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| Number | Title | Issue Date |
| 7381114 | Tire uniformity machine grinding assembly A grinder assembly (10) contacts a tire (T) supported by a frame (F) relative to the tire (T). The grinder assembly (10) includes at least one section, and a vertical repositioning system (118) supporting the at least one section. The vertical r... | 06/03/2008 |
| 6875080 | Method for force correction A method for directional force correction of pneumatic tires that simultaneously corrects radial and tangential force exerted by the tire. The method allows for the correction of tangential force regardless of the rotational direction of the tire. This invention acc... | 04/05/2005 |
| 6773334 | Dust collection and removal system A dust collection and removal system for use in conjunction with a tire uniformity machine includes a grinding wheel shroud having a vacuum aperture therein. The vacuum aperture is connected to a vacuum source. An air nozzle is centrally mounted in the vacuum apertu... | 08/10/2004 |
| 6471572 | Tire resurfacing device A tire resurfacing device for raising a rear wheel of a motorcycle off of the ground and rounding the surface thereof. The tire resurfacing device includes a base portion. The base portion has a first and second portion integrally coupled together. The fi... | 10/29/2002 |
| 6386945 | Method of correcting conicity in a tire with a feedback loop A method for correcting the conicity value in a pneumatic tire with a feedback system based on the average conicity value as predicted by lateral forces measured during grinding is used in combination with correcting for lateral force variation, and/or ra... | 05/14/2002 |
| 5678963 | Method for truing sets of rail vehicle wheels by chip removal and under-floor machine for performing the method Wheels of rail vehicles are trued while the wheels are kept rotating about a wheel center of rotation that is continuously corrected to keep the center of rotation in a fixed position in response to eccentricities a wheel may have, especially in its outer... | 10/21/1997 |
| 5645465 | Method of correcting conicity, radial run out, and force variations in a pneumatic tire A method for correcting the conicity value in a pneumatic tire based on the average conicity value is used in combination with correcting for lateral force variation, and/or radial run-out variation, and/or radial force variation characteristics of a pneu... | 07/08/1997 |
| 5279076 | Tire dust removal apparatus Dust collection apparatus for collecting dust during the grinding of tires includes a collection head mounted on the end of an arm, the collection head having a series of brushes which are arranged to contact the surface of the tire in proximity to where ... | 01/18/1994 |
| 5218789 | Method for improving uniformity level of a tire A method for improving uniformity level of a tire having a plurality of projections over a surface thereof includes the steps of measuring a variation in lateral force exerted on a contact are a of the tire while the tire is rotated in at least one of a n... | 06/15/1993 |
| 5185960 | Tread buffing apparatus A method and apparatus for buffing a tread is described. The method comprises mounting a tread on an apparatus capable of bufffing the casing engaging surface of said tread, the apparatus buffing the tread such that the grooves are formed on the buffed tr... | 02/16/1993 |
| 5167094 | Method of correcting lateral force variations in a pneumatic tire A method is provided for correcting excessive lateral force variations in a pneumatic tire. The method includes the steps of indexing the tire tread into a series of circumferential increments; and obtaining a series of lateral force measurements correspo... | 12/01/1992 |
| 5103595 | Apparatus and method for reducing vibration characteristics in a wheel rim and tire assembly A combination tire and rim assembly match mounting, match grinding and balancing machine has a load roller for contacting the mounted tire periphery with a predetermined force. The displacement of the roller provides a measure of tire radial runout and ei... | 04/14/1992 |
| 5099613 | Tire uniformity correction An apparatus and method for reducing radial force variations of pneumatic tires by removing rubber in selected areas of the tire wherein a tire is rotated at a suitable high speed for nongrinding functions such as warmup and testing and the tire is rotate... | 03/31/1992 |
| 5022186 | Tire uniformity correction An apparatus and method for reducing radial force variations of pneumatic tires by removing rubber in selected areas of the tire wherein a tire is rotated at a suitable high speed for nongrinding functions such as warmup and testing and the tire is rotate... | 06/11/1991 |
| 4967820 | White sidewall radial tires and method for their manufacture A white sidewall band for radial ply tires consisting of upstanding wall areas extending axially outward from surrounding sidewall areas and having white rubber disposed radially across the width of the band and recessed axially inward from one wall area ... | 11/06/1990 |
| 4914869 | Method for correcting and buffing tires An improved apparatus and method are provided for cutting a tire surface to remove selected portions of rubber from the tire surface while the tire is rotating. The apparatus and method are especially useful in removing tread material from the tire to imp... | 04/10/1990 |
| 4486255 | Method and machine for removing at least one layer of reinforcing elements from a breaker or belt of a rubber tire This invention relates to a method and machine for removing at least one layer of reinforcing elements from a breaker or belt of a rubber tire. According to the method of the invention for removing at least one layer of reinforcing elements, such as steel cord... | 12/04/1984 |
| 4241300 | Circuit responsive to rate change in amplitude of analog electrical signal for use in tire processing apparatus An electronic circuit with an output that may be used, for example, to control a servo system which positions grinders of a tire grinding machine to correct tires with large cleats is disclosed. The electronic circuit is responsive to an analog electrical... | 12/23/1980 |
