Patents by Inventor Paul P. Krawiec

Paul P. Krawiec 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).

  • Blind fastener with deformable sleeve
    Patent number: 5634751
    Abstract: A blind fastener having a body, a core bolt, a nut and a sleeve. The core bolt passes through an axial bore of the body and includes an externally threaded portion at an inner end thereof. The nut has an enlarged head, a reduced diameter stem and a threaded bore for engaging the threaded portion of the core bolt. The sleeve is located between the enlarged head of the core bolt and a conically shaped inner portion of the body. An inner end portion of the sleeve is fixed to the stem of the nut. In a preferred embodiment, the inner end portion of the sleeve is crimped to the nut and has a thickness sufficient to engage the nut across the full width of an annular shoulder of the nut during setting of the fastener.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: June 3, 1997
    Assignee: Monogram Aerospace Fasteners
    Inventors: Edgar L. Stencel, Paul P. Krawiec
  • Blind fastener with deformable sleeve
    Patent number: 5498110
    Abstract: A blind fastener having a body, a core bolt, a nut and a sleeve. The core bolt passes through an axial bore of the body and includes an externally threaded portion at an inner end thereof. The nut has an enlarged head, a reduced diameter stem and a threaded bore for engaging the threaded portion of the core bolt. The sleeve is located between the enlarged head of the core bolt and a conically shaped inner portion of the body. An inner end portion of the sleeve is fixed to the stem of the nut. In a preferred embodiment, the inner end portion of the sleeve is crimped to the nut and has a thickness sufficient to engage the nut across the full width of an annular shoulder of the nut during setting of the fastener.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: March 12, 1996
    Assignee: Monogram Aerospace Fasteners
    Inventors: Edgar L. Stencel, Paul P. Krawiec