Patents Examined by Frances Chin
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Patent number: 5240187Abstract: A cart-mounted or counter-top-mounted cabinet encloses a processing flask assembly located in an upwardly opening tub portion of the cabinet and which supports a drive motor below the cabinet. A blade-mounting impeller in the flask assembly is received on a motor output coupling when the flask assembly is installed in the tub. The motor, when operated, drives the blades in rotation to move and cut waste materials inserted through the open top of the flask. After a batch of waste has been processed, the flask assembly is removed from the tub and the minced and disinfected contents are dumped into suitable waste receivers with absorber material.Type: GrantFiled: May 23, 1991Date of Patent: August 31, 1993Assignee: Ecomed, Inc.Inventor: Joseph H. Wilson
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Patent number: 5240192Abstract: A cutting roll of the type with a cylindrical base member and at least one substantially axially-parallel blade attached thereto for separation of sugarcane, sweet sorghum, and the like. Grooves in the base have serrated walls engaging serrated sides of blade members, and wedging members secure the blades in proper radial adjustment in the grooves. A plurality of blade segments in each groove and a slight angling of the serrations allows blade rotation and provides a highly accurate and easily adjustable cutting roll.Type: GrantFiled: January 4, 1991Date of Patent: August 31, 1993Inventors: Sydney E. Tilby, Allan Thorn
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Patent number: 5240321Abstract: A vertical screw mixer consisting of an elongate container having a bottom, first end, a second end, and containing walls which extend between the first end and the second end. At least one opening whereby raw materials are directed into the container. A plurality of generally conical processing screws are positioned at spaced intervals between the first end and the second end. Each of the processing screws has an axis of rotation which is angularly offset from vertical by inclining the axis of rotation toward the second end of the container, such that a flow of material is promoted from the first end toward the second end. A processed material outlet is positioned adjacent the second end whereby processed material exits the container.Type: GrantFiled: September 9, 1991Date of Patent: August 31, 1993Assignee: Alteen Distributors Ltd.Inventor: Peter Miller
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Patent number: 5238194Abstract: A method for grinding fine elastomeric particles between opposed rotating grinding wheels in which a flow rate of carrier liquid is first established through the stones when closed to a desired grinding pressure, establishing a maximum flow rate of carrier liquid. A slurry to be ground is then fed into the grinding wheels at a flow rate equal to that established for the carrier liquid alone. It is found that the gap between the two grinding wheels will remain substantially constant, and the throughput rate of ground material will be optimized.Type: GrantFiled: February 10, 1992Date of Patent: August 24, 1993Inventors: Michael W. Rouse, Morgan L. White
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Patent number: 5238196Abstract: The present invention relates to provide an upright lever pressure type mill, and particularly to a mill which may enable the internal mill wheel to hold tightly against the external mill wheel to a preset pressure based on the principle of leverage in order to increase milling efficiency, reduce noise and protect mill wheels against wearing. The mill includes a powder suction/delivery device, a separation device, a milling device, a lever pressure device, a variable speed mechanism and a transmission device. The milling device includes an integrally molded external mill wheel, a centrifugal disc and a number of internal mill wheels. The spindle of the internal mill wheel has a pressure lever for mounting a tension spring and for giving necessary tensile force as required on the principle of leverage.Type: GrantFiled: September 10, 1992Date of Patent: August 24, 1993Inventor: Jin-Hong Chang
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Patent number: 5236137Abstract: An apparatus and method for cleaning and flushing a conventional garbage disposal unit. A flow restricting valve replaces a conventional valve in the water seal trap in a kitchen drain line. The flow restricting valve is actuated by a pull-push plunger from outside the pipe. To clean the garbage disposal, the valve is closed and water back flows into the disposal unit for cleaning. When the valve is opened the garbage disposal unit can be flushed. Accordingly, the garbage disposal unit is easily cleaned and flushed, eliminating undesirable odors, without the need for a plumber's intervention.Type: GrantFiled: May 29, 1992Date of Patent: August 17, 1993Inventor: Charles C. Coogan
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Patent number: 5236134Abstract: A method of recovering leaded glass from leaded glass articles such as cathode ray tubes having evaporated aluminum thereon and coatings of phosphors and sodium silicate-containing material, as well as plastic labels and adhesives and other organic films in which the articles are broken into pieces and tumbled in a diphase solution, one phase of which is a solution of an alkaline earth in water and the other phase of which is an organic solvent for a period of time sufficient to remove all coatings and materials from the glass pieces which are then ready for melting and formation of new articles.Type: GrantFiled: November 5, 1991Date of Patent: August 17, 1993Assignee: Envirocycle IncorporatedInventors: Robert J. Krawczyk, James F. Matthews, Louis J. Norman
