FR2710002B1 - Dispositif d'extrusion de tuyau ayant différentes épaisseurs de paroi. - Google Patents

Dispositif d'extrusion de tuyau ayant différentes épaisseurs de paroi.

Info

Publication number
FR2710002B1
FR2710002B1 FR9411012A FR9411012A FR2710002B1 FR 2710002 B1 FR2710002 B1 FR 2710002B1 FR 9411012 A FR9411012 A FR 9411012A FR 9411012 A FR9411012 A FR 9411012A FR 2710002 B1 FR2710002 B1 FR 2710002B1
Authority
FR
France
Prior art keywords
extrusion device
wall thicknesses
different wall
pipe extrusion
pipe
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
FR9411012A
Other languages
English (en)
French (fr)
Other versions
FR2710002A1 (fr
Inventor
Cesare Mogavero
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.)
SAIAG Industria SpA
Original Assignee
SAIAG Industria SpA
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 SAIAG Industria SpA filed Critical SAIAG Industria SpA
Publication of FR2710002A1 publication Critical patent/FR2710002A1/fr
Application granted granted Critical
Publication of FR2710002B1 publication Critical patent/FR2710002B1/fr
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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • B29D23/003—Pipe joints, e.g. straight joints
    • B29D23/006—Elbows
    • 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
    • B29C48/03—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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/302—Extrusion nozzles or dies being adjustable, i.e. having adjustable exit sections
    • 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
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/004—Bent tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/005—Hoses, i.e. flexible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L2011/047—Hoses, i.e. flexible pipes made of rubber or flexible plastics with a diffusion barrier layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
FR9411012A 1993-09-16 1994-09-15 Dispositif d'extrusion de tuyau ayant différentes épaisseurs de paroi. Expired - Fee Related FR2710002B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO930681A IT1261264B (it) 1993-09-16 1993-09-16 Procedimento e dispositivo per la produzione di tubazioni di raccordo e relativa tubazione.

Publications (2)

Publication Number Publication Date
FR2710002A1 FR2710002A1 (fr) 1995-03-24
FR2710002B1 true FR2710002B1 (fr) 1996-03-08

Family

ID=11411737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9411012A Expired - Fee Related FR2710002B1 (fr) 1993-09-16 1994-09-15 Dispositif d'extrusion de tuyau ayant différentes épaisseurs de paroi.

Country Status (5)

Country Link
DE (1) DE4432735A1 (it)
ES (1) ES2112732B1 (it)
FR (1) FR2710002B1 (it)
GB (1) GB2282099B (it)
IT (1) IT1261264B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19625209A1 (de) * 1996-06-25 1998-01-02 Sika Ag Injektionsschlauch und Verfahren zu dessen Herstellung
GB0008553D0 (en) 2000-04-06 2000-05-24 Unilever Plc Process and apparatus for the production of a detergent bar
EP1698445B1 (de) * 2003-03-28 2010-01-06 Harald Feuerherm Verfahren zum Blasformen von Hohlkörpern aus thermoplatischem Kunststoff
DE102022123675A1 (de) 2022-09-15 2024-03-21 Bayerische Motoren Werke Aktiengesellschaft Umformmatrize für eine Extrusionsvorrichtung, Extrusionsvorrichtung und Verfahren zum Erzeugen eines Profils eines Extrudats mittels einer Extrusionsvorrichtung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780835A (en) * 1954-03-02 1957-02-12 Orville B Sherman Apparatus for extruding plastic tubes
FR1425435A (fr) * 1964-12-07 1966-01-24 Rhone Poulenc Sa Filière d'extrusion à orifice variable
US3480999A (en) * 1965-10-21 1969-12-02 Louis David Carlo Apparatus for making forming rolls from a plastic material
US3540094A (en) * 1966-04-04 1970-11-17 Reinhard Hendrik Antoon Jansse Device for extruding articles
US3557403A (en) * 1969-01-21 1971-01-26 Jerome H Lemelson Composite extrusion apparatus and method
FR2196892B1 (it) * 1972-08-23 1975-09-12 Raffinage Cie Francaise
DE3122744C2 (de) * 1981-06-09 1984-08-09 Küster & Co GmbH, 6332 Ehringshausen Extruderdüse sowie mittels der Extruderdüse hergestellte Schläuche oder Rohre
JPS62116112A (ja) * 1985-11-15 1987-05-27 Ishikawajima Harima Heavy Ind Co Ltd ブロー成形装置
JPH0661816B2 (ja) * 1988-03-24 1994-08-17 鬼怒川ゴム工業株式会社 異形押出成形用口金構造
IT1232133B (it) * 1989-07-05 1992-01-23 Saiag Spa Guarnizione di tenuta per carrozzerie di autoveicoli, testa di estrusione e procedimento per realizzare tale guarnizione
US5110529A (en) * 1990-02-28 1992-05-05 Tokai Kogyo Kabushiki Kaisha Process for producing hollow moldings
JPH04238019A (ja) * 1991-01-19 1992-08-26 Tokai Rubber Ind Ltd プロテクタ付曲りゴムホ−スの製造方法
EP0590160B1 (en) * 1992-04-20 1998-04-08 Ishikawajima-Harima Heavy Industries Co., Ltd. Flat blow molding apparatus, flat blow molding method and product of flat blow molding

Also Published As

Publication number Publication date
ITTO930681A1 (it) 1995-03-16
ITTO930681A0 (it) 1993-09-16
DE4432735A1 (de) 1995-03-23
GB9418629D0 (en) 1994-11-02
GB2282099A (en) 1995-03-29
ES2112732A1 (es) 1998-04-01
IT1261264B (it) 1996-05-09
ES2112732B1 (es) 1998-11-01
FR2710002A1 (fr) 1995-03-24
GB2282099B (en) 1997-09-10

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Legal Events

Date Code Title Description
ST Notification of lapse