Patents Examined by Arthur J. Steiner
  • Patent number: 4140557
    Abstract: A structural steel which possess both high strength and high toughness and has particular application of cryogenic uses. The steel is produced by the utilization of thermally induced phase transformation following heating in a three-phase field in iron-rich alloys of the Fe-Ni-Ti system, with a preferred composition of 12% nickel, 0.5% titanium, the remainder being iron.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: February 20, 1979
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Earl R. Parker, Victor F. Zackay
  • Patent number: 4140525
    Abstract: Several iron-base glassy alloys in the Fe-Cr-Mo-B system have very high tensile strengths, ranging from about 550 to 700 Kpsi. These alloys consist essentially of about 56 to 68 atom percent iron, about 4 to 9 atom percent chromium, about 1 to 6 atom percent molybdenum and about 27 to 29 atom percent boron plus incidental impurities.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: February 20, 1979
    Assignee: Allied Chemical Corporation
    Inventor: Ranjan Ray
  • Patent number: 4137370
    Abstract: Components fabricated from titanium and titanium alloys are subjected to an ion plating with noble metals or their alloys. The structures so treated are highly resistant to oxidation at elevated temperatures and possess improved mechanical properties.
    Type: Grant
    Filed: August 16, 1977
    Date of Patent: January 30, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Shiro Fujishiro, Daniel Eylon
  • Patent number: 4137075
    Abstract: Glassy metal alloys which include substantial amounts of one or more of the refractory metals of molybdenum, tungsten, tantalum and niobium evidence both high thermal stability, with a high crystallization temperature of at least about 700.degree. C, and a high hardness of at least about 1000 kg/mm.sup.2.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: January 30, 1979
    Assignee: Allied Chemical Corporation
    Inventors: Ranjan Ray, Lee E. Tanner, Carl F. Cline
  • Patent number: 4136231
    Abstract: In the manufacture of sandwich panels, a filler assembly is made up of rib elements and core elements that are roll bonded into a unitary structure, and slices are then cut from the unitary structure forming filler assemblies to be positioned between surface sheets. The surface sheets and the filler assemblies are then bonded together to form the panel.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: January 23, 1979
    Assignee: United Technologies Corporation
    Inventor: Edward R. Slaughter
  • Patent number: 4135924
    Abstract: Continuous filaments of zirconium-copper glassy alloys containing at least one of the transition metal elements of iron, cobalt and nickel are disclosed. The filaments are substantially totally glassy and have a composition consisting essentially of about 1 to 68 atom percent copper plus at least one element selected from the group consisting of about 1 to 29 atom percent iron, about 1 to 43 atom percent cobalt and about 1 to 42 atom percent nickel, balance essentially zirconium plus incidental impurities. The glassy alloy filaments of the invention evidence unusually high electrical resistivities of over 200 .mu..OMEGA.-cm.
    Type: Grant
    Filed: August 9, 1977
    Date of Patent: January 23, 1979
    Assignee: Allied Chemical Corporation
    Inventors: Lee E. Tanner, Ranjan Ray
  • Patent number: 4135953
    Abstract: A rare earth permanent magnet comprising an alloy consisting essentially of:RE.sub.2 (CO.sub.1-x-y Fe.sub.x TM.sub.y).sub.17+zWherein:Re is at least one rare earth element;Tm is at least one transition element selected from the group consisting of chromium, manganese, titanium, tungsten and molybdenum;-2 .ltoreq. z .ltoreq. 1;0.5 < (1-x-y) < 10.05 .ltoreq. x .ltoreq. 0.40.01 .ltoreq. y .ltoreq. 0.2Wherein said rare earth permanent magnet is further characterized by possessing high values of coercive field strength, an ideal demagnetization curve and a remanence of more than 9KG and wherein said rare earth permanent magnet is prepared by the process which comprises mixing together a starting alloy of the composition RE.sub.2 (Co.sub.1-x-y Fe.sub.x TM.sub.y).sub.17+z and 8 to 14 wt. % of a samarium-rich sinter additive compound composed of 50-60 wt.% samarium and 40-50 wt.% of an alloy Co.sub.1-x-y Fe.sub.x TM.sub.
