GR33437B - Μεθοδος και συσκευη δια την παρασκευην σωληνων εκπλαστικου υλικου. - Google Patents

Μεθοδος και συσκευη δια την παρασκευην σωληνων εκπλαστικου υλικου.

Info

Publication number
GR33437B
GR33437B GR670133437A GR670133437A GR33437B GR 33437 B GR33437 B GR 33437B GR 670133437 A GR670133437 A GR 670133437A GR 670133437 A GR670133437 A GR 670133437A GR 33437 B GR33437 B GR 33437B
Authority
GR
Greece
Prior art keywords
plastic material
pipe
annular members
common axis
annular
Prior art date
Application number
GR670133437A
Other languages
English (en)
Original Assignee
Induplas S.P.A.
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 Induplas S.P.A. filed Critical Induplas S.P.A.
Publication of GR33437B publication Critical patent/GR33437B/el

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
    • B29C48/16—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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • B29C48/152—Coating hollow articles the inner surfaces thereof
    • B29C48/153—Coating both inner and outer 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
    • B29C48/03—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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

έθοδος δια την κατασκευήν ενός αγωγού δι' εξωθήσεως εκ πλαστικού υλικού, με ένα πυρήνα εξ ενός πλαστικού υλικού ισχυροτέρων ή περισσοτέρων ακάμπτων χαρακτηριστικών υπό την μορφήν μιας ελικοειδούς σπείρας εγκεχυσμένης εντός του τοιχώματος του αγωγού,η οποία συνίσταται εις την εξώθησιν συνεχώς του πλαστικού υλικού το οποίον σχηματίζει το τοίχωμα αγωγού μέσω ομοκέντρων σωληνωτών ακορφυσίων, υπό τηνμορφήν δύο συναξονικών δακτυλιοειδών μελών, ένθα το εν είναι μικροτέρας διαμέτρου του άλλου, και εις την εξώθησιν ταυτοχρόνως συνεχώς κατά την κατεύθυνσιν του κοινού άξονος των δύο δακτυλιοειδών μελών, των πλαστικών υλικών τα οποία σχηματίζουν τον πυρήνα μέσω ενός ακροφυσίου το οποίον περιστρέφεταιπέριξ του ρηθέντος κοινού άξονος εις τον χώρον τον μεταξύ των δύο δακτυλιοειδών μελών, και εις τον εξαναγκασμόν των τριών συνιστώντων μερών τα οποία αναδύονται εκ των τριών ακροφυσίων να διέλθουν διαμέσου μιας κοινής συναξονικής σωληνωτής διόδου εις την οποίαν συγκολλούνται προς άλληλα προς σχηματισμόν του σωλήνος, ο οποίος αναδύεται εκ της ρηθείσης διόδου.
GR670133437A 1966-02-05 1967-02-06 Μεθοδος και συσκευη δια την παρασκευην σωληνων εκπλαστικου υλικου. GR33437B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT258366 1966-02-05

Publications (1)

Publication Number Publication Date
GR33437B true GR33437B (el) 1967-12-05

Family

ID=11103146

Family Applications (1)

Application Number Title Priority Date Filing Date
GR670133437A GR33437B (el) 1966-02-05 1967-02-06 Μεθοδος και συσκευη δια την παρασκευην σωληνων εκπλαστικου υλικου.

Country Status (11)

