Weldable half-shell
AssigneeGeorg Fischer Rohrleitungssysteme AG
InventorsDirk Petry, Markus Breyer
Life of this patent
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Abstract
A fitting for connecting a secondary plastic pipeline of a double pipe system containing two half-shells composed of plastic, wherein in each case each of the half-shells has an integrated heating wire, wherein the heating wire is arranged in each case in the regions of the connecting pieces and the heating wire has several meandering windings, wherein the heating wire is arranged in each case in a groove provided for this in the half-shell and the connecting elements which connect the two half-shells, characterized in that the fitting has distance elements arranged on the inner circumference of the half-shells for concentric arrangement of the fitting with respect to a primary pipeline.
Claims8
A fitting for connecting a secondary plastic pipeline of a double pipe system containing two half-shells composed of plastic, the fitting comprising wherein each of the half-shells has an integrated heating wire, wherein each heating wire is arranged in regions of connecting pieces and the heating wire has several windings, wherein each heating wire is arranged in a respective groove provided in the half-shells and wherein connecting elements which connect the two half-shells, wherein the fitting has distance elements arranged on an inner circumference of the half-shells for concentric arrangement of the fitting with respect to a primary pipeline;
- and wherein the distance elements are formed as circular segmented discs which bear against an outer diameter of the primary pipeline.
Dependencies are inferred from the claim text.