Patents Assigned to Special Metals Corporation
  • Patent number: 9815147
    Abstract: A welding filler metal or a welding filler metal product having, in weight percent: 17.0-23.0% chromium, 5.0-12.0% molybdenum, 3.0-11.0% tungsten, 3.0-5.0% niobium, 0-2.0% tantalum, 1.2-3.0% titanium, 0.005-1.50% aluminum, 0.0005-0.100% carbon, <2.0% iron, <5.0% cobalt, and balance nickel wherein the nickel is 56.0-65.0%. A weld deposit formed from the welding filler metal has a minimum yield strength in the as-welded condition of at least 72 ksi (496 MPa). Also, a weld deposit and a method of forming a weld deposit comprising, in weight percent: 17.0-23.0% chromium, 5.0-12.0% molybdenum, 3.0-11.0% tungsten, 3.0-5.0% niobium, 0-2.0% tantalum, 1.2-3.0% titanium, 0.005-1.50% aluminum, 0.0005-0.100% carbon, <8.0% iron, <5.0% cobalt, and balance nickel wherein the nickel is 56.0-65.0%. The weld deposit has a minimum yield strength in the as-welded condition of at least 72 ksi (496 MPa).
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: November 14, 2017
    Assignee: SPECIAL METALS CORPORATION
    Inventors: Samuel D. Kiser, Ronald D. Gollihue, Sarwan K. Mannan
  • Publication number: 20020044882
    Abstract: A low cost, highly heat and corrosion resistant alloy useful for the manufacture of diesel engine components, particularly exhaust valves, comprises in % by weight about 0.15-0.65% C, 40-49% Ni, 18-22% Cr, 1.2-1.8% Al, 2-3% Ti, 0.9-7.8% Nb, not more than 1% Co and Mo each, the balance being essentially Fe and incidental impurities. The Ti:Al ratio is ≦2:1 and the Nb:C weight % ratio is within a range of 6:1 and 12:1. Ta may be substituted for Nb on an equiatomic basis.
    Type: Application
    Filed: August 22, 2001
    Publication date: April 18, 2002
    Applicant: Special Metals Corporation
    Inventors: Michael G. Fahrmann, Gaylord D. Smith
  • Patent number: 5490870
    Abstract: A multi-component composition suitable for amalgamation with mercury to form a dental amalgam, an amalgam and a method for producing such a multi-component composition. The multi-component composition has: from 30 to 90% (by weight) of a first component containing at least 30% silver, at least 20% tin and at least 10% copper; from 10 to 70% (by weight) of a second component, or alternatively, from 5 to 65% (by weight) of a second component and from 5 to 65% (by weight) of a fourth component, the second and fourth components containing at least 30% silver, at least 20% tin and at least 10% copper; and up to 15% (by weight) of a third component containing silver and/or alloy powder containing at least 80% (by weight) silver. The first component is spherically shaped atomized alloy powder. The second component is mechanically worked atomized alloy powder. The surface area to volume ratio of the powder of the second component is greater than the surface area to volume ratio of the powder of the first component.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: February 13, 1996
    Assignee: Special Metals Corporation
    Inventors: Richard W. Fountain, Kamal Asgar
  • Patent number: 5451244
    Abstract: A process for preparing a consolidated nickel-base superalloy compact suitable for tensile force inducing high strain rate deformation. It includes the steps of: preparing a melt of a nickel-base superalloy in a vacuum; atomizing the melt into powder in a protective atmosphere; collecting the powder; screening the powder to proper size; introducing the powder into a container; evacuating and sealing the container in a vacuum; and consolidating the powder under pressure at a temperature below the solidus temperature of the alloy and at a temperature at which grain boundaries grow past prior particle boundaries.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: September 19, 1995
    Assignee: Special Metals Corporation
    Inventor: B. Wayne Castledine
  • Patent number: 5396986
    Abstract: A mixing capsule for mixing a first material with a second material, and in particular, a capsule in which the materials are kept separated and brought together only at the time they are to be mixed. The capsule is characterized by a pierceable partition which separates the materials to be mixed, a projection for piercing the partition and two grooves and a ridge. One of the grooves cooperates with the ridge so as to maintain the projection away from the pierceable partition during storage and transport. The other groove cooperates with the ridge so as to hold the mixing capsule together and prevent leakage once the partition is pierced.
