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AssigneeNupi Industrie Italiane S.P.A.
InventorsMarco Genoni, Arturo Petruccelli
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An electroweldable branch fitting for high diameter pipes comprises at least a first collar (20, 20′) provided with a predetermined radius of curvature (R), wherein the collar (20, 20′) identifies on opposite sides a concave surface (21) and a convex surface (22), further comprising at least one first electrical wire winding (23) associated with the concave surface (21) of the collar (20, 20′) and carrying one first pair of electrical terminals (24), arranged on the convex surface (22) of the collar (20, 20′) for applying an electric current adapted to cause the electrofusion of the collar (20, 20′), wherein the concave surface (21) of the collar (20, 20′) is continuous, i.e. not perforated, and wherein the first electrical wire winding (23) is uniformly distributed on the concave surface (21) at least in the central part thereof, the collar (20, 20′) being provided with a branch sleeve (30), centrally on the convex surface (22), for the connection to a branch pipe, the branch sleeve identifying a blind hole (32) having a bottom wall (32) consisting of the wall of the collar (20, 20′).
Electroweldable branch fitting for high diameter pipes comprising at least a first collar provided with a predetermined radius of curvature (R), wherein the collar identifies on opposite sides a concave surface and a convex surface, the branch fitting also comprising at least one first electrical wire winding associated with the concave surface of the collar and carrying one first pair of electrical terminals, arranged on the convex surface of the collar for applying an electric current adapted to cause the electrofusion of the collar, characterized in that wherein the concave surface of the collar is continuous, i.e. not perforated, and in that said first electrical wire winding is uniformly distributed on the concave surface at least in the central part thereof, said collar being provided with a branch sleeve, centrally on the convex surface, for the connection to a branch pipe, the branch sleeve identifying a blind hole having a bottom wall consisting of the wall of the collar, wherein the bottom wall is perimetrally provided with a plurality of blind entrance pre-holes.
Electroweldable branch fitting for high diameter pipes comprising at least a first collar provided with a predetermined radius of curvature (R), wherein the collar identifies on opposite sides a concave surface and a convex surface, the branch fitting also comprising at least one first electrical wire winding associated with the concave surface of the collar and carrying one first pair of electrical terminals, arranged on the convex surface of the collar for applying an electric current adapted to cause the electrofusion of the collar, wherein the concave surface of the collar is continuous, and in that said first electrical wire winding is uniformly distributed on the concave surface at least in the central part thereof, said collar being provided with a branch sleeve, centrally on the convex surface, for the connection to a branch pipe, the branch sleeve identifying a blind hole having a bottom wall consisting of the wall of the collar, wherein said first collar embraces a cylindrical covering sector of radius (α) with (α) equal to 180°, and in that it comprises a second collar also shaped as cylindrical covering sector of radius (α), with (α) equal to 180°, and also provided with a further first electrical wire winding, associated with a concave surface of the second collar and carrying a further first pair of electrical terminals, arranged on a convex surface of the second collar for applying an electric current adapted to cause the electrofusion of the second collar, the concave surface of the second collar also being continuous.
Dependencies are inferred from the claim text.