Patents by Inventor Lyle D. Sieg

Lyle D. Sieg 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).

  • Cable stripper device
    Patent number: 5632088
    Abstract: A cable stripper for use with a cable anchor has an elongate cutter on a tubular body, the cutter having at one end thereof, an inwardly projecting transverse cutter blade. The cutter and the tubular body are connected so as to allow the cutter to move relative to the tubular body, which is insertable into said passage in the cable anchor, with the cable extending through the tubular body, so as to cause the frusto-conical internal surface to wedge the cutter blade into penetrating engagement with a sheath on the cable.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: May 27, 1997
    Inventors: Dan Naso, Lyle D. Sieg
  • Anchorage assembly and method for post-tensioning in pre-stressed concrete structures
    Patent number: 5630301
    Abstract: An anchorage assembly for post-tensioning a tendon in a pre-stressed concrete structure, comprises an anchor having a bore for receiving the tendon, the bore comprising a first bore portion which is convergent inwardly of the anchor and a second bore portion. Wedges are in wedging engagement between the first bore portion and the tendon to retain the tendon, and a seal is engaged between the second bore portion and the tendon, the seal having a wedge-shaped cross-section and being compressed by a wedging action between and into sealing engagement with the second bore portion and the tendon.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: May 20, 1997
    Assignee: Harris P/T, A Division of Harris Steel Limited
    Inventor: Lyle D. Sieg