Patents by Inventor Alfredo D. Bona

Alfredo D. Bona 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: 4955643
    Abstract: Connection for fluids comprising a movable hollow joint (1) equipped with a lateral tubular duct (15) and two conical through-holes, opposite and coaxial (2) and (2') whose axis is perpendicular to that of the lateral duct; a clamping screw inserted in the through-holes (2) and (2') of the joint (1). The shank (3) of said screw is provided with a central duct (12) coaxial with the axis of said holes (2), a transversal hole (14) which connects said duct (12) with the internal chamber (13) of the joint and two round grooves (10) and (11) at said through-holes (2) and (2'); and flexible round gaskets (9) and (940 ) inserted in said grooves (10) and (11).
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: September 11, 1990
    Assignee: Murray Europe S.p.A.
    Inventors: Alfredo D. Bona, Attilio Airaghi
  • Patent number: 4796927
    Abstract: Mobile joint for connectors including a central body (1) having a compartment (2) into which converge the two tubes (3, 4) to be connected, fixed to the central body, and a hollow bolt in the duct (6) of which is inserted one (4) of the tubes which is ensured by means of a drawing die for enlarging (15).The seals are guaranteed by means an annular elastic gaskets (11, 12) arranged in cavities (10, 13) machined respectively on the upper surface (9) and the lower surface (14) of the bolt head (7).
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: January 10, 1989
    Assignee: Murray Europe S.p.A.
    Inventors: Alfredo D. Bona, Attilio Airaghi
  • Patent number: 4664425
    Abstract: The pipe (2) is inserted in the through-hole of the flange (1) and the pipe-flange seal is assured by a fixing ring nut (6) screwed into the upper portion (5) of the hole.The hole, in the part opposite the threaded area (5), has an area (4) with a diameter equal to that of the pipe (2) and a truncated-cone coupling area (4) between the two areas (5) and (7). A ring (8) of elastomeric material is inserted inside the truncated-cone portion (7) and an annular projection (9) on the pipe (2) acts thereon, pushed by the screwing action of the ring nut (6).
    Type: Grant
    Filed: June 11, 1986
    Date of Patent: May 12, 1987
    Assignee: Murray Europe S.p.A.
    Inventor: Alfredo D. Bona