Patents Represented by Attorney Charles W. Vanecek
  • Patent number: 4596838
    Abstract: A process for sealing geological formations and mine stoppings by applying to these substrates an aqueous, non-cementitious caulk composition comprising an alkali metal silicate; filler material including at least one silica product or silicate other than an alkali metal silicate; a water-soluble or water-dispersible acrylic polymer modifier; and water, and allowing the caulk composition to dry to form an air flow resistant seal on the substrates. A highly satisfactory polymeric modifier is used in the form of a polymer emulsion, such as an emulsion of a self-plasticizing acrylic polymer having a low Tg.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: June 24, 1986
    Assignee: The Celotex Corporation
    Inventor: Gregory Andreichuk
  • Patent number: 4583486
    Abstract: The present invention relates to an apparatus in which a perforated belt travels across to a moving sheet upon which granules are deposited through holes in the belt.
    Type: Grant
    Filed: January 31, 1985
    Date of Patent: April 22, 1986
    Assignee: The Celotex Corporation
    Inventor: John A. Miller
  • Patent number: 4572865
    Abstract: A method for continuously producing an insulation board comprising a rigid plastic foam core having two major surfaces and a facing material on one or both of the major surfaces, the method including conveying a facing material along a production line, depositing a partially expanded froth foam of a plastic mixture, which contains at least one frothing agent, on the facing material, and further expanding and curing the froth foam in contact wiht the facing material to form the insulation board. The board is particularly useful as roof insulation.
    Type: Grant
    Filed: December 5, 1983
    Date of Patent: February 25, 1986
    Assignee: The Celotex Corporation
    Inventors: David G. Gluck, Alberto DeLeon, John P. Oliver
  • Patent number: 4572919
    Abstract: Polyoxyalkylene surfactants for cellular foams can be prepared by reacting under free radical polymerization conditions (1) an unsaturated polyoxyalkylene adduct and (2) an esterified unsaturated dibasic acid ingredient, wherein unsaturated diester ingredient (2) either completely or partially comprises a fumarate diester.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: February 25, 1986
    Assignee: Jim Walter Resources, Inc.
    Inventor: Michael E. Londrigan
  • Patent number: 4563499
    Abstract: Polyoxyalkylene foam stabilizing surfactants can be prepared by reacting a polyoxyalkylene adduct, a cyclic nitrogenous vinyl monomer and an esterified unsaturated dibasic acid under free radical polymerization conditions in the presence of a free radical initiator, and by subjecting the reaction product obtained to a solvent extraction. The isolated components can be utilized as surfactants in producing cellular foams.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: January 7, 1986
    Assignee: The Celotex Corporation
    Inventors: Richard L. Frentzel, Ernest K. Moss
  • Patent number: 4555418
    Abstract: Polyisocyanurate foams are prepared by reacting together an organic polyisocyanate, a blowing agent, a trimerization catalyst, and a minor amount of a polyol blend comprising(a) about 5 percent to about 95 percent by weight of said blend of an alkylene oxide adduct of an aromatic amine of the formula ##STR1## wherein Z is a divalent aromatic radical, x, x', y, and y' each independently have an average value from about 1 to about 5, and each R is independently selected from the group consisting of hydrogen, alkyl or aryl, provided that the adduct is capped with ethylene oxide units, and(b) about 5 percent to about 95 percent by weight of said blend of an aromatic polyester polyol having a molecular weight of from about 150 to about 5,000. Laminates of such foams exhibit a high degree of fire resistance, low foam friability, high compressive strength, and excellent facer adhesion.
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: November 26, 1985
    Assignee: The Celotex Corporation
    Inventors: Scott C. Snider, Alberto DeLeon
  • Patent number: 4555442
    Abstract: Polyoxyalkylene surfactants for cellular foams can be prepared by reacting a polyoxyalkylene adduct and an esterified unsaturated dibasic acid in the presence of a free-radical initiator.
