Patents by Inventor Neville H. Simpson

Neville H. Simpson 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).

  • Plastic encapsulated wire rope
    Patent number: 4490969
    Abstract: The present invention provides a method of manufacturing a thermoplastic encapsulated wire rope. Such thermoplastic encapsulated wire rope is quenched in a lubricant bath or spray to fill any openings in the thermoplastic with lubricant. The wire rope so produced is also part of the present invention.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: January 1, 1985
    Assignee: AMSTED Industries Incorporated
    Inventors: Neville H. Simpson, Thomas H. Dosemagen, David E. Dirks
  • Multi-layer, parallel lay, coreless wire rope
    Patent number: 4487010
    Abstract: The present invention provides a wire rope comprising an inner layer of at least four separate wire strands and an outer layer of at least eight separate wire strands, parallel laid. The strands themselves are usually of parallel lay and are usually lubricated. A thermoplastic or an elastomer usually surrounds the inner layer strands and extends between the inner layer strands and the outer layer strands and between the outer layer strands.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: December 11, 1984
    Assignee: AMSTED Industries Incorporated
    Inventors: Ferdinand Chiappetta, John H. Simpson, Neville H. Simpson
  • Multi-layer, contrahelically stranded wire rope
    Patent number: 4470249
    Abstract: A wire rope comprising an outer rope layer and an inner rope layer of wire strands is provided. The inner rope layer itself is comprised of multiple layers, usually in a parallel laid, coreless arrangement. The inner and outer rope layers are contrahelically laid and are usually lubricated. A thermoplastic or elastomer can be utilized to encapsulate the lubricant within the inner rope layer or within both the inner and outer rope layers.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: September 11, 1984
    Assignee: AMSTED Industries Incorporated
    Inventors: Ferdinand Chiappetta, Neville H. Simpson, John H. Simpson
  • Fiber reinforced plastic impregnated wire rope
    Patent number: 4422286
    Abstract: Reinforced thermoplastic impregnated lubricated wire ropes are provided in the present invention. A method of reinforcing and filling the thermoplastic material with fibers, mineral fillers and powders is also provided.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: December 27, 1983
    Assignee: AMSTED Industries Incorporated
    Inventors: Neville H. Simpson, Peter P. Riggs, Warren W. Rasmussen
  • Lubricated plastic impregnated aramid fiber rope
    Patent number: 4202164
    Abstract: An aramid fiber rope having a central core surrounded with aramid fiber rope strands. The core and the aramid strands are coated with a heavy viscous lubricant prior to winding the strands into rope. The lubricated rope is then impregnated and surrounded with a plastic material to entrap the lubricant in the core and the strands.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: May 13, 1980
    Assignee: Amsted Industries Incorporated
    Inventors: Neville H. Simpson, Fred E. Dykeman