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method and apparatus for grinding rubber

US6425540B1 Method and apparatus for grinding rubber

A rubber grinding machine and method is provided for ambient temperature grinding of rubber material to form finely ground rubber particles. The rubber grinding machine includes a feed tube, a grinding module, a conveyor, a screening module and a vacuum system. Rubber material is placed in the feed tube which advances the rubber material into the grinding module using a plunger or auger.

Method and apparatus for grinding rubber MORRIS

6. A rubber grinding apparatus according to claim 5 wherein said vacuum system is a cyclone system. 7. A rubber grinding apparatus according to claim 1 wherein said feeder includes a feed tube. 8. A rubber grinding apparatus according to claim 7 wherein said feed tube includes a plunger for forcing rubber material against said grinding wheel. 9.

US20120267459A1 Method and apparatus for rubber grinding

A method and system are presented for grinding and reclaiming of polymer material such as a rubber. The apparatus comprising a stator ( 4 ) and a rotor ( 2 ) in near face-to-face relationship with each other forming an operating zone for rubber grinding and reclaiming therebetween. The stator ( 4 ) has a substantially flat smooth face surface and the rotor ( 2 ) has a concave face surface with

NEW Patent CD for Method and apparatus for grinding rubber

CD of information on Method and apparatus for grinding rubber Includes drawings, schematics, diagrams and other illustrations of patented technology Excellent for researchers, hobbyists, students, teachers, librarians, scientists & engineers and more particularly to a process and apparatus for grinding rubber or similar material. The rubber

Method and apparatus for grinding KEYSTONE GRINDER &

Method and apparatus for grinding . United States Patent 2096424 . Abstract: My invention relates to grinding and, in par ticular, to. the provision of a smooth surface upoi articles such as railroad rails, which are subjec to severe wear resulting in the formation of de. fects on the wearing surface. It has been the practice heretofore to

Apparatus and method for grinding sidewall areas of tires

Therefore, the need exists for an improved sidewall grinding apparatus and method which eliminates the reliance on the skill of the operator for achieving a satisfactory and accurate removal of the covering material and a portion of the underlying sidewall material which usually will be a contrasting color to the black rubber of the sidewall

Apparatus and method for on-site dressing and truing of

An apparatus and method for on-site dressing and truing of rubber-covered cylinders mounted within sanding machines. The grinding apparatus comprises a base having a pneumatic cylinder mounted thereon for imparting oscillating or reciprocating movement to an abrasive plate which extends back and forth along the length of the rubber-covered cylinder during the dressing and truing procedure.

Tread edge grinding method and apparatus The Goodyear

1993-1-21  The preferred method comprises mounting a winged tread on an apparatus (10) capable of grinding the wing tip of the tread, the apparatus (10) buffing the tread wing (108) such that the wing tip (110) is ground along axially inner and outer surfaces (112,114) a radial distance of at least 5 mm about the circumferential extent of the wing, wherein the inner and outer surfaces (112,114) of the wing tip

Method and apparatus for processing tires to reclaim

A method and apparatus for separating and recovering rubber, fiber, and steel from tires cryogenically cools and grinds tire rubber. The method reduces by 45 to 60 percent the amount of nitrogen required to cool and embrittle the rubber prior to being ground. Only the surface of the rubber is embrittled prior to grinding.

Method and apparatus for recovering elastomeric material

A method for recovering elastomeric material such as rubber from tires comprising the steps of soaking the tires in a mixture of liquids in tanks which soften the rubber, subjecting the softened tires to shear conditions in the rubber, and recovering the rubber and drying it in a drier. In this method grinding of the tire is not required.

Method and apparatus for grinding, blending, and

2003-2-14  Method and apparatus for grinding, blending, and proportioning meat, and apparatus calibration (PAT US2003124221) GARWOOD ANTHONY J M. Patent: Patent Appl. Publ. within the TVPP United States. Application: US20030368679 on 2003-02-14. Publication: 2003-07-03. Abstract. The invention relates to a method of calibrating measuring devices used

Suture needle and method of and apparatus for grinding

1992-8-6  There are disclosed a method of and apparatus for grinding an elongated material for a suture needle. An elongated grinding tape is reciprocally moved in its longitudinal direction, and simultaneously the material is pressed against the grinding tape in such a manner that the material is disposed substantially perpendicular to the longitudinal direction of the grinding tape and is inclined

Four Crussing And Grinding Apparatus For Coarse

Method And Apparatus For Grinding Rubber. 6 a rubber grinding apparatus according to claim 5 wherein said vacuum system is a cyclone system 7 a rubber grinding apparatus according to claim 1 wherein said feeder includes a feed tube 8 a rubber grinding apparatus according to claim 7 wherein said feed tube includes a plunger for forcing rubber

Method and apparatus for lapping spherical surfaces

Method and apparatus for lapping spherical surfaces. which allows processing of a spherical shape by transmitting rotation to an elastic cloth through the rubber bowl circle. Fit abrasive cloth spherical surface is achieved by using four hard rocking levers. Method for centerless circular grinding and apparatus

US Patent for Method and apparatus for grinding and

1993-3-17  An apparatus for grinding molded friction products comprises a rotary indexing table with a substantially horizontal indexing table. The table surface indexes from one indexing position to another. Tool fixtures support friction product parts to be ground on a friction surface thereof. The tool fixtures are disposed on the rotary indexing table at the indexing positions.

