摘要 |
2141418 9404341 PCTABS00030 A distributor head (1) for forming a tubular profile from one or more streams of thermoplastic material, which distributor head comprises at least an inlet orifice (10, 12, 14) for a stream of plastics material, which can be connected to an extruder, and an outlet orifice (20, 22, 24) of annular cross section. The distributor head comprises at least one flow channel system (30, 32, 34) which is connected to an inlet orifice of the distributor head by means of an inlet channel (36, 38, 40), which inlet channel, in a number of stages of branchings and intermediate flow channels (60, 62, 64), branches into a number of outlet channels (66, 68, 70) terminating on a periphery around the centre line of the outlet orifice, which outlet channels open into the outlet orifice.
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