Patents Examined by Alain Bashore
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Patent number: 4932352Abstract: The invention provides a method and device for impregnating at least one elongate element by transferring a thermostabilizable substance from a supply station by means of a supply means, the element being moved in front of the transfer means which includes a mobile surface passing in front of the station then in front of the element, the substance being deposited on the surface in said station and being transferred therefrom at least partially onto the element in a zone close thereto, wherein the transfer means includes thermoregulation means such as heating means, adapted so that the temperature at the surface in the impregnation zone is substantially higher than that of the substance in said supply station.Type: GrantFiled: March 8, 1988Date of Patent: June 12, 1990Assignee: Institut Francais du PetroleInventors: Michel Huvey, Lucien Montabord
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Patent number: 4930437Abstract: Formed on the doctor element, between a chamber mouth and the paper web respectively the backing roll supporting it, is an application space which relative to the doctor element, that is, on the entrance side of the paper web, is defined by a baffle plate and kept at a pressure which exceeds atmospheric pressure. Between the baffle plate, this application space 2 is subdivided toward the doctor element (coating blade) 1, creating between the end of the vane 2 and the coating blade 1 a gap whose width ranges between 4 mm and 10 mm. This makes it possible to produce a flawless coating application also in the case of very light basis application weights.Type: GrantFiled: May 4, 1989Date of Patent: June 5, 1990Assignee: J.M. Voith GmbHInventor: Martin Eckhard
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Patent number: 4930439Abstract: An apparatus for treating a sample comprises an ion source for irradiating a designated area of the sample with a focused ion beam, a vessel for storing compound to be vaporized, a heater surrounding the vessel for heating the compound to vaporize the same inside the vessel to produce compound vapor, and a nozzle for directing the compound vapor in the form of a vapor stream onto the designated area of the sample being irradiated with the focused ion beam. A valve is disposed along the fluid communication path between the vessel and the nozzle and has a closed state for blocking the flow of compound vapor through the nozzle and an open state for permitting the flow of compound vapor through the nozzle. The apparatus can be used to form pattern films on substrates, to repair defects in photo-masks and X-ray masks, and to cut or connect wiring in integrated circuits.Type: GrantFiled: August 2, 1988Date of Patent: June 5, 1990Assignee: Seiko Instruments Inc.Inventors: Mitsuyoshi Sato, Takashi Kaito, Yoshitomo Nakagawa
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Patent number: 4923720Abstract: A liquid coatings application process and apparatus is provided in which supercritical fluids, such as supercritical carbon dioxide fluid, are used to reduce to application consistency viscous coatings compositions to allow for their application as liquid sprays.Type: GrantFiled: October 4, 1989Date of Patent: May 8, 1990Assignee: Union Carbide Chemicals and Plastics Company Inc.Inventors: Chinsoo Lee, Kenneth L. Hoy, Marc D. Donohue
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Patent number: 4921732Abstract: A railroad tie service vehicle includes a chassis system, a drive system and an application system. The chassis system includes front and back ends, opposite sides and a deck. The drive system includes an engine mounted on the chassis deck, front and back pairs of wheels and a pair of drive track assemblies mounted on the chassis front and back ends. The application system includes an actuating subassembly for selectively engaging railroad ties and a sprayer subassembly for spraying preservative on railroad ties in response to engagement by the actuating subassembly. A method of servicing railroad ties includes the steps of removing a rail from one side of a railroad track, exposing connection areas where the rail attaches to the railroad ties, driving a vehicle with preservative along the railroad track and applying preservative to the connection areas in response to engagement of the railroad tracks by an actuating subassembly.Type: GrantFiled: May 31, 1988Date of Patent: May 1, 1990Assignee: Herzog Contracting CorporationInventor: Ivan E. Bounds
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Patent number: 4919072Abstract: An application apparatus for applying a flowable coating mass, in particular a hot-melt adhesive, to the surface of a substrate comprises a housing for a reservoir for the coating mass, a heating means for heating the coating mass and a conveying means for supplying the heated coating mass via a line from the reservoir to an application head. As a separate unit with a closed housing control means is provided which guided on rails is detachably secured to the housing. The electrical control means is connected via an arrestable electrical plug-type connection to the housing.Type: GrantFiled: February 6, 1989Date of Patent: April 24, 1990Assignee: Nordson CorporationInventor: Henning J. Claasen
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Patent number: 4915057Abstract: An apparatus and method for registration or alignment of thin film structure patterns on a substrate formed with the use of an apertured mask in a vacuum deposition system. On particular the alignment apparatus is comprised of a mask holder assembly, which supports the apertured mask, and a substrate carrier which engages with the holder assembly. Upon placing the engaged alignment apparatus in a a deposition chamber, a magnet is positioned adjacent the holder assembly in order to formly hold the apertured mask against a substrate prior to vacuum to deposition. Upon depositing the pattern material, the magnet and holder assembly are disengaged, resulting in a pattern of thin film structures remaining on the substrate. The present invention is effective for remotely operating automatic masking systems where there is a need to eliminate the need for breaking vacuum in a deposition system.Type: GrantFiled: November 14, 1986Date of Patent: April 10, 1990Assignee: GTE Products CorporationInventors: Robert A. Boudreau, Robert J. Wilkie
