Patents Represented by Attorney Raymond J. Kenny
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Patent number: 4900394Abstract: A process for producing a single crystal object made of a nickel-base, O.D.S., gamma prime stengthened alloy which involves fusion welding a seed crystal to a mass of such alloy in rcrystallizable state and thereafter zone annealing to grow a single crystal through the mass of alloy.Type: GrantFiled: August 22, 1985Date of Patent: February 13, 1990Assignee: Inco Alloys International, Inc.Inventor: William L. Mankins
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Patent number: 4877461Abstract: The stress-rupture strength of a nickel-chromium-molybdenum-cobalt alloy is enhanced by reason of a special morphological microsctructure which in terms of carbides present is characterized by a predominant amount of the M.sub.6 C carbide.Type: GrantFiled: September 9, 1988Date of Patent: October 31, 1989Assignee: Inco Alloys International, Inc.Inventors: Gaylord D. Smith, Curtis S. Tassen, Pasupathy Ganesan, Jack M. Wheeler
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Patent number: 4867116Abstract: A spark-ignited internal combustion engine exhaust valve having on critical surfaces thereof, e.g. on the stem where exhaust gases impinge, an aluminide from the group of nickel and titanium aluminides.Type: GrantFiled: May 23, 1988Date of Patent: September 19, 1989Assignee: Inco Alloys International, Inc.Inventors: Eduardo de Freitas Couto Rosa, Gaylord D. Smith
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Patent number: 4846320Abstract: A power cable hanger for a mine including a roof mounted rail, a carriage travelling on the rail, a plurality of open-sided hooks to support a cable spaced at intervals along the path of the rail, an arm on the carriage to pick up and place the cable on the hooks and to retrieve the cable from the hooks and cable means, independent of the power cable to cause the carriage to travel backwards and forwards on the rail.Type: GrantFiled: November 6, 1987Date of Patent: July 11, 1989Assignee: Inco LimitedInventor: Dale M. Clarke
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Patent number: 4836979Abstract: A method of producing a composite material from a mixture of copper and a low coefficient of thermal expansion nickel-iron alloy (Invar) powder is disclosed wherein advantageously at least part of the copper is deposited on the Invar powder prior to processing. Processing includes cold compacting to a green strip or other configuration, annealing in the temperature range of 550.degree.-750.degree. C. and working the annealed material at a temperature in that range to high density.Type: GrantFiled: June 14, 1988Date of Patent: June 6, 1989Assignee: Inco LimitedInventors: James A. E. Bell, Thijs Eerkes, Carlos M. Diaz, William L. Mankins
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Patent number: 4834810Abstract: High modulus aluminum-base comprise mechanically alloyed aluminum-base compositions contain 10-25% titanium part of which may be replaced by vanadium or zirconium. Within described limits the alloys can contain elements other than oxygen and carbon ordinarily derived from the process control agent used in mechanical alloying.Type: GrantFiled: May 6, 1988Date of Patent: May 30, 1989Assignee: Inco Alloys International, Inc.Inventors: Raymond C. Benn, Prakash K. Mirchandani, Walter E. Mattson
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Patent number: 4832734Abstract: Discloses hot working by rolling or forging of mechanically alloyed aluminum-base alloys containing 5 to 35 volume percent of an aluminum transition metal intermetallic phase, e.g. Al.sub.3 Ti which is insoluble in the solid aluminum matrix. Hot working is carried out at a temperature above about 370.degree. C.Type: GrantFiled: May 6, 1988Date of Patent: May 23, 1989Assignee: Inco Alloys International, Inc.Inventors: Raymond C. Benn, Prakash K. Mirchandani, Walter E. Mattson
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Patent number: 4830667Abstract: A copper converting process starting with white metal or a mixture of white metal and metallic copper in which oxidizing gas contacts the molten copper mass either at or near the top surface of the molten mass while the mass is sparged with an inert gas from at or near the bottom of the mass and sparging is continued after contact with the oxidizing gas ceases.Type: GrantFiled: March 17, 1988Date of Patent: May 16, 1989Assignee: Inco LimitedInventors: Samuel W. Marcuson, Carlos M. Diaz, James A. E. Bell, Haydn Davies, Richard Stratton-Crawley
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Patent number: 4818482Abstract: A method for pickling and consolidating water atomized metallic powders to reduce surface oxides. The technique includes introducing the powder into an acid bath--preferably nitric acid and hydrofluoric acid, rinsing the powder, introducing the powder into an alkaline bath, rinsing the powder and then consolidating the powder into a workpiece. Alternatively, the powder can be additionally introduced into a second acid bath and/or placed into a finishing boric acid bath before consolidation.Type: GrantFiled: July 9, 1987Date of Patent: April 4, 1989Assignee: Inco Alloys International, Inc.Inventors: Jon M. Poole, Lindy J. Curtis
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Patent number: 4816218Abstract: The oxidation resistance at elevated temperatures, e.g. 1800.degree. F. of iron-nickel-chromium alloys of specified composition is improved through the control of manganese content.Type: GrantFiled: June 29, 1987Date of Patent: March 28, 1989Assignee: Inco Alloys International, Inc.Inventors: William L. Mankins, Jerry A. Harris, James C. Hosier, Raymond J. Kenny
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Patent number: 4816217Abstract: An austenitic, age-hardenable nickel-iron-chromium alloy exhibiting high-strength, good corrosion and polythionic acid resistance and having a low work hardening rate. The economic alloy is useful for industrial vessels such as heat exchangers, chemical and petrochemical equipment and, more particularly, tubes. The alloy includes about 25-29.5% nickel, about 14.5-17.5% chromium, about 2-3.5% molybdenum, about 2-5.5% copper, about 1-5% titanium plus aluminum, up to about 1.5% manganese, up to about 0.1% cerium, and the balance mostly iron.Type: GrantFiled: April 21, 1986Date of Patent: March 28, 1989Assignee: Inco Alloys International, Inc.Inventors: Thomas H. Bassford, James R. Crum
