Patents by Inventor Linden Stuart, Jr.

Linden Stuart, Jr. 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).

  • Patent number: 4125422
    Abstract: A portable pipe wrapping machine is provided wherein a pipe enveloping frame which is rotatably supported concentrically with respect to a pipe comprises a reel assembly that is mounted on the frame and that is adapted to receive and rotatably support a roll of wrapping material of the cold wrap type that has a separator sheet between adjoining plies of the roll in position for feeding wrapping material from the roll to the pipe to be wrapped about the pipe while rotating the frame about the pipe, a sheet receiving assembly being provided that is powered responsive to rotation of a roll of wrapping material comprised in the reel assembly, the pull-tension on the wrapping material as it is applied to the pipe being adjustable by adjustment of a friction brake and said sheet receiving assembly comprising a friction clutch that is adjustable to maintain the protector sheet under a predetermined pull-tension as it is stripped from said wrapping material and wound upon a windup spool.
    Type: Grant
    Filed: September 20, 1977
    Date of Patent: November 14, 1978
    Assignee: Stuart Steel Protection Corporation
    Inventors: Linden Stuart, Jr., Harry R. Davis
  • Patent number: 4113545
    Abstract: A portable pipe joint wrapping machine is provided wherein a pipe enveloping frame which is rotatably supported concentrically with respect to a pipe comprises a reel assembly that is mounted on the frame and that is adapted to receive and rotatably support a roll of wrapping material of the cold wrap type that has a separator sheet between adjoining plies of the roll in position for feeding wrapping material from the roll to the pipe to be wrapped about the pipe while rotating the frame about the pipe, a sheet receiving assembly being provided powered by a wheel that is in frictional contact with the pipe and that is rotated when said frame is rotated about the pipe whereby the separator sheet is received by said sheet receiving assembly as it is stripped from the wrapping material during the rotation of the frame about the pipe with concomitant application of the wrapping material to the pipe.
    Type: Grant
    Filed: July 29, 1977
    Date of Patent: September 12, 1978
    Assignee: Stuart Steel Protection Corporation
    Inventors: Linden Stuart, Jr., Harry Robert Davis