DE69414425D1 - Rohrförmiger mehrschichtvorformling und verfahren und vorrichtung zu dessen herstellung - Google Patents

Rohrförmiger mehrschichtvorformling und verfahren und vorrichtung zu dessen herstellung

Info

Publication number
DE69414425D1
DE69414425D1 DE69414425T DE69414425T DE69414425D1 DE 69414425 D1 DE69414425 D1 DE 69414425D1 DE 69414425 T DE69414425 T DE 69414425T DE 69414425 T DE69414425 T DE 69414425T DE 69414425 D1 DE69414425 D1 DE 69414425D1
Authority
DE
Germany
Prior art keywords
preforming
production
tubular multilayer
multilayer
tubular
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 - Lifetime
Application number
DE69414425T
Other languages
English (en)
Inventor
Olivier Simon Lefort
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
Application granted granted Critical
Publication of DE69414425D1 publication Critical patent/DE69414425D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/30—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
    • B29C48/3366—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 die with concentric parts, e.g. rings, cylinders
    • 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
    • B29C48/18—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
DE69414425T 1994-03-11 1994-03-11 Rohrförmiger mehrschichtvorformling und verfahren und vorrichtung zu dessen herstellung Expired - Lifetime DE69414425D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/FR1994/000267 WO1995024302A1 (fr) 1994-03-11 1994-03-11 Paraison tubulaire multi-couches ainsi que procede et appareil pour sa fabrication
CA002185110A CA2185110A1 (fr) 1994-03-11 1994-03-11 Paraison tubulaire multi-couches ainsi que procede et appareil pour sa fabrication

Publications (1)

Publication Number Publication Date
DE69414425D1 true DE69414425D1 (de) 1998-12-10

Family

ID=25678667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414425T Expired - Lifetime DE69414425D1 (de) 1994-03-11 1994-03-11 Rohrförmiger mehrschichtvorformling und verfahren und vorrichtung zu dessen herstellung

Country Status (3)

Country Link
CA (1) CA2185110A1 (de)
DE (1) DE69414425D1 (de)
WO (1) WO1995024302A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113543951A (zh) * 2019-03-05 2021-10-22 3M创新有限公司 包括连续层和不连续层的共挤出多层制品

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392291A (en) * 1971-05-19 1975-04-30 Creators Ltd Reinforced tubes of plastics or elastomeric materials
GB1370281A (en) * 1971-09-02 1974-10-16 Creators Ltd Flexible plastics hoses
DE2508919A1 (de) * 1975-03-01 1976-09-09 Barmag Barmer Maschf Verfahren zur herstellung von mehrschichtigen kunststoffverbundfolien
ATE75442T1 (de) * 1987-07-08 1992-05-15 Soplar Sa Koextrusionsvorrichtung.
EP0573683A1 (de) * 1992-06-09 1993-12-15 Jean Rubie Herstellungsverfahren verstärkter blasgeformter Kunststoffbehälter und damit hergestellte Behälter
FR2698581B1 (fr) * 1992-11-30 1995-04-14 Lefort Olivier Procédé de fabrication d'une paraison en extrusion-soufflage de thermo-plastiques pour réaliser des corps creux.

Also Published As

Publication number Publication date
CA2185110A1 (fr) 1995-09-14
WO1995024302A1 (fr) 1995-09-14

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Legal Events

Date Code Title Description
8332 No legal effect for de