Patents Examined by David M. Maiorana
  • Patent number: 5547708
    Abstract: A chemical vapor deposition method for forming a deposited film on a substrate using a film-forming liquid raw material. The film-forming liquid is pulverized into liquid fine particles which are heated together with a gas to produce a film-forming raw material gas. The film-forming raw material gas is introduced into a reaction chamber where it chemically reacts with a surface of a substrate which is present in the reaction chamber.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: August 20, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuo Asaba, Kenji Makino
  • Patent number: 5543181
    Abstract: A process is described for defined impregnation of honeycomb structures and a device for performing the process. The impregnating solutions are sprayed directly into the flow channels in the honeycomb structure using hollow injector needles.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: August 6, 1996
    Assignee: Degussa Aktiengesellschaft
    Inventors: Edmund Fehn, Felix Schmidt, Joerg Plessow
  • Patent number: 5534291
    Abstract: A process for producing a powdery ammonium polyphosphate which is uniformly coated with melamine is provided wherein melamine is sublimated and added and/or adhered onto the particle surface of a powdery ammonium polyphosphate.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: July 9, 1996
    Assignee: Chisso Corporation
    Inventors: Chikashi Fukumura, Masuo Iwata, Noriaki Narita, Kouji Inoue, Ryoji Takahashi
  • Patent number: 5534314
    Abstract: A process for vapor depositing an evaporant onto a substrate is provided which involves:presenting the substrate to a deposition chamber, wherein the deposition chamber has an operating pressure of from 0.001 Torr to atmospheric pressure and has coupled thereto a carrier gas stream generator and an electron beam gun capable of providing an electron beam at the operating pressure and contains an evaporant source;impinging the evaporant source with the electron beam to generate the evaporant;entraining the evaporant in the carrier gas stream; andcoating the substrate with the carrier gas stream which contains the entrained evaporant, and an apparatus for performing the process.
    Type: Grant
    Filed: August 31, 1994
    Date of Patent: July 9, 1996
    Assignee: University of Virginia Patent Foundation
    Inventors: Haydn N. G. Wadley, James F. Groves
  • Patent number: 5534307
    Abstract: A method of impregnating with resin a frictional plate for power transmission built into a brake pad or clutch facing. The frictional plate or work comprises a metallic base plate joined to a fiber based substrate containing friction increasing material. The resin impregnating method comprises moving a work in a predetermined direction while ejecting resin from at least one nozzle, spaced at a predetermined distance from the work, and moving in a direction transverse to the direction of movement of the work. The resin impregnated into the fiber based substrate of the work is dried by utilizing the air flow generated by the movement of the work.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: July 9, 1996
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Hiroshi Hikita, Tetsuo Kohriyama, Yutaka Nozawa, Yoshito Sugino
  • Patent number: 5534300
    Abstract: The high temperature coating for the protection of ceramic materials, in particular porous ones, from erosion and chemical and/or mechanical failure according to the invention comprises a barrier (primer) layer and an emissivity glaze (topcoat) layer, with the following weight compositions:barrier layer:silicon tetraboride (with over 96 weight % of SiB.sub.4): 0.1 to 10%;quartz glass: 90 to 99.9%; emissivity glaze layer:silicon tetraboride (with over 96 weight % of SiB.sub.4): 1.5 to 5.0%;high silica glass: 95 to 98.5%.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: July 9, 1996
    Assignees: Aerospatiale Societe Nationale Industrielle, VIAM-All Russian Institut of Aviation Materials
    Inventors: Stanislav S. Solntsev, Vladimir M. Tjurin, Natalia V. Izaeva, Alexei Y. Bersenev, Galina A. Solovjeva
  • Patent number: 5529804
    Abstract: A process for the production of hard materials wherein hard constituent powders are coated with cobalt and/or nickel metal in solution by reducing the metals from a suitable compound such as an oxide, hydroxide or salt with a polyol while keeping the powder in suspension. The polyol functions both as a solvent and a reducing agent at the same time and is present in an amount of at least 5 times more moles polyol than moles metal. There is obtained an even distribution of the cobalt and/or nickel over the surface of the hard constituent powder without the formation of islands of pure metal.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: June 25, 1996
    Assignees: Sandvik AB, Eurotungstene Poudres S.A.
