Patents Represented by Law Firm McAulay, Fields, Fisher
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Patent number: 4678459Abstract: A percutaneous discectomy system 10 includes a discectomy device 12 having a needle 16 with a port 48 and a flared cutting edge 44 which is actuated past the port 48 to sever tissue provided adjacent thereto. An irrigation device is 18 are provided for irrigating the area adjacent the tip 46 of the needle 16 to assist a vacuum device 22 in aspirating the severed tissue away from the disc. The discectomy system 10 assists in the removal of herniated disc tissue in order to relieve pressure on the nerves located adjacent thereto. In addition, the needle 16 is flexible so that it can be temporarily or permanently bent around other body tissues such as the pelvis in order to access discs which are surgically hard to reach otherwise.Type: GrantFiled: July 23, 1984Date of Patent: July 7, 1987Assignees: E-Z-EM, Inc., Surgical Dynamics, IncorporatedInventors: Gary Onik, Leonard Ginsburg
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Patent number: 4678039Abstract: A process is provided for secondary and tertiary recovery of hydrocarbon from hydrocarbon bearing formations. Apparatus for carrying out the process is also provided. Combustion products are formed in a bipropellant generator, the combustion products being at supercritical pressures and temperatures relative to steam. Water and steam are combined with the combustion gases, which may include steam, and forced through the center of a cooling jacket which is provided to cool the walls of the well bore. Chemical additives may be added to the mixture of combustion gases and steam between the bipropellant generator and well bore or below the cooling jacket.Type: GrantFiled: January 30, 1986Date of Patent: July 7, 1987Assignee: WorldTech Atlantis Inc.Inventors: Nelson Rivas, Rudi Beichel
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Patent number: 4678106Abstract: A device is provided for dispensing a mixture of propellant and product (e.g. medicament) from a pressurized aerosol container (3). The device has a housing (1) receiving the container (3), a cover (7) and an actuator lever (10) all pivotally connected to one another. The axes of pivoting are so arranged that moving the cover (7) from a closed position to an open position puts the device in a "primed" condition in which squeezing the housing (1) and actuator lever (10) together displaces the container (3) with respect to the housing (1) and thereby opens the outlet valve (4) of the container (3) to dispense mixture from the container.Type: GrantFiled: July 30, 1985Date of Patent: July 7, 1987Assignee: Glaxo Group LimitedInventors: Robert E. Newell, Paul K. Rand, Carole A. Osterweil
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Patent number: 4676395Abstract: A display and dispensing unit is provided which carries a first row of containers that are adapted to contain articles for dispensing and a second row of containers spaced above and recessed behind said first row of containers. Each of the containers is open at the bottom end and has a drawer to close the bottom end of the container. The drawer is sized to receive therein at least one of the articles stacked in the associated container, which drawer can be partially withdrawn therefrom so as to extract an article from the container. A sign is provided in relation to each container to indicate a characteristic of the articles for which the container is intended, and an explanatory panel is provided in respect of these signs.Type: GrantFiled: March 19, 1984Date of Patent: June 30, 1987Assignee: Caritas, Centrale d'Articles de MarquesInventor: Henri Croe
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Patent number: 4677278Abstract: A food vending machine comprising a store cabinet for a plurality of cooled or non-cooled dishes and a cuboid oven (40). One wall (42) of the oven (40) is provided with an inlet door (46) and another wall (43) is provided with an outlet door (47) for introducing and withdrawing a food dish (28). A first conveying means (49) serves to transfer the dish (28) from the store cabinet through the inlet door (46) into the oven (40). A second conveying means (50) serves to transfer the dish (28) through the outlet door (47) to a dispensing position. Doors (46, 47) adjoin each other over a corner of the oven (40) in order to achieve a simple sequence of motion of the different moving elements, while keeping the construction as compact as possible.Type: GrantFiled: June 23, 1986Date of Patent: June 30, 1987Assignee: Tepro Prazisionstechnik GmbHInventor: Hans Knoll
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Patent number: 4674380Abstract: An apparatus for longitudinally cutting a web into a plurality of ribbons has a plurality of blade holders mounted so that the relative spacing as well as the overall lateral position of the blades can be shifted in response to growth, shrinkage, and lateral shifting of webs, while maintaining the blades perpendicular to the direction of travel of the web. The blades are held in holders having the ends interconnected by a parallelogram linkage and clamped to a rigid bar and a flexible extensible rod.Type: GrantFiled: January 29, 1986Date of Patent: June 23, 1987Assignee: David HechtInventors: David Hecht, Steven F. Schultz
