Thermoplastic tube

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 47/88 (2006.01) B29C 47/00 (2006.01) B29C 47/90 (2006.01) B29C 55/26 (2006.01) B29C 57/04 (2006.01)

Patent

CA 2580653

Method for producing a tube section from thermoplastic material, in which a tube section is extruded by means of an extruder which is provided with an extruder die having an inner core, which inner core defines an axial hollow space in the tube section, the tube section coming out of the extruder die downstream of the extruder die being internally cooled by means of an internal cooling member and externally cooled by means of an external cooling device. Immediately after the tube section leaves the extruder die, the internal cooling member brings about internal cooling of the tube. The external cooling device is positioned downstream of the internal cooling member, so that the external cooling of the tube section is brought about after the internal cooling.

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