A pipe insulation includes annular spacers secured to the pipe along its length, a sheet metal envelope secured to and supported by the spacers, and foam insulation formed in the annular space by injecting a liquid which spreads through openings in the spacers to form the foam in situ.

  • Supplemental Notes:
    • U.S. Patent Classification Number C1.138/149.
  • Corporate Authors:

    Warren Petroleum Corporation

  • Authors:
    • Rollins, C L
  • Publication Date: 1971-2-2

Subject/Index Terms

Filing Info

  • Accession Number: 00056283
  • Record Type: Publication
  • Source Agency: American Petroleum Institute
  • Report/Paper Numbers: Patent
  • Files: TRIS
  • Created Date: Jul 15 1974 12:00AM