    Type: Grant
    Filed: April 11, 1985
    Date of Patent: November 26, 1985
    Assignee: The Celotex Corporation
    Inventor: Richard L. Frentzel
  • Patent number: 4548087
    Abstract: This invention pertains to a device for taking samples of finely crushed particulate matter, such as coal from a flowing feed stream on a preset selection schedule, using a rotating drum which has one slot in its periphery and a receptable moveable into and out of the center area of the drum in alignment with said slot.
    Type: Grant
    Filed: July 5, 1984
    Date of Patent: October 22, 1985
    Assignee: Jim Walter Resources, Inc.
    Inventor: William R. Huck
  • Patent number: 4546034
    Abstract: Polyoxyalkylene surfactants for cellular foams can be prepared by reacting under free radical polymerization conditions a polyoxyalkylene adduct, a cyclic nitrogenous vinyl monomer and an esterified unsaturated dibasic acid in the presence of an organic or inorganic per-compound and a metal catalyst.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: October 8, 1985
    Assignee: The Celotex Corporation
    Inventor: Richard L. Frentzel
  • Patent number: 4540204
    Abstract: A bell and plain end pipe joint are provided wherein the plain end has a raised portion on its outside diameter. A series of locking segments fit into a circumferential groove in the bell of one pipe and engage both the raised portion on the plain pipe and a portion of the bell. Upon an increase in fluid pressure in the pipes, the pipes tend to separate axially and the locking segments also contact and bear against a different portion of the bell. The joint provides a novel means of distributing the axial thrust tending to separate the pipe being joined.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: September 10, 1985
    Assignee: United States Pipe and Foundry Company
    Inventors: Billy J. Battle, Robert M. Graham, Lawrence S. Jones, Andrew B. Malizio, George F. Rhodes
  • Patent number: 4539341
    Abstract: A storage stable polyester polyol mixture is prepared by digesting polyalkylene terephthalate, particularly polyethylene terephthalate, with a digesting medium comprising a polycarboxylic acid component-containing polyol, wherein the polycarboxylic acid component has ring units with two ##STR1## groups on adjacent or alternate ring positions, the ring unit content of the polycarboxylic acid component being sufficient for improved storage stability of the digestion product. The polyester polyol mixture is useful in the preparation of cellular foam materials, particularly polyisocyanurate and polyurethane foams.
    Type: Grant
    Filed: February 22, 1984
    Date of Patent: September 3, 1985
    Assignee: Jim Walter Resources, Inc.
    Inventors: Richard K. Hallmark, Michael J. Skowronski, William D. Stephens
  • Patent number: 4533436
    Abstract: A method and apparatus for producing a synthetic board from cellulosic and/or lignocellulosic materials wherein a thermosettable binder, preferably a polyisocyanate binder, is applied through a cooled nozzle to the hot and wet fibrous material in the blow line out of the refiner of a board forming process. Polyphenylpolyisocyanates, such as a mixture of diphenylmethane-4,4'-diisocyanate and polymethylene polyphenyl polyisocyanates, are a particularly suitable binder.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: August 6, 1985
    Assignee: The Celotex Corporation
    Inventors: William E. Betzner, Richard K. Holtman
  • Patent number: 4532957
    Abstract: A friction reducing guide is provided as an insert in the metal gate of a resilient seated gate valve. The gate is encapsulated almost entirely with rubber except for the guide area. Friction is reduced and any corrosion resistant coating inside the valve body is protected, in the guide area, from excessive abrasion.
    Type: Grant
    Filed: June 24, 1983
    Date of Patent: August 6, 1985
    Assignee: United States Pipe and Foundry Company
    Inventors: Billy J. Battle, Lawrence S. Jones
  • Patent number: 4529745
    Abstract: Polyoxyalkylene surfactants for cellular foams can be prepared by reacting under free radical polymerization conditions (1) an unsaturated polyoxyalkylene adduct and (2) an esterified unsaturated dibasic acid ingredient, wherein unsaturated diester ingredient (2) either completely or partially comprises a fumarate diester.
