Patents Represented by Attorney Herbert M. Hanegan

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  • Concentric compressed double twist stranded cable
    Patent number: 4473995
    Abstract: A process for the manufacture of concentric compressed or compacted stranded conductors at high speed on double-twist bunching machinery while eliminating loose strand, strand crossovers, and spiral propensity of the finished product; and the product thereof.
    Type: Grant
    Filed: February 1, 1983
    Date of Patent: October 2, 1984
    Assignee: Southwire Company
    Inventor: Bobby C. Gentry
  • Molten copper oxygenation
    Patent number: 4469513
    Abstract: In an in-line refining vessel (50) having one or more submerged porous plugs (20) for bubbling gasses through the molten metal (47) to stir the slag layer (46) covering same, an oxygen lance (40) for effectively oxygenating the melt from above. A plurality of such devices may be used in a single vessel.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: September 4, 1984
    Assignee: Southwire Company
    Inventor: William G. Staib
  • Method for controlled temperature accumulator for elongated materials
    Patent number: 4469534
    Abstract: An apparatus and method of storing a great length of continuously advancing elongate metallic material in a temperature controlled accumulator (40, 50) is disclosed to enable greater line speeds by exposing a greater length of material to the heat treatment. Several embodiments are disclosed in which heated cylindrical accumulator apparatus (40, 50) are used to store a multiplicity of wraps (45) around fixed or rotating cylinders (44, 51) which are maintained at the desired temperatures.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: September 4, 1984
    Assignee: Southwire Company
    Inventor: Jerry M. Hesterlee
  • Inclined wheel and belt casting machine
    Patent number: 4465120
    Abstract: In a continuous casting plant of the wheel and belt type, the grooved casting wheel 11, and the associated belt or band 12, are tilted laterally so that the plane of rotation is inclined. As a result, the cast bar 30 emerges from the casting wheel without any horizontal surface, and passes to bar preparation machinery with this orientation, prior to being rolled.
    Type: Grant
    Filed: January 17, 1983
    Date of Patent: August 14, 1984
    Assignee: Southwire Company
    Inventors: Michael C. Smith, Robert S. Linne
  • Method of hot-forming metals prone to crack during rolling
    Patent number: 4456491
    Abstract: A method of continuously casting a molten metal in a casting means to obtain a solidified cast bar at a hot-forming temperature, passing the cast metal at a hot-forming temperature from the casting means to a hot-forming means, and hot forming the cast bar into a wrought product by a two-stage reduction of its cross-sectional area while it is still at a hot-forming temperature, including, in the first stage, the step of forming a substantially uniform subgrain or cell structure in the outer surface layers of the cast bar by a selected small amount of deformation of the cast bar in its as-cast condition prior to the second stage in which substantial reduction of its cross-sectional area forms the wrought product.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: June 26, 1984
    Assignee: Southwire Company
    Inventors: Ronald D. Adams, E. Henry Chia
  • Combustion air blower surge control for a melting furnace
    Patent number: 4452585
    Abstract: Disclosed is a surge control method and apparatus for a combustion air blower used with a metal melting furnace which includes a variable restriction on the blower inlet regulated by a pressure sensing means near the blower outlet.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: June 5, 1984
    Assignee: Southwire Company
    Inventor: David F. Arp
  • Hydrostatic assist during rolling of cast metal
    Patent number: 4448052
    Abstract: Apparatus for and a method of hot rolling cast metal under hydrostatic pressure to achieve a substantial reduction in cross-sectional area without cracking and the improved wrought product thereof characterized by decreased segregation, better grain structure and absence of cracking.
    Type: Grant
    Filed: February 4, 1982
    Date of Patent: May 15, 1984
    Assignee: Southwire Company
    Inventor: Deepak K. Verma
  • Propped cantilevered roll stand
    Patent number: 4446712
    Abstract: An apparatus for substantially eliminating deflection of cantilevered work roll shafts and work rolls of a cantilevered type rolling mill comprising adjustable work roll support rollers which rotatably brace work rolls at points approximately 180 angular degrees from the metal stock and work roll contact area.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: May 8, 1984
    Assignee: Southwire Company
    Inventors: Kenneth R. Stone, Bapa R. Uppaluri
  • Method and apparatus for improved heat treatment of aluminum alloy rod
    Patent number: 4437901
    Abstract: Solution heat treatment of a rapidly advancing intermediate metallic product (26) is accomplished by preheating the product in a first zone (27) by conventional means, a great length of the product is maintained at the desired temperature in a second zone (36), and the heated product is quenched in a third zone (40) in a special apparatus (25), before further processing.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: March 20, 1984
    Assignee: Southwire Company
    Inventor: Bobby C. Gentry
  • Method for improved heat treatment of elongated aluminum alloy materials
    Patent number: 4437904
    Abstract: A method and apparatus for heat treating and especially annealing of elongate metallic materials such as wire wherein the wire (24) given a longer length exposure to complete the heat treatment of the wire at higher line speeds. This is accomplished either by adding a heated storage chamber (41) holding a great length of wire (24) in sequence with conventional or modified annealing apparatus, or by substitution of a special apparatus (100) for the existing conventional annealing apparatus.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: March 20, 1984
    Assignee: Southwire Company
    Inventor: Joseph MacCraven
  • Apparatus for improved heat treatment of elongated aluminum alloy materials
    Patent number: 4431168
    Abstract: A method and apparatus for heat treating and especially annealing of elongate metallic materials such as wire wherein the wire (24) given a longer length exposure to complete the heat treatment of the wire at higher line speeds. This is accomplished either by adding a heated storage chamber (41) holding a great length of wire (24) in sequence with conventional or modified annealing apparatus, or by substitution of a special apparatus (100) for the existing conventional annealing apparatus.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: February 14, 1984
    Assignee: Southwire Company
    Inventor: Joseph MacCraven
  • Cantilevered roll shaft bearing bracket
    Patent number: 4423612
    Abstract: Apparatus for limiting ruinous rotary deflection and bending moment of roll shafts of a cantilevered type rolling mill. The present invention is a dual bearing bracket which connects the cantilevered ends of roll shafts in bearings to maintain constant parallel rotary alignment of the roll shafts. Thus, roll shaft service life is increased by limiting roll shaft deflection and bending moment.
