IT1192216B - Valvola di regolazione del flusso di polimero fuso - Google Patents

Valvola di regolazione del flusso di polimero fuso

Info

Publication number
IT1192216B
IT1192216B IT31138/77A IT3113877A IT1192216B IT 1192216 B IT1192216 B IT 1192216B IT 31138/77 A IT31138/77 A IT 31138/77A IT 3113877 A IT3113877 A IT 3113877A IT 1192216 B IT1192216 B IT 1192216B
Authority
IT
Italy
Prior art keywords
regulation valve
polymer flow
melted polymer
melted
flow
Prior art date
Application number
IT31138/77A
Other languages
English (en)
Italian (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
Application granted granted Critical
Publication of IT1192216B publication Critical patent/IT1192216B/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
    • 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
    • B29C48/30—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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/92904—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86879—Reciprocating valve unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87788—With valve or movable deflector at junction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT31138/77A 1976-12-23 1977-12-22 Valvola di regolazione del flusso di polimero fuso IT1192216B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/753,747 US4081231A (en) 1976-12-23 1976-12-23 Flow distribution valve for dual thermoplastic tube extrusion

Publications (1)

Publication Number Publication Date
IT1192216B true IT1192216B (it) 1988-03-31

Family

ID=25031978

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31138/77A IT1192216B (it) 1976-12-23 1977-12-22 Valvola di regolazione del flusso di polimero fuso

Country Status (11)

Country Link
US (1) US4081231A (en, 2012)
JP (1) JPS609893B2 (en, 2012)
AU (1) AU509458B2 (en, 2012)
CA (1) CA1081087A (en, 2012)
CH (1) CH624457A5 (en, 2012)
DE (2) DE7738459U1 (en, 2012)
ES (1) ES465007A1 (en, 2012)
FR (1) FR2375027A1 (en, 2012)
GB (1) GB1560437A (en, 2012)
IT (1) IT1192216B (en, 2012)
NL (1) NL7713180A (en, 2012)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170450A (en) * 1976-12-23 1979-10-09 Mobil Oil Corporation Flow distribution valve system for control of extrusion from multiple die orifices
NL7810687A (nl) * 1977-11-07 1979-05-09 Mobil Oil Corp Uitstroomregelklep voor extrusie van kunststof.
US4234018A (en) * 1978-11-24 1980-11-18 Mobil Oil Corporation Flow distribution valve system for control of extrusion from multiple die orifices
FR2461573A1 (fr) * 1979-07-20 1981-02-06 Diepal Nez d'extrudeuse destine a equiper une chaine de fabrication de produits en bande par le procede cuisson-extrusion-expansion
DE3001159C2 (de) * 1980-01-15 1987-03-05 kabelmetal electro GmbH, 3000 Hannover Verfahren zum Herstellen schrumpffähiger Formteile
CA1199854A (en) * 1983-08-31 1986-01-28 Majesty (Her) The Queen In Right Of Canada As Represented By The Minister Of National Defence Laminar flow element
GB8808403D0 (en) * 1988-04-11 1988-05-11 Ass Elect Ind Extrusion process & apparatus
GB2269242A (en) * 1992-08-01 1994-02-02 Johnston Fluid Power Limited Control valves and methods for their manufacture
US5406981A (en) * 1994-04-11 1995-04-18 Frederick; Charles V. Flow control for fluid circuits
US5616350A (en) * 1995-04-10 1997-04-01 Cincinnati Milacron Inc. Dual flow divider with diverter valve
DE19850921C2 (de) * 1998-11-05 2003-09-04 Zimmer Ag Mehrwege-Ventil für Flüssigkeiten
US6439771B1 (en) 2000-03-15 2002-08-27 Webster Industries Division Chelsea Industries, Inc. Zippered resealable closure
US20050074660A1 (en) * 2003-07-11 2005-04-07 Linder James C. Three way valve assembly
JP4632710B2 (ja) * 2004-07-16 2011-02-16 株式会社ブリヂストン ゴム被覆コードの製造装置
US20060076703A1 (en) * 2004-10-13 2006-04-13 Looman Ernest W Jr Double flow channel for an extruder head
US7384259B2 (en) * 2006-02-09 2008-06-10 Guill Tool & Engineering Co, Inc. Mechanism for adjusting a valve for regulating the flow of plastic to an extrusion die
US11815187B2 (en) * 2022-01-26 2023-11-14 Maag Germany Gmbh 3-port valve

Family Cites Families (8)

* 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
DE1129277B (de) * 1960-01-13 1962-05-10 Norddeutsche Seekabelwerke Ag Spritzkopf einer Schneckenpresse zur Herstellung von knotenlosen strang-gepressten thermoplastischen Kunststoffnetzen
BE638974A (en, 2012) * 1962-10-23 1900-01-01
US3355763A (en) * 1965-05-17 1967-12-05 Egan & Co Frank W Rotary parison head blow molding machine
US3468340A (en) * 1966-06-13 1969-09-23 Bowles Eng Corp Mechanical-to-fluid interface
DE6751903U (de) * 1968-08-09 1969-02-20 Reifenhaeuser Kg Verteiler fuer kunststoffextruder
US3901636A (en) * 1973-06-11 1975-08-26 Beloit Corp Plastic extrusion and odor elimination apparatus
FR2232428B1 (en, 2012) * 1973-06-11 1978-01-13 Beloit Corp

Also Published As

Publication number Publication date
DE2756214A1 (de) 1978-06-29
JPS5380467A (en) 1978-07-15
GB1560437A (en) 1980-02-06
FR2375027B1 (en, 2012) 1982-05-14
JPS609893B2 (ja) 1985-03-13
CA1081087A (en) 1980-07-08
US4081231A (en) 1978-03-28
FR2375027A1 (fr) 1978-07-21
DE7738459U1 (de) 1978-07-13
AU509458B2 (en) 1980-05-15
ES465007A1 (es) 1978-09-01
AU3080177A (en) 1979-05-31
NL7713180A (nl) 1978-06-27
CH624457A5 (en, 2012) 1981-07-31

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