IT1243421B - Dispositivo per controllare lo spessore radiale di estrusione di polimeri termoplastici. - Google Patents

Dispositivo per controllare lo spessore radiale di estrusione di polimeri termoplastici.

Info

Publication number
IT1243421B
IT1243421B IT02156890A IT2156890A IT1243421B IT 1243421 B IT1243421 B IT 1243421B IT 02156890 A IT02156890 A IT 02156890A IT 2156890 A IT2156890 A IT 2156890A IT 1243421 B IT1243421 B IT 1243421B
Authority
IT
Italy
Prior art keywords
thermoplastic polymers
radial thickness
extrusion
control
passage
Prior art date
Application number
IT02156890A
Other languages
English (en)
Other versions
IT9021568A1 (it
IT9021568A0 (it
Inventor
Mario Tietto
Original Assignee
Soffiaggio Tecnica Srl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11183729&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1243421(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of IT9021568A0 publication Critical patent/IT9021568A0/it
Priority to IT02156890A priority Critical patent/IT1243421B/it
Application filed by Soffiaggio Tecnica Srl filed Critical Soffiaggio Tecnica Srl
Priority to ES91114507T priority patent/ES2072500T5/es
Priority to EP91114507A priority patent/EP0478957B2/en
Priority to AT91114507T priority patent/ATE120686T1/de
Priority to DE69108659T priority patent/DE69108659T3/de
Priority to BR919104041A priority patent/BR9104041A/pt
Priority to JP91245988A priority patent/JPH04257416A/ja
Publication of IT9021568A1 publication Critical patent/IT9021568A1/it
Publication of IT1243421B publication Critical patent/IT1243421B/it
Application granted granted Critical

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
    • B29C48/03—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
    • 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
    • B29C48/03—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
    • B29C48/03—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
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/082—Diameter
    • 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
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • 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)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
IT02156890A 1990-09-25 1990-09-25 Dispositivo per controllare lo spessore radiale di estrusione di polimeri termoplastici. IT1243421B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT02156890A IT1243421B (it) 1990-09-25 1990-09-25 Dispositivo per controllare lo spessore radiale di estrusione di polimeri termoplastici.
ES91114507T ES2072500T5 (es) 1990-09-25 1991-08-29 Dispositivo para controlar el espesor de extrusion radial de polimeros termoplasticos.
DE69108659T DE69108659T3 (de) 1990-09-25 1991-08-29 Vorrichtung zum Steuern des radialen Extrusionsdurchmessers eines thermoplastischen Polymers.
EP91114507A EP0478957B2 (en) 1990-09-25 1991-08-29 Device for controlling the radial extrusion thickness of thermoplastic polymers
AT91114507T ATE120686T1 (de) 1990-09-25 1991-08-29 Vorrichtung zum steuern des radialen extrusionsdurchmessers eines thermoplastischen polymers.
BR919104041A BR9104041A (pt) 1990-09-25 1991-09-20 Dispositivo para a extrusao de polimeroa termoplasticos e aparelho para fabricar corpos ocos soprados a partir de um elemento tubular termoplastico
JP91245988A JPH04257416A (ja) 1990-09-25 1991-09-25 熱可塑性重合体押出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02156890A IT1243421B (it) 1990-09-25 1990-09-25 Dispositivo per controllare lo spessore radiale di estrusione di polimeri termoplastici.

Publications (3)

Publication Number Publication Date
IT9021568A0 IT9021568A0 (it) 1990-09-25
IT9021568A1 IT9021568A1 (it) 1992-03-25
IT1243421B true IT1243421B (it) 1994-06-10

Family

ID=11183729

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02156890A IT1243421B (it) 1990-09-25 1990-09-25 Dispositivo per controllare lo spessore radiale di estrusione di polimeri termoplastici.

Country Status (7)

Country Link
EP (1) EP0478957B2 (it)
JP (1) JPH04257416A (it)
AT (1) ATE120686T1 (it)
BR (1) BR9104041A (it)
DE (1) DE69108659T3 (it)
ES (1) ES2072500T5 (it)
IT (1) IT1243421B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2760746B2 (ja) * 1994-03-10 1998-06-04 株式会社日本製鋼所 中空成形機のパリソン制御装置
HU221024B1 (hu) * 1996-11-01 2002-07-29 Antal Bődi Eljárás száraztészta termékek gyártására, valamint adapter ilyen eljárás megvalósítására
JPH10296910A (ja) * 1997-04-25 1998-11-10 Usui Internatl Ind Co Ltd 重合被覆金属管およびその被覆形成方法
JP3840569B2 (ja) * 1997-08-21 2006-11-01 ダイキン工業株式会社 ポリテトラフルオロエチレンチューブ及びそのための押出機
WO1999044805A1 (de) * 1998-03-05 1999-09-10 Mauser-Werke Gmbh Extrusionskopf
DE19854249C2 (de) * 1998-11-24 2001-01-25 Harald Feuerherm Verfahren und Vorrichtung zum Extrusionsblasformen von Kunststoffbehältern mit unterschiedlichen Behälterquerschnitten
ITMI20050110A1 (it) * 2005-01-27 2006-07-28 Uniloy Milacron S R L Tsta di estrusione per il soffiaggio di corpi cavi con sistema di distribuzione dello spessore delle pareti del parison
WO2008011893A1 (en) * 2006-07-25 2008-01-31 Uniloy Milacron S.R.L. An extrusion head for blow moulding of hollow bodies with a system of distribution of the thickness of the walls of the parison

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2610668C2 (de) * 1976-03-13 1982-08-19 Elbatainer Kunststoff- Und Verpackungsgesellschaft Mbh, 7505 Ettlingen Vorrichtung zum Herstellen von Hohlkörpern aus thermoplastischem Kunststoff
DE2823999C2 (de) * 1977-11-21 1984-06-20 Harald 5210 Troisdorf Feuerherm Vorrichtung zum Regeln und/oder Einstellen der Wandstärke von aus thermoplastischem Kunststoff gebildeten Hohlkörpern
DE3043228A1 (de) * 1980-11-15 1982-07-01 Mauser-Werke GmbH, 5040 Brühl Strangpresskopf
DE3301248A1 (de) * 1983-01-15 1984-07-19 Mauser-Werke GmbH, 5040 Brühl Strangpresskopf
DE3414234A1 (de) * 1984-04-14 1985-10-24 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zur herstellung blasgeformter hohlkoerper aus thermoplastischen kunststoffen

Also Published As

Publication number Publication date
DE69108659T2 (de) 1995-11-30
ES2072500T5 (es) 1998-10-01
JPH04257416A (ja) 1992-09-11
ATE120686T1 (de) 1995-04-15
DE69108659D1 (de) 1995-05-11
IT9021568A1 (it) 1992-03-25
EP0478957B2 (en) 1998-08-05
ES2072500T3 (es) 1995-07-16
EP0478957B1 (en) 1995-04-05
EP0478957A1 (en) 1992-04-08
BR9104041A (pt) 1992-06-02
IT9021568A0 (it) 1990-09-25
DE69108659T3 (de) 1999-01-21

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