Patents Represented by Attorney, Agent or Law Firm Greg Dziegielewski
  • Heating of heat transfer media
    Patent number: 4615718
    Abstract: Heat transfer media is heated by passing the media downwardly through a chamber, introducing hot gases near the top of the chamber, introducing hot gases near the bottom of the chamber, and exhausting hot gases from a hot gas outlet positioned near the middle of the chamber.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: October 7, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Stephen Seng
  • Method and apparatus for forming glass fibers
    Patent number: 4612027
    Abstract: A feeder for the production of glass filaments is provided with dripless and non-dripless fields of stream defining orifices to, in part, have the advantages of dripless as well as non-dripless type feeders.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: September 16, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Jerome F. Marra
  • Roll-up method and apparatus for mineral fiber pack
    Patent number: 4602471
    Abstract: Apparatus and method for packaging flexible compressible strips of mineral fibers into rolls comprises an endless belt, means for supporting the belt in a manner to define a loop inside which the strips can be rolled, and a compression member from maintaining the strip in compression upstream from the loop, where the compression member is mounted for movement toward and away from the loop.
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: July 29, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: William E. Gray, Ronald R. Harris
  • Blower for mineral fiberizer
    Patent number: 4601742
    Abstract: Apparatus for producing mineral fibers comprises a spinner mounted for rotation to centrifuge mineral fibers from molten mineral material, an annular blower positioned concentrically outwardly from the spinner for turning the mineral fibers downwardly and inducing a downward flow of air around the spinner, and an airfoil mounted above the blower to provide a downwardly converging annular passageway above the blower for the induced air, the blower and the airfoil forming a substantially continuous curved surface, being curved radially inwardly at the blower.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: July 22, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Farrokh Kaveh
  • Method and apparatus for producing a continuous glass filament mat
    Patent number: 4601741
    Abstract: A method and apparatus for producing a mat of highly dispersed continuous glass filaments at increased throughput while maintaining desirable tensile strength characteristics by means of an oscillatable, fluidic distribution system.
    Type: Grant
    Filed: April 8, 1985
    Date of Patent: July 22, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: David V. Stotler, Fred S. Coffey
  • Method and apparatus for producing a continuous glass filament mat
    Patent number: 4600423
    Abstract: A method and apparatus for producing a mat of highly dispersed continuous glass filaments at increased throughput while maintaining desirable tensile strength characteristics is provided by means of an oscillatable, fluidic distribution system.
    Type: Grant
    Filed: May 1, 1985
    Date of Patent: July 15, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: David V. Stotler, Fred S. Coffey
  • Method of depositing a membrane within a conduit
    Patent number: 4589447
    Abstract: A method of depositing a coiled member and, optionally, a membrane in a conduit in contact with the walls of the conduit involves placement of the coiled member in the conduit in a longitudinally expanded condition and releasing the force on the coiled member to cause it to contract and expand against the walls of the conduit.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: May 20, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: John L. Kane, G. Richard Machlan
  • Size compositions for glass fibers
    Patent number: 4584110
    Abstract: An aqueous size composition is disclosed. The size composition is intended for glass fibers produced for carding and blending. The size contains polyvinyl alcohol and an antistatic agent which yields a firm forming tube from which yarn may be removed from the inside. The yarns have the advantage of being able to be cut into short lengths which disperse well without disintegrating.
    Type: Grant
    Filed: June 11, 1984
    Date of Patent: April 22, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Gerald E. Rammel
  • Hot melt glass fiber coating
    Patent number: 4581392
    Abstract: A non-aqueous hot melt coating for glass fibers consisting of a silane, an ethylene-ethyl acrylate copolymer, a microcrystalline wax, a phenolic-modified terpene resin and a chemically modified polyolefin for coating glass fibers which can be employed as resin reinforcement.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: April 8, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Gordon P. Armstrong, Martin C. Flautt, Jean-Claude Pollet
  • Apparatus for producing chopped strands of glass fibers
    Patent number: 4576621
    Abstract: Apparatus for drawing molten streams of glass into filaments and severing the filaments into segments is provided wherein the cot wheel is eccentrically mounted to provide automatic micro-adjustment with respect to the cutter roll, and wherein the cutter roll is releasably secured to provide macro-adjustment to accomodate cot wheels of different diameters.
    Type: Grant
    Filed: January 7, 1985
    Date of Patent: March 18, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Robert N. Chappelear, Alex P. Symborski
  • Apparatus for producing glass fibers
    Patent number: 4571251
    Abstract: Apparatus for the production of glass filaments is provided comprising a feeder for supplying streams of molten glass to be attenuated into filaments, means for attenuating the streams into filaments and an environmental control means adapted to remove heat from the fiber forming region comprised of a plurality of fin-like members positioned between the streams of molten glass being attenuated into filaments, the first end of said members being permanently secured to a first cooling manifold and the second end of said members being releasably positioned within notches in a second manifold.
