the flaps in the same skewed slanting direction exposing or splaying an outer edge portion of each of the faces or flat surfaces of the flaps to the work as the wheel rotates.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: July 15, 2003
    Assignee: Jason Incorporated
    Inventor: Craig R. Hoffheimer
  • Patent number: 6471575
    Abstract: A brush element U includes an assembly of annular disks 2 joined together as arranged side by side. Each disk has polishing bristles or cleaning yarns 1 implanted in its outer periphery. The brush elements U are arranged side by side around a shaft 3. The brush element U is engageable with the shaft 3 by keyways 5 formed in both a peripheral surface of the shaft 3 and an inner peripheral surface of the brush element U and by sunk keys 4 fitted in the respective keyways 5. The sunk keys 4 have a length not larger than the length of the brush elements U, and each of the sunk keys 4 is expandable or contractable widthwise and tightly engageable in the keyway 5 when being expanded. The sunk key 4 is disengageable therefrom when being contracted. The sunk key 4 is prevented from slipping out of the keyway 5 by a retainer C when being contracted and fitted in the keyway 5. The brush roll and brush elements thereof are useful for grinding, polishing cleaning or otherwise treating steel sheets, plates, or strips.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: October 29, 2002
    Assignee: Hotani Co., Ltd.
    Inventor: Setsuo Hotani
  • Patent number: 6309291
    Abstract: A brush cutter adapted to be driven in rotary motion by a conventional machine tool. The brush cutter includes an annular wall having a cylindrical outer surface defining a longitudinal center axis. Front and rear faces are connected to opposing ends of the cylindrical outer surface. An arbor bore and a counterbore are concentrically disposed and coaxially aligned with the center axis. A plurality of brush assemblies are received within a plurality of circumferentially spaced axial and radial receiving bores. The axial receiving bores extend axially inwardly from the front face and the radial receiving bores extend radially inwardly from the cylindrical outer surface.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: October 30, 2001
    Inventor: Bill Robertson Cox
  • Patent number: 6217431
    Abstract: A sanding brush assembly, includes a metallic base body formed with a plurality of grooves in spaced-apart disposition about its circumference or formed on its end face. Detachably received in form-fitting or force-fitting engagement in each of the grooves is a clamping element which supports a strip brush carrying an array of bristles. Disposed between successive strip brushes and supported by the strip brushes are respective sanding segments, whereby each sanding segment is mounted together with the associated clamping element of the strip brush by a flexible footing in the pertaining groove.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: April 17, 2001
    Assignee: Arminius-Schleifmittel GmbH
    Inventor: Manfred Brinkmann
  • Patent number: 5649857
    Abstract: A laminated abrasive wheel comprises a central carrying member having two holding flanges between which abrasive laminae assembled to form stacks of abrasive laminae are arranged. On the holding flanges there are fastened respectively alternating studs which are pushed between the stacks of abrasive laminae and which serve to hold them under friction. At the same time, the holding flanges are also connected to the stacks of abrasive laminae to form a unit.
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: July 22, 1997
    Assignee: August Ruggeberg
    Inventors: Rolf Suhrheinrich, Hermann Hardenbicker, Norbert Klein
  • Patent number: 5554068
    Abstract: 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: Grant
    Filed: December 13, 1994
    Date of Patent: September 10, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jeanne M. Carr, Jeffrey R. Clampitt, Dean R. Zimmerman
  • Patent number: 5527213
    Abstract: An elongated narrow and rather thin honing tool is made from a somewhat soft metal or plastic cup holder. A tightly packed bundle of abrasive containing plastic monofilaments is inserted to the bottom of the cup holder and the cup rim is swaged inwardly to girdle and grip the bundle holding the bundle in the cup holder. The projecting tightly packed tips of the monofilaments form the working face of the honing tool. The preferred plastic for the monofilaments is nylon and the preferred transverse sectional shape of such monofilaments is rectangular, although other plastics and shapes may be used. Several methods for forming the tool are disclosed which include an insertion step followed by a swaging step. The bottom of the cup may be slightly arcuate to impart a curved working face to the bundle. The bundle may be cut or trimmed before or after insertion.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: June 18, 1996
    Assignee: Jason, Inc.
    Inventors: James B. Tyler, R. Brown Warner, Joseph P. Gaser
  • Patent number: 5461745
    Abstract: A motor vehicle washing apparatus having a brush assembly and curtain assembly for prolonging the life of the brush assembly and the curtain assembly by adjusting the length of elements of each when wear occurs. The brush assembly includes a plurality of brush elements mounted on a rotatable drum by connectors which are removably received in channels on the outer surface of the drum. The connectors engage selected slots of a plurality of slots in the brush elements to allow for selectively and incrementally adjusting the position of a free end of each brush element. In a similar fashion, the curtain assembly has a plurality of curtain elements mounted on a support rod or on an oscillating semicircular drum. The curtain elements each have a plurality of slots therein for accommodating self-orienting removable locking fasteners permitting selective and incremental adjusting of the position of a free end of each curtain element.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: October 31, 1995
    Assignee: Advance Car Wash Equipment, Inc.
    Inventor: Frank J. Nittoli
  • Patent number: 5423718
    Abstract: A plastic strap or tape having granular abrasive embedded homogeneously throughout is cut, shaped and formed into a variety of abrasive finishing tools. The plastic working element is preferably rather stiff 6/12 nylon and contains about 30 to 45% by weight of abrasive material. The strap or tape is formed by extrusion of such non-elastomeric plastic through a ceramic die opening and as extruded has an indefinite length in the machine direction, a controlled uniform thickness, and a width which is approximately 5 to 50 times or more the thickness. A preferred width to thickness ratio is about 30:1, or about 3 cm to 1 mm. The strap or tape may be cut to the desired length and partially embossed, serrated or scored either lengthwise or transversely to provide fracture or flex lines. The spacing of the serrations or score lines control the degree of flexibility or aggressiveness of the tool working face.
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: June 13, 1995
    Assignee: Jason, Inc.
    Inventors: James B. Tyler, Alfred F. Scheider, R. Brown Warner
  • Patent number: 5404681
    Abstract: A twisted stem helical internal abrading and finishing tool is formed from abrasive containing plastic strips having transverse offset slits along the lateral edges and a longitudinal middle unslit portion. The strips may be stacked with the longitudinal middle unslit portions aligned with the longitudinal axis of a cotter pin, one end of the stack being placed in the bight of the cotter pin. The cotter pin is twisted about its longitudinal axis to form a helical twisted stem from which the slit lateral side or edges extend forming rectangular abrasive fingers uniformly helically arranged. The end of the cotter pin opposite the bight may be inserted into the chuck of a drilling or turning machine to hold and rotate the tool about the axis of the stem.
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: April 11, 1995
    Assignee: Jason, Inc.
    Inventors: Alfred F. Scheider, R. Brown Warner