Method and apparatus for grinding a yarn tow Patent

1991-4-2  A description is given of a method and an apparatus for guiding a continuously moving tow in synthetic fibre manufacture. In this case, the profile (the thickness distribution and width) and the position of the tow are sensed continuously in a contactless fashion, and a

Method for automatic plastification of ground rubber and

FIELD: chemistry. SUBSTANCE: method for automatic plastification of ground rubber is carried out as follows: step 1 involves mixing ingredients: rubber wastes are ground to obtain powder with particle size of 10-40 mesh, an activator and a plasticiser are added in weight ratio: powdered rubber: activator: plasticiser = 100: 0,3-0,4 : 8-18, and then uniformly mixed; step 2 involves

Method and apparatus for cleaning rubber deposits from

A method and apparatus for cleaning rubber deposits from surfaces such as airport runways and roadways is disclosed. The apparatus includes a large vehicle that has the capacity to be loaded so as to effectively add weight to rubber cleaning tires of the vehicle. In addition, the vehicle has a water tank and sprinkler system so that the surface may be wetted down in front of the tires as the

Chapter 17: Grinding Methods and Machines Cutting

2020-6-29  Belt grinding has become an important production process, in some cases replacing conventional grinding operations such as the grinding of camshafts. Belt speeds are usually in the range of 2,500 to 6,000 ft/min. Machines for abrasive-belt operations require proper belt support and rigid construction to minimize vibration.

Standard Test Method for Measuring Abrasion Using the

2018-9-18  rubber is Durometer A-60. A range from A58 to 62 is acceptable. At least four hardness readings shall be taken on the rubber approximately 90° apart around the periphery of the wheel using a Shore A Durometer tester in accordance with Test Method D 2240. The gage readings shall be taken after a dwell time of 5 s. The recommended composition of

Four Crussing And Grinding Apparatus For Coarse

Method And Apparatus For Grinding Rubber. 6 a rubber grinding apparatus according to claim 5 wherein said vacuum system is a cyclone system 7 a rubber grinding apparatus according to claim 1 wherein said feeder includes a feed tube 8 a rubber grinding apparatus according to claim 7 wherein said feed tube includes a plunger for forcing rubber

US Patent for Method and apparatus for grinding and

1993-3-17  An apparatus for grinding molded friction products comprises a rotary indexing table with a substantially horizontal indexing table. The table surface indexes from one indexing position to another. Tool fixtures support friction product parts to be ground on a friction surface thereof. The tool fixtures are disposed on the rotary indexing table at the indexing positions.

Method and apparatus for grinding undulate cutting edges

Method and apparatus for grinding undulate cutting edges of knives in tobacco cutting machines (PAT US4557074) ELSNER UWE, KOMOSSA WERNER. HAUNI WERKE KOERBER & CO KG. Patent: United STATES Patent United States. Application: US19840630389 on 1984-07-13

Machines, Devices, or Processes for Grinding or Polishing

GRINDING METHOD AND GRINDING APPARATUS In a method for grinding a workpiece (30), a relative movement (50) of a rotational axis (42) of a rotating grinding tool (40) and the workpiece (30) is generated. The relative movement (50) is a superposition of a basic movement (52) in WO/2010/012269A3 HOLDING DEVICE FOR HOLDING A ROTOR

Method for automatic plastification of ground rubber and

FIELD: chemistry. SUBSTANCE: method for automatic plastification of ground rubber is carried out as follows: step 1 involves mixing ingredients: rubber wastes are ground to obtain powder with particle size of 10-40 mesh, an activator and a plasticiser are added in weight ratio: powdered rubber: activator: plasticiser = 100: 0,3-0,4 : 8-18, and then uniformly mixed; step 2 involves

Continuous method and apparatus for pouring, cooling, and

Continuous method and apparatus for pouring, cooling, and briquetting bitumen-rubber cements. P. G. Alekseev 1, Ya. N. Kaplunov 1, V. S. Kamolov 1, V. A. Zhukov 1, D. A. Meshcheryakov 1 & K. F. Ganin 1 Chemistry and Technology of Fuels and Oils volume 3, pages 436–437 (1967)Cite this article

Standard Test Method for Measuring Abrasion Using the

2018-9-18  rubber is Durometer A-60. A range from A58 to 62 is acceptable. At least four hardness readings shall be taken on the rubber approximately 90° apart around the periphery of the wheel using a Shore A Durometer tester in accordance with Test Method D 2240. The gage readings shall be taken after a dwell time of 5 s. The recommended composition of

Borehole survey method and apparatus for drilling

Abstract. A borehole survey method and apparatus are claimed for use in drilling substantially horizontal boreholes through a mineral deposit wherein a dip accelerometer, a roll accelerometer assembly and a fluxgate are disposed near the drill bit, which is mounted on a bent sub, and connected to a surface computation and display unit by a cable which extends through the drill string.

Standard Test Method for Measuring Rubber

2015-11-25  aged for 24 h at 100°C (212°F) in accordance with Test Method D 573 and then allowed to remain in the Standard Laboratory Atmosphere in accordance with Practice D 1349, having a 1 This test method is under the jurisdiction ofASTM Committee D-11 on Rubber and is the direct responsibility of Subcommittee D11.15 on Degradation Tests.

(PDF) A method and apparatus for determination of the

2021-5-22  A method and apparatus for determination of the ultrasonic assisted forming limit diagram May 2021 Proceedings of the Institution of Mechanical Engineers, Part C: