IT1140807B - Procedimento per strudere e sagomare materiale termoplastico - Google Patents
Procedimento per strudere e sagomare materiale termoplasticoInfo
- Publication number
- IT1140807B IT1140807B IT21116/80A IT2111680A IT1140807B IT 1140807 B IT1140807 B IT 1140807B IT 21116/80 A IT21116/80 A IT 21116/80A IT 2111680 A IT2111680 A IT 2111680A IT 1140807 B IT1140807 B IT 1140807B
- Authority
- IT
- Italy
- Prior art keywords
- struding
- procedure
- thermoplastic material
- shaping thermoplastic
- shaping
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000007493 shaping process Methods 0.000 title 1
- 239000012815 thermoplastic material Substances 0.000 title 1
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
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
-
- 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
- B29C2948/92009—Measured parameter
- B29C2948/92019—Pressure
-
- 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
- B29C2948/92323—Location or phase of measurement
- B29C2948/92361—Extrusion unit
- B29C2948/9238—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
-
- 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
-
- 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
- B29C2948/9259—Angular velocity
-
- 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
-
- 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
- B29C48/07—Flat, e.g. panels
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54041694A JPS5947980B2 (ja) | 1979-04-05 | 1979-04-05 | 熱可塑性樹脂の押出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8021116A0 IT8021116A0 (it) | 1980-04-01 |
IT1140807B true IT1140807B (it) | 1986-10-10 |
Family
ID=12615523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21116/80A IT1140807B (it) | 1979-04-05 | 1980-04-01 | Procedimento per strudere e sagomare materiale termoplastico |
Country Status (8)
Country | Link |
---|---|
US (1) | US4478775A (it) |
JP (1) | JPS5947980B2 (it) |
AU (1) | AU540062B2 (it) |
CA (1) | CA1147922A (it) |
DE (1) | DE3013184A1 (it) |
FR (1) | FR2453014A1 (it) |
GB (1) | GB2048759B (it) |
IT (1) | IT1140807B (it) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5887013A (ja) * | 1981-11-18 | 1983-05-24 | Japan Steel Works Ltd:The | 連続混練造粒装置 |
US4721589A (en) * | 1983-09-22 | 1988-01-26 | Harrel, Inc. | Extruder viscosity control system and method |
US4830219A (en) * | 1983-09-29 | 1989-05-16 | Nordson Corporation | Apparatus for preparing and dispensing thermoplastic resin |
EP0135922A3 (en) * | 1983-09-29 | 1987-09-30 | Nordson Corporation | Apparatus for preparing and dispensing thermoplastic resin |
FR2606325B2 (fr) * | 1984-04-11 | 1989-12-29 | Bonnel Pierre | Dispositif pour la fabrication de films etirables en polyethylene pour la palettisation |
DE3526050C2 (de) * | 1985-07-20 | 1994-11-17 | Krupp Ag Hoesch Krupp | Verfahren zum Betreiben eines Extruders |
SE452129B (sv) * | 1986-03-07 | 1987-11-16 | Bo Nilsson | Forfarande for styrning av bearbetning och utmatning av plastmassa vid strengsprutning |
DE3623679A1 (de) * | 1986-07-12 | 1988-01-28 | Werner & Pfleiderer | Verfahren zum betrieb eines schneckenextruders und schneckenextruder zur durchfuehrung des verfahrens |
US4988015A (en) * | 1986-10-30 | 1991-01-29 | Nordson Corporation | Method for dispensing fluid materials |
US4922852A (en) * | 1986-10-30 | 1990-05-08 | Nordson Corporation | Apparatus for dispensing fluid materials |
CA1300088C (en) * | 1986-10-30 | 1992-05-05 | Richard P. Price | Apparatus and method for dispensing fluid materials |
US5054650A (en) * | 1986-10-30 | 1991-10-08 | Nordson Corporation | Method of compensating for changes in the flow characteristics of a dispensed fluid to maintain the volume of dispensed fluid at a setpoint |
US4842162A (en) * | 1987-03-27 | 1989-06-27 | Nordson Corporation | Apparatus and method for dispensing fluid materials using position-dependent velocity feedback |
JPS63278812A (ja) * | 1987-05-11 | 1988-11-16 | Chisso Corp | 熱可塑性樹脂のプレス成形方法 |
US5045252A (en) * | 1989-10-24 | 1991-09-03 | Permian Research Corporation | Method and apparatus for controlling rotary extruder |
US5122315A (en) * | 1990-04-30 | 1992-06-16 | Luwa Corporation | Method and appparatus for monitoring and controlling thermoplastic extruder output |
