AU525986B2 - Valve system for controlling flow of molten polymer - Google Patents

Valve system for controlling flow of molten polymer

Info

Publication number
AU525986B2
AU525986B2 AU36534/78A AU3653478A AU525986B2 AU 525986 B2 AU525986 B2 AU 525986B2 AU 36534/78 A AU36534/78 A AU 36534/78A AU 3653478 A AU3653478 A AU 3653478A AU 525986 B2 AU525986 B2 AU 525986B2
Authority
AU
Australia
Prior art keywords
valve system
molten polymer
controlling flow
controlling
flow
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU36534/78A
Other versions
AU3653478A (en
Inventor
JOHN HERRINGTON and SIMON ALFRED PEREZ FOX
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Oil Corp
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 AU3653478A publication Critical patent/AU3653478A/en
Application granted granted Critical
Publication of AU525986B2 publication Critical patent/AU525986B2/en
Expired legal-status Critical Current

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)
AU36534/78A 1977-05-27 1978-05-26 Valve system for controlling flow of molten polymer Expired AU525986B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80113977A 1977-05-27 1977-05-27
USUS801139 1977-05-27

Publications (2)

Publication Number Publication Date
AU3653478A AU3653478A (en) 1979-11-29
AU525986B2 true AU525986B2 (en) 1982-12-09

Family

ID=25180298

Family Applications (1)

Application Number Title Priority Date Filing Date
AU36534/78A Expired AU525986B2 (en) 1977-05-27 1978-05-26 Valve system for controlling flow of molten polymer

Country Status (10)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60192044A (en) * 1984-03-09 1985-09-30 積水ハウス株式会社 Room partition wall construction method
JPS60192045A (en) * 1984-03-09 1985-09-30 積水ハウス株式会社 Panel attachment structure
JP2827077B2 (en) * 1993-10-26 1998-11-18 浅野スレート株式会社 Fixing metal for partition panel and method for fixing partition panel
DE4409234A1 (en) * 1994-03-18 1995-09-21 Zimmer Ag Distributor for viscous liquids with multiple radial outlets
US6918451B2 (en) 2002-04-11 2005-07-19 Kioritz Corporation Brake band and portable trimmer
ITMI20050067A1 (en) * 2005-01-21 2006-07-22 Uniloy Milacron S R L DEVICE AND METHOD FOR DYNAMIC CHECK MADE ON EXTRUSION HEADS FOR CABLE BODY BLOWING
DE102018204584A1 (en) * 2018-03-26 2019-09-26 Coperion Gmbh Start-up throttle device for discharging a melt from a screw machine and plant for the treatment of bulk material with such a start-throttle valve device and method for discharging a melt from a screw machine by means of such a starting valve throttle device

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 (en) * 1966-11-16 1970-01-29 Kautex Werke Gmbh Device for dividing a flow of thermoplastic material
DE6751903U (en) * 1968-08-09 1969-02-20 Reifenhaeuser Kg DISTRIBUTOR FOR PLASTIC EXTRUDERS
DE1900532A1 (en) * 1969-01-07 1970-08-20 Basf Ag Altering the material distribution of a - thermoplastic preform from an extruder
US3647344A (en) * 1970-03-16 1972-03-07 Monsanto Co Apparatus for controlling back pressure in an extruder
DE2020946A1 (en) * 1970-04-29 1971-11-18 Siemag Siegener Maschb Gmbh Dividing plasticised resin stream

Also Published As

Publication number Publication date
JPS6036931B2 (en) 1985-08-23
DE2821559A1 (en) 1978-12-07
AU3653478A (en) 1979-11-29
JPS541374A (en) 1979-01-08
ES469993A1 (en) 1979-01-01
IT1096346B (en) 1985-08-26
NL7805313A (en) 1978-11-29
DE2821559C2 (en) 1987-12-23
CH630001A5 (en) 1982-05-28
IT7823879A0 (en) 1978-05-26
GB1599237A (en) 1981-09-30
FR2391841B1 (en) 1983-04-08
CA1090678A (en) 1980-12-02
FR2391841A1 (en) 1978-12-22

Similar Documents

Publication Publication Date Title
CA1030767A (en) Control for fluid flow system
AU556255B2 (en) Flow control system
JPS5758560A (en) Controlling system of flow rate
AU6473780A (en) Process flow control system
AU7006681A (en) Flow control
GR64155B (en) Automatically controlling system of irrigation
AU515327B2 (en) Flow control baffles
AU519181B2 (en) Directional control valve system
AU516855B2 (en) Flow regulating valve
AU517724B2 (en) Controlling low pressure casting
AU529452B2 (en) Fluid flow control valve
CA1029834A (en) System for controlling two variables
AU6596181A (en) Fluid control system
AU536970B2 (en) Control valve system
AU525986B2 (en) Valve system for controlling flow of molten polymer
GB2132779B (en) Compensator system for diaphragm control
AU545008B2 (en) Flow control
AU544590B2 (en) Control of the continuous casting process for steel
AU533198B2 (en) Control system for sprinklers
AU554715B2 (en) Irrigation control system
JPS5325049A (en) System for controlling stream of gasious fluid
AU498302B2 (en) Control of flow of molten metal
AU560919B2 (en) Control impulse amplifier for impulse flood irrigation units
AU4694379A (en) Adjustable flow control
AU519111B2 (en) Flow distribution valve system for control of extrusion from multiple die orifices