    Inventors: Maxime Bonneau, Nicolas Chardon, Sara Andersson, Mamoun Muhammed
  • Patent number: 5527561
    Abstract: To fill a hole or trench structure in an article, such as a semiconductor wafer, a layer is formed on the article. The layer extends over the structure so as to seal the mouth thereof. Then, the wafer and layer are subject to elevated pressure and elevated temperature such as to cause material of the layer to flow into the structure.
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: June 18, 1996
    Assignee: Electrotech Limited
    Inventor: Christopher D. Dobson
  • Patent number: 5527562
    Abstract: A novel polymer-coated reflector aluminum is coated with an aromatic polysiloxane liquid coating solution polymerized to have non-linear, ladder silicon to oxygen bonding. A metal layer or substrate coated with the aromatic polysiloxane liquid polymer provides enhanced planarization and total reflectivity. The novel aromatic polysiloxane liquid polymer-coated metal preferably includes a non-linear, ladder aromatic polysiloxane polymer-coated aluminum metal sheet such as provided by polyphenylsiloxane polymer having the general formula R.sub.n SiO.sub.(4-n)/2, wherein R comprises phenyl radical, and n has an average value of about 0.95 to 1.05.
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: June 18, 1996
    Assignee: Aluminum Company of America
    Inventors: Willy M. Balaba, Frank A. Mozelewski
  • Patent number: 5522930
    Abstract: The invention is a method and device for sealing leaks remotely by means of injecting a previously prepared aerosol into the enclosure being sealed. Specifically the invention is a method and device for preparing, transporting, and depositing and solid phase aerosol to the interior surface of the enclosure.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: June 4, 1996
    Assignee: The Regents, University of California
    Inventors: Mark P. Modera, Francois R. Carrie
  • Patent number: 5520963
    Abstract: This invention relates to a coating composition having a low concentration of cellulose acetate butyrate so as to minimize the formation of defects in the coating when dried and particularly relates to a urethane paint for spraying having cellulose acetate butyrate with a concentration between 0.1 and 2% by weight of the total solids in the ready-to-spray paint. A method of spraying an article with urethane paint is also described which comprises the steps of: adding cellulose acetate butyrate to urethane paint, and spraying an article, where the concentration of cellulose acetate butyrate is selected to have a concentration between 0.1 to 2.0% by weight of the total solids in said paint ready for spraying.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: May 28, 1996
    Assignee: DuPont Canada, Inc.
    Inventor: Tong Z. Liu
  • Patent number: 5520951
    Abstract: In a sealant applying apparatus, a three-axis orthogonal type robot is installed at any location, and the three-axis orthogonal type robot is provided with an X axis arm, a Y axis arm and a Z axis arm. The Z axis arm has fixed thereto a reversing unit inclinable about the axis thereof. A workpiece is fixed to the reversing unit, and the surface of the workpiece to which a sealant is to be applied can be made substantially horizontal by the driving of the reversing unit. A sealant discharging apparatus is provided in such a manner that a discharge nozzle is positioned above the workpiece, and the sealant discharging apparatus is fixed by a support arm.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: May 28, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventor: Masateru Yasuhara
  • Patent number: 5518761
    Abstract: An absorbent material is provided which enjoys suppleness, possesses highly satisfactory absorption qualities (speed of absorption and capacity for absorption), allows section into pieces of desired size and shape, and excels in safety.An absorbent material comprising 100 parts by weight of absorbent resin particles and 15 to 150 parts by weight of water, which absorbent material is in the form of a sheet having a thickness in the approximate range of 0.3 to 5 mm, the form of a sheet resulting from mutual adhesion of the absorbent resin particles.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: May 21, 1996
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Takumi Hatsuda, Kazumasa Konishi
  • Patent number: 5518776
    Abstract: A thin film of strontium titanate is formed on a substrate by immersing a substrate in an aqueous solution containing strontium ions and titanium alkoxide. The aqueous solution may contain not more than 20 vol % of one or more alkanolamines expressed by the general formula:HO(C.sub.n H.sub.2n).sub.m NH.sub.3-mwith n=not more than 10, and m=1, 2 or 3.
