Patents Assigned to Suggs Group, Inc.
  • Improved spirally-formed seal for shafts and valve stems
    Patent number: 5301960
    Abstract: A packing material for formation of a seal for a rotary or reciprocating shaft is disclosed wherein a core element is enveloped by a sheet of expanded graphite material. The core element is preferably formed of a wire mesh and solid graphite. The enveloping process is accomplished in such a manner as to wrap the core element with a self-lubricating surface material. The packing material of the present invention provides the advantages of graphite packings and metallic core packings.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: April 12, 1994
    Assignee: Suggs Group, Inc.
    Inventors: Reid M. Meyer, Jim B. Cohen, James W. Suggs, Jr., Steven M. Suggs