    Type: Grant
    Filed: April 19, 1994
    Date of Patent: March 14, 1995
    Assignee: Special Metals Corporation
    Inventors: Richard W. Fountain, John W. Gillespie
  • Patent number: 5354353
    Abstract: A multi-component composition suitable for amalgamation with mercury to form a dental amalgam, an amalgam and a method for producing such a multi-component composition. The multi-component composition has: from 30 to 90% (by weight) of a first component containing at least 30% silver, at least 20% tin and at least 10% copper; from 10 to 70% (by weight) of a second component containing at least 30% silver, at least 20% tin and at least 10% copper; and up to 15% (by weight) of a third component containing silver and/or alloy powder containing at least 80% (by weight) silver. The first component is spherically shaped atomized alloy powder. The second component is mechanically worked atomized alloy powder. The surface area to volume ratio of the powder of the second component is greater than the surface area to volume ratio of the powder of the first component.
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: October 11, 1994
    Assignee: Special Metals Corporation
    Inventors: Richard W. Fountain, Kamal Asgar
  • Patent number: 5351515
    Abstract: A rocker mill includes a pair of roll dies rotatably mounted in a structure and having tapered circumferential grooves for receiving a workpiece. A support is provided for supporting the structure so that it is longitudinally movable relative to the support. The support is rotatably mounted on a frame. A reciprocating driving apparatus is provided for reciprocating the roll dies longitudinally relative to the support through a reduction stroke and a smoothing stroke. A rotating driving apparatus is provided for rotating the roll dies around a longitudinal axis of a workpiece. A method of forming reduced diameter tubing is also described.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: October 4, 1994
    Assignee: Sandvik Special Metals Corporation
    Inventors: Eugene R. Astley, Charles S. Rutkowski, Jon L. Osborne
  • Patent number: 5332454
    Abstract: A method of manufacturing corrosion resistant tubing from seam welded stock of a titanium or titanium alloy metallic material having a hexagonal close-packed crystal structure. The method includes cold pilgering a seam welded tube hollow having a weld area along the seam in a single pass to a final sized tube. The cold pilgering effects a reduction in cross sectional area of the tube hollow of at least 50% and a reduction of wall thickness of at least 50% thereby orienting the crystals in a radial direction. The method also includes annealing the final sized tubing at a temperature and for a time sufficient to effect complete recrystallization and reform grains in the weld area into smaller, homogeneous radially oriented grains. After the recrystallization annealing step, the tubing exhibits enhanced corrosion resistance which is similar to seamless tubing.
    Type: Grant
    Filed: March 9, 1993
    Date of Patent: July 26, 1994
    Assignee: Sandvik Special Metals Corporation
    Inventors: Steven E. Meredith, James F. Benjamin
  • Patent number: 5292143
    Abstract: A dropout for a bicycle receiving tube includes an integral consumable ring which is melted upon the application of heat thereto to form a weld joint between the tube and the dropout. A one-piece dropout for a front axle includes a cylindrical mounting portion, a slotted front portion, and a tapered transition portion. The dropout can be cast or machined from a single piece of barstock such that the slotted front portion is offset radially inwardly relative to a largest outer diameter of the dropout. A three-piece dropout for receiving a rear axle includes two transition elements and a slotted plate welded to the transition elements.
