DE69701691D1 - Verfahren und vorrichtung zum ziehen mit kalibrierter extrusionspräzision,rohrförmige auskleidungen und rohre aus kunststoff - Google Patents

Verfahren und vorrichtung zum ziehen mit kalibrierter extrusionspräzision,rohrförmige auskleidungen und rohre aus kunststoff

Info

Publication number
DE69701691D1
DE69701691D1 DE69701691T DE69701691T DE69701691D1 DE 69701691 D1 DE69701691 D1 DE 69701691D1 DE 69701691 T DE69701691 T DE 69701691T DE 69701691 T DE69701691 T DE 69701691T DE 69701691 D1 DE69701691 D1 DE 69701691D1
Authority
DE
Germany
Prior art keywords
drawing method
plastic tubes
tubular lining
extrusion precision
calibrated extrusion
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69701691T
Other languages
English (en)
Other versions
DE69701691T2 (de
Inventor
Giuseppe Raia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69701691D1 publication Critical patent/DE69701691D1/de
Application granted granted Critical
Publication of DE69701691T2 publication Critical patent/DE69701691T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle 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
    • B29C48/03—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
    • B29C48/15—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
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE69701691T 1996-05-03 1997-04-28 Verfahren und vorrichtung zum ziehen mit kalibrierter extrusionspräzision,rohrförmige auskleidungen und rohre aus kunststoff Expired - Fee Related DE69701691T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96TO000351A IT1285075B1 (it) 1996-05-03 1996-05-03 Procedimento e dispositivo di trafilatura con estrusione calibrata di tubi e rivestimenti tubolari di precisione in gomma, materia plastica
PCT/EP1997/002192 WO1997042018A1 (en) 1996-05-03 1997-04-28 Process and device for drawing with calibrated extrusion precision tubular linings and tubes made of rubber, plastic and the like

Publications (2)

Publication Number Publication Date
DE69701691D1 true DE69701691D1 (de) 2000-05-18
DE69701691T2 DE69701691T2 (de) 2000-11-23

Family

ID=11414596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69701691T Expired - Fee Related DE69701691T2 (de) 1996-05-03 1997-04-28 Verfahren und vorrichtung zum ziehen mit kalibrierter extrusionspräzision,rohrförmige auskleidungen und rohre aus kunststoff

Country Status (5)

Country Link
EP (1) EP0907491B1 (de)
AU (1) AU2773897A (de)
DE (1) DE69701691T2 (de)
IT (1) IT1285075B1 (de)
WO (1) WO1997042018A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110774516B (zh) * 2019-10-22 2021-07-20 齐齐哈尔大学 一种舒适复写笔托制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1507091A (fr) * 1966-01-03 1967-12-22 Nat Distillers Chem Corp Dispositif de filière d'extrusion à éléments multiples
GB1388306A (en) * 1972-06-19 1975-03-26 British Insulated Callenders Manufacture of insulated electric cables
US3833325A (en) * 1972-08-23 1974-09-03 J Ramsey Balanced flow extrusion head
GB2109740B (en) * 1981-10-16 1984-12-12 Fujikura Ltd Extruder cross-head for extruding material around an elongated article
US4882104A (en) * 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
DE9104539U1 (de) * 1991-04-13 1991-07-25 Gesellschaft für Anlagen zur Kunststoffverarbeitung mbH, 4973 Vlotho Spritzkopf für Extruderanlagen zum Ummanteln zylindrischer Strangprodukte

Also Published As

Publication number Publication date
EP0907491B1 (de) 2000-04-12
WO1997042018A1 (en) 1997-11-13
IT1285075B1 (it) 1998-06-03
ITTO960351A1 (it) 1997-11-03
DE69701691T2 (de) 2000-11-23
EP0907491A1 (de) 1999-04-14
ITTO960351A0 (it) 1996-05-03
AU2773897A (en) 1997-11-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee