Patents Examined by James P. Mackey
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Patent number: 7438546Abstract: An apparatus for orienting section of a plasticized ceramic extrudate includes a marking assembly for applying an orientation reference mark to a plasticized ceramic extrudate exiting an extrusion die onto an extrudate support, and at least one extrudate-contacting deformable roller having an axis of rotation, wherein the axis of rotation is pivotable with respect to a movement of the extrudate exiting an extrusion die, and wherein the roller is adapted to contact the extrudate and correct a corkscrew deformation of the extrudate exiting the extrusion die. The apparatus also includes at least one extrudate-contacting orientation control member for correcting the orientation of a cut section of the extrudate on the extrudate support in response to a misalignment of the reference mark.Type: GrantFiled: May 22, 2007Date of Patent: October 21, 2008Assignee: Corning IncorporatedInventors: Scott L Adriaansen, Kim F Cobb-Cain, Kevin B Sterner
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Patent number: 7431581Abstract: A retaining device for an injection mold is disclosed. The retaining device has a device body which has a top surface and a bottom surface. A live bearing is mounted in the device body such that a portion of the live bearing extends above a top surface of the device body. The device is secured such that the live bearing supports movement of a first portion of the injection mold. A shoulder surface is formed where a body head portion interfaces with a body base portion. A spring is disposed around the body base portion such that a spring top is in communication with the shoulder surface, and a spring bottom extends below the bottom surface of the device body. The spring creates a “pre-load” force that will hold the slide in place. Optional washers can be added to the device to adjust the “pre-load.Type: GrantFiled: January 19, 2007Date of Patent: October 7, 2008Inventor: Anthony J. Cerniglia
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Patent number: 7387505Abstract: A side-action mechanism disclosed in the present invention includes a slide carrier, an insert core, and a core pin engaged with the slide carrier. The slide carrier has an angular slide groove perforating through the slide carrier and an opening formed and making communication between a front surface and the bottom surface with a slide way defined on its top. The insert core which is accommodated in the angular slide groove has a secured portion and an angular insert portion extending downwards from the secured portion. The core pin has a body which is small enough to be accommodated in the opening, but long enough to protrude out of the opening. The body at one end defines a pair of ears thereof for engaging with the slide way so that the core pin can slide along the slide way.Type: GrantFiled: November 24, 2006Date of Patent: June 17, 2008Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Chih-Yu Chen, Jian-Guang Huang, Yun-Ging He, Chun-Yan Wu
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Patent number: 7384258Abstract: There is disclosed a die 1 for forming a honeycomb structure comprises: a plate-like die substrate 2 having at least two surfaces 8, 9, in which back holes 3 for introducing a green material are formed in one surface 8, and slits 4 communicating with back holes 3 are formed in the other surface 9; an underlayer 5 disposed on the substrate 2 so as to coat at least a part of a portion constituting the back hole 3 and the slit 4; an intermediate layer 6 disposed so as to coat at least a part of the underlayer 5 and constituted of tungsten carbide particles whose average particle diameter is 5 ?m or less and containing W3C as a main component; and a surface layer 7 disposed so as to coat at least a part of the intermediate layer 6 and constituted of diamond and/or diamond-like carbon.Type: GrantFiled: July 6, 2005Date of Patent: June 10, 2008Assignee: NGK Insulators, Ltd.Inventors: Hiroshi Kuwahara, Susumu Matsuoka, Takao Saito
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Patent number: 7384254Abstract: A coextrusion adapter for an extrusion installation with extruders and a tool for producing a composite coextrusion structure of thermoplastic material. The coextrusion adapter has a central conduit with an end at an inlet side for connecting an extruder and an end at an outlet side for connecting the tool. The coextrusion adapter has at least one coextrusion conduit with an inlet end and an outlet end. A second extruder can be connected to the inlet end. At an end facing the outlet end the adjusting elements have a wedge-shape adjusting section with one wedge surface facing the central conduit and another wedge surface facing the outlet end of the coextrusion conduit. The adjusting section of the adjusting elements is pivotal around an axis extending over the width of the outlet end by the actuating drives. When an increase of the inside diameter of the respective transverse section of the outlet end occurs the corresponding transverse section of the central conduit is narrowed, and vice versa.Type: GrantFiled: July 22, 2005Date of Patent: June 10, 2008Assignee: Reifenhäuser GmbH & Co. MaschinenfabrikInventors: Anton Rübhausen, Peter Siebigteroth