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Patent number: 4915989Abstract: A pressure saturator system includes a grooved mandrel and an opposed element which define a converging chamber therebetween. A web is passed through the chamber with a first side of the web adjacent the mandrel. A liquid saturant is introduced into the chamber such that the saturant contacts the second side of the web and impregnates the web as the web passes through the chamber. A gas receiving belt is passed through the chamber with the belt interposed between the web and the mandrel and in contact with the first side of the web. The belt receives gases and any excess saturant form the first side of the web as the saturant enters the web in the chamber, thereby facilitating the removal of gases from the web, improving the saturation process, and protecting the mandrel from undesired contact with the saturant. In alternate embodiments the betls is formed of a porous material or defines an array of gas receiving slots positioned against the first side of the web.Type: GrantFiled: September 12, 1988Date of Patent: April 10, 1990Assignee: Miply Equipment, Inc.Inventors: Howard K. Menser, Eliot R. Long
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Patent number: 4911097Abstract: Arrangement for the coating of a running web (2), for instance a paper, a cardboard or a like web, by means of a so-called short dwell applicator (18), in which the paste supply, the paste doctoring and levelling of the supplied coating layer are carried out in the same arrangement and the amount of the excess supplied paste is collected for a recirculation. The arrangement comprises a rear edge seal (9, 12) and fore distributor (6, 15) so arranged that the coating paste is supplied on the web there, where the last quoted arrives in the arrangement, and then the paste flows mainly in the direction (22) of the material web (2) until it meets a doctor (3). The amount of supplied paste (1) is big compared to the amount of paste, which attached and levelled follows along with the running material web (2).Type: GrantFiled: May 4, 1987Date of Patent: March 27, 1990Inventor: Yngve Fundell
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Patent number: 4911805Abstract: An apparatus for controlling a flow of fine particles is provided which comprises a convergent-divergent nozzle in a flow path of the fine particles. The nozzle may be operated under an optimum expansion condition, and the differential coefficient of the streamline at the channel inside the nozzle varies continuously and is equal to zero at a throat portion of the nozzle.Type: GrantFiled: May 21, 1987Date of Patent: March 27, 1990Assignee: Canon Kabushiki KaishaInventors: Kenji Ando, Yuji Chiba, Tatsuo Masaki, deceased, Masao Sugata, Kuniji Osabe, Osamu Kamiya
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Patent number: 4911100Abstract: A developing apparatus has a rotatable, non-magnetic sleeve positioned opposite to an electrostatic latent image-bearing member moving in one direction; a magnet member having a plurality of magnetic poles, one of which serves as a main magnetic pole positioned in a developing area, and being stationary in the sleeve; and a container for a magnetic developer which is supplied onto the sleeve, the magnet member generating near the main magnetic pole on the sleeve a magnetic attraction force having a circumferential distribution which shows (a) a minimum value F.sub.1 near the center of the main magnetic pole and (b) a maximum value F.sub.2 downstream of a position at which the image-bearing member is the closest to the sleeve, with respect to the rotational direction of the sleeve.Type: GrantFiled: March 31, 1988Date of Patent: March 27, 1990Assignee: Hitachi Metals, Ltd.Inventor: Keitaro Yamashita
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Patent number: 4911949Abstract: A method of applying a synthetic resin layer to an outer surface of a metal part, comprising heating the metal part to a temperature higher than a melting point of a synthetic resin, embedding the heated metal part within a powdered mass of the synthetic resin, thereby melting a portion of the powdered mass surrounding the outer surface of the heated melt part, holding the heated metal part within the powdered mass for a time period sufficient to permit the molten portion of the powdered mass to be coated on the outer surface of the heated metal part as the synthetic resin layer, removing the metal part coated with the synthetic resin layer from the powdered mass, and maintaining the removed metal part at a temperature higher than the melting point and lower than a thermal decomposition point of the synthetic resin, to hold the deposited resin layer in a molten state for a suitable length of time, in order to allow the escape of possibly entrapped air from the resin layer.Type: GrantFiled: August 27, 1986Date of Patent: March 27, 1990Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takahiro Iwase, Naofumi Masuda, Hiroyuki Mochizuki, Shigenori Tamaki, Nobuo Kabayashi
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Patent number: 4909185Abstract: Apparatus for heating product with the product during heating subjected to a controlled, nonatmospheric gas environment. The apparatus includes a double-walled cold zone assembly adapted to be placed against an oven opening, the assembly having a depository chamber within it for securing product during cooling of the product. A cantilever projecting through the assembly is operated to move product between the depository chamber of the assembly and the oven where heat treatment occurs.Type: GrantFiled: February 3, 1988Date of Patent: March 20, 1990Assignee: Weiss Scientific Glass Blowing Co.Inventors: Robert E. Aldridge, Bruce E. Beattie
