Patents Represented by Attorney John Stelmah
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Patent number: 4359202Abstract: Nozzle apparatus and method for controlling molten metal flow in a bottom pour casting system whereby a fluid passage is defined wherein the flow is controlled to minimize splashing of the molten metal in the molds and the flow distribution is better equalized among a plurality of molds which are being simultaneously charged.Type: GrantFiled: February 11, 1980Date of Patent: November 16, 1982Assignee: Jones & Laughlin Steel CorporationInventors: Charles C. Gerding, Joseph M. Stoll, Harold L. Majors
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Patent number: 4357003Abstract: Method and apparatus for suppressing formation of pollutants in a blast furnace casting system by occluding oxidizing gases, including ambient air, from the molten iron and slag discharged from the furnace.Type: GrantFiled: September 24, 1980Date of Patent: November 2, 1982Assignee: Jones & Laughlin Steel CorporationInventor: Stephen Vajda
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Patent number: 4357125Abstract: An ingot mold buggy for carrying steel ingots and molds which buggy is of improved construction to resist damage due to excessive impact loading such as that which might be encountered by dropping a mold and a contained ingot on the buggy.Type: GrantFiled: August 28, 1980Date of Patent: November 2, 1982Assignee: Jones & Laughlin Steel CorporationInventors: Charles C. Gerding, Stephen M. Rechtorik
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Patent number: 4354668Abstract: Method and apparatus for determining when the cast of a blast furnace is substantially completed in a blast furnace cast system wherein direct viewing of the taphole is obstructed during the cast. In a system wherein viewing of the taphole is obstructed by hood means covering the iron trough, substantial completion of the cast may be determined by sensing changes in ambient conditions, e.g., a change in temperature within the hood means, vibration of the hood, and/or a change in the color of the flame generated at the discharge end of a slag runner.Type: GrantFiled: August 20, 1981Date of Patent: October 19, 1982Assignee: Jones & Laughlin Steel IncorporatedInventor: Donald M. Ernst
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Patent number: 4345940Abstract: A process for desulfurizing a bath of molten iron contained in a vessel comprising the injection of particulate lime and a particulate hydrocarbon containing carbon and hydrogen in properties ranging from CH.sub.>0 to CH.sub.2 and having a volatile matter concentration of 5 to 20%, by weight, or a premixture of the lime and hydrocarbon, which premixture has a loss on ignition factor of at least 11%, by weight.Type: GrantFiled: April 13, 1981Date of Patent: August 24, 1982Assignee: Jones & Laughlin Steel IncorporatedInventor: Peter J. Koros
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Patent number: 4341554Abstract: A process for desulfurizing molten steel which includes the formation of a synthetic slag layer, the formation of a cover which occludes the ambient air, and the simultaneous injection of lime and a reactant agent which vaporizes within the molten steel.Type: GrantFiled: April 2, 1981Date of Patent: July 27, 1982Assignee: Jones & Laughlin Steel IncorporatedInventors: Peter J. Koros, Robert G. Petrushka
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Patent number: 4289548Abstract: High strength, cold finished steel bars strengthened through the addition of from 0.05% to 0.15% vanadium and 0.001% to 0.025% nitrogen are produced by a series of steps involving hot rolling, cold drawing, and heat-treatment.Type: GrantFiled: August 19, 1977Date of Patent: September 15, 1981Assignee: Jones & Laughlin Steel CorporationInventors: John H. Bucher, John F. Butler, John F. Held
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Patent number: 4277279Abstract: Method and apparatus for dispensing a fluidized stream of particulate material, particularly a blended mixture of particulate materials which are useful in the desulfurization of molten ferrous metals. Control of the flow rates of the particulate materials are individually and independently controlled and without reliance upon varying the top pressures within the dispenser vessels containing the separate particulate materials.Type: GrantFiled: March 24, 1980Date of Patent: July 7, 1981Assignee: Jones & Laughlin Steel CorporationInventors: Richard G. Kerlin, Henry T. Kossler, Peter J. Koros, Robert G. Petrushka
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Patent number: 4188824Abstract: A method for testing a treated metal substrate toward its propensity to receive and adherently retain a finish coat such as paint or the like; the test is made before the finish coat is applied by applying a strip of adhesive to a specimen treated substrate, stripping the tape, and then comparing the amount of "soil" pick-up versus an established standard; "soil" includes any of the treating material picked up by the tape from the treated substrate.Type: GrantFiled: June 2, 1978Date of Patent: February 19, 1980Assignee: Youngstown Sheet and Tube CompanyInventor: Edward P. McCarthy