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: February 18, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Timothy A. Sullivan, Gregory L. Morgan
  • Two-stage heating media feeder for a glass batch preheating drum
    Patent number: 4565562
    Abstract: The heating media feeder includes a hollow conical frustum facing an inlet in the drum end plate, an aperture in the periphery of the conical frustum, a baffle outside the conical frustum aligned with a leading edge of the aperture therein, a circular plate adjacent a smaller end of the conical frustum, an aperture in the circular plate forwardly offset from that in the conical frustum, and a generally V-shaped chute on an opposite side of the circular plate aligned with the aperture therein.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: January 21, 1986
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Stephen Seng
  • Method of making glass fiber forming feeders
    Patent number: 4561870
    Abstract: A method of making an orificed discharge wall for supplying a plurality of streams of molten glass to be attenuated into filaments is provided comprising inserting elements in apertures in a member; adhesively securing an elastic membrane to said member and elements, said membrane adapted to isostatically transmit pressure to said elements and member; applying isostatic pressure to the elements and member to mechanically seal the elements to the member; and fusing the mechanically sealed elements and member together to prevent the unwanted passage of molten glass between said elements and said member, said elements having an orifice to permit the passage of molten glass therethrough to establish said streams.
    Type: Grant
    Filed: August 9, 1984
    Date of Patent: December 31, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Mohinder S. Bhatti
  • Mat binders
    Patent number: 4560612
    Abstract: A glass fiber binder consisting of a urea-formaldehyde resin, a styrene-butadiene latex copolymer and a fully methylated melamine-formaldehyde copolymer.
    Type: Grant
    Filed: May 16, 1984
    Date of Patent: December 24, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Ben J. Yau
  • Roving winder controller
    Patent number: 4556176
    Abstract: Method and apparatus for controlling a roving winder compares the number of strands of material actually being wound to a number of strands which should be wound into a roving. The controller stops the winding process if the two numbers are not equal. The use of a microprocessor allows not only the comparison but also generation of a control signal and a means to communicate the process information to a host computer.
    Type: Grant
    Filed: December 11, 1984
    Date of Patent: December 3, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Gary M. Miller
  • Method and apparatus for forming glass filaments
    Patent number: 4551160
    Abstract: Method and apparatus are provided for forming glass filaments wherein a transfer guide means is movable between a strand threadup position and a transfer zone immediately adjacent the primary attenuation means, said transfer guide being adapted to move a strand about to be restarted which is being advanced by a secondary attenuation means into contact with the primary attenuation means to be advanced thereby and to release such strand when said transfer guide is at a predetermined zone to permit the transfer of such strand being advanced by the secondary attenuation means to the primary attenuation means in the absence of reducing the speed of the primary attenuation means.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: November 5, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Richard C. Frailey, Alex P. Symborski
  • Method of molding multi-ply polymeric composites
    Patent number: 4551390
    Abstract: This invention pertains to a method to permit the molding of a plurality of plies of polymeric compositions into an integral molded object having a minimum number of internal flaws and, therefore, improved properties. The plies are positioned in contiguous relationship, and the initiation of the polymerization reactions is controlled by selecting catalyst systems which substantially simultaneously initiate polymerization in each of the plies to prevent the development of curing seams at the points of contact between the plies.
    Type: Grant
    Filed: May 9, 1983
    Date of Patent: November 5, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: John L. Canning, John F. Kay
  • Highly dispersed continuous glass fiber mats
    Patent number: 4547421
    Abstract: A mat comprised of at least one layer of highly dispersed continuous glass fiber strands is produced according to defined parameters for use in reinforcing thermoplastic as well as thermosetting materials.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: October 15, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Sidney G. Dunbar
  • Bathtub assembly
    Patent number: 4541130
    Abstract: A tub assembly is provided wherein a bathtub assembly comprised of a bowl section having an apron extending downwardly therefrom and a pivotally mounted apron brace releasably secured to the bottom of the bowl in a first position to permit nestable stacking of one tub assembly within another for shipping and rigidly securable in a second position to provide lateral support to the apron.
    Type: Grant
    Filed: April 10, 1984
    Date of Patent: September 17, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Scott A. Calvert, Robert J. Gelin, Dale Aberegg
  • Apparatus for producing glass fibers
    Patent number: 4541853
    Abstract: Apparatus for the production of glass filaments is provided comprising a feeder for supplying streams of molten glass to be attenuated into filaments, means for attenuating the streams into filaments and an environmental control means adapted to remove heat from the fiber forming region comprised of a plurality of fin-like members positioned between the streams of molten glass being attenuated into filaments, the first end of said members being permanently secured to a first cooling manifold and the second end of said members being releasably positioned within tapered notches in a second manifold.
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: September 17, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Timothy A. Sullivan, Gregory L. Morgan, Arthur S. Warner