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Patent number: 4909914Abstract: A reaction apparatus is provided which comprises a flow control system provided with a convergent-divergent nozzle. This nozzle is operated under the optimum expansion condition, and the differential coefficient of the streamline of the channel inside the nozzle varies continuously and reaches zero at a throat of the nozzle.Type: GrantFiled: May 21, 1987Date of Patent: March 20, 1990Assignee: Canon Kabushiki KaishaInventors: Yuji Chiba, Kenji Ando, Tatsuo Masaki, Masao Sugata, Kuniji Osabe, Osamu Kamiya, Hiroyuki Sugata, Toshiaki Kimura, Masahiro Haruta
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Patent number: 4909180Abstract: A rotary type electrostatic spray coating device comprising two or more side spray coating units having two or more spray heads separated from each other at a distance larger than a width of the coating pattern of each spray head, and the same negative high voltage is simultaneously applied to all of the spray heads during a spray coating operation; thus enabling a shortening of the length of the spray coating booth, improving a flatness of the paint coating on the work pieces, and completely preventing an undesirable deposition of paint mist on the spray heads.Type: GrantFiled: December 23, 1987Date of Patent: March 20, 1990Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shogo Oishi, Iwao Nomura, Kouji Ohta, Naoki Yamada, Hitoshi Takeuchi
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Patent number: 4899691Abstract: A die, preferably one with internal metering pumps for applying an extremely uniform coating to a traveling web, is mounted over a pair of very rigid side plates. Horizontal surfaces of the plates support linear slides which in turn support the die through uprights. The slides have preloaded bearings to allow a linear movement of each upright with no lost motion. Pneumatic cylinders move each upright along its slide independently of the other upright. Adjustable stops set the die-to-web spacing when the cylinders draw the uprights, and therefore the die, toward the web. Other air/hydraulic cylinders drive the uprights away from the web, against the action of the main cylinders, to jump splices in the web. The system preferably includes an outrigger arm extending from each upright to a pair of auxiliary linear slides mounted on the side face of each side plate to relieve side loading on the main linear slides.Type: GrantFiled: March 13, 1989Date of Patent: February 13, 1990Assignee: Bolton-Emerson, Inc.Inventors: John W. Fitzgerald, Jr., Donald Campbell
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Patent number: 4896625Abstract: A developing device for developing an electrostatic latent image formed on an image bearing member such as a photosensitive member for use in an electrophotographic copying machine and the like using magnetic toner particles includes a rotatable sleeve, a magnet roll disposed inside of the sleeve and a doctor blade pressed against the sleeve for charging and forming a thin film of toner particles to be used in developing the latent image. In one form, the blade is provided movably in parallel with the rotating axis of the sleeve. In another form, an electrically conductive brush is provided to remove residual charges from the sleeve after each developing operation. In a further form, the tip end of the blade is disposed between the two adjacent magnetic poles of the magnet roll. In a still further form, the blade is constructed to have a two-part structure.Type: GrantFiled: May 31, 1988Date of Patent: January 30, 1990Assignee: Ricoh Company, Ltd.Inventors: Koji Sakamoto, Toshio Kaneko, Wataru Yasuda, Fuchio Kanno
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Patent number: 4895101Abstract: A device for inserting a support holding an object into and removing said support with the object from a galvanizing bath comprises a transporting carriage and a lifting device for lifting and lowering said support. The support has outwardly extending arms engageable by the lifting elements of the lifting device. Guiding strips are provided for the lateral portions of the support to prevent its tilting during the lowering and lifting movement.Type: GrantFiled: May 2, 1988Date of Patent: January 23, 1990Assignee: Schering AktiengesellschaftInventor: Heinrich Knorr
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Patent number: 4893583Abstract: For use in spin art decorating, the stretcher is constructed with an expanse of resilient material for supportingly engaging the undersurface of a section of fabric whose outer surface is to receive the liquid coloring agent. The resilient material is suspended by a rectangular rigid frame which is provided with flanges having a series of notches selectably engageable with pins at opposite ends of a carrier arm or beam thereby enabling selection of any one of a number of points for the center of revolution when the frame and article mounted thereon is spun. The stretcher facilitates even application from squeeze bottles of the coloring agents to the garment fabric that is mounted on the stretcher, reduces vibration during spinning, eliminates coloring agent build-up at the geometric center of the stretcher, enhances drying, and yields other advantages.Type: GrantFiled: March 31, 1989Date of Patent: January 16, 1990Assignee: Artwave America, Inc.Inventor: David Jaffa
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Patent number: 4892761Abstract: Time periods required for dipping semiconductor wafers in a treatment liquid in a treatment bath and for replacing the treatment liquid etc. are previously stored in a memory. Based on these data, the expected clock time when the semiconductor wafers reach each treatment bath is calculated and the replacement of the treatment liquid and transporation of the wafers are controlled on the basis of these data and the expected clock time.Type: GrantFiled: August 4, 1988Date of Patent: January 9, 1990Assignee: Dainippon Screen Mfg. Co., Ltd.Inventor: Takuma Yamada