Patents Assigned to Phoeniz AG
  • Annular shaped buoyancy element for transport hoses
    Patent number: 4188679
    Abstract: An annular-shaped buoyancy element for transport hoses which are used on water includes two generally semicircular-shaped buoyancy members, each of which includes a core made of foam plastic material completely encased in a sheath made of polymer material. Each of the semicircular members having coupling means mounted on each of the end faces thereof for coupling the members together. The members also have in a relaxed condition thereof, a radially extending V-shaped groove formed in its interior face, adjacent to the center thereof.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: February 19, 1980
    Assignees: Phoeniz AG, Eddelbuttel & Schneider
    Inventors: Fritz Hollaender, Klaus Schneider