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Patent number: 4674732Abstract: A paper binding machine is disclosed. A paper receiving frame having a channel-shaped section is secured to a base in an inclined manner. A paper binder is provided at the lower end of the paper receiving frame, while a guide frame is provided at the upper end of the paper receiving frame in such a manner that the lower end of the guide frame is disposed directly on the receiving frame. The guide frame inclined at substantially the same angle as the paper receiving frame is connected to a vibrating device, and a stopper for releasing the lower end of the opening of the paper receiving frame after binding has been completed such as to be capable of being freely opened and closed.Type: GrantFiled: January 21, 1986Date of Patent: June 23, 1987Assignee: Plus CorporationInventor: Katsumi Hori
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Patent number: 4672722Abstract: A single tape fastener construction comprises an elongated tape having a plurality of alternating strips of hook and pile members. Each strip is disposed in an acute angle with respect to the longitudinal edge of the tape.A method for fabricating a closure using such tape is also disclosed.Type: GrantFiled: April 28, 1986Date of Patent: June 16, 1987Assignee: JMW TextilesInventor: Josef Malamed
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Patent number: 4672902Abstract: A pneumatically operated thread cutter includes a cutter housing with a stationary blade and a movable blade which is moved by a pneumatic motor. A cutter housing has a chamber in which the movable blade is disposed and which is connected to a venturi mechanism which is receptive of a high pressure air input for creating a suction in the cutting housing chamber to draw a loose thread into the blades for cutting same.Type: GrantFiled: July 21, 1986Date of Patent: June 16, 1987Assignee: Clinton Industries, Inc.Inventor: Sidney Michaels
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Patent number: 4672569Abstract: An electroacoustic simulation method and apparatus for imitating electroastically the human outer ear having transmission properties corresponding to those of the human outer ear when exposed to sound in the free field is proposed, wherein the physical acoustical causes of the outer ear, the head, the upper part of the body, the pinna rim, and the like, are represented mathematically by simple partial models and approximated in the form of electric circuits containing circuit elements such as high-pass filters, low-pass filters, all-pass filters . . . and the like, with the possibility to vary certain properties of the circuit elements continuously by varying the parameters so that arbitrary directions of sound incidence can be adjusted infinitely in the horizontal and median planes.Type: GrantFiled: March 25, 1985Date of Patent: June 9, 1987Assignee: Head Stereo GmbH, Kopfbezogene Aufnahme-und Weidergabetechnik & Co.Inventor: Klaus Genuit
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Patent number: 4671092Abstract: A method for hot rolling of bevel gears by infeeding a rotating gear roll die having a synchronizing member into a rotating work gear having a synchronizing member. First, the teeth of the synchronizing members are brought into engagement, and then rough forming of teeth on the work gear takes place under the action of the teeth of the gear rolling die, wherein the synchronizing member of the work gear is acting as the driving member, and finish rolling of the rolled teeth of the work gear takes place, with the rotating gear rolling die acting as the driving member.An apparatus for carrying out the above method for hot rolling of bevel gears includes a work gear spindle having its power rotation drive and a gear rolling die spindle having power drives for its rotation and axial movement, the spindles being installed in the bed at an angle with respect to each other.Type: GrantFiled: June 17, 1985Date of Patent: June 9, 1987Assignee: Nauchno-Issledovatelsky Institut Tekhnologii Avtomobilnoi PromyshlennostiInventors: Leonid F. Fomichev, Alexandr M. Gorokhovsky, Nikolai A. Romashikhin
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Patent number: 4671840Abstract: An internal lining for ducts (C) is provided by introducing into one end of the duct an assembly (E) which comprises a sleeve (5) and an inflatable system (2) and which is provided with heating means for applying a sheath (1) impregnated with a resin against the inner wall of said duct (C). After partial polymerization at least of the resin, the sheath (1) adheres to the inner wall of the duct. The system (2) is then deflated, the heating stopped and the assembly (E) withdrawn from the duct. With the length of the duct a multiple of the length (l) of an assembly (E), the operation is repeated by introducing into the duct successively a multiplicity of sheaths (1) until the inner wall of the duct (C) is provided with an internal lining over the whole of its length.Type: GrantFiled: July 27, 1984Date of Patent: June 9, 1987Assignee: Coopetanche S.A.Inventor: Alain P. Renaud
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Patent number: 4671425Abstract: A food vending machine having a selection station, a magazine for a plurality of refrigerated or unrefrigerated portioned food items, a heating apparatus, a serving station and a conveying apparatus between the magazine and reheating apparatus. The magazine is disposed in a supply cabinet (11) which is separable from a serving cabinet (12) containing the reheating apparatus, the serving station (21) and the conveying apparatus in order to improve the hygenic operation of the vending machine (10), while simultaneously reducing the refrigeration demand and increasing the serving speed.Type: GrantFiled: April 3, 1985Date of Patent: June 9, 1987Assignee: Tepro- Prazionstechnik GmbHInventor: Hans Knoll