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Patent number: 4119445Abstract: Low alloy high strength titanium steel and a process for preparing said steel by solution heat treating and thereafter controlling the cooling rate to the precipitation hardening temperature range required to produce a steel characterized by a yield strength in the range of 60,000 to 120,000 psi and/or by a bendability characteristic demonstrable by a capability of being bent through an arc without cracking to an inside diameter equal to the thickness of the product.Type: GrantFiled: June 29, 1973Date of Patent: October 10, 1978Assignee: Youngstown Sheet and Tube CompanyInventors: Richard A. Bosch, John A. Straatmann
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Patent number: 4110824Abstract: Method and apparatus for processing continuous strand material in a continuous processing line wherein movement of the strand is continued at a subsequent processing station despite halting movement of the strand at a preceding station and for providing an indication of when the portion of the strand present at the preceding station when halted reaches the subsequent processing station or position.Type: GrantFiled: May 18, 1977Date of Patent: August 29, 1978Assignee: Youngstown Sheet and Tube CompanyInventors: Homer P. Halsey, Lowell E. Reed, David C. Hildebrand
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Patent number: 4082576Abstract: A high strength low alloy titanium, cold reduced flat rolled steel product with yield strengths in excess of 120 and as high as at least 180 ksi and process for producing the same.Type: GrantFiled: October 4, 1976Date of Patent: April 4, 1978Assignee: Youngstown Sheet and Tube CompanyInventors: Peter B. Lake, John J. Grenawalt, Ronald L. Pastorek
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Patent number: 4053742Abstract: Energy measuring systems particularly adapted for use in conjunction with load moving devices which comprise apparatus for measuring and providing an indication of the energy expended in moving a load, and for converting a signal corresponding to such energy to a signal corresponding to the weight of the load.Type: GrantFiled: December 20, 1976Date of Patent: October 11, 1977Assignee: Youngstown Sheet and Tube CompanyInventors: John F. Halase, III, Homer P. Halsey, Robert L. Troup
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Patent number: 4044582Abstract: A pipe reeling machine guide for guiding and burnishing an external surface of a pipe having a work contact surface of a composition consisting essentially, in percent by weight, of: 0.70-0.90 carbon, up to 1.75 manganese, 0.08 max. phosphorus, 0.08 max. sulfur, 0.5-1.75 silicon, 8-12.0 nickel, 23-27 choromium, and the balance being essentially iron with residual impurities.Type: GrantFiled: June 14, 1976Date of Patent: August 30, 1977Assignee: Youngstown Sheet and Tube CompanyInventor: Robert G. Griffith
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Patent number: 3990330Abstract: A laminate tube structure produced by stretch reducing, in combination, a pair of tubes. The resultant tube structure is particularly adapted for use as a mandrel for supporting a piercing point of a seamless-tube mill.Type: GrantFiled: May 8, 1975Date of Patent: November 9, 1976Assignee: Youngstown Sheet and Tube CompanyInventors: Bertrand M. Reiley, Edwin J. Muccillo, Robert G. Griffith
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Patent number: 3960547Abstract: Process for producing refined steel including the provision of molten iron, adding molten steel to said molten iron to provide a molten mix, adding iron bearing material in unmolten form to said mix, and refining the mixture by blowing essentially pure oxygen therethrough.Type: GrantFiled: December 18, 1972Date of Patent: June 1, 1976Assignee: Youngstown Sheet and Tube CompanyInventors: James W. Kirkpatrick, W. Fergus Porter, William E. Shepherd
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Patent number: 3950190Abstract: A plain carbon, cold-reduced flat rolled steel product with yield strengths in an intermediate range and exhibiting good ductility, as well as a method of processing to attain said yield strength and good ductility characteristics without reliance upon the purposeful addition of precipitation strengthening agents.Type: GrantFiled: November 18, 1974Date of Patent: April 13, 1976Assignee: Youngstown Sheet and Tube CompanyInventor: Peter B. Lake
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Patent number: 3939013Abstract: A cold-rolled rimmed steel composition including vanadium and nitrogen, and process for producing the same with a preferred grain structure, which steel is particularly adapted for one-coat vitreous enameling.Type: GrantFiled: June 6, 1973Date of Patent: February 17, 1976Assignee: Youngstown Sheet and Tube CompanyInventors: Larry E. Gardner, John J. Grenawalt, Adolph John Birkle
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Patent number: D250659Type: GrantFiled: August 8, 1977Date of Patent: December 26, 1978Assignee: Youngstown Sheet and Tube CompanyInventors: Earle D. Stevenson, Gary C. Staffeld