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Patent number: 4809775Abstract: A pipe cutting tool especially adapted to cut the interior of in-the-hole (I-T-H) drill pipe to allow subsequent removal of the pipe above the cut. Due to blasting damage, long sections of I-T-H pipe, otherwise in good condition, cannot be removed because the damaged section prevents the removal of the entire drill string. The tool is adapted to receive power from an external source and includes a frame, a pivoted motor and cutter, and an actuator for pivoting the motor.Type: GrantFiled: April 4, 1988Date of Patent: March 7, 1989Assignee: INCO LimitedInventor: Roland Fortin
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Patent number: 4802917Abstract: A process for autogenously smelting copper sulfide ore concentrate directly to semi-blister copper in which a calcareous flux is charged directly to an autogenouse furnace along with concentrate and copper-containing coolant. Furnace products are semi-blister copper, calcareous slag and off-gas rich in sulfur dioxide.Type: GrantFiled: February 7, 1986Date of Patent: February 7, 1989Assignee: Inco LimitedInventors: Grigori S. Victorovich, Carlos M. Diaz, Charles E. O'Neill
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Patent number: 4802916Abstract: A process for autogenously smelting sulfidic copper material in the presence of a calcareous flux in which slag cleaning to provide metallic copper is employed. Such metallic copper provided by slag cleaning is usefully employed as a coolant in the autogenous smelting operation.Type: GrantFiled: February 7, 1986Date of Patent: February 7, 1989Assignee: Inco LimitedInventors: Grigori S. Victorovich, Carlos M. Diaz, Charles E. O'Neill, James A. E. Bell, Lloyd M. Timberg
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Patent number: 4801339Abstract: A process for improving the properties of low density aluminum alloys comprises a controlled heat and cooling treatment of a shaped alloy to obtain a product which in the non-aged condition has improved fracture toughness without sacrificing tensile properties. The product is particularly useful for treating forged Al-Li-Mg alloys.Type: GrantFiled: March 15, 1985Date of Patent: January 31, 1989Assignee: Inco Alloys International, Inc.Inventors: Donald H. Osborn, Paul S. Gilman, Stephen J. Donachie
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Patent number: 4801100Abstract: A rotary batch-type grinding mill for processing powder is provided with an improved system for discharging material under seal from the atmosphere. The discharge system comprises a sealable collection chute having a banana-like configuration secured on the mill shell at an outlet port in the shell and extending substantially parallel to the circumference of the shell, a grate which prevents discharge of the grinding media from the mill during unloading of material from the mill and an elastomeric faced sealing plate which covers the grate during operation of the mill. The sealing plate is operated from outside the sealed system so that discharge from the mill can be effected without breaking the seal and the sealing plate is so disposed that in the open position it does not interfere with the flow of powder out of the mill.Type: GrantFiled: March 15, 1985Date of Patent: January 31, 1989Assignee: Inco Alloys International, Inc.Inventor: John J. Orlando
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Patent number: 4798633Abstract: A process for heat treating certain nickel-chromium-iron alloys is disclosed which involves annealing the alloys over the temperature range of 1750.degree. F. to 2150.degree. F., preferably in a continuous annealing furnace, for short periods of time, such as 30 minutes to 2 hours, the time being sufficient to precipitate carbides at the alloy grain boundaries. The alloys are useful in nuclear reactor environments.Type: GrantFiled: September 25, 1986Date of Patent: January 17, 1989Assignee: INCO Alloys International, Inc.Inventors: James M. Martin, James R. Crum, William L. Mankins, Jeffrey M. Sarver
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Patent number: 4788036Abstract: Nickel-base alloys containing special and correlated percentages of chromium, iron, molybdenum, titanium, columbium, aluminum etc. (i) provide an attractive combination of strength, ductility, resistance to environmental media and other desirable characteristics, (ii) can be processed by cold working and age hardening to achieve yield strengths of 150,000 psi (1034 MPa) to 200,000 psi (1379 MPa) together with tensile elongations of 10% to 20%, (iii) are resistant to such corrosive media as hydrogen sulphide and acid chloride solutions, and to hydrogen embittlement, and (iv) are useful for, inter alia, petroleum production tubing and sulfur dioxide gas scrubber applications.Type: GrantFiled: October 1, 1986Date of Patent: November 29, 1988Assignee: INCO Alloys International, Inc.Inventors: Herbert L. Eiselstein, Jerry A. Harris, Darrell F. Smith, Jr., Edward F. Clatworthy, Stephen Floreen, Jeffrey M. Davidson
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Patent number: 4787945Abstract: A high-nickel-chromium iron alloy containing aluminum and titanium is particularly useful under high temperature/oxidizing conditions such as encountered in ceramic tile industry frit-firing applications. The alloy also contains a special percentage of nitrogen as well as zirconium.Type: GrantFiled: December 21, 1987Date of Patent: November 29, 1988Assignee: Inco Alloys International, Inc.Inventors: Gaylord D. Smith, Curtis S. Tassen
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Patent number: 4784831Abstract: A highly carburization resistant alloy characterized by good structural stability at elevated temperatures and other desired properties, the alloy containing correlated percentages of iron, nickel, chromium, molybdenum, carbon, titanium, etc.Type: GrantFiled: August 4, 1986Date of Patent: November 15, 1988Assignee: Inco Alloys International, Inc.Inventors: William L. Mankins, David G. Tipton