    Type: Grant
    Filed: December 18, 1981
    Date of Patent: January 3, 1984
    Assignee: Southwire Company
    Inventor: Bapa R. Uppaluri
  • Fail safe air wipe
    Patent number: 4421154
    Abstract: A fail safe air wipe for use with a casting band cleaning system wherein cleanser and rinsing agent used to clean the casting band of a continuous casting machine is removed from the band by mechanical wiping means when pneumatic supply to pneumatic wiping means falters to prevent explosion which may result from contacting the molten material being cast with the cleanser or rinsing agent.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: December 20, 1983
    Assignee: Southwire Company
    Inventor: Michael C. Smith
  • Apparatus for controlled temperature accumulator for elongated materials
    Patent number: 4421304
    Abstract: An apparatus and method of storing a great length of continuously advancing elongate metallic material in a temperature controlled accumulator (40, 50) is disclosed to enable greater line speeds by exposing a greater length of material to the heat treatment. Several embodiments are disclosed in which heated cylindrical accumultor apparatus (40, 50) are used to store a multiplicity of wraps (45) around fixed or rotating cylinders (44, 51) which are maintained at the desired temperatures.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: December 20, 1983
    Assignee: Southwire Company
    Inventor: Jerry M. Hesterlee
  • Cooling apparatus for wheel-band continuous casting machines
    Patent number: 4412580
    Abstract: Disclosed is an apparatus for and a method for more uniform and rapid cooling of molten metal, which is continuously cast into a wheel-band machine, by dispersing a relatively small amount of coolant from the periphery of a band presser wheel onto the continuous metal band at the point where the molten metal first contacts said band, with the unexpected beneficial effects of increasing the cast bar temperature and greatly reducing the amount of inverse segregation on the band-side surface of the resulting cast bar.
    Type: Grant
    Filed: November 26, 1980
    Date of Patent: November 1, 1983
    Assignee: Southwire Company
    Inventors: Kenneth E. Chadwick, E. Henry Chia, Robert H. Ogletree, Frank M. Powers, Larry S. Richardson
  • Method of and apparatus for radiation pyrometric temperature measurement of a continuous cast metal bar
    Patent number: 4408903
    Abstract: Disclosed are a method of and apparatus for radiation pyrometric temperature measurement of a continuous cast metal bar. Cast bar advancing from a continuous casting machine is continuously monitored for temperature without contacting the cast bar with any apparatus by applying a layer of soot onto the surface of the bar, detecting infrared radiation emitted from the sooted area, converting the detected radiation into a temperature signal, displaying the temperature, and completely removing the soot from the cast bar before it enters a rolling mill.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: October 11, 1983
    Assignee: Southwire Company
    Inventor: Giuseppe Baldasarri
  • Core wire coating strander
    Patent number: 4406114
    Abstract: Apparatus and method for constructing a corrosion resistant multistrand electrical power cable or wire rope comprising a uniformly greased core wire with at least one outer wire helically applied thereover wherein corrosion inhibitor is and accurately applied to the core wire in a uniform coat immediately prior to stranding of the wires into a cable or rope.
    Type: Grant
    Filed: October 26, 1981
    Date of Patent: September 27, 1983
    Assignee: Southwire Company
    Inventors: Jerry W. Lanier, O. Leon Thomas
  • Conduit coupling holding apparatus
    Patent number: 4406058
    Abstract: Disclosed is an apparatus and method for holding a conduit coupling in place during the process of transporting and attaching the coupling to a length of conduit which substantially eliminates problems with cross threading, coupling and conduit damage, lengths of conduit without couplings and the like.
    Type: Grant
    Filed: December 24, 1980
    Date of Patent: September 27, 1983
    Assignee: Southwire Company
    Inventor: Charles Dixon
  • Dual fuel burner for metal melting furnaces
    Patent number: 4402740
    Abstract: Disclosed is an improved high velocity dual fuel burner and a method for firing a vertical shaft metal melting furnace with gaseous or liquid fuel in which the burner nozzle is adapted to mix and ignite both types of fuels alternately or in combination by means of three concentric nozzles including a central oil spraying nozzle, an intermediate nozzle to supply natural gas and an outermost nozzle to supply combustion air.
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: September 6, 1983
    Assignee: Southwire Company
    Inventors: David F. Arp, Ronald L. Pariani
  • Traverse annealer
    Patent number: 4398973
    Abstract: Disclosed is an improved system for annealing strand of the type comprising at least two sheaves across which the strand passes and becomes electrically annealed, the improvement comprising a first flange member, a second flange member concentric with the first flange member and adjacent thereto, a wide annealing band positioned between the first and second flange members and forming the bottom of a sheave groove, and means for guiding the strand being annealed traversely across a traverse zone of the band to increase longevity of the band while substantially eliminating detrimental arcing by providing an insulating air gap between the strand and either of the flange members.
    Type: Grant
    Filed: October 26, 1981
    Date of Patent: August 16, 1983
    Assignee: Southwire Company
    Inventor: O. Leon Thomas