DE69802999D1 - Düse zum Extrudieren von Folien - Google Patents

Düse zum Extrudieren von Folien

Info

Publication number
DE69802999D1
DE69802999D1 DE69802999T DE69802999T DE69802999D1 DE 69802999 D1 DE69802999 D1 DE 69802999D1 DE 69802999 T DE69802999 T DE 69802999T DE 69802999 T DE69802999 T DE 69802999T DE 69802999 D1 DE69802999 D1 DE 69802999D1
Authority
DE
Germany
Prior art keywords
nozzle
foils
extruding
extruding foils
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
DE69802999T
Other languages
English (en)
Other versions
DE69802999T2 (de
Inventor
Asa Ryden
Ion Postoaca
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.)
TETRA LAVAL HOLDINGS and FINANCE PULLY SA
Tetra Laval Holdings and Finance SA
Original Assignee
TETRA LAVAL HOLDINGS and FINANCE PULLY SA
Tetra Laval Holdings and Finance SA
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 TETRA LAVAL HOLDINGS and FINANCE PULLY SA, Tetra Laval Holdings and Finance SA filed Critical TETRA LAVAL HOLDINGS and FINANCE PULLY SA
Application granted granted Critical
Publication of DE69802999D1 publication Critical patent/DE69802999D1/de
Publication of DE69802999T2 publication Critical patent/DE69802999T2/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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2029/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof as moulding material
    • B29K2029/04—PVOH, i.e. polyvinyl alcohol

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE69802999T 1997-05-16 1998-05-07 Düse zum Extrudieren von Folien Expired - Fee Related DE69802999T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9701831A SE507181C2 (sv) 1997-05-16 1997-05-16 Munstycke för filmextrudering

Publications (2)

Publication Number Publication Date
DE69802999D1 true DE69802999D1 (de) 2002-01-31
DE69802999T2 DE69802999T2 (de) 2002-06-20

Family

ID=20406967

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69802999T Expired - Fee Related DE69802999T2 (de) 1997-05-16 1998-05-07 Düse zum Extrudieren von Folien

Country Status (4)

Country Link
EP (1) EP0878286B1 (de)
JP (1) JPH1158492A (de)
DE (1) DE69802999T2 (de)
SE (1) SE507181C2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008053799A1 (de) * 2008-10-29 2010-05-06 Bayer Materialscience Ag Extrusionsdüse für Polymere
CN106830117B (zh) * 2017-02-21 2023-02-28 中冶南方都市环保工程技术股份有限公司 地下水分层采样和分层修复装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB926566A (en) * 1958-09-09 1963-05-22 Gore & Ass Extruding fluorocarbons
US3070841A (en) * 1960-12-07 1963-01-01 Goodrich Co B F Method and apparatus for making magnetically anisotropic elongated magnets
US3268385A (en) * 1961-02-09 1966-08-23 Great Lakes Carbon Corp Carbon electrodes or neutronic reactor core bars
ES389897A1 (es) * 1971-04-03 1974-03-01 Jolvent S A Perfeccionamientos en una extrusionadora para la hilatura de materias sinteticas.
US5188784A (en) * 1990-10-16 1993-02-23 The Royal Institution For The Advancement Of Learning (Mcgill University) Process for laminar pollymer extrusion

Also Published As

Publication number Publication date
JPH1158492A (ja) 1999-03-02
EP0878286A1 (de) 1998-11-18
SE9701831L (sv) 1998-04-20
DE69802999T2 (de) 2002-06-20
EP0878286B1 (de) 2001-12-19
SE507181C2 (sv) 1998-04-20
SE9701831D0 (sv) 1997-05-16

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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