Country Link
US (1) US3520966A (el)
BE (1) BE693229A (el)
CH (1) CH452881A (el)
DE (1) DE1273800B (el)
DK (1) DK122866B (el)
ES (1) ES336426A1 (el)
FR (1) FR1509845A (el)
GB (1) GB1144046A (el)
GR (1) GR33437B (el)
NL (1) NL6700553A (el)
SE (1) SE318707B (el)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6805540A (el) * 1967-05-05 1968-11-06
CA934913A (en) * 1968-05-20 1973-10-09 G. Papesh Edward Blown tubular die apparatus for extruding laminated film
US3966861A (en) * 1968-05-20 1976-06-29 Pierson Industries, Inc. Composite tubular film process and apparatus
CH477274A (de) * 1968-08-08 1969-08-31 Barmag Barmer Maschf Vorrichtung zum Herstellen mehrschichtiger Blasfolien oder -schläuche
US3716612A (en) * 1970-01-06 1973-02-13 Dow Chemical Co Method for the formation of composite plastic bodies
DE2026385A1 (de) * 1970-05-29 1971-12-09 Anger Kunststoff Scheibenextruder
US3856447A (en) * 1970-06-16 1974-12-24 Schiesser Ag Extrusion head for the manufacture of hoses formed of plastic masses and containing reinforcement inserts
US3853661A (en) * 1971-05-01 1974-12-10 Mitsubishi Petrochemical Co A method of producing plastic bags
US4120628A (en) * 1971-05-05 1978-10-17 General Enterprises Corp., Ltd. Apparatus for manufacturing plastic tubes from plastics of dissimilar properties
US3834009A (en) * 1972-01-13 1974-09-10 Takiron Co Method of continuously producing a synthetic resin coated pipe
US4060361A (en) * 1975-01-16 1977-11-29 Devro, Inc. Extruder apparatus for forming a tubular casing
DE2510127C2 (de) * 1975-03-06 1983-09-22 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Strangpreßkopf zum Herstellen eines aus zwei konzentrischen, mit ihren Fließnähten versetzt zueinander angeordneten Schichten bestehenden Verbundschlauches aus thermoplastischem Kunststoff
DE2537419C2 (de) * 1975-08-22 1983-08-11 Bekum Maschinenfabriken Gmbh, 1000 Berlin Schmelzeverteiler in Rohr- oder Blasköpfen mit einer Pinole als Kern und diese umgebenden Gehäuse
US4203715A (en) * 1978-03-24 1980-05-20 Ethyl Corporation Rotating joint for extrusion die
DE3425371C2 (de) * 1984-07-10 1986-05-07 Windmöller & Hölscher, 4540 Lengerich Folienblaskopf für die Herstellung von Schlauchfolien
US4738611A (en) * 1987-03-04 1988-04-19 Graham Engineering Corporation Cross head die
US4946364A (en) * 1989-05-31 1990-08-07 Rcm, Ltd., Rubber Consulting & Machinery Apparatus for manufacturing reinforced polymeric tubing
US5059375A (en) * 1989-11-13 1991-10-22 Minnesota Mining & Manufacturing Company Apparatus and method for producing kink resistant tubing
DE4020800C2 (de) * 1990-06-27 1999-01-07 Siemens Ag Verfahren zur Herstellung einer zugfeste Elemente enthaltenden Kunststoffhülle
DE4120165C2 (de) * 1990-07-05 1995-01-26 Friedrichs Konrad Kg Strangpreßwerkzeug zur Herstellung eines Hartmetall- oder Keramikstabes
DE4120166C2 (de) * 1991-06-19 1994-10-06 Friedrichs Konrad Kg Strangpreßwerkzeug zur Herstellung eines Hartmetall- oder Keramikstabes mit gedrallten Innenbohrungen
CA2082437C (en) * 1991-11-14 1998-01-20 Peter C. Gates Spiral fed multi-layer tubular die
NL9400031A (nl) * 1994-01-07 1995-08-01 Cordis Europ Werkwijze voor het vervaardigen van een slangvormig extrusieprofiel en daarvan vervaardigde catheter.
DE19509376A1 (de) * 1995-03-15 1996-09-19 Wavin Bv Extrusionskopf für Kunststoffextruder
US6056533A (en) * 1998-03-19 2000-05-02 The Lamson & Sessions Co. Apparatus for conduit extrusion
CN101298185B (zh) * 2008-06-27 2011-01-19 方墉 适于淀粉生物降解材料的吹膜机旋转模头

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810424A (en) * 1953-03-20 1957-10-22 Aetna Standard Eng Co Method and apparatus for making reinforced plastic tubing
US2730762A (en) * 1953-04-21 1956-01-17 American Viscose Corp Apparatus for the continuous fabrication of reinforced tubing
BE533412A (el) * 1954-05-11 1954-12-15
NL282600A (el) * 1961-09-05 1900-01-01
US3281897A (en) * 1963-02-15 1966-11-01 Plastic Textile Access Ltd Extruded plastic tubing
US3372920A (en) * 1965-07-12 1968-03-12 Nat Distillers Chem Corp Method for producing thermoplastic sheet material

Also Published As

Publication number Publication date
ES336426A1 (es) 1968-10-01
GB1144046A (en) 1969-03-05
US3520966A (en) 1970-07-21
DK122866B (da) 1972-04-24
NL6700553A (el) 1967-08-07
SE318707B (el) 1969-12-15
BE693229A (el) 1967-07-03
CH452881A (fr) 1968-03-15
DE1273800B (de) 1968-07-25
FR1509845A (fr) 1968-01-12

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