EP 1401628 A1 20040331 - DEVICE FOR EXTRUDING A THERMOPLASTIC POLYMER INTO A TUBE, AND AN EXTRUDER HEAD THEREFOR
Title (en)
DEVICE FOR EXTRUDING A THERMOPLASTIC POLYMER INTO A TUBE, AND AN EXTRUDER HEAD THEREFOR
Title (de)
VORRICHTUNG ZUM EXTRUDIEREN VON EINEM KUNSTSTOFFROHR, UND EXTRUSIONSKOPF DAFÜR
Title (fr)
DISPOSITIF POUR EXTRUDER SOUS FORME DE TUBE UN POLYMERE THERMOPLASTIQUE, ET TETE D'EXTRUDEUSE A CET EFFET
Publication
Application
Priority
- NL 0200432 W 20020702
- NL 1018450 A 20010703
Abstract (en)
[origin: WO03004247A1] The invention relates to a device (1) for extruding a thermoplastic polymer into a tube, comprising means for annular feed of tube material for extrusion to an extruder head which comprises an extruder head gap with an inner wall and an outer wall, wherein the inner wall (6) and/or the outer wall (5) of the diverging conical gap (4) and/or of the converging part of the compression gap is provided with guide structures (8, 9) running in axial direction for tube material. The invention also relates to an extruder head in accordance with the above stated device.
IPC 1-7
IPC 8 full level
B29C 48/09 (2019.01); B29C 48/32 (2019.01); B29C 48/92 (2019.01)
CPC (source: EP US)
B29C 48/09 (2019.01 - EP US); B29C 48/32 (2019.01 - EP US); B29C 48/92 (2019.01 - EP US); B29C 48/0012 (2019.01 - EP US); B29C 48/13 (2019.01 - EP US); B29C 2948/92704 (2019.01 - EP US); B29C 2948/92895 (2019.01 - EP US); B29K 2105/04 (2013.01 - EP); B29L 2023/22 (2013.01 - EP)
Citation (search report)
See references of WO 03004247A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
WO 03004247 A1 20030116; EP 1401628 A1 20040331; NL 1018450 C2 20030108
DOCDB simple family (application)
NL 0200432 W 20020702; EP 02743982 A 20020702; NL 1018450 A 20010703