Patents Represented by Attorney Robert F. Hause
  • Patent number: 4466225
    Abstract: Sheet metal formed into J-shaped or C-shaped cross section clips or channel that may contain short tabs struck out of the wide side or sides for positioning the clips or channel on a wood 2.times.4 to convert it effectively into deeper framing members such as a 2.times.6, providing room for the additional insulation required for present day energy conservation.
    Type: Grant
    Filed: December 3, 1981
    Date of Patent: August 21, 1984
    Assignee: National Gypsum Company
    Inventor: John K. Hovind
  • Patent number: 4455271
    Abstract: Lightweight gypsum wallboard produced by continuously combining a small amount of surface active agent with a liquid stream, which stream is made up of substantially all of the water to be used in the manufacture of a continuous web of gypsum wallboard, passing this mixture through a long cylindrical static mixing tube filled with one inch ceramic saddles, while adding a controlled quantity of air thereto, then passing the mixture through a shorter cylindrical static mixing tube of equal diameter filled with 3/8 inch ceramic Raschig rings, forming a uniformly dispersed foam of very small bubbles from the liquid by completely generating all of the surface active agent therein to form this foam, and mixing this foamed liquid with finely ground dry calcined gypsum in a suitable mixing device to form a foamed settable gypsum slurry, disposing the slurry between paper cover sheets, and forming a continuous web of gypsum wallboard.
    Type: Grant
    Filed: February 1, 1983
    Date of Patent: June 19, 1984
    Assignee: National Gypsum Company
    Inventor: Robert M. Johnson
  • Patent number: 4442151
    Abstract: A plurality of rolls of wallcovering having a wood grain design in a plurality of different widths which, in strips, is applied on a wall over previously applied adhesive, which preferably is pigmented to a relatively dark color.
    Type: Grant
    Filed: December 3, 1981
    Date of Patent: April 10, 1984
    Assignee: National Gypsum Company
    Inventor: Daniel A. Winkowski
  • Patent number: 4436204
    Abstract: A package of an aqueous slurry of drywall joint compound, which consists of a flexible cross-laminated, high density polyethylene film which, when formed into a tube, is the sole outer container and is substantially filled with the joint compound slurry.
    Type: Grant
    Filed: December 9, 1982
    Date of Patent: March 13, 1984
    Assignee: National Gypsum Company
    Inventor: Gerard T. Sowinski
  • Patent number: 4435933
    Abstract: Rigid clips, having an upper hanger portion and a lower channel formed to grasp the common elongate protrusions formed along the top edge of extruded vinyl siding, support the siding while permitting it to expand and contract freely with changes in temperature.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: March 13, 1984
    Assignee: National Gypsum Company
    Inventor: Thomas R. Krowl
  • Patent number: 4435936
    Abstract: A metal stud, intended for use where the flanges on one side will be left exposed, having such exposed side flanges formed with an overlapped sheet metal portion, including an under flange and an over flange which are spaced apart to allow a cooling air flow therebetween, wherein the under flange includes means for providing a cooling flow of air or gases at the interface of the under flange and an adjacent gypsum board, which means may be a plurality of dimples in the under flange or a combination of dimples and a plurality of spaced apart holes in the under flange.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: March 13, 1984
    Assignee: National Gypsum Company
    Inventor: Edward J. Rutkowski
  • Patent number: 4435938
    Abstract: Clips, which are rigidly affixed to a structure, are loosely affixed to vinyl siding by elements grasping the siding nailing portion.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: March 13, 1984
    Assignee: National Gypsum Company
    Inventors: Edward J. Rutkowski, Thomas R. Krowl
  • Patent number: 4429214
    Abstract: A gypsum wallboard with electrical heating wire disposed in grooves arranged to minimize tendencies for the board to crack when lifted by the two opposite board ends.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: January 31, 1984
    Assignee: National Gypsum Company
    Inventors: Robert J. Brindley, Salvatore R. Taravella, Robert M. Dean
  • Patent number: 4421808
    Abstract: A plurality of rolls of wallcovering having a wood grain design in a plurality of different widths which, in strips, is applied on a wall over previously applied adhesive, which preferably is pigmented to a relatively dark color. Alternatively, the wallcovering strips are formed with an adhesive on the back and are applied in an alternating manner with narrow, dark-colored strips having an adhesive on the back, the dark strips simulating grooves between simulated wood planks.
