Patents by Inventor Itzchak Lapsker

Itzchak Lapsker 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).

  • Method and apparatus for high tolerance polishing of a workpiece surface
    Patent number: 4677793
    Abstract: Apparatus for finishing a workpiece comprising a resilient abrasive finishing element arranged for motion relative to a workpiece surface and in pressure engagement therewith. Methods of finishing a workpiece employing this apparatus are also disclosed. Both grinding and high surface quality polishing may thus be provided using the same machine tool, such as a lathe or milling machine, and appropriate finishing elements.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: July 7, 1987
    Assignee: GBI International Industries, Inc.
    Inventor: Itzchak Lapsker
  • Apparatus for high tolerance polishing of a workpiece surface
    Patent number: 4583328
    Abstract: Apparatus for finishing a workpiece comprising a resilient abrasive finishing element arranged for motion relative to a workpiece surface and in pressure engagement therewith. Methods of finishing a workpiece employing this apparatus are also disclosed. Both grinding and high surface quality polishing may thus be provided using the same machine tool, such as a lathe or milling machine, and appropriate finishing elements.
    Type: Grant
    Filed: June 9, 1982
    Date of Patent: April 22, 1986
    Assignee: GAL International Industries Inc.
    Inventor: Itzchak Lapsker
  • Apparatus for high tolerance polishing of a work-piece surface
    Patent number: 4361987
    Abstract: A method for polishing a workpiece comprising the steps of providing a polishing element formed of a volume of abrasive containing resilient material and causing the polishing element to move rapidly against a workpiece surface under pressure. Apparatus for carrying out the method is also disclosed.
    Type: Grant
    Filed: January 22, 1980
    Date of Patent: December 7, 1982
    Assignee: GAL International Industries Inc.
    Inventor: Itzchak Lapsker