    Type: Grant
    Filed: August 30, 1977
    Date of Patent: January 23, 1979
    Assignee: BBC Brown, Boveri & Company, Limited
    Inventors: Hartmut Nagel, Roger Perkins
  • Patent number: 4135919
    Abstract: An air-meltable, castable, workable, weldable alloy resistant to corrosion in sulfuric acid over a wide range of acid strengths. The alloy consists essentially of between about 26.00 and about 29.13% by weight nickel, between about 23.32 and about 28.28% by weight chromium, between about 0.66 and about 1.88% by weight molybdenum, between about 2.50 and about 3.82% by weight copper, between about 3.59 and about 4.72% by weight manganese, between about 0.15 and about 1.15% by weight niobium, up to about 1% by weight titanium, up to about 1.0% by weight tantalum, up to about 0.010% by weight boron, up to about 0.5% by weight cobalt, up to about 0.60% by weightsilicon, up to about 0.08% by weight carbon, up to about 0.6% by weight of a rare earth component selected from the group consisting of cerium, lanthanum and misch metal, up to about 0.15% by weight nitrogen, and between about 33.13 and about 39.49% by weight iron.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: January 23, 1979
    Assignee: Carondelet Foundry Company
    Inventor: John H. Culling
  • Patent number: 4136230
    Abstract: A method and coating material are provided for improving the wear and abrasion resistance of a composite nickel-base hard facing alloy applied to metal substrates comprising the system Ni-Cr-Si-B having dispersed therein particles comprising tungsten carbide, the improvement residing in controlling the average particle size of tungsten carbide to below 10 microns, e.g. 0.1 to 10 microns, preferably an average size ranging from about 2 to 8 microns (such as 2 to 6 microns), at an average interparticle spacing of less than 15 microns, and preferably less than 10 microns, e.g. up to 5 microns, the hard facing coating produced being further characterized in that the coating exhibits metallographically a substantially uniform structure at the surface thereof with respect to said tungsten carbide particles.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: January 23, 1979
    Assignee: Eutectic Corporation
    Inventor: Mahesh S. Patel
  • Patent number: 4134756
    Abstract: Improved precipitation hardening permanent magnetic alloys of Alnico 9 type having comparatively lower Co content of 28 - 30 weight percent and further contain 0.02 - 0.2% C, 0.1 - 1% S and 0.1 - 4.0% Nb together all by weight, and Nb to Ti ratio of the alloys satisfies the formula;52.5 .ltoreq. 7 Nb + 10 Ti .ltoreq. 63 (by weight %).Due to the above-mentioned composition range of the alloying elements and the controlled relation between the content of the Nb and Ti as indicated above, the alloys are allowed to solidify into columnar grains by ordinary moulding and to display excellent magnetic properties.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: January 16, 1979
    Assignee: Hitachi Metals, Ltd.
    Inventor: Makoto Ushijima
  • Patent number: 4134779
    Abstract: Ferromagnetic substitutional solid solution alloys characterized by high saturation magnetization and having a bcc structure are provided. The alloys consist essentially of about 4 to 12 atom percent boron, balance essentially iron plus incidental impurities.
