Patents Examined by J. Cabaniss
  • Continuous process for making interlaced polyester yarns
    Patent number: 4622187
    Abstract: A continuous process for preparing a package of polyester yarn having a low shrinkage by spinning, hot-drawing, heat-relaxing, interlacing and winding, wherein the shrinkage is reduced while minimizing reduction of tenacity by keeping the yarn hotter, preferably by using heated air for interlacing.
    Type: Grant
    Filed: May 23, 1984
    Date of Patent: November 11, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Russell N. Palmer
  • Apparatus for gas treatment of a bed of particles
    Patent number: 4606138
    Abstract: An apparatus for gas treating a particle bed wherein a uniform temperature gradient is achieved. A support member, such as a grate, serves to support a bed of particles on a surface thereof. The support member is moved in a predetermined direction. Gas is released from a plurality of positions at different depths in the bed.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: August 19, 1986
    Assignee: Phillips Petroleum Company
    Inventor: Cecil C. Gentry
  • Extruder or calibrating die
    Patent number: 4594063
    Abstract: A die for a thermoplastic material with at least one output-gap-defining adjustable die lip, an opposing gap-bounding lip, at least one adjusting element working on the output-gap-defining die lip as well as a control and adjusting device for the thickness of the extruded plastic product, wherein the adjusting element is associated with and operated at least partially by the control and adjusting device. A field translator, either a piezotranslator or a magnetostriction translator, is employed as the adjusting element.
    Type: Grant
    Filed: July 25, 1985
    Date of Patent: June 10, 1986
    Assignee: Reifenhauser GmbH & Co. Maschinenfabrik
    Inventors: Hans Reifenhauser, Heinz Beisemann, Paul Reitemeyer, Robert Grabowski