IT1081078B - Dispositivo per fabbricare tubi di materia artificiale termoplastica con modiche tensioni interne - Google Patents

Dispositivo per fabbricare tubi di materia artificiale termoplastica con modiche tensioni interne

Info

Publication number
IT1081078B
IT1081078B IT23640/76A IT2364076A IT1081078B IT 1081078 B IT1081078 B IT 1081078B IT 23640/76 A IT23640/76 A IT 23640/76A IT 2364076 A IT2364076 A IT 2364076A IT 1081078 B IT1081078 B IT 1081078B
Authority
IT
Italy
Prior art keywords
internal voltages
modern internal
manufacturing thermoplastic
thermoplastic artificial
artificial tubes
Prior art date
Application number
IT23640/76A
Other languages
English (en)
Original Assignee
Veba Chemie Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Veba Chemie Ag filed Critical Veba Chemie Ag
Application granted granted Critical
Publication of IT1081078B publication Critical patent/IT1081078B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT23640/76A 1975-05-30 1976-05-26 Dispositivo per fabbricare tubi di materia artificiale termoplastica con modiche tensioni interne IT1081078B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752523975 DE2523975A1 (de) 1975-05-30 1975-05-30 Vorrichtung zur herstellung spannungsarmer rohre aus thermoplastischem kunststoff

Publications (1)

Publication Number Publication Date
IT1081078B true IT1081078B (it) 1985-05-16

Family

ID=5947804

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23640/76A IT1081078B (it) 1975-05-30 1976-05-26 Dispositivo per fabbricare tubi di materia artificiale termoplastica con modiche tensioni interne

Country Status (11)

Country Link
BE (1) BE842313A (it)
CH (1) CH605087A5 (it)
DE (1) DE2523975A1 (it)
DK (1) DK233676A (it)
FI (1) FI761501A (it)
FR (1) FR2312355A1 (it)
IT (1) IT1081078B (it)
LU (1) LU75047A1 (it)
NL (1) NL7605758A (it)
NO (1) NO761828L (it)
SE (1) SE7606074L (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE434930B (sv) * 1982-04-29 1984-08-27 Aga Ab Forfaringssett och anordning for att invendigt kyla extruderade rorformiga foremal med hjelp av flytande kveve
NL8502034A (nl) * 1985-07-15 1987-02-02 Leer Koninklijke Emballage Inrichting voor het vervaardigen van een buisvormig voorwerp.
DE3903174C3 (de) * 1989-02-03 1997-06-19 Karl Veit Holger Prof Dr Ing Innenkühlung für aus einem Blaskopf extrudierte Kunststoffschlauchfolie
DE4117221C2 (de) * 1991-05-27 1996-02-22 Schueco Int Kg Verfahren und Vorrichtung zum Herstellen von strangförmigen Hohlkammerprofilen aus thermoplastischem Werkstoff
AT409474B (de) * 1992-09-01 2002-08-26 Greiner & Soehne C A Extrusionswerkzeug für mit zumindest einem hohlraum versehene bauteile sowie verfahren zum herstellen derartiger bauteile
US5525289A (en) * 1995-01-30 1996-06-11 Lupke; Manfred A. A. Method and apparatus for cooling hollow molded product
NL1001259C2 (nl) 1995-05-03 1996-11-05 Wavin Bv Werkwijze voor het behandelen van een geëxtrudeerd kunststof profiel en extrusie-installatie daarvoor.
FR2733934B1 (fr) * 1995-05-11 1997-06-20 Corelco Dispositif de refroidissement pour installation de fabrication en continu de corps tubulaires en matiere synthetique
BE1010107A5 (fr) * 1996-03-13 1997-12-02 Eupen Kabelwerk Procede et dispositif pour le refroidissement interne de tuyaux en matiere plastique.
BE1010116A3 (fr) * 1996-03-13 1998-01-06 Eupen Kabelwerk Procede et dispositif pour le refroidissement interne de tuyaux en matiere plastique.
WO1998052739A1 (en) * 1997-05-20 1998-11-26 Lupke Manfred Arno Alfred Method and apparatus for making plastic pipe without mechanical pressure on inner pipe wall
AT412771B (de) * 1997-06-26 2005-07-25 Greiner & Soehne C A Extrusionswerkzeug für eine kunststoffschmelze
DE19841156C1 (de) * 1998-09-09 1999-10-21 Unicor Rohrsysteme Gmbh Vorrichtung zur Herstellung von Rohren
FI20050634A (fi) * 2005-06-15 2006-12-16 Kwh Pipe Ab Oy Menetelmä ja laite ekstrudoitujen kestomuoviputkien sisäiseksi jäähdyttämiseksi

Also Published As

Publication number Publication date
BE842313A (fr) 1976-09-16
DE2523975A1 (de) 1976-12-16
NO761828L (it) 1976-12-01
LU75047A1 (it) 1977-01-21
DK233676A (da) 1976-12-01
CH605087A5 (it) 1978-09-29
SE7606074L (sv) 1976-12-01
NL7605758A (nl) 1976-12-02
FR2312355A1 (fr) 1976-12-24
FR2312355B3 (it) 1979-02-16
FI761501A (it) 1976-12-01

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