Patents Represented by Attorney Raymond W. Green
  • Patent number: 5790983
    Abstract: A disposable girl's top including a elastic system which is under tension and a ruffle which forms an edge of the elastic structure whereby the curl up of the structure is minimized.
    Type: Grant
    Filed: May 16, 1995
    Date of Patent: August 11, 1998
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Paulette Mary Rosch, Ingrid Christine Hollrah, Mark Louis Robinson
  • Patent number: 4598675
    Abstract: The present invention relates to improvements in internal combustion engines by the utilization of sintered silicon carbide for the fabrication of certain engine components wherein the silicon carbide starting material used to produce the sintered components is in an ultra-fine form. The engine components comprise the valve train and the power assembly. The valve train is comprised of the valve guides, valves, valve caps, rocker arms, valve spring retainer rings, push rods and tappets (lifters). The power assembly is comprised of cylinder lines, valve seats, exhaust port liners, exhaust manifold, flames plates, pistons, piston rings, piston pins and connecting rods.
    Type: Grant
    Filed: April 15, 1983
    Date of Patent: July 8, 1986
    Assignee: Kennecott Corporation
    Inventor: William D. Long
  • Patent number: 4446357
    Abstract: The resistance-heated boat of the present invention is comprised of a heating portion and a crucible portion separated by a heat conducting, substantially non-electrical conducting portion.The heating portion is fabricated of an electrically conductive material capable of being resistance heated to high temperatures. Mixtures of titanium diboride with boron nitride, aluminum nitride or silicon carbide typically provide electrical conductivity in the desired range. Zirconium diboride, mixtures of boron nitride, silicon nitride, aluminum nitride or titanium diboride, or mixtures thereof are also useful.The crucible portion of the boat provides a vaporization surface and is fabricated of materials selected for their ability to provide wettability by the metal to be vaporized, a desired chemical and physical resistance to the metal, or impurities in the metal, to be vaporized and to the vaporization atmosphere.
    Type: Grant
    Filed: October 30, 1981
    Date of Patent: May 1, 1984
    Assignee: Kennecott Corporation
    Inventor: Dennis W. Barshter
  • Patent number: 4439895
    Abstract: Oxide refractory materials (for example, alumina-zirconia mixtures) can be cast to have an extremely fine crystal structure by casting them onto a non-reactive, non-melting particulate solid cooling media of a material other than that of the oxide refractory material (for example, steel spheres having a size ranging from about 5 to about 60 mm). By using steel spheres as the cooling media, the spheres can be removed from the solidified material with a magnet. The solidified material, when crushed and graded, has exceptional utility as an extremely tough abrasive grain.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: April 3, 1984
    Assignee: Kennecott Corporation
    Inventor: Wesley Q. Richmond
  • Patent number: 4415510
    Abstract: Oxide refractory materials (for example, alumina-zirconia mixtures) can be cast to have an extremely fine crystal structure by casting them onto a non-reactive, non-melting particulate solid cooling media of a material other than that of the oxide refractory material (for example, steel spheres having a size ranging from about 5 to about 60 mm). By using steel spheres as the cooling media, the spheres can be removed from the solidified material with a magnet. The solidified material, when crushed and graded, has exceptional utility as an extremely tough abrasive grain.
    Type: Grant
    Filed: December 12, 1972
    Date of Patent: November 15, 1983
    Assignee: Kennecott Corporation
    Inventor: Wesley Q. Richmond
  • Patent number: 4408959
    Abstract: A ceramic turbine wheel (1), especially such a wheel intended for an exhaust gas driven turbine of a turbocharger for motor vehicles, comprises a body portion (3), blades (2) and hub portion (4). The body portion (4), and optionally the hub portion (3) as well, are provided with hollow central cores (5, 6).
    Type: Grant
    Filed: July 3, 1980
    Date of Patent: October 11, 1983
    Assignees: Kennecott Corporation, Volkswagenwerk Aktiengesellschaft
    Inventors: William D. Long, Paul J. Rottenkolber
  • Patent number: 4382104
    Abstract: A method for uniformly coating ceramic fibers comprising from about 40 to 100 weight percent aluminum oxide with Cr.sub.2 O.sub.3. The method comprises precipitating Cr.sub.2 O.sub.3.xH.sub.2 O (chromium oxide hydrate) upon the fibers followed by converting the Cr.sub.2 O.sub.3.xH.sub.2 O to Cr.sub.2 O.sub.3. The resulting Cr.sub.2 O.sub.3 coated fibers have good shrinkage resistance, good temperature resistance and good flexibility in thick fiber articles.
