IT1096346B - Apparecchiatura per regolare il flusso di polimero fuso da una sorgente - Google Patents

Apparecchiatura per regolare il flusso di polimero fuso da una sorgente

Info

Publication number
IT1096346B
IT1096346B IT23879/78A IT2387978A IT1096346B IT 1096346 B IT1096346 B IT 1096346B IT 23879/78 A IT23879/78 A IT 23879/78A IT 2387978 A IT2387978 A IT 2387978A IT 1096346 B IT1096346 B IT 1096346B
Authority
IT
Italy
Prior art keywords
regulating
equipment
source
flow
melted polymer
Prior art date
Application number
IT23879/78A
Other languages
English (en)
Other versions
IT7823879A0 (it
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of IT7823879A0 publication Critical patent/IT7823879A0/it
Application granted granted Critical
Publication of IT1096346B publication Critical patent/IT1096346B/it

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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • 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
    • 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
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
IT23879/78A 1977-05-27 1978-05-26 Apparecchiatura per regolare il flusso di polimero fuso da una sorgente IT1096346B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80113977A 1977-05-27 1977-05-27

Publications (2)

Publication Number Publication Date
IT7823879A0 IT7823879A0 (it) 1978-05-26
IT1096346B true IT1096346B (it) 1985-08-26

Family

ID=25180298

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23879/78A IT1096346B (it) 1977-05-27 1978-05-26 Apparecchiatura per regolare il flusso di polimero fuso da una sorgente

Country Status (10)

Country Link
JP (1) JPS6036931B2 (it)
AU (1) AU525986B2 (it)
CA (1) CA1090678A (it)
CH (1) CH630001A5 (it)
DE (1) DE2821559A1 (it)
ES (1) ES469993A1 (it)
FR (1) FR2391841A1 (it)
GB (1) GB1599237A (it)
IT (1) IT1096346B (it)
NL (1) NL7805313A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60192045A (ja) * 1984-03-09 1985-09-30 積水ハウス株式会社 パネル取付構造
JPS60192044A (ja) * 1984-03-09 1985-09-30 積水ハウス株式会社 間仕切壁工法
JP2827077B2 (ja) * 1993-10-26 1998-11-18 浅野スレート株式会社 間仕切用パネルの固定金具及び間仕切用パネルの固定方法
DE4409234A1 (de) * 1994-03-18 1995-09-21 Zimmer Ag Verteiler für viskose Flüssigkeiten mit multiplen radialen Ausgängen
US6918451B2 (en) 2002-04-11 2005-07-19 Kioritz Corporation Brake band and portable trimmer
ITMI20050067A1 (it) * 2005-01-21 2006-07-22 Uniloy Milacron S R L Dispositivo e metodo per il controllo dinamico dimportata su teste di estrusione per il soffiaggio di corpi cavi
DE102018204584A1 (de) * 2018-03-26 2019-09-26 Coperion Gmbh Anfahrventil-Drossel-Vorrichtung zum Austragen einer Schmelze aus einer Schneckenmaschine sowie Anlage zur Aufbereitung von Schüttgut mit einer derartigen Anfahrventil-Drossel-Vorrichtung und Verfahren zum Austragen einer Schmelze aus einer Schneckenmaschine mittels einer derartigen Anfahrventil-Drossel-Vorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB902099A (en) * 1959-10-28 1962-07-25 Monsanto Chemicals Improvements relating to extrusion
DE1554752A1 (de) * 1966-11-16 1970-01-29 Kautex Werke Gmbh Vorrichtung zum Aufteilen eines Stromes aus thermoplastischem Kunststoff
DE6751903U (de) * 1968-08-09 1969-02-20 Reifenhaeuser Kg Verteiler fuer kunststoffextruder
DE1900532A1 (de) * 1969-01-07 1970-08-20 Basf Ag Verfahren und Anordnung zum Veraendern der Werkstoffverteilung eines aus einer Auspressvorrichtung austretenden Vorformlings aus thermoplastischem Werkstoff
US3647344A (en) * 1970-03-16 1972-03-07 Monsanto Co Apparatus for controlling back pressure in an extruder
DE2020946A1 (de) * 1970-04-29 1971-11-18 Siemag Siegener Maschb Gmbh Verfahren und Vorrichtung zum Unterteilen eines plastischen Kunststoffstranges in mehrere Teilstraenge

Also Published As

Publication number Publication date
FR2391841A1 (fr) 1978-12-22
AU525986B2 (en) 1982-12-09
NL7805313A (nl) 1978-11-29
CA1090678A (en) 1980-12-02
ES469993A1 (es) 1979-01-01
AU3653478A (en) 1979-11-29
JPS6036931B2 (ja) 1985-08-23
JPS541374A (en) 1979-01-08
DE2821559C2 (it) 1987-12-23
FR2391841B1 (it) 1983-04-08
DE2821559A1 (de) 1978-12-07
CH630001A5 (en) 1982-05-28
GB1599237A (en) 1981-09-30
IT7823879A0 (it) 1978-05-26

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