Patents by Inventor Ingvar G. A. Blom

Ingvar G. A. Blom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Refractory lining and process for its manufacture
    Patent number: 4617280
    Abstract: Refractory lining for e.g. casting boxes comprising a refractory matrix and precipitated silica, the silica being precipitated in situ to form a structure, imparting to the material a volume weight of from about 0.8 to about 1.2 g/cm.sup.3, the material being substantially free from carbon, hydrogen and available oxygen; process for the manufacture of such refractory lining.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: October 14, 1986
    Assignee: Hoganas AB
    Inventors: Paul L. Ivarsson, Ingvar G. A. Blom, Lars G. Berg
  • Refractory lining for a furnace
    Patent number: 4569659
    Abstract: The invention relates to a lining for a furnace (1). The lining consists of pre-fabricated refractory ceramic anchoring elements (6, 7, 14), containing the fastening irons necessary for attaching the lining to the sheet mantle (5) and a refractory ceramic casting mass (8) between the anchoring elements for forming a monolithic lining. When relining the furnace the removal of the old lining is facilitated by first rupturing the anchoring elements.
    Type: Grant
    Filed: November 4, 1982
    Date of Patent: February 11, 1986
    Assignee: Hoganas AB
    Inventors: Erik T. Olsen, Ingvar G. A. Blom
  • Process for repairing refractory linings
    Patent number: 4400335
    Abstract: The invention relates to a process for repairing hot refractory linings by applying a refractory composition by spraying on to the part of the lining to be repaired. The invention resides in the improvement comprising applying a composition containing an effective amount of combustible elongated channel-forming elements substantially evenly distributed throughout the composition.
    Type: Grant
    Filed: December 15, 1981
    Date of Patent: August 23, 1983
    Assignee: Hoganas AB
    Inventors: Lennart P. Ivarsson, Ingvar G. A. Blom
  • Refractory lining for a metal pipe
    Patent number: 4367868
    Abstract: A metal pipe, which is to be protected from high temperature and from the attack of molten metals and slags, is protected by an exterior lining consisting of a refractory ceramic composition which has been moulded between two coaxially placed tubes. The inner tube and preferably also the outer tube is a thin-walled metal tube permitting the lining to slide on the metal pipe on thermal movements.
    Type: Grant
    Filed: October 1, 1980
    Date of Patent: January 11, 1983
    Assignee: Hoganas AB
    Inventors: Ingvar G. A. Blom, Reima J. Vuokivi