    Type: Grant
    Filed: July 6, 1981
    Date of Patent: May 3, 1983
    Assignee: Kennecott Corporation
    Inventors: Russell D. Smith, Richard E. Tressler
  • Patent number: 4349637
    Abstract: A thickened binder composition which comprises from about 3 to about 20 weight percent colloidal alumina, from about 1 to about 8 weight percent aluminum chlorhydrate and from about 0.1 to about 0.4 weight percent of an inorganic acid selected from hydrochloric and nitric acids and from about 75 to about 95 weight percent water;the method for manufacturing the binder composition and a fiber article by blending the ingredients of the binder composition with each other and by impregnating or blending fibers with the binder composition to form a fiber containing composition followed by drying and calcining the fiber composition; andan article comprising alumina-containing fibers bound together with alumina.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: September 14, 1982
    Assignee: Kennecott Corporation
    Inventors: Patrick M. Miedaner, Chhattar S. Kucheria
  • Patent number: 4349909
    Abstract: The present invention provides a process and apparatus for the production of refractory oxide materials having high fusion points. By high fusion points is meant melting points greater than 2400.degree. C.
    Type: Grant
    Filed: July 6, 1981
    Date of Patent: September 14, 1982
    Assignee: Kennecott Corporation
    Inventor: Paul Cichy
  • Patent number: 4346049
    Abstract: Pressureless sintered silicon carbide ceramic bodies, having an equiaxed microstructure and an alpha crystalline habit can be produced by firing shaped bodies, containing finely divided silicon carbide, boron source such as boron carbide, carbon source such as phenolic resin and a temporary binder, at a sintering temperature of from about 1900.degree. C. to about 2250.degree. C., depending on the sintering atmosphere, under conditions such that a coating of carbon source is maintained on the finely divided silicon carbide, and sufficient boron is maintained within the shaped body during firing. Boron can be maintained within the shaped body by various techniques, such as the use of a "seasoned boat" or graphite container for the body being sintered, which has been saturated with boron by exposure to boron at or about the temperature of sintering.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: August 24, 1982
    Assignee: Kennecott Corporation
    Inventors: John A. Coppola, Laurence N. Hailey, Carl H. McMurtry
  • Patent number: 4332852
    Abstract: An inorganic refractory insulation article comprising randomly oriented refractory fibers retained by dried colloidal silica uniformly distributed throughout the article and containing from about 0.001 to about 1.5 percent by weight of the article of aluminum chlorhydrate. The invention further comprises the process for making the article by forming a fiber mat from a fiber slurry, impregnating the mat with a conditioned colloidal silica composition comprising colloidal silica, acid, aluminum chlorhydrate and water and drying the mat to form the article.
    Type: Grant
    Filed: December 3, 1979
    Date of Patent: June 1, 1982
    Assignee: Kennecott Corporation
    Inventors: Harris J. Korklan, John K. Greany
  • Patent number: 4332755
    Abstract: Sintered ceramic products comprised of from about 55 to about 99.5 percent by weight of silicon carbide co-sintered with from about 0.5 to about 45 percent by weight aluminum nitride containing a dispersion of free carbon in amounts between about 0.5 and about 4.0 percent by weight of the product are described. The sintered products have a bulk density of at least 75 percent of the theoretical density of silicon carbide. The products are produced by sintering, under substantially pressureless conditions, mixtures of silicon carbide, carbon, or a carbon source material, and aluminum nitride. The aluminum nitride component, in ranges of from about 3.0 to about 45 percent, may be initially mixed with the silicon carbide and carbon or carbon source material. In ranges of from about 0.5 to about 3.0 percent, the aluminum nitride component may be added to the mixture in vapor form during sintering.
    Type: Grant
    Filed: December 19, 1980
    Date of Patent: June 1, 1982
    Assignee: Kennecott Corporation
    Inventor: Yorihiro Murata
  • Patent number: 4327186
    Abstract: Sintered articles made from binary compositions of silicon carbide and titanium diboride are described. The articles may be prepared by initially mixing finely-divided silicon carbide, carbon or a carbon source material, a densification or sintering aid, and finely-divided titanium diboride, forming the mixture into a desired shape and subsequently heating at temperatures sufficiently high to form a sintered ceramic article of silicon carbide and titanium diboride. When the present sintered ceramic articles contain high amounts of titanium diboride, generally between about 65 and about 95 percent, and more preferably, between about 80 and about 95 percent, by weight, they are quite electrically conductive, generally having less than 0.2 ohm-cm electrical resistivity, and are useful as electrical ignitors. Such articles are also extremely resistant to corrosion by molten aluminum and aluminum alloys; thus, they are aptly suited to use as electrodes in aluminum refining processes.