| 4173850 | Method for reducing tangential force variation in pneumatic tires A method and apparatus for reducing tangential force variation in a pneumatic tire wherein the tire is mounted on a wheel rim, inflated to operating pressure, and rotated under a predetermined load against a loading drum. Force transducers on the axis of ... | 11/13/1979 |
| 4112630 | Reduction of lateral force variations of a tire effective in both forward and rearward senses of rotation Lateral force variations of a tire are reduced by detecting the variations in the conicity component of the lateral force with respect to the rotation angle in both forward and rearward rotational senses. The algebraic sum of the lateral force exerted by ... | 09/12/1978 |
| 4100702 | Fast grind fixture An indexing fixture adapted for operation with an internally held collet-receiving work piece and having means for both indexed axial rotation and indexed axial tilting in a vertical plane has certain moving parts which may be adversely affected by grindi... | 07/18/1978 |
| 4095374 | Method and apparatus for improved tire uniformity grinding and measuring A method and apparatus for determining the conicity of a tire wherein, while the tire is being corrected for radial force variation by grinding as it revolves in a first direction, the lateral thrust force of the lateral force variation is determined and ... | 06/20/1978 |
| 4084350 | Correction of rubber tires for forces generated by dynamic non-uniformities An integrated system for measuring and correcting rubber tires for forces generated by dynamic non-uniformities and for measuring and marking both sides of the tire for lack of symmetry. The force measurements are fed to a computer and the forces indicati... | 04/18/1978 |
| 4078339 | Method for correcting rubber tires for forces generated by dynamic non-uniformities An integrated system for measuring and correcting rubber tires for forces generated by dynamic non-uniformities and for measuring and marking both sides of the tire for lack of symmetry. The force measurements are fed to a computer and the forces indicati... | 03/14/1978 |
| 4071979 | Sensor shoe for tire grinding machine A pivotable sensor shoe in a tire grinding machine for tracking the tread surface of a pneumatic tire. The sensor shoe comprises a pivot point and a curved tracking surface. The tracking surface includes a minimum length long enough to provide point conta... | 02/07/1978 |
| 4047338 | Method and apparatus for reducing lateral force variations and overturning moment variations in pneumatic tires A method and apparatus for reducing lateral force variations and overturning moment variations in pneumatic tires by detecting the magnitude, direction and location of such variations and alternatingly grinding off opposite portions of the two shoulders o... | 09/13/1977 |
| 4041647 | Apparatus for improving tire uniformity A method and apparatus for improving tire uniformity with respect to radial force variation and free radial run-out is disclosed. The method comprises continuously rotating the tire about its own rotational axis under a constant normal load, measuring the... | 08/16/1977 |
| 4036677 | Machine for treating worn out pneumatic tires and for applying a pre-molded tread ring A machine for retreading worn-out pneumatic tires comprises a chuck which is adapted to support a tire to be retreaded, an arrangement for rotating the tire, a peeling arrangement for removing the worn-out tread, a finishing arrangement for preparing the ... | 07/19/1977 |
| 4036275 | Tire stripping apparatus An apparatus for stripping tread from a tire in preparation for tire retreading operations includes a hollow, generally cylindrical cutter which is mounted for rotation with a sharpened cutting edge of the cutter disposed adjacent the surface of a rotatin... | 07/19/1977 |
| 4016020 | System for measuring and correcting vibrations generated in vehicular tires An integrated system for eliminating the vibrations generated in vehicular tires under cruising speed conditions by correcting the tire both for peripheral non-uniformities and for lack of symmetry. The system includes means for revolving the tire being c... | 04/05/1977 |
| 4014139 | Wheel balance and truing machine A wheel-balance machine is provided in which a wheel and tire combination is mounted on a rotatable hub. The hub may be adjusted to be freely rotatable so as to determine and compensate for static unbalances of the tire/wheel combination, and it may be co... | 03/29/1977 |
| 3963427 | Method for improving tire uniformity A method and apparatus for improving tire uniformity with respect to radial force variation and free radial run-out is disclosed. The method comprises continuously rotating the tire about its own rotational axis under a constant normal load, measuring the... | 06/15/1976 |
| 3953942 | Apparatus for grinding inner surface of a vehicle tire In order to grind the inner surface of a vehicle tire together with a mold releasing agent for amending an unbalanced portion on the tire and scars on the inner surface of the tire, a grinding apparatus is operated in an automated fashion and comprises a ... | 05/04/1976 |
| 3951563 | Manufacture of vehicle disc wheels A method of truing a spigot located disc wheel comprising clamping the wheel between two adaptors, rotating the wheel, measuring the radial displacements at each bead seat, and operating a borer in response to the displacements to bore a central spigot ho... | 04/20/1976 |
| 3946527 | Lateral force variation correction of pneumatic tires A method of reducing the lateral force variation exerted by a rotating pneumatic tire on its supporting surface, which method comprises mounting the tire on a rotatable rim, inflating the tire to a preselected pressure, urging the tire against a load roll... | 03/30/1976 |
| 3943665 | Apparatus for profile grinding closed curved surface In an apparatus for profile grinding a closed curved surface such as a trochoidal curved surface of the type wherein the attitude of a worktable which supports a workpiece is profile controlled in accordance with a master profile corresponding to the clos... | 03/16/1976 |
| 3932965 | Method for tire tread finishing The surface appearance of a tire tread finished by grinding to alleviate force variations in the tire is improved by reversing the grinding mode of one of the usual two grinding wheels. The effect is particularly useful in tires having large open block pa... | 01/20/1976 |