    Type: Grant
    Filed: May 2, 1983
    Date of Patent: July 16, 1985
    Assignee: Jim Walter Resources, Inc.
    Inventor: Michael E. Londrigan
  • Patent number: 4522877
    Abstract: Polyoxyalkylene foam stabilizing surfactants can be prepared by reacting a polyoxyalkylene adduct, a cyclic nitrogenous vinyl monomer and an esterified unsaturated dibasic acid under free radical polymerization conditions in the presence of a free radical initiator, and by subjecting the reaction product obtained to a solvent extraction. The isolated components can be utilized as surfactants in producing cellular foams.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: June 11, 1985
    Assignee: The Celotex Corporation
    Inventors: Richard L. Frentzel, Ernest K. Moss
  • Patent number: 4520140
    Abstract: Polyoxyalkylene surfactants for cellular foams can be prepared by reacting a polyoxyalkylene adduct and an esterified unsaturated dibasic acid in the presence of a free-radical initiator.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: May 28, 1985
    Assignee: The Celotex Corporation
    Inventor: Richard L. Frentzel
  • Patent number: 4518719
    Abstract: Polyoxyalkylene surfactants for cellular foams can be prepared by reacting under free radical polymerization conditions a polyoxyalkylene adduct, a cyclic nitrogenous vinyl monomer and an esterified unsaturated dibasic acid in the presence of an organic or inorganic per-compound and a metal catalyst.
    Type: Grant
    Filed: September 10, 1984
    Date of Patent: May 21, 1985
    Assignee: The Celotex Corporation
    Inventor: Richard L. Frentzel
  • Patent number: 4516879
    Abstract: A stopping for use in improving underground mine ventilation comprising an assembly of wall elements, said wall elements comprising:(a) a plurality of rigid blocks, and(b) a plurality of compliant sealing members. The rigid blocks and compliant sealing members are combined in courses to form a wall which extends over substantially the entire cross section of a tunnel being stopped, the sealing members being interposed between and/or around the rigid blocks in a uniform or nonuniform arrangement throughout the extent of the wall so as to (i) accommodate convergence loads imposed on the wall, and (ii) form, together with the rigid blocks, a barrier against the flow of gas through the tunnel.
    Type: Grant
    Filed: May 26, 1983
    Date of Patent: May 14, 1985
    Assignee: The Celotex Corporation
    Inventors: James A. Berry, Morton Sherman, John W. Stevenson
  • Patent number: 4506931
    Abstract: A method of mining a mineral deposit from a remote point, particularly useful in mining pitching or horizontal seams, comprises boring, casing and preparing a log of a probe hole; the casing will later be used as a guide for the mining head. All personnel are remotely located from the mining face and the mining head follows the probe hole and is rotated by means of a novel drive stem powered from a portal based plant. Thrust is imparted to the rotating mining head in a non-cyclical manner by the intermittently supported drive stem. The mineral being mined is automatically removed from the face and discharged at the portal. Steel or reinforced concrete support collars follow the mining head and support the drive stem until the bore is mined out whereupon the collars, the drive stem and the guide are removed for reuse.
    Type: Grant
    Filed: June 4, 1981
    Date of Patent: March 26, 1985
    Assignee: United States Pipe and Foundry Company
    Inventor: John C. Haspert
  • Patent number: 4507197
    Abstract: An apparatus and dry method for de-shotting shot-containing mineral wool fibers wherein the fibers are treated in a granulator to compact them into entangled nodules, and the nodules are passed through an air classifier to open up and de-shot them. In a preferred embodiment, a felted layer of mineral wool is subjected to a first granulation step to divide the layer into a multiplicity of lightly compacted nodules which are then partially de-shotted, and the partially de-shotted nodules are subjected to a second granulation step to more tightly compact the nodules before they are introduced into the air classifier.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: March 26, 1985
    Assignee: Jim Walter Corporation
    Inventors: Alan R. Koenig, Edward L. Moon