IN153844B - - Google Patents

Info

Publication number
IN153844B
IN153844B IN1433/CAL/80A IN1433CA1980A IN153844B IN 153844 B IN153844 B IN 153844B IN 1433CA1980 A IN1433CA1980 A IN 1433CA1980A IN 153844 B IN153844 B IN 153844B
Authority
IN
India
Prior art keywords
adjustable
outer mandrel
push rod
tightening
mandrel
Prior art date
Application number
IN1433/CAL/80A
Other languages
English (en)
Inventor
Eduard Josef Budel
Heinrich Fehrmann
Johan De Kok
Original Assignee
Wavin Bv
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 Wavin Bv filed Critical Wavin Bv
Publication of IN153844B publication Critical patent/IN153844B/en

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
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering means
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Formation And Processing Of Food Products (AREA)
IN1433/CAL/80A 1980-01-18 1980-12-26 IN153844B (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3001705A DE3001705C2 (de) 1980-01-18 1980-01-18 Zentriervorrichtung für Formwerkzeuge von Strangpressen

Publications (1)

Publication Number Publication Date
IN153844B true IN153844B (ru) 1984-08-18

Family

ID=6092371

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1433/CAL/80A IN153844B (ru) 1980-01-18 1980-12-26

Country Status (6)

Country Link
US (1) US4368026A (ru)
EP (1) EP0032715B1 (ru)
JP (1) JPS56105937A (ru)
AT (1) ATE7002T1 (ru)
DE (2) DE3001705C2 (ru)
IN (1) IN153844B (ru)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3216377A1 (de) * 1981-09-26 1983-06-16 Detlef Dipl.-Ing. 4970 Bad Oeynhausen Gneuss Vorrichtung zur herstellung von rohren aus plastischen massen
US4551087A (en) * 1984-06-11 1985-11-05 Northern Telecom Limited Extrusion apparatus
JPH022565Y2 (ru) * 1985-10-21 1990-01-22
DE3936496A1 (de) * 1989-11-02 1991-05-08 Krauss Maffei Ag Zentriervorrichtung fuer einen rohrextrusionskopf
DE9102433U1 (de) * 1991-03-01 1991-05-23 Reifenhäuser GmbH & Co Maschinenfabrik, 53844 Troisdorf Vorrichtung für die Herstellung einer Kunststoffolie
JP2601902Y2 (ja) * 1991-07-31 1999-12-13 川崎重工業株式会社 軌道車両用の乗降場の引戸装置
US5674440A (en) * 1995-05-05 1997-10-07 Graham Engineering Corporation Die head with adjustable mandrel and method
US6537471B2 (en) 1999-12-14 2003-03-25 Microhelix, Inc. Method for producing ultra thin wall extrusions

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3327350A (en) * 1964-09-30 1967-06-27 Sterling Extruder Corp Apparatus for parison programming
DE1629401A1 (de) * 1966-03-24 1971-01-21 Guenther Armenat Spritzkopf fuer Kunststoffverarbeitungsmaschinen
US3390430A (en) * 1966-06-08 1968-07-02 Continental Can Co Extrusion die shell adjusting device
DE1629784A1 (de) * 1966-08-08 1972-01-13 Wacker Chemie Gmbh Verfahren und Vorrichtung zur Herstellung von Folien aus Kunststoffen
DE1974876U (de) * 1966-12-30 1967-12-14 Gottfried Mehnert Vorrichtung fuer die duesenverstellung an einem ein schlauch- oder rohrfoermiges erzeugnis aus plastischem kunststoff auspressenden spritzkopf.
AT313554B (de) * 1966-12-30 1974-02-25 Conduco Ag Vorrichtung zur Verstellung des Ringspaltes eines Spritzkopfes zur Herstellung von Rohren und Schläuchen aus thermoplastischem Kunststoff
NL152487B (nl) * 1967-06-06 1977-03-15 Stamicarbon Extrusie-inrichting.
DE1908933B2 (de) * 1969-02-22 1971-04-29 Strangpresskopf zum strangpressen eines schlauches
US3605190A (en) * 1969-06-24 1971-09-20 Nrm Corp Extruder crosshead
DE2023008A1 (de) * 1970-05-12 1971-12-02 Bekum Maschf Gmbh Vorrichtung fuer die Duesenverstellung an einem ein Profil aus plastischem Kunststoff auspressenden Spritzkopf
DE7102104U (de) * 1971-01-21 1971-04-08 Voith J Gmbh Schlauchkopf
DE2113054A1 (de) * 1971-03-18 1972-09-21 Continental Gummi Werke Ag Strangpresse zum Herstellen von Schlaeuchen und anderen Hohlprofilstraengen aus Gummi oder aehnlichen plastisch verformbaren Kunststoffen
DE2128901A1 (de) * 1971-06-11 1973-01-04 Bekum Maschf Gmbh Vorrichtung fuer die verstellung des ringspaltes an einem ein profil aus plastischem kunststoff auspressenden spritzkopf
DE2654001C2 (de) * 1976-11-27 1986-02-06 Harald 5210 Troisdorf Feuerherm Vorrichtung zum Herstellen von aus thermoplastischem Kunstoff bestehenden Hohlkörpern
DE2723991A1 (de) * 1977-05-27 1978-11-30 Ver Foerderung Inst Kunststoff Verfahren zum zentrieren von ringspaltduesen bei der verarbeitung von kunststoffen
IT1158868B (it) * 1977-07-01 1987-02-25 Cosden Technology Procedimento ed apparecchiatura per produrre tubi termoplastici a strati multipli

Also Published As

Publication number Publication date
US4368026A (en) 1983-01-11
ATE7002T1 (de) 1984-04-15
JPS56105937A (en) 1981-08-22
DE3001705A1 (de) 1981-07-23
DE3163006D1 (en) 1984-05-17
EP0032715A1 (de) 1981-07-29
DE3001705C2 (de) 1984-10-18
EP0032715B1 (de) 1984-04-11

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