    Type: Grant
    Filed: June 21, 1977
    Date of Patent: January 16, 1979
    Assignee: Allied Chemical Corporation
    Inventors: Ranjan Ray, Ryusuke Hasegawa
  • Patent number: 4133679
    Abstract: Glassy alloys containing iron and molybdenum or tungsten, together with low boron content, are disclosed. The glassy alloys of the invention consist essentially of about 5 to 12 atom percent boron, a member selected from the group consisting of about 25 to 40 atom percent molybdenum and about 13 to 25 atom percent tungsten and the balance essentially iron plus incidental impurities. The glassy alloys evidence hardness values of at least about 1300 Kg/mm.sup.2, ultimate tensile strengths of at least about 420 Kpsi and crystallization temperatures of at least about 600.degree. C.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: January 9, 1979
    Assignee: Allied Chemical Corporation
    Inventor: Ranjan Ray
  • Patent number: 4133681
    Abstract: Glassy alloys containing nickel and molybdenum or tungsten, together with low boron content, are disclosed. The glassy alloys of the invention consist essentially of about 5 to 12 atom percent boron, a member selected from the group consisting of about 30 to 60 atom percent molybdenum and about 20 to 35 atom percent tungsten and the balance essentially nickel plus incidental impurities. The glassy alloys evidence hardness values of at least about 1030 Kg/mm.sup.2, ultimate tensile strengths of at least about 330 Kpsi and crystallization temperatures of at least about 540.degree. C.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: January 9, 1979
    Assignee: Allied Chemical Corporation
    Inventor: Ranjan Ray
  • Patent number: 4133682
    Abstract: Glassy alloys containing cobalt and molybdenum or tungsten, together with low boron content, are disclosed. The glassy alloys of the invention consist essentially of about 5 to 12 atom percent boron, a member selected from the group consisting of about 20 to 50 atom percent molybdenum and about 15 to 40 atom percent tungsten and the balance essentially cobalt plus incidental impurities. The glassy alloys evidence hardness values of at least about 1130 Kg/mm.sup.2, ultimate tensile strengths of at least about 400 Kpsi and crystallization temperatures of at least about 570.degree. C.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: January 9, 1979
    Assignee: Allied Chemical Corporation
    Inventor: Ranjan Ray
  • Patent number: 4132419
    Abstract: Oil seal ring comprising a base body and a lip formed thereon. The base body is made of a relatively flexible iron based material such as a cast iron. The lip is made of a mixture of iron-based alloy and one or more carbides by melting and thereafter solidifying the mixture on the body. Composite carbides are produced in the alloy and added carbides are distributed in the metal and the composite carbides in the alloy.
    Type: Grant
    Filed: May 24, 1977
    Date of Patent: January 2, 1979
    Assignee: Toyo Kogyo Co., Ltd.
    Inventors: Teruo Sunami, Tsuyoshi Morishita, Kazumi Hatakeyama
  • Patent number: 4131720
    Abstract: The bimetallic material comprises a laminate of two materials, one having a high coefficient of thermal expansion, one with a low coefficient of thermal expansion. The material with the high coefficient of expansion is a corrosion resisting and heat resisting austenitic chromium-nickel steel, while the material with the low coefficient of expansion is a heat hardenable alloy of iron, nickel, cobalt and titanium and/or aluminium. It is found that this combination of materials gives rise to a bimetallic material capable of heavy duty applications without the disadvantages normally associated with such heavy duty materials.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: December 26, 1978
    Assignee: G. Rau
    Inventor: Heinz Spengler
  • Patent number: 4131456
    Abstract: The invention provides a chill-free foundry iron consisting essentially of, in per cent by weight:______________________________________ carbon from 2.8 to 4.0 silicon from 1.5 to 2.6 manganese from 0.2 to 1.2 cerium from 0.01 to 0.05 aluminium from 0.06 to 0.6 calcium from 0.04 to 0.1 sulfur up to 0.20 phosphorus up to 0.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: December 26, 1978
    Inventors: Lev V. Peregudov, Mikhail M. Malashin
  • Patent number: 4131494
    Abstract: Corrosion resistant magnetic alloy consisting essentially of Ni (20 to less than 35% by weight), Cr (3 to 15% by weight), at least one of Co (0.1 to 10% by weight) and Cu (0.1 to 15% by weight), and the balance of essentially Fe. The alloy is excellent in magnetic property, high in corrosion resistance and, thus, suitable for use as a magnetic shielding material.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: December 26, 1978
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Kenichiro Momose, Kiyoshi Kumagai
  • Patent number: 4130418
    Abstract: Austenitic steel having 16-23% Mn, 1.1-1.5% C, 0-4% Cr, 0.1-0.5% Ti, the remainder being Fe and impurities.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: December 19, 1978
    Assignee: Raufoss Ammunisjonsfabrikker A/S
    Inventor: Tor Hartvig
  • Patent number: 4130448
    Abstract: A rollable or plastically deformable Sendust-type magnetic alloy containing by weight 3 to 8% aluminum, 4 to 8% silicon, 0.1 to 1% niobium or tantalum or mixtures thereof and the balance iron. The alloy is especially suitable for use with high-frequency inputs.
    Type: Grant
    Filed: November 9, 1977
    Date of Patent: December 19, 1978
    Assignee: Inoue-Japax Research Incorporated
    Inventor: Kiyoshi Inoue