    Type: Grant
    Filed: June 9, 1992
    Date of Patent: March 8, 1994
    Assignee: Sandvik Special Metals Corporation
    Inventors: Dennis J. Stauch, William E. Shaffer
  • Patent number: 5185125
    Abstract: A dental alloy having, upon amalgamation, a desirable combination of physical properties and both a desirable condense time and carve time. The alloy contains from 48.75 to 50.75% silver, 20.25 to 21.75% copper, 28.25 to 29.25% tin, 0.05 to 0.8% palladium and up to 2.7% of elements selected from the group consisting of zinc, indium, manganese, cadmium, aluminum, gallium, ruthenium and mercury.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: February 9, 1993
    Assignee: Special Metals Corporation
    Inventors: Susan L. Smith, Richard W. Fountain
  • Patent number: 5125274
    Abstract: A test apparatus for testing objects such as tubing is disclosed. The apparatus includes a rotatively fixed transducer and a rotating lens, wherein the transducer receives an input signal and converts it into an emitted wave energy, the lens focuses the emitted wave energy onto the tubing and focuses reflected wave energy from the tubing back onto the transducer, and the transducer receives the reflected wave energy and converts it into an output signal. The transducer can be provided on one support shell and the lens can be provided on another support shell. One of the support shells can then be positioned within the other support shell. The apparatus is useful for performing dimensional tests and longitudinal and circumferential flaw tests on tubing.
    Type: Grant
    Filed: November 7, 1990
    Date of Patent: June 30, 1992
    Assignee: Sandvik Special Metals Corporation
    Inventor: Dennis H. Gilbert
  • Patent number: 5122334
    Abstract: A zirconium-base alloy including gallium in amounts effective to improve creep strength of the alloy. The Zr-base alloy can include up to 1 wt. % Ga, up to 0.5 wt. % oxygen, up to 1 wt. % Sn and up to 1 wt. % total of Fe, Cr and V. For instance, the alloy can include 0.5-0.5 wt. % Ga, 0.1-0.7 wt. % Sn, 0.1-0.5 wt. % Fe, 0.15-0.4 wt. % V, 0-0.5 wt. % Cr, 0.1-0.25 wt. % oxygen, balance Zr and unavoidable impurities. The alloy is particularly useful as a component of a fuel assembly such as a fuel tube.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: June 16, 1992
    Assignee: Sandvik Special Metals Corporation
    Inventor: Ellis R. Bradley
  • Patent number: 5103458
    Abstract: A process for casting an ingot of pre-alloyed metal from a consumable electrode. It includes the steps of: providing a consumable electrode corresponding to the desired metallurgical composition of the to-be-cast ingot; providing a second electrode; striking an arc between the consumable electrode and the second electrode to melt the consumable electrode and thereby form a molten pool; maintaining the arc between the consumable electrode and the molten pool; rotating or oscillating the consumable electrode about its axis during melting; providing a controlled atmosphere for the melting of the consumable electrode; delivering molten metal into a fluid cooled mold; and withdrawing the ingot from the mold.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: April 7, 1992
    Assignee: Special Metals Corporation
    Inventor: Ferhun H. Soykan
  • Patent number: 5025977
    Abstract: A metal drop-out is attached to a receiving tube of a bicycle frame. The drop-out includes a slotted axle-retaining section and a mounting section which is of one-piece integral construction with the axle-retaining section. The mounting section is bent relative to the axle-retaining section along a transverse band region by an angle by about 10 to 90 degrees. An end edge of the mounting section is machined to a generally cylindrical configuration defining a first longitudinal axis. The machined end edge of the mounting section is inserted into an end of a receiving tube and is welded thereto.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: June 25, 1991
    Assignee: Sandvik Special Metals Corporation
    Inventor: Joel R. Hartman
  • Patent number: 5018735
    Abstract: A wood golf club shaft adapted to receive a wood club head is about 44 to 45 in. total length from a butt end to a tip end thereof. The shaft comprises a butt section, a tip section, and a tapered section interconnecting the butt and tip sections. The tapered section tapers down toward the tip section at a rate of 0.021 in./in. The tapered section has a length shorter than a length of the butt section, longer than a length of the tip section, and no longer than about 13 in. The shaft has a low kick point disposed at a distance of at least about 29 inches from the butt end.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: May 28, 1991
    Assignee: Sandvik Special Metals Corporation