DE4111217C1 (it) * | 1991-04-07 | 1992-07-02 | Paul Troester Maschinenfabrik, 3000 Hannover, De | |
US5378415A (en) * | 1991-04-07 | 1995-01-03 | Paul Troester Maschinenfabrik | Process for the production of homogeneous rubber blanks |
US5433593A (en) * | 1994-06-02 | 1995-07-18 | Lci Corporation | Gear pump mounting assembly for thermoplastic extrusion line |
US5677517A (en) * | 1994-12-29 | 1997-10-14 | Lci Corporation International | Gravimetric weighing hopper |
TW309619B (it) * | 1995-08-15 | 1997-07-01 | Mourns Multifuse Hong Kong Ltd | |
DE19936827A1 (de) * | 1999-08-05 | 2001-03-08 | Hosokawa Bepex Gmbh | Vorrichtung zum Extrudieren plastischer Massen |
US7430837B2 (en) * | 2003-08-14 | 2008-10-07 | Bfs Diversified Products, Llc. | Membrane with mechanical securement attached |
US7350423B2 (en) * | 2004-01-14 | 2008-04-01 | International Business Machines Corporation | Real time usage monitor and method for detecting entrapped air |
DE102007045533A1 (de) * | 2007-09-24 | 2009-04-02 | Vmi-Az Extrusion Gmbh | Komponentenmischmaschine |
US8579494B2 (en) | 2008-08-22 | 2013-11-12 | Sara Lee Tm Holdings, Llc | System and method for dough extrusion |
US10046501B2 (en) * | 2013-03-13 | 2018-08-14 | Chevron Phillips Chemical Company Lp | System and method for polymer extrusion |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148231A (en) * | 1961-03-20 | 1964-09-08 | Eastman Kodak Co | Plastic extrusion, apparatus and control |
GB1139212A (en) * | 1964-12-04 | 1969-01-08 | Henry Hobhouse | Improvements in screw-type extruding machines |
DE1579002B1 (de) * | 1965-11-11 | 1970-09-03 | Vickers Zimmer Ag | Beheizbare Strangpresse |
GB1315661A (en) * | 1969-06-18 | 1973-05-02 | British Insulated Callenders | Plastics extrusion process and apparatus |
US3687288A (en) * | 1970-09-03 | 1972-08-29 | Marco Dev Co Inc | Separator and method |
DE2051568A1 (en) * | 1970-10-21 | 1972-04-27 | Basf Ag | Molten plastic extrusion - with pressure - controlled recycle system |
AU466878B2 (en) * | 1970-11-20 | 1973-05-24 | Xjsm Corporation | Continuous mixer internal pressure control |
BE788327A (fr) * | 1971-09-02 | 1973-01-02 | Wittrock Ludwig | Procede et dispositif pour l'obtention de matieres premieres thermoplastiques ou produits analogues |
DD101329A1 (it) * | 1972-07-26 | 1973-11-12 | ||
SU548666A1 (ru) * | 1973-03-07 | 1977-02-28 | Калининский Ордена Трудового Красного Знамени Политехнический Институт | Устройство дл стабилизации давлени в расплавопроводе пр дильной машины |
DE2408936A1 (de) * | 1974-02-25 | 1975-09-11 | Ludwig Wittrock | Vorrichtung zur verformung von thermoplastrohstoffen und aehnlichen massen mittels rotierender mastifizierwerkzeuge z.b. schnecken oder walzen |
DE2426714C3 (de) * | 1974-06-01 | 1978-12-14 | Dynamit Nobel Ag, 5210 Toisdorf | Verfahren zum Zuführen der Ausgangsmaterialien in eine Schneckenpresse zum Herstellen einer Folienbahn |
DE2700003A1 (de) * | 1977-01-03 | 1978-07-06 | Reifenhaeuser Kg | Anlage zur herstellung von strangpressprofilen |
US4209476A (en) * | 1977-05-27 | 1980-06-24 | Harrel, Incorporated | Method and apparatus for fabrication of extruded articles |
-
1979
- 1979-04-05 JP JP54041694A patent/JPS5947980B2/ja not_active Expired
-
1980
- 1980-03-31 AU AU56996/80A patent/AU540062B2/en not_active Ceased
- 1980-04-01 CA CA000348944A patent/CA1147922A/en not_active Expired
- 1980-04-01 IT IT21116/80A patent/IT1140807B/it active
- 1980-04-03 GB GB8011208A patent/GB2048759B/en not_active Expired
- 1980-04-03 DE DE19803013184 patent/DE3013184A1/de not_active Ceased
- 1980-04-04 FR FR8007740A patent/FR2453014A1/fr active Granted
-
1982
- 1982-05-07 US US06/376,042 patent/US4478775A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2048759B (en) | 1983-02-23 |
CA1147922A (en) | 1983-06-14 |
IT8021116A0 (it) | 1980-04-01 |
US4478775A (en) | 1984-10-23 |
JPS55133943A (en) | 1980-10-18 |
AU5699680A (en) | 1980-10-09 |
FR2453014B1 (it) | 1984-05-25 |
AU540062B2 (en) | 1984-11-01 |
GB2048759A (en) | 1980-12-17 |
JPS5947980B2 (ja) | 1984-11-22 |
FR2453014A1 (fr) | 1980-10-31 |
DE3013184A1 (de) | 1980-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970429 |