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Patent number: 7377761Abstract: High segmenting precision can be secured at a low production cost, and the dimensions of a gap between segmented pieces can be easily controlled. A tire vulcanizing mold (1) comprising an inner peripheral shape corresponding to the surface of a tire tread portion, and configured by assembling a plurality of circumferentially segmented pieces (1A), wherein at least one of the plurality of segmented pieces (1A) has a generally round-bar-shaped pin protector (100) on an assembling face (D) between an adjoining segmented piece (1A) in a projecting manner therefrom, and the adjoining segmented piece (1A) has a depressed groove (102) of generally arcuate in cross section for fitting the pin protector (100), on an assembling face (D) between the segmented pieces (1A) to be assembled with.Type: GrantFiled: February 15, 2005Date of Patent: May 27, 2008Assignee: Bridgestone CorporationInventors: Hideaki Tanaka, Mitsuyoshi Taneoka
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Patent number: 7374419Abstract: A gating structure (13) for molding connects with a mold cavity (300). The gating structure includes a first gate (100), a second gate (200), an ejector sleeve (400) and an ejector pin (500). The second gate connects with the first gate at an angle. The ejector pin extends through the ejector sleeve. One part of the ejector pin fixes in the ejector sleeve, the other par of the ejector pin is received in the second gate.Type: GrantFiled: April 4, 2006Date of Patent: May 20, 2008Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Jeng-Chi Peng, Heng-Wei Li
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Patent number: 7371061Abstract: A die clamping system enabling reduction of the size of a tie bar withdrawing mechanism, that is, a die clamping system provided with a fixed die plate, a moveable die plate, tie bars withdrawable from the fixed die plate, moveable parts engaging with the tie bars, withdrawal cylinders moving the moveable parts provided in the moveable die plate in a withdrawing direction, and a hook system engaging the moveable parts and the tie bars. When a second coupled part and a second coupling part are coupled, a drive mechanism moves said moveable die plate to a die opening direction and afterwards releases the coupling of the second coupled part and the second coupling part. When a coupling is formed by the hook system, the withdrawal cylinders move the moveable parts to a withdrawing direction.Type: GrantFiled: September 12, 2006Date of Patent: May 13, 2008Assignee: Toshiba Kikai Kabushiki KaishaInventors: Makoto Tsuji, Toshiaki Toyoshima, Saburo Noda
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Patent number: 7371060Abstract: Disclosed is a mold attaching/detaching apparatus in a tire vulcanizer, having locking/unlocking means configured so as to perform an engagement and disengagement by utilizing the relative movement between a top plate and bottom plate of the tire vulcanizer in a horizontal direction, and capable of being inexpensively constructed by simplifying the structure and operation of the locking/unlocking means.Type: GrantFiled: April 26, 2004Date of Patent: May 13, 2008Assignee: Ichimaru Giken Co., Ltd.Inventor: Hironobu Ichimaru
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Patent number: 7367794Abstract: In a cooling roller which cools a molten resin strip discharged from a die, a temperature of a place where a resin comes into contact with the cooling roller, and that of a place where the resin is detached from the cooling roller are individually controlled. The cooling roller comprises: a non-rotatably disposed inner cylinder 11; a rotatable outer cylinder 3 disposed coaxially with the inner cylinder 11; an annular medium channel 13 formed by an outer peripheral surface of the inner cylinder 11 and an inner peripheral surface of the outer cylinder 3; a plurality of small medium channels 73, 75 divided from the medium channel 13 by a plurality of partition members 69, 71; a plurality of medium inflow ports 77, 79 disposed in a wall portion of the inner cylinder along an axis of the inner cylinder 11 so as to communicate with the respective small medium channels 73, 75; and a plurality of slit-like medium outflow ports 81, 83.Type: GrantFiled: March 10, 2006Date of Patent: May 6, 2008Assignee: Toshiba Kikai Kabushiki KaishaInventor: Takayoshi Sano