    Inventors: Steven E. Meredith, James F. Benjamin
  • Patent number: 4993251
    Abstract: A rocker mill for reducing the diameter of metal tubes includes a rollstand mounted on a reciprocable sled. The rollstand includes upper and lower roll dies between which the tubes travel as the sled and rollstand are reciprocated. The roll dies are mounted on tapered segments of respective arbors to facilitate removal of the roll dies. The arbors are driven by respective spur gears which are in meshing relationship on one side of the rollstand. One of the spur gears is driven by a pinion gear coaxially attached thereto on the same side of the rollstand as the spur gears. The rollstand is arranged to be slid horizontally from the sled after a plurality of fasteners have been released. A stationary toothed rack which drives the drive gear is spring-biased vertically to raise the rack in order to facilitate the sliding of the rollstand off the sled.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: February 19, 1991
    Assignee: Sandvik Special Metals Corporation
    Inventors: David J. Szendre, Jon L. Osborne, Charles S. Rutkowski, Anthony A. Duerring, Bruce O. Foster
  • Patent number: 4961576
    Abstract: A hollow metallic shaft for sporting implements includes a cylindrical tip section having a first constant wall thickness, a shank section including a tapered portion and having a second constant wall thickness, and a cylindrical portion located adjacent the tapered portion and opposite the tip section. An increase in wall thickness provides additional reinforcement at the tip section. The method of making the shaft includes an initial rotary swaging of an end portion of the shaft followed by a series of sink drawing operations to form a stepped contour on the outer periphery of the shaft. A final rotary swaging of the stepped contour provides the shaft with a smooth taper towards one end.
    Type: Grant
    Filed: November 23, 1988
    Date of Patent: October 9, 1990
    Assignee: Sandvik Special Metals Corporation
    Inventor: Steven E. Meredith
  • Patent number: 4955220
    Abstract: A rocker mill includes a rollstand and a carriage for supporting and repositioning a workpiece extending through the rollstand. A first hollow-shafted electric motor is mounted on the carriage and includes a first hollow open-ended rotor and threaded nut through which the stationary feedscrew passes. The threaded nut is connected to the first motor to be rotated thereby in order to move the carriage longitudinally toward the rollstand. A second hollow-shafted electric motor is mounted on the carriage and includes a second hollow open-ended rotor and a clamp through which the workpiece passes. The clamp is actuated into clamping engagement with the workpiece for transmitting rotational and longitudinal movements thereto. Such mechanism for imparting rotary and longitudinal movements to the workpiece is of very low inertia and thus is able to reposition the workpiece with a high degree of precision.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: September 11, 1990
    Assignee: Sandvik Special Metals Corporation
    Inventor: Anthony A. Duerring
  • Patent number: 4808225
    Abstract: A process for producing an alloy product of improved ductility from metal powder. It includes the steps of: providing metal powder having at least 5 wt. % of one or more reactive elements from the group consisting of titanium, aluminum, hafnium, niobium, tantalum, vanadium and zirconium; consolidating the powder to an essentially fully dense shape; and progressively melting and solidifying localized areas of the consolidated shape so as to produce a product of improved ductility.
    Type: Grant
    Filed: January 21, 1988
    Date of Patent: February 28, 1989
    Assignee: Special Metals Corporation
    Inventors: Stephen J. Donachie, James W. Fesko, James J. Furgal, Francis E. Sczerzenie
  • Patent number: 4664855
    Abstract: A process for manufacturing an atomized amalgamable alloy having mold adaptation characteristics superior to other atomized alloys and comparable or better than those for ad-mixed type alloys (alloys which are mixtures of spherical and irregularly shaped particles), and physical properties comparable to ad-mixed alloys. The process includes the steps of: producing a melt of an amalgamable alloy; atomizing the alloy so as to form particles which are primarily irregular in shape; collecting the particles; drying the particles; mechanically working the particles so as to fracture and change their shape; classifying the particles to finer than 53 microns; heat treating the particles; and reducing oxides from the surface of the particles.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: May 12, 1987
    Assignee: Special Metals Corporation
    Inventors: David L. Tremblay, Kamal Asgar