Helical formation for a conduit
AssigneeTayside Flow Technologies Limited
InventorsJohn Houston, Robert Hood, Peter Stonebridge
Life of this patent
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Abstract
A helical formation for a conduit (1). The helical formation includes an elongate member (4) defining at least a portion of a helix, the elongate member (4) comprising an inwardly extending portion (6, 7). The inwardly extending portion (6, 7) extends along the length of the elongate member (4) and extends inwardly from the internal side walls of the conduit (1) for a distance equal to between 10% and 80% of the distance (r) from the longitudinal axis (3) of the conduit (1) to an internal side wall (2).
Claims15
A helical formation for a conduit, the helical formation comprising an elongate member defining at least a portion of a helix, the elongate member comprising an inwardly extending portion, the inwardly extending portion extending along the length of the elongate member and extending inwardly from the internal side walls of the conduit for a distance equal to between 10% and 80% of the distance from the longitudinal axis of the conduit to an internal side wall.
Dependencies are inferred from the claim text.