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Patent number: 7364420Abstract: Rotary press for making tablets with a rotor, which rotor exhibits a die plate and guides for the upper and lower punches, a rotor shaft and an electric drive motor, which electric drive motor rotates the rotor shaft and exhibits a runner and a stator, wherein the runner is disposed directly on the rotor shaft in a torque proof manner or is coupled coaxially with the rotor shaft in a torque proof mannerType: GrantFiled: August 15, 2005Date of Patent: April 29, 2008Assignee: Fette GmbHInventors: Peter Luneburg, Ingo Schmidt, Joachim Greve, Ulrich Arndt, Alexander Oldenburg
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Patent number: 7364679Abstract: A method of venting a rotational mold at a predetermined condition by actuating an actuating venting assembly pierces the shell of the molded article and introduces a passageway to relieve pressure during the molding cycle. The actuating venting assembly enables a tactical methodology for venting such molds.Type: GrantFiled: April 18, 2006Date of Patent: April 29, 2008Assignee: David Wolfe Design IncInventors: David Kenneth Wolfe, Douglas Edward Pryor
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Patent number: 7357631Abstract: An apparatus for placing mold charges into a mold of a compression molding machine includes at least one mold charge pick-up cup for receiving a severed charge of molten plastic, a vacuum source for applying a vacuum to the pick-up cup to retain the mold charge in the cup, and a source of gas (such as air) under pressure for periodically applying gas to the cup to release the mold charge from the cup. In one exemplary embodiment, the vacuum source applies a continuous vacuum to the cup, and the source of gas under pressure periodically applies gas to the cup to overcome the continuous vacuum at the cup. In another exemplary embodiment, vacuum and gas under pressure, are alternately applied to the cup. The vacuum source preferably includes a vacuum generator coupled to the source of gas under pressure for generating the vacuum to be applied to the cup. The vacuum source preferably includes a vacuum pump coupled to the source of gas under pressure for generating the vacuum to be applied to the cup.Type: GrantFiled: May 10, 2006Date of Patent: April 15, 2008Assignee: Owens-Illinois Closures, Inc.Inventors: Wendell D. Willingham, Daniel L. Mattice, David C. Thompson, B. Jack Rote
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Patent number: 7351055Abstract: The invention provides an injection molding machine that prevents inclination of a stationary platen by a nozzle touch force. A groove is formed in a base along the axis of injection. Protrusions are provided on both lateral sides of the stationary platen. A bottom of the stationary platen is fixed on a bottom of the groove and bottoms of the protrusions are fixed on tops of ridged formed at opposite sides of the groove. A nozzle touch force applied by a nozzle provided on the front of a screw cylinder is applied against substantially the center portion of the stationary platen.Type: GrantFiled: May 24, 2006Date of Patent: April 1, 2008Assignee: Fanuc LtdInventor: Mitsushi Yoshioka
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Patent number: 7351050Abstract: Servo side shuttle apparatus and method for a molding machine includes structure and/or steps whereby a shuttle plate is disposed adjacent at least one of a first mold half and a second mold half of the molding machine. A guidance assembly is coupled to the mold half and guides the shuttle plate linearly across a molding face of the mold half. A drive mechanism is provided to drive the shuttle plate in a linear direction. An operation structure is coupled to the shuttle plate and is configured to perform an operation on a molded article disposed either in the mold cavity or on the mold core. The operation may include removing the molded article from a mold core, applying a label to a mold cavity, and/or closing the lid of a molded article while it is resident on the mold core.Type: GrantFiled: June 5, 2006Date of Patent: April 1, 2008Assignee: Husky Injection Molding Systems Ltd.Inventors: James A. Vanderploeg, Jacek Kalemba, Nicholas Seston
