IT1230529B - Procedimento e filiera per l'estrusione di tubi di materiale termoplastico. - Google Patents

Procedimento e filiera per l'estrusione di tubi di materiale termoplastico.

Info

Publication number
IT1230529B
IT1230529B IT8921453A IT2145389A IT1230529B IT 1230529 B IT1230529 B IT 1230529B IT 8921453 A IT8921453 A IT 8921453A IT 2145389 A IT2145389 A IT 2145389A IT 1230529 B IT1230529 B IT 1230529B
Authority
IT
Italy
Prior art keywords
extrusion
tubes
procedure
thermoplastic material
supply chain
Prior art date
Application number
IT8921453A
Other languages
English (en)
Other versions
IT8921453A0 (it
Inventor
Claude Dehennau
Serge Dupont
Marc Kerger
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Publication of IT8921453A0 publication Critical patent/IT8921453A0/it
Application granted granted Critical
Publication of IT1230529B publication Critical patent/IT1230529B/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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/03—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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
    • B29C48/3363—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a layered die, e.g. stacked discs
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT8921453A 1988-08-16 1989-08-04 Procedimento e filiera per l'estrusione di tubi di materiale termoplastico. IT1230529B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8810976A FR2635482B1 (fr) 1988-08-16 1988-08-16 Procede et filiere pour l'extrusion de tuyaux en matiere thermoplastique

Publications (2)

Publication Number Publication Date
IT8921453A0 IT8921453A0 (it) 1989-08-04
IT1230529B true IT1230529B (it) 1991-10-28

Family

ID=9369383

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921453A IT1230529B (it) 1988-08-16 1989-08-04 Procedimento e filiera per l'estrusione di tubi di materiale termoplastico.

Country Status (6)

Country Link
BE (1) BE1006642A3 (it)
DE (1) DE3926998C2 (it)
ES (1) ES2014861A6 (it)
FR (1) FR2635482B1 (it)
GB (1) GB2221866B (it)
IT (1) IT1230529B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20120562U1 (de) 2001-12-19 2002-04-18 Topf Kunststofftechnik Gesellschaft Mbh, Kirchdorf Extrusionswerkzeug

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB683217A (en) * 1950-01-06 1952-11-26 William Walker & Sons Ltd Improvements in or relating to extrusion dies for making tubes from rubber, plastic materials and the like
US3334141A (en) * 1963-11-18 1967-08-01 Allied Chem Chlorine initiated liquid phase oxidation of alicyclic hydrocarbons
US3308508A (en) * 1964-10-02 1967-03-14 Dow Chemical Co Die
DE1923654U (de) * 1965-07-08 1965-09-16 Henschel Werke Ag Rohrduesenkopf fuer kunststoff-strangpressen.
US3409941A (en) * 1966-09-06 1968-11-12 Phillips Petroleum Co Apparatus for producing plastic articles
US3497915A (en) * 1967-03-16 1970-03-03 Cupples Container Co Extrusion die
US3525125A (en) * 1967-07-12 1970-08-25 Basf Ag Annular die for extruders,particularly an annular die for the production of blown tubular film and sheeting from expandable thermoplastics
FR2130735A5 (it) * 1970-05-29 1972-11-10 Armosig
US3899276A (en) * 1973-05-29 1975-08-12 Beloit Corp Annular extrusion die with back pressure control
US4057610A (en) * 1975-07-25 1977-11-08 Monsanto Company Hose reinforced with discontinuous fibers oriented in the radial direction
DE2610972C2 (de) * 1976-03-16 1984-04-12 Erich 7326 Heiningen Oprach Vorrichtung zur Herstellung von Rohren o.ä. Hohlsträngen aus thermoplastischem Kunststoff
FR2494180A1 (fr) * 1980-11-19 1982-05-21 Comp Generale Electricite Procede de fabrication de tubes ou profiles curvilignes ou feuilles de materiau plastique a conductibilite thermique elevee anisotrope
FR2503627A1 (fr) * 1981-04-09 1982-10-15 Raffinage Cie Francaise Tete pour l'extrusion d'une paraison tubulaire a au moins une couche de matiere
US4402658A (en) * 1981-09-21 1983-09-06 Phillips Petroleum Company Thermoplastic pipe extrusion die
DE3233250A1 (de) * 1982-09-08 1984-03-08 Basf Ag, 6700 Ludwigshafen Vorrichtung zum strangpressen von thermoplastischen kunststoffen

Also Published As

Publication number Publication date
BE1006642A3 (fr) 1994-11-08
GB2221866B (en) 1992-07-01
GB2221866A (en) 1990-02-21
DE3926998A1 (de) 1990-02-22
ES2014861A6 (es) 1990-07-16
DE3926998C2 (de) 2002-01-24
FR2635482B1 (fr) 1991-02-01
IT8921453A0 (it) 1989-08-04
GB8918494D0 (en) 1989-09-20
FR2635482A1 (fr) 1990-02-23

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970828