Patents by Inventor Smith A. Funk

Smith A. Funk 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: 4306927
    Abstract: A process for producing a laminate comprising a metal sheet having thermoplastic material on both sides thereof is described. The thermoplastic material is calendered to produce an upper thermoplastic sheet and a lower thermoplastic sheet. A metal sheet is fed into the nip between the calender rolls in order to contact the metal sheet simultaneously with the upper and lower thermoplastic sheets, thus producing a laminate. Processes for producing a pipe-wrapping material, a roofing structure and a solvent-welded joint are also provided.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: December 22, 1981
    Assignee: The Celotex Corporation
    Inventors: Smith A. Funk, Charles J. Klasen, Ilmars Vilmanis
  • Patent number: 4213487
    Abstract: A process for producing a laminate comprising a metal sheet having thermoplastic material on both sides thereof is described. The thermoplastic material is calendered to produce an upper thermoplastic sheet and a lower thermoplastic sheet. A metal sheet is fed into the nip between the calender rolls in order to contact the metal sheet simultaneously with the upper and lower thermoplastic sheets, thus producing a laminate. Processes for producing a pipe-wrapping material, a roofing structure and a solvent-welded joint are also provided.
    Type: Grant
    Filed: January 26, 1978
    Date of Patent: July 22, 1980
    Assignee: The Celotex Corporation
    Inventors: Smith A. Funk, Charles J. Klasen, Ilmars Vilmanis