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Patent number: 5236135Abstract: A method and apparatus for the treatment of contaminated medical waste, including solid and non-solid, potentially infectious materials, permits the collection of such medical waste at the point and at the time of its generation in a solid container, which is subsequently transported for pulverization, disinfection and safe disposal. A separate portable processing chamber, with an integral means to treat medical waste, is used at locations remote from its power unit for the collection of medical waste and then moved to the location of the power unit to drive the waste-treatment means within the chamber.Type: GrantFiled: May 19, 1992Date of Patent: August 17, 1993Assignee: ECOMED, Inc.Inventors: Joseph H. Wilson, David B. Mennel, Jeffrey C. Rapp
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Patent number: 5236756Abstract: This invention relates to a method of using sidewalls from discarded automobile, truck, and other tires to manufacture drainage culverts. It also relates to the culverts manufactured by this process, and to assembly devices useful for assembling and holding together such culverts. These culverts are made by means of a simple cutting operation which removes both sidewalls from a discarded tire. The tread portion is made available for any other desired use, and is not further involved herein. The two sidewall portions are laid flat together and drilled with holes which allows them to be mounted on parallel bars which have been welded to a circular steel base plate having roughly the same dimensions as the sidewalls. When a suitable number of sidewalls (such as about 50 to 150) have been mounted on the bars, a steel closure plate having matching holes is slid onto the bars, pressed hard against the sidewalls using a press, and welded to the protruding bars.Type: GrantFiled: April 22, 1992Date of Patent: August 17, 1993Inventor: Danny B. Halliburton
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Patent number: 5234171Abstract: An installation for crushing vehicle tires and the like and for separating the metal parts from the nonmetal parts comprises in combination: a first crusher unit (1); a first screening assembly (27) associated with said first crusher unit (1), to divide the granules into at least two groups, depending on their size; a separation section (35) to separate the metallic material from the larger granules originating from said first screening assembly (27) and to recirculate the nonmetallic material; a second crusher unit (71) which receives the granules of smaller size originating from the first screening assembly and the granules of nonmetallic material originating from said separation section (35); and downstream from said second crusher unit, a first separator means (83) to separate the metal parts from the nonmetal parts.Type: GrantFiled: May 18, 1992Date of Patent: August 10, 1993Assignee: Cisap S.p.A.Inventor: Tosco Fantacci
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Patent number: 5234172Abstract: A cutter for comminuting a moving continuous sheet or web, such as paper broke, in the dryer or converter section of a papermaking machine, includes a plurality of high pressure water jet cutting nozzles positioned in a conduit section for receiving such broke from the papermaking machine. In one embodiment the nozzles are arranged in banks positioned to impact the sheet as it passes through the conduit section, from opposite sides, and are mounted on water conduits which, in turn, are mounted for reciprocating movement and are oscillated transversely of the direction of sheet movement by a mechanical drive. The cutting jets from the high pressure nozzles impact the sheet simultaneously at opposite sides, while being reciprocated to reduce the sheet into a multiplicity of smaller discrete or easily separable pieces which fall through the bottom of the conduit section, for further processing or disposal.Type: GrantFiled: February 1, 1991Date of Patent: August 10, 1993Assignee: The Black Clawson CompanyInventors: David E. Chupka, Peter Seifert, Christopher M. Vitori
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Patent number: 5230477Abstract: A knife shaft stripping device is described, in which the stripping fingers (5) are made of plastic and are injection molded in one piece either with a housing top (7) or with a housing bottom (8), and in which supporting stays (6) are associated with the stripping fingers (5), which likewise are made of plastic and injection molded in one piece with the mating housing bottom (8) or housing top (7). Bearing surfaces (12) for the knife shafts (3) are also disposed in the housing top (7) and in the housing bottom (8), and the stripping fingers (5) and supporting stays (6) are provided with abutment surfaces (9, 10) which contact one another when the cutting mechanism (2) is assembled such that the stripping fingers (5) are supported.Type: GrantFiled: February 4, 1991Date of Patent: July 27, 1993Assignee: PBS-Servicegesellschaft mbH & Co. KGInventor: Willi Strohmeyer
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Patent number: 5230473Abstract: A means for reclaiming standard carpet by disintegrating and separating carpet into its base component materials, through a process and apparatus that, through a series of mechanical, hydraulic, fluid, heat and pressure devices, separates and segregates carpet into its principal components, i.e., secondary backing, binder, pile and primary backing.Type: GrantFiled: April 13, 1992Date of Patent: July 27, 1993Inventors: James A. E. Hagguist, Robert M. Hume
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Patent number: 5228629Abstract: The invention relates to a crushing or grinding element for drum refiners having an engine-driven rotor for the crushing or grinding of fibrous materials. The element is attachable to the rotor shell and has crushing or grinding surfaces of increasing diameter and optionally crushing or grinding surfaces of steeper inclination to the rotor axis immediately adjacent the crushing or grinding surfaces inclined to the rotor axis provided on the rotor shell. The grinding surfaces are symmetrical to the median plane of the material feed. The invention is characterized in that the crushing or grinding element(s) is (are) formed as (a) segment(s) placed around the circumference of the rotor having anchoring projections of hammerhead-like cross section on the side facing the rotor axis and which are engageable in corresponding rotor grooves of hammerhead-like cross section.Type: GrantFiled: April 1, 1992Date of Patent: July 20, 1993Inventors: Emmerich Bernhard, Johann Lileg, Johannes Kappel, Dag Bergloff, Bernhard Rebernik, Sven-Erik Henriksson