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Patent number: 7351049Abstract: A toggle mechanism of an injection molding machine consists of upper and lower toggle assemblies, which are pivoted to a fixed tail support at a first end, and a movable mold support of an injection molding machine at a second end; each of the toggle assemblies has two toggles pivoted together, each of which has pivotal holes on two ends; pivotal rods are passed through corresponding pivotal holes of the toggles to pivot the toggles together; pivotal rods are used to pivot the toggle assemblies to the fixed tail support and the movable mold support; each pivotal rod has oil holes in radial and axial directions; the oil holes communicate with the pivotal holes of the toggles, and each toggle has an internal oil passage communicating with its pivotal holes; lubricating oil will circulate in the toggle mechanism after conduits and filtering barrels are connected to the pivotal rods.Type: GrantFiled: September 8, 2006Date of Patent: April 1, 2008Assignee: Hwa Chin Machinery Factory Co., Ltd.Inventor: Jui-Hsiang Wang
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Patent number: 7338269Abstract: A mold for molding a tread of rubber mix, this tread comprising a running surface delimited axially by lateral faces, this mold comprising (i) a central part for molding the running surface, movable between an open configuration allowing filling of the mold and a closed configuration allowing molding, the central part comprising at least one rib for molding a groove in the running surface; (ii) two lateral parts for molding the lateral faces, at least one of the lateral parts being axially movable relative to the central part; et (iii) at least one pin for molding a channel inside the tread, this pin being anchored in one of the lateral parts; and in which, when the mold is closed, a contact surface is formed between the pin and the rib, and the pin and/or the rib comprise a buffer made of a deformable material, deformation of which makes it possible to fill in the clearance between the pin and the rib at the contact surface when the mold is closed.Type: GrantFiled: October 4, 2006Date of Patent: March 4, 2008Assignee: Michelin Recherche et Technique S.A.Inventors: Cédric Delbet, Jean-Claude Desvignes, Robert W. Knepfle
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Patent number: 7338274Abstract: A pressing apparatus for continuous pressing of panels, which apparatus consists of two pressure chambers juxtaposed with a vertical clearance. Each of the chambers occupying a platen in a sealed sliding contact to the vertical inner side walls of the chamber. The mutual distance of the platens define the clearance. A transport band is in sliding contact to the platen of each chamber. The chambers are pressurized. The platen edges in contact with the band are provided with a seal having a protrusion directed towards the middle area of the platen, and means are provided to exert and maintain a pressure in the volume defined by the platen, the band and the seal.Type: GrantFiled: April 12, 2006Date of Patent: March 4, 2008Assignee: Raute OyjInventor: Jaakko Vilo
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Patent number: 7335009Abstract: A detachable roller mold press includes two rollers that can rotate relative to each other. The rollers are securely fastened to a predetermined location, which can drive a press mold or a knife mold plate. The roller mold press of the present invention is detachable so as to save storage space. The detachable roller mold press includes a roller mechanism, a chassis, a bottom cover and two bridges. The roller mechanism includes two rollers that can rotate relative to each other. The front and the rear portions of the chassis include an opening. The opening and the two rollers form a space for allowing a knife mold or a press mold plate to move therein. By rotating the two rollers, one can move the knife mold or the press mold plate to rapidly carve or engrave on a piece of paper or a piece of cloth.Type: GrantFiled: November 17, 2005Date of Patent: February 26, 2008Inventor: Chia Shun Lee
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Patent number: 7329110Abstract: There is provided a tire vulcanizing mold capable of smoothly and surely forming narrow-width grooves in a treading face without causing the damage, breakage and the like of projections for the formation of the grooves in a sector mold and land portions in the tread, which comprises a plurality of sector molds arranged at predetermined pitches in a circumferential direction and displacing in synchronization with each other in extension and retraction directions to conduct the vulcanization of a tire tread portion, wherein a projection for the formation of the groove formed in an inner surface of each of the sector molds is projected from the inner surface of the sector mold in a direction substantially parallel to a displacing direction of the respective sector mold.Type: GrantFiled: May 10, 2004Date of Patent: February 12, 2008Assignee: Bridgestone CorporationInventor: Naosuke Miyamae