CH680659A5 - - Google Patents
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- Publication number
- CH680659A5 CH680659A5 CH2259/89A CH225989A CH680659A5 CH 680659 A5 CH680659 A5 CH 680659A5 CH 2259/89 A CH2259/89 A CH 2259/89A CH 225989 A CH225989 A CH 225989A CH 680659 A5 CH680659 A5 CH 680659A5
- Authority
- CH
- Switzerland
- Prior art keywords
- pipe
- section
- die
- straight portion
- narrowed section
- Prior art date
Links
- 239000012815 thermoplastic material Substances 0.000 claims description 23
- 238000007493 shaping process Methods 0.000 claims description 10
- 210000003462 vein Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920001890 Novodur Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 241000219793 Trifolium Species 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004605 External Lubricant Substances 0.000 description 1
- 239000004610 Internal Lubricant Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010816 packaging waste Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding 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
- B29C44/507—Feeding 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
-
- 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
-
- 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
-
- 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
-
- 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
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0072—Roughness, e.g. anti-slip
-
- 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
- B29L2023/22—Tubes 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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| CH680659A5 true CH680659A5 (enrdf_load_stackoverflow) | 1992-10-15 |
Family
ID=9368123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH2259/89A CH680659A5 (enrdf_load_stackoverflow) | 1988-07-04 | 1989-06-16 |
Country Status (10)
Families Citing this family (4)
| 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)
| 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 |
-
1988
- 1988-07-04 FR FR8809125A patent/FR2633554B1/fr not_active Expired - Fee Related
-
1989
- 1989-06-16 CH CH2259/89A patent/CH680659A5/fr not_active IP Right Cessation
- 1989-06-19 AT AT0149589A patent/AT403778B/de not_active IP Right Cessation
- 1989-06-21 IT IT8920940A patent/IT1230889B/it active
- 1989-06-26 GB GB8914629A patent/GB2220165B/en not_active Expired - Fee Related
- 1989-06-28 BE BE8900711A patent/BE1006667A3/fr not_active IP Right Cessation
- 1989-06-29 PT PT91013A patent/PT91013B/pt not_active IP Right Cessation
- 1989-07-03 ES ES8902346A patent/ES2015163A6/es not_active Expired - Fee Related
- 1989-07-03 DE DE3921853A patent/DE3921853C2/de not_active Expired - Fee Related
- 1989-07-03 NL NL8901687A patent/NL195010C/nl not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2220165B (en) | 1992-07-01 |
| DE3921853A1 (de) | 1990-01-11 |
| AT403778B (de) | 1998-05-25 |
| 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 |
| PT91013B (pt) | 1994-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PFA | Name/firm changed |
Owner name: SOLVAY (SOCIETE ANONYME) |
|
| PL | Patent ceased |