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: May 21, 1996
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yoshio Abe, Yukio Hamaji, Yukio Sakabe
  • Patent number: 5516560
    Abstract: A plurality of piston rings 70 are set at intervals in the axial direction, on the outer circumference of a cylindrical member 6 of a coating jig 5. The coating jig 5 is supported to allow horizontal rotation and conveyed to the coating process by a chain conveyor 40. In the coating process, simultaneously with the rotation of the coating jig 5 by a drive means 51, a pair of coating guns 54 and 55 placed at a position above the coating jig 5, apply a coating to the upper surfaces 70a and the lower surfaces 70b of the piston rings 70 while moving along the axial direction of the coating jig 5.
    Type: Grant
    Filed: October 20, 1994
    Date of Patent: May 14, 1996
    Assignees: Teikoku Piston Ring Co., Ltd., Asahi Chiyoda Kogyo Co., Ltd.
    Inventors: Akria Harayama, Katsuhiro Nagata
  • Patent number: 5514423
    Abstract: A method and apparatus for electrostatically coating a non-conductive article. The article is passed through multiple stations where electrostatically charged liquid coatings are applied to the article. Adjacent stations have opposite polarity and neutralize the residual electric charge buildup from the preceding station.
    Type: Grant
    Filed: July 5, 1994
    Date of Patent: May 7, 1996
    Assignee: Ford Motor Company
    Inventors: Vijay Krish, Aris Nikolaidis, Jerry Boeck
  • Patent number: 5514421
    Abstract: An apparatus for applying a coating solution to at least a portion of a substrate surface to form a coated surface comprises an arrangement for separating the substrate from the coating solution and an arrangement for creating a flow of gas onto the coated surface in a direction substantially parallel to the coated surface substantially in unison with the separating arrangement separating the substrate from the coating solution.
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: May 7, 1996
    Assignee: Xerox Corporation
    Inventors: Stanley J. Pietrzykowski, Edward C. Williams, Robert W. Hedrick, William H. Gilbert, deceased
  • Patent number: 5514420
    Abstract: A painting gun having a ring-like gun main body with a circumferential opening formed in one peripheral portion thereof so as to allow for passage of an elongated workpiece as an object to be painted, and a plurality of nozzles radially disposed so as to eject a paint towards a central portion of the gun main body. The painting gun is moved in a longitudinal direction of the elongated workpiece after the elongated workpiece is placed in position inside the painting gun through the circumferential opening. Each of the nozzles atomizes the paint by atomizing air. An amount of the paint to be ejected from each of the nozzles is set to 35 cc/min or less, preferably 20 cc/min or less, per 1 kg/cm.sup.2 of an atomizing air pressure.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: May 7, 1996
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Masayo Tsuzuki, Hidenobu Nishida
  • Patent number: 5512317
    Abstract: A doped magnetic iron oxide particle suitable for use in magnetic recording media, and methods of preparing the doped magnetic iron oxide particle, are disclosed. The doped magnetic iron oxide particle has the general formula:Co.sub.x Fe.sup.+2.sub.1-x Fe.sub.2.sup.+3 O.sub.4, wherein O<x.ltoreq.1,wherein essentially all of the cobalt(II) and iron(II) dopants are present in a shell surrounding a core of a magnetic iron oxide particle. The doped magnetic iron oxide particle has a narrow switching distribution, high squareness, high coercivity and high remanence.
    Type: Grant
    Filed: January 9, 1995
    Date of Patent: April 30, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Albena V. Blagev
  • Patent number: 5510149
    Abstract: In the method described, a compound substantially in the form of a paste is fed by means of a pump from a storage container (1) to a metering device (3) which determines the amount of paste to be applied to a workpiece (B). From the metering device, the paste is fed to a spray head (S) where it is mixed with compressed air from a cylinder (4) or other suitable supply and sprayed on to the workpiece (B). The amount of compressed air supplied to the paste for spraying purposes is controlled by means of a control unit (6) in such a way that a strip of substantially constant width is applied to the workpiece (B).
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: April 23, 1996
    Assignee: SCA Schucker GmbH
    Inventor: Josef Schucker