Patents Assigned to Pirelli Furlanis - Applicazioni Idrauliche Agricole Gomma S.p.A.
  • Liftable and collapsible barrage
    Patent number: 4229119
    Abstract: An artificial dam or barrage which is adapted to be moved vertically from e bottom of the waterway in which it is installed is provided with a sheet of flexible material fixed to the bottom of the waterway and suspended with flexible cables above the bottom of the waterway.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: October 21, 1980
    Assignee: Pirelli Furlanis--Applicazioni Idrauliche Agricole Gomma S.p.A.
    Inventors: Bruno Borca, Francesco Calza
  • Collapsible and expansible barrage
    Patent number: 4103496
    Abstract: A collapsible and expansible barrage comprising a threshold structure dised at the bottom of the waterway, a metallic flap, provided with an upturned-glass type of air-tank, hinged to said threshold structure, and a flexible sheet connected at one of its end to the threshold structure and to the other end to the threshold structure; the flap and the threshold structure are further connected one to the other by means of a damped tie-rod.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: August 1, 1978
    Assignee: Pirelli Furlanis - Applicazioni Idrauliche Agricole Gomma S.p.A.
    Inventors: Arturo Colamussi, Vittorio Merli
  • Manoeuvrable weir
    Patent number: 4103497
    Abstract: Manoeuvrable weir comprising at least one flap hinged to a threshold shel laid on the bottom of a waterway to be dammed. The flap foresees openings on its surface from which lead out conduits which debouch in correspondence of the threshold structure, creating over it a water current.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: August 1, 1978
    Assignee: Pirelli Furlanis - Applicazioni Idrauliche Agricole Gomma S.p.A.
    Inventors: Arturo Colamussi, Vittorio Merli