Patents Assigned to Isoring S.r.l.
  • Mould for the manufacture of semi-elbows of thermally insulating material for pipes
    Patent number: 4457687
    Abstract: A mould for the manufacture of thermally insulating semi-elbows for pipes comprises mating male and female mould parts definng therebetween an annular mould chamber extending for 360.degree. about a central axis, the mould parts being provided with holes or apertures for blowing overheated air into the mould chamber to produce a moulded shaped product from a mixture of mineral fibres and a polymerizable resin when placed in the mould chamber.
    Type: Grant
    Filed: April 11, 1983
    Date of Patent: July 3, 1984
    Assignee: Isoring S.r.l.
    Inventor: Francesco Valbonesi