PT91013B - Processo para a realizacao, por coextrusao, de um tubo leve e fieira para a sua realizacao - Google Patents

Processo para a realizacao, por coextrusao, de um tubo leve e fieira para a sua realizacao Download PDF

Info

Publication number
PT91013B
PT91013B PT91013A PT9101389A PT91013B PT 91013 B PT91013 B PT 91013B PT 91013 A PT91013 A PT 91013A PT 9101389 A PT9101389 A PT 9101389A PT 91013 B PT91013 B PT 91013B
Authority
PT
Portugal
Prior art keywords
section
fact
tube
conformation
zone
Prior art date
Application number
PT91013A
Other languages
English (en)
Portuguese (pt)
Other versions
PT91013A (pt
Inventor
Claude Dehennau
Marc Kerger
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Publication of PT91013A publication Critical patent/PT91013A/pt
Publication of PT91013B publication Critical patent/PT91013B/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/46Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0072Roughness, e.g. anti-slip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
PT91013A 1988-07-04 1989-06-29 Processo para a realizacao, por coextrusao, de um tubo leve e fieira para a sua realizacao PT91013B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8809125A FR2633554B1 (fr) 1988-07-04 1988-07-04 Procede pour realiser, par coextrusion, un tuyau allege et filiere pour sa realisation

Publications (2)

Publication Number Publication Date
PT91013A PT91013A (pt) 1990-02-08
PT91013B true PT91013B (pt) 1994-06-30

Family

ID=9368123

Family Applications (1)

Application Number Title Priority Date Filing Date
PT91013A PT91013B (pt) 1988-07-04 1989-06-29 Processo para a realizacao, por coextrusao, de um tubo leve e fieira para a sua realizacao

Country Status (10)

Country Link
AT (1) AT403778B (enrdf_load_stackoverflow)
BE (1) BE1006667A3 (enrdf_load_stackoverflow)
CH (1) CH680659A5 (enrdf_load_stackoverflow)
DE (1) DE3921853C2 (enrdf_load_stackoverflow)
ES (1) ES2015163A6 (enrdf_load_stackoverflow)
FR (1) FR2633554B1 (enrdf_load_stackoverflow)
GB (1) GB2220165B (enrdf_load_stackoverflow)
IT (1) IT1230889B (enrdf_load_stackoverflow)
NL (1) NL195010C (enrdf_load_stackoverflow)
PT (1) PT91013B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6827888B2 (en) * 2001-01-23 2004-12-07 Genpak Llc Polymeric foam sheet using ambient gas blowing agent via controlled expansion
CN102001173B (zh) * 2010-12-02 2013-06-05 铜陵三佳科技股份有限公司 挤出具有共挤面异型材的共挤模头
CN102922723A (zh) * 2012-11-08 2013-02-13 苏州金纬机械制造有限公司 一种成型管分流模具
CN106827449B (zh) * 2017-01-20 2022-11-25 广东科志达机械科技有限公司 一种吹膜机的吹膜装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL106764C (enrdf_load_stackoverflow) * 1956-03-22 1900-01-01
GB1128809A (en) * 1965-10-28 1968-10-02 Monsanto Chemicals Foamed resins
US3497915A (en) * 1967-03-16 1970-03-03 Cupples Container Co Extrusion die
CH469550A (de) * 1967-07-12 1969-03-15 Basf Ag Ringdüse für Extruder, insbesondere Blaskopf zur Herstellung von Schlauchfolien aus expandierbaren thermoplastischen Kunststoffen
GB1211860A (en) * 1967-10-03 1970-11-11 Ici Ltd A process for the production of pipe
FR2130735A5 (enrdf_load_stackoverflow) * 1970-05-29 1972-11-10 Armosig
FR2139626B3 (enrdf_load_stackoverflow) * 1971-05-26 1973-05-25 Armosig
DE2126976A1 (en) * 1970-05-29 1972-01-20 Armosig Extrusion press - with section of constant diameter to allow foaming action to stabilise
US3899276A (en) * 1973-05-29 1975-08-12 Beloit Corp Annular extrusion die with back pressure control
US4057610A (en) * 1975-07-25 1977-11-08 Monsanto Company Hose reinforced with discontinuous fibers oriented in the radial direction
DE2610972C2 (de) * 1976-03-16 1984-04-12 Erich 7326 Heiningen Oprach Vorrichtung zur Herstellung von Rohren o.ä. Hohlsträngen aus thermoplastischem Kunststoff
FR2427897A1 (fr) * 1978-06-09 1980-01-04 Pont A Mousson Procede d'extrusion et filiere chaude pour sa mise en oeuvre
FR2455972A1 (fr) * 1979-05-10 1980-12-05 Sogecan Ste Gle Canalisations Procede et appareillage pour l'extrusion de tubes plastiques a parois composites
FR2494180A1 (fr) * 1980-11-19 1982-05-21 Comp Generale Electricite Procede de fabrication de tubes ou profiles curvilignes ou feuilles de materiau plastique a conductibilite thermique elevee anisotrope
DE3233250A1 (de) * 1982-09-08 1984-03-08 Basf Ag, 6700 Ludwigshafen Vorrichtung zum strangpressen von thermoplastischen kunststoffen

Also Published As

Publication number Publication date
GB2220165B (en) 1992-07-01
DE3921853A1 (de) 1990-01-11
AT403778B (de) 1998-05-25
CH680659A5 (enrdf_load_stackoverflow) 1992-10-15
FR2633554B1 (fr) 1990-10-19
FR2633554A1 (fr) 1990-01-05
NL195010C (nl) 2003-06-10
PT91013A (pt) 1990-02-08
GB8914629D0 (en) 1989-08-16
GB2220165A (en) 1990-01-04
NL8901687A (nl) 1990-02-01
IT1230889B (it) 1991-11-08
ATA149589A (de) 1997-10-15
DE3921853C2 (de) 1999-04-08
IT8920940A0 (it) 1989-06-21
ES2015163A6 (es) 1990-08-01
BE1006667A3 (fr) 1994-11-16

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Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19931210

PD3A Change of proprietorship
MM3A Annulment or lapse

Effective date: 20050613