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Patent number: 4669364Abstract: A rack-and-pinion steering gear structure for a vehicle including a rack housed within a cylinder and driven by means of a pinion shaft, comprises an annular piston received with suitable axial clearance in an annular groove defined by three surfaces, namely the end face of one end of the rack, a seating surface of a head of a bolt screwed into a boss projecting from the end of the rack, and the outer periphery of the boss itself. An elastic annular seal member is interposed between the inner periphery of the piston and the outer periphery of the boss.Type: GrantFiled: November 26, 1984Date of Patent: June 2, 1987Assignee: Atsugi Motor Parts Co., Ltd.Inventors: Shinich Komatsu, Seiji Uemura, Koichi Komatsu
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Patent number: 4670860Abstract: A memory for carrying information comprises a multilayer film having a plurality of monomolecular layers, in which each layer is capable of carrying a charge. Charges are introduced into one side of the film in a time sequence which corresponds to the information to be carried. A voltage is applied between the faces of the film to cause the charge carried by any layer to be transferred to the adjacent layer. The sequence of charges carried by the film can be read out. The charges are introduced by electrodes adjacent opposite faces of the film which apply across the film voltage pulses of an amplitude greater than that required to cause tunnelling without thermal activation between the layers of the film and at least equal to that required to cause electrons to tunnel without thermal activation from one of the electrodes to the film layer adjacent thereto.Type: GrantFiled: April 4, 1985Date of Patent: June 2, 1987Assignee: QMC Industrial Research LimitedInventor: Edward G. Wilson
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Patent number: 4670658Abstract: A multi-ply sheet having a center ply support matrix in which the radio opaque compound barium sulfate is distributed as a powder and is supported by the matrix. The barium sulfate is present in an amount sufficient to block scatter radiation produced by the medical radiology procedures. A base ply of a thin liquid impervious polyethylene material is fastened to one side of the support matrix ply. A third ply is composed of a typical absorptive surgical drape material and is fastened to the other side of the support matrix ply.Type: GrantFiled: July 2, 1985Date of Patent: June 2, 1987Assignee: E-Z-EM, Inc.Inventor: Phillip H. Meyers
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Patent number: 4664556Abstract: A method of construction is provided in which a casing or assemblage of casings which can be handled as a unit is partly immersed in water to a controlled variable depth and used to mould a self-hardenable material such as freshly mixed concrete to form a required shape while isolating it from the surrounding water. Throughout ths stage of construction hydrostatic pressure exerted by the water on the casing or casing assemblage acts in opposition to pressure exerted by the self-hardenable material or by a temporary substitute therefor, (e.g. a bontonite slurry) together with any other forces or pressures that may act. This enables casings to be used which otherwise and for construction in a dry environment would require substantial or extensive support from falsework in order to prevent fracture or undesirable deformation thereof.Type: GrantFiled: October 22, 1984Date of Patent: May 12, 1987Inventor: Richard K. Dixon
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Patent number: 4664628Abstract: An oral screening tool for use in dentistry consists of an elastic sheet pressed on three sides by an elastic two-way aspirating frame fitted to a central exhaust which includes at least one aspirator for local suction purpose. The sheet is centrally held by the tooth and, owing to its elastic nature, forms a cavity for the collection of liquids. Use of a flexible frame allows adjustment of its shape, access to the oral cavity and does not hinder breathing. The tool can be handled by a single operator and automatically performs liquid elimination.Type: GrantFiled: August 13, 1984Date of Patent: May 12, 1987Inventor: Giuseppe Totaro
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Patent number: 4663809Abstract: A method for compensation of load produced defections in a roll and a roll in which the method is applied. The roll comprises a supporting, non-rotating shaft (1) and a rotatable mantle portion (2) supported thereon by means of a plurality of bearing units (3a, 3b). The bearing units (3a) at the end portions of the shaft (1) are provided with a flexible mounting (6, 8, 9) with respect to the shaft (1) and/or the mantle portion (2). The flexible mounting (6, 8, 9) is connected to flexible elements (4) influencing the support of the mantle portion (2). The spring modulus of the flexible elements (4) is adapted to the stiffness of the shaft (1), so that, under external loading of the roll, the flexible elements (4) allow the ends of said shaft (1) to move radially relative to said mantle portion (2), but resist this movement with an elastic force being dependent on the angle of deflection of said shaft (1 ), thereby keeping the deflection of said mantle portion (2) within predetermined limits.Type: GrantFiled: April 24, 1981Date of Patent: May 12, 1987Assignee: Oy Wartsila AbInventor: Jukka Joutsjoki
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Patent number: D290201Type: GrantFiled: October 11, 1984Date of Patent: June 9, 1987Inventor: Leslie N. Wilder