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Patent number: 5226460Abstract: A bead core for pneumatic vehicle tires, a method of producing same, and a winding reel for carrying out such a method are provided. The bead core comprises a plurality of spirally wound layers, each of which comprises load-carriers that are disposed next to one another. To increase the precision of the trueness of pneumatic vehicle tires that are provided with such bead cores, while maintaining the ability to rapidly wind such cores, each of the layers of the core has a radial dimension component that is greater than an axial dimension component thereof.Type: GrantFiled: August 16, 1991Date of Patent: July 13, 1993Assignee: Continental AktiengesellschaftInventor: Gunter Johannes
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Patent number: 5226604Abstract: The width of the clearance between a rotor with orbiting beaters and a pivotable impact plate of a machine for comminuting coal, rock, and like materials is adjusted by a computer which controls a reversible motor serving to pivot the impact plate relative to the path of orbital movement of the beaters. The computer causes the plate to pivot toward the path of the beaters when it receives a signal that the admission of material into the housing of the comminuting machine is interrupted and a converted acoustic signal denoting that the machine generates sounds which are indicative of completed evacuation of material from the housing. The direction of pivotal movement of the plate is reversed when the computer receives a series of converted acoustic signals or a single converted acoustic signal denoting that the width of the clearance has been reduced to zero, i.e., that the beaters actually strike the adjacent portion of the plate.Type: GrantFiled: December 17, 1991Date of Patent: July 13, 1993Assignee: Salzgitter Maschinenbau GmbHInventors: Klaus-Peter Seiffert, Hiep P. Hung
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Patent number: 5226607Abstract: In order in the case of a chopper for waste material and more particularly for garden waste, comprising a feed hopper and a roller-like cutting rotor arranged at a lower end of the hopper and adapted to be driven for cooperation with a stationary mating knife arrangement, to achieve quiet operation in a manner which makes the chopper easy to use and provides for a long working life, the roller-like cutting rotor is constituted by a roller-like cutting rotor whose axis extends transversely in relation to the axis of the hopper, and which bears circumferential teeth between which gaps are provided, which during operation are cleared by a clearing spud adapted to plunge into them.Type: GrantFiled: July 3, 1991Date of Patent: July 13, 1993Assignee: Lescha Maschinenfabrik GmbH & Co. KGInventor: Erwin Karg
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Patent number: 5224659Abstract: Apparatus for feeding balls to a grinding mill. The apparatus includes a downwardly inclined chute (12) adapted to receive balls from a bin or hopper, the chute for delivering the balls to the grinding mill and means (20) for sequentially feeding the balls, one-at-a-time, to the grinding mill. The feeding means includes a first actuator (22) and a second actuator (26). Each of the actuators preferably includes an extension arm (24 and 28 respectively) mounted for rotation along the longitudinal axis of the chute. The first actuator is for restraining balls from traveling down the chute and works in conjunction with the second actuator for isolating the lowermost ball in the chute to be fed next to the grinding mill. The second actuator is for releasing the isolated ball. The feeding means may include a computer controller (90) for operating each of the actuators at a predetermined time interval corresponding to the ball attrition rate of the grinding mill.Type: GrantFiled: February 21, 1992Date of Patent: July 6, 1993Assignee: Control InternationalInventor: Thomas L. Gabardi
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Patent number: 5224763Abstract: An improved method for fastening thermoplastic bristle tufts to a thermoplastic bristle carrier. The bristle carrier includes premolded holes with outwardly extending generally concentric collars to receive the bristle tufts. The bristles in each of the tufts to be secured to the carrier have their fastening ends melted and fused together to form a thickened fastening end portion. The thickened fastening end portion of each tuft has a cross-section which is no greater than the corresponding cross-section of the premolded hole and outwardly extending collar on the carrier.Type: GrantFiled: December 30, 1991Date of Patent: July 6, 1993Assignee: The Procter & Gamble CompanyInventor: Robert S. Dirksing
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Patent number: 5221055Abstract: A grinding mixer includes a casing supported on a base, an auger stirrer projected into the casing and driven to rotate on its own axis by a motor through a reducing gear set, a toothed disk having downward teeth along its circular peripheral edge in mesh with the reducing gear set, wherein rotating the motor causes the auger stirrer to revolve on its own axis, and simultaneously causes the reducing gear to carry the auger stirrer along the circular peripheral edge of the toothed disk so as to mix materials well. The auger stirrer has a unitary grinding plate on the bottom for grinding materials to powder as it is rotated to mix materials. A scraper blade is carried by the reducing gear to scrape the inside surface of the casing as the auger stirrer is rotated to grind and mix materials.Type: GrantFiled: September 9, 1992Date of Patent: June 22, 1993Inventor: Chen Y. Kuan