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: April 27, 1982
    Assignee: Kennecott Corporation
    Inventors: Yorihiro Murata, Gary W. Weber
  • Patent number: 4312911
    Abstract: A ceramic fiber and a shrink resistant article manufactured therefrom. The fiber comprises at least 80 weight percent of a refractory compound selected from the group consisting of silica, alumina, aluminum silicate, titania, zirconia, zirconium silicate and mixtures thereof and which comprises less than 5 combined weight percent of alkali or alkaline metal oxide or alkali or alkaline metal silicate. The fiber is uniformly coated with from about 0.01 to about 5 weight percent of Cr.sub.2 O.sub.3.
    Type: Grant
    Filed: December 19, 1979
    Date of Patent: January 26, 1982
    Assignee: Kennecott Corporation
    Inventors: Russell D. Smith, Richard E. Tressler
  • Patent number: 4312954
    Abstract: Pressureless sintering of silicon carbide to produce ceramic bodies having 75% and greater theoretical densities, can be accomplished by firing shaped bodies, containing finely divided silicon carbide, boron source such as boron carbide, carbon source such as phenolic resin and a temporary binder, at a sintering temperature of from about 1900.degree. C. to about 2500.degree. C.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: January 26, 1982
    Assignee: Kennecott Corporation
    Inventors: John A. Coppola, Lawrence N. Hailey, Carl H. McMurtry
  • Patent number: 4304954
    Abstract: The present invention provides a process and apparatus for the production of refractory oxide materials having high fusion points. By high fusion points is meant melting points greater than 2400.degree. C.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: December 8, 1981
    Assignee: Kennecott Corporation
    Inventor: Paul Cichy
  • Patent number: 4284610
    Abstract: A boron nitride bonded boron nitride fiber article and the method for its manufacture which comprises forming a shaped article with a composition comprising a bonding compound selected from boron oxide and boric acid and a structural fiber selected from the group consisting of boron oxide, boron nitride and partially nitrided boron oxide fibers, heating the composition in an anhydrous gas to a temperature above the melting point of the compound and nitriding the resulting article in ammonia gas.
    Type: Grant
    Filed: March 20, 1979
    Date of Patent: August 18, 1981
    Assignee: Kennecott Corporation
    Inventor: Robert S. Hamilton
  • Patent number: 4277269
    Abstract: A process and apparatus for the manufacture of ceramic oxide fibers from solvent solution. The process comprises spinning a solution of a ceramic oxide precursor through openings having a diameter of from about 0.3 to about 1.5 millimeters, attenuating the resulting fibers with a stream of air to a diameter of less than 10 microns and heating the fibers in an oxygen atmosphere to form ceramic oxide fibers having a diameter of less than 5 microns. The apparatus comprises a hollow rotatable disc having about 0.3 to about 1.5 millimeter holes in its circumferential edge; means for rotatably mounting the disc; means for introducing a solution of a ceramic oxide precursor into the disc; means for rotating the disc to force solution through the openings in fiber form; means for attenuating the fibers with a stream of air; and means for calcining the fibers.
    Type: Grant
    Filed: December 19, 1979
    Date of Patent: July 7, 1981
    Assignee: Kennecott Corporation
    Inventor: Truett B. Sweeting
  • Patent number: 4250605
    Abstract: A biaxially heat shrinkable sleeve, a prism which is usually a roller having its lateral area covered with a biaxially heat shrunken sleeve and the method for covering the lateral area of a prism such as a process roller with a biaxially heat shrunken sleeve.
    Type: Grant
    Filed: January 19, 1978
    Date of Patent: February 17, 1981
    Assignee: The Carborundum Company
    Inventor: Harry S. Chapman
  • Patent number: 4248752
    Abstract: A refractory moldable composition which, upon drying, sets up to refractory shapes which are strongly adherent to the molding surfaces and are essentially crack-free, contains about 45 to about 65% of a liquid vehicle, such as water; about 21 to about 26% ceramic fiber; about 7 to about 30% finely divided silica; and sufficient adhesion enhancing agent to impart from about 18 to about 50 grams per square centimeter adherence to steel. The molded composition adheres excellently to molding surfaces and dries to give an essentially crack-free refractory shape, useful as thermal insulation at temperatures up to 1300.degree. C. The composition may optionally include hollow plastic or ceramic spheres.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: February 3, 1981
    Assignee: The Carborundum Company
    Inventor: Thomas A. Myles