AU525986B2 - Valve system for controlling flow of molten polymer - Google Patents
Valve system for controlling flow of molten polymerInfo
- 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
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)
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)
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)
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 |
-
1978
- 1978-05-15 CA CA303,365A patent/CA1090678A/en not_active Expired
- 1978-05-17 DE DE19782821559 patent/DE2821559A1/en active Granted
- 1978-05-17 NL NL7805313A patent/NL7805313A/en not_active Application Discontinuation
- 1978-05-18 ES ES469993A patent/ES469993A1/en not_active Expired
- 1978-05-25 CH CH571578A patent/CH630001A5/en not_active IP Right Cessation
- 1978-05-26 IT IT23879/78A patent/IT1096346B/en active
- 1978-05-26 GB GB23505/78A patent/GB1599237A/en not_active Expired
- 1978-05-26 JP JP53063179A patent/JPS6036931B2/en not_active Expired
- 1978-05-26 AU AU36534/78A patent/AU525986B2/en not_active Expired
- 1978-05-26 FR FR7815874A patent/FR2391841A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
ES469993A1 (en) | 1979-01-01 |
GB1599237A (en) | 1981-09-30 |
FR2391841A1 (en) | 1978-12-22 |
CH630001A5 (en) | 1982-05-28 |
IT7823879A0 (en) | 1978-05-26 |
JPS541374A (en) | 1979-01-08 |
FR2391841B1 (en) | 1983-04-08 |
JPS6036931B2 (en) | 1985-08-23 |
NL7805313A (en) | 1978-11-29 |
DE2821559C2 (en) | 1987-12-23 |
IT1096346B (en) | 1985-08-26 |
DE2821559A1 (en) | 1978-12-07 |
CA1090678A (en) | 1980-12-02 |
AU3653478A (en) | 1979-11-29 |
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