    Type: Grant
    Filed: April 6, 1982
    Date of Patent: December 20, 1983
    Assignee: National Gypsum Company
    Inventor: Daniel A. Winkowski
  • Patent number: 4370167
    Abstract: Drywall joint compounds in which asbestos fiber has been omitted and the physical characteristics which have heretofore depended on the presence of asbestos fiber or on attapulgite clay have been obtained by the inclusion of finely powdered sepiolite clay.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: January 25, 1983
    Assignee: National Gypsum Company
    Inventor: Patrick J. Mudd
  • Patent number: 4366660
    Abstract: An elongate formed and punched sheet metal cornerbead, for use on outside corners, adapted to be easily cut into individual wallboard corner clips, for use on inside corners.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: January 4, 1983
    Assignee: National Gypsum Company
    Inventor: Robert J. Pearson
  • Patent number: 4364212
    Abstract: A formed sheet metal stud having a flange on the opposite side of the wall from that which is exposed to a fire, which flange is formed by a double thickness of the sheet metal which is loosely folded, leaving a finite space between the two thicknesses to function as a chimney, providing a cooling effect on portions of the stud adjacent the highest temperatures of the fire. Small holes are formed in the outer face of the loosely folded flange to permit cooler air from the unexposed side of the stud to enter the void within the loosely folded flange, where the air rises and cools the stud, and/or they permit heated air rising within the void to escape.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: December 21, 1982
    Assignee: National Gypsum Company
    Inventors: Robert J. Pearson, Rodney G. Buergin
  • Patent number: 4364795
    Abstract: A paper-covered gypsum core wallboard made of a cover paper having on the inner surface a synthetic size of the class consisting of certain substituted succinic acid anhydrides, certain substituted glutaric acid anhydrides and the reaction product of maleic anhydride and an internal olefin, which reduces the absorption by the paper of components of the wet gypsum slurry, without affecting substantially the paper porosity, and, of prime importance, without any deleterious effect on the bond of the paper to the gypsum core, either prior to the drying of the board or after the drying of the board.
    Type: Grant
    Filed: August 17, 1981
    Date of Patent: December 21, 1982
    Assignee: National Gypsum Company
    Inventor: Arthur E. Kennedy
  • Patent number: 4354885
    Abstract: A method of making gypsum wallboard in which a portion of the conventional foamed gypsum slurry for forming the wallboard core is fed through a relatively high speed agitator, wherein a special addition of material is thoroughly admixed therewith to increase the fluidity without adversely affecting the density or setting characteristics and this portion of the slurry is then disposed along the edge portion of the wallboard being formed, whereby a hard-edge wallboard is produced under conditions including improved uniformity of core edge setting time, density and dimensions and reduced plug-ups of feed lines through which the core-edge material is fed.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: October 19, 1982
    Assignee: National Gypsum Company
    Inventor: George H. White
  • Patent number: 4327146
    Abstract: A gypsum wallboard, and the method of manufacture, wherein a defoamer is disposed at the gypsum-paper interface during manufacture, causing the foam, present in the core forming gypsum slurry, to break down at the gypsum-paper interface, increasing substantially the density of the gypsum at the interface, relative to the density throughout the center portion of the gypsum core.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: April 27, 1982
    Assignee: National Gypsum Company
    Inventor: George H. White
  • Patent number: 4324082
    Abstract: A metal stud, intended for use where the flanges on one side will be left exposed, having such exposed side flanges formed with an overlapped sheet metal portion, including an under flange and an over flange which are spaced apart to allow a cooling air flow therebetween, wherein the under flange includes means for providing a cooling flow of air or gases at the interface of the under flange and an adjacent gypsum board, which may be a rib in the under flange or a plurality of spaced apart holes in the under flange.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: April 13, 1982
    Assignee: National Gypsum Company
    Inventors: Edward J. Rutkowski, Carl R. Mapes, Steven D. Wing, Jack A. Dawdy
  • Patent number: 4324079
    Abstract: An elongate formed and punched sheet metal cornerbead, for use on outside corners, adapted to be easily cut into individual wallboard corner clips, for use on inside corners.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: April 13, 1982
    Assignee: National Gypsum Company
    Inventor: Robert J. Pearson
  • Patent number: 4311767
    Abstract: A paper-covered gypsum core wallboard made of a cover paper having on the inner surface a synthetic size of the class consisting of certain substituted succinic acid anhydrides, certain substituted glutaric acid anhydrides and the reaction product of maleic anhydride and an internal olefin, which reduces the absorption by the paper of components of the wet gypsum slurry, without affecting substantially the paper porosity, and, of prime importance, without any deleterious effect on the bond of the paper to the gypsum core, either prior to the drying of the board or after the drying of the board.
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: January 19, 1982
    Assignee: National Gypsum Company
    Inventor: Arthur E. Kennedy
  • Patent number: 4305901
    Abstract: A method is described for the extrusion of a mixture of a water-based latex emulsion, fibers and fillers.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: December 15, 1981
    Assignee: National Gypsum Company
    Inventors: David S. Prince, Walter E. Voisinet
  • Patent number: 4303695
    Abstract: A crinkle embossed surface on a flexible sheet goods substrate is created by means of applying an actinic radiation curable coating which is essentially solvent-free and comprises at least two photopolymerizable ethylenically unsaturated groups per molecule to the flexible sheet substrate. The coating is fully reacted and has developed essentially all of its physical properties upon exposure to actinic radiation in the temperature range of 180.degree. to 250.degree. F. for between five seconds and one minute time period resulting in a product having a clear, durable wearlayer, with stain resistant properties; scratch and scuff resistance as well as wear properties which are superior and having a uniform crinkled surface texture.
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: December 1, 1981
    Assignee: Biscayne Decorative Products, Inc.
    Inventors: Thomas J. McCann, Ernest E. Regan