DE3480065D1 - An electric thermal unit for controllably heating cylinders in extruders and injection presses for plastic materials, rubber drawing machines, and the like apparata, having two coaxial interspaces for circulating ventilation air therethrough - Google Patents
An electric thermal unit for controllably heating cylinders in extruders and injection presses for plastic materials, rubber drawing machines, and the like apparata, having two coaxial interspaces for circulating ventilation air therethroughInfo
- Publication number
- DE3480065D1 DE3480065D1 DE8484830075T DE3480065T DE3480065D1 DE 3480065 D1 DE3480065 D1 DE 3480065D1 DE 8484830075 T DE8484830075 T DE 8484830075T DE 3480065 T DE3480065 T DE 3480065T DE 3480065 D1 DE3480065 D1 DE 3480065D1
- Authority
- DE
- Germany
- Prior art keywords
- interspaces
- coaxial
- apparata
- extruders
- plastic materials
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/74—Heating or cooling of the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
- B29B7/726—Measuring properties of mixture, e.g. temperature or density
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/823—Temperature control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
-
- 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
- B29C48/275—Recovery or reuse of energy or materials
- B29C48/276—Recovery or reuse of energy or materials of energy
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/58—Heating hoses; Heating collars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20131/83A IT1198426B (it) | 1983-03-17 | 1983-03-17 | Gruppo elettrotermico,per il riscaldamento controllato di cilindri di estrusori e di presse ad iniezione per materie plastiche,trafilatrici per gomma ed apparecchi similari,provvisto di due intercapedini coassiali,per la circolazione di aria di ventilazione |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3480065D1 true DE3480065D1 (en) | 1989-11-16 |
Family
ID=11164057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484830075T Expired DE3480065D1 (en) | 1983-03-17 | 1984-03-16 | An electric thermal unit for controllably heating cylinders in extruders and injection presses for plastic materials, rubber drawing machines, and the like apparata, having two coaxial interspaces for circulating ventilation air therethrough |
Country Status (5)
Country | Link |
---|---|
US (1) | US4565921A (de) |
EP (1) | EP0122886B1 (de) |
AT (1) | ATE47084T1 (de) |
DE (1) | DE3480065D1 (de) |
IT (1) | IT1198426B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2593991B1 (fr) * | 1986-02-04 | 1988-06-03 | Acim Jouanin | Collier ceramique chauffant haute isolation et basse consommation |
IT1189089B (it) * | 1986-04-18 | 1988-01-28 | Gaetano Piazzola | Scambiatore di calore ad elementi modulari,particolarmente studiato per cilindri di estrusione,presse ad iniezione,trafilatrici e simili di macchine per la lavorazione di materie plastiche |
IT1191777B (it) * | 1986-05-02 | 1988-03-23 | Gaetano Piazzola | Termoregolatore particolarmente studiato per cilindri di estrusori,presse ad iniezione,trafilatrici e macchine per la lavorazione di materia plastica in genere |
US4828020A (en) * | 1986-08-15 | 1989-05-09 | Crompton & Knowles Corporation | Internal finned heater-cooler for an extruder barrel |
US4927999A (en) * | 1986-10-14 | 1990-05-22 | Georg Fischer Ag | Apparatus for fusion joining plastic pipe |
IT1220175B (it) * | 1987-10-09 | 1990-06-06 | Rica Spa | Dispositivo estrusore per materie plastiche |
DE4300595A1 (de) * | 1993-01-13 | 1994-07-14 | Fasti Farrag & Stipsits Ges M | Verfahren zum Betrieb eines Trockners für pulver-, granulatförmige und schüttfähige Stoffe und ein nach dem Verfahren arbeitender Trockner |
US5447190A (en) * | 1993-02-04 | 1995-09-05 | Nokia-Maillefer Sa | Device and method for cooling an extrusion cylinder |
EP0898139B1 (de) * | 1997-08-19 | 2003-08-27 | Grüter Elektroapparate Ag | Extruderrohr mit einem Wärmetauscher |
DE19855357C2 (de) * | 1998-12-01 | 2003-12-04 | Wema Beheizungstechnik Gmbh | Vorrichtung zum Heizen und Kühlen von Maschinenzylindern zur Kunststoffverarbeitung |
US20050085178A1 (en) * | 2003-08-26 | 2005-04-21 | Bruce Hall | System and method for preventing growth of mold or mildew in a building |
US8168927B2 (en) * | 2006-11-10 | 2012-05-01 | Nova Coil, Inc. | Apparatus, arrangement and method for supporting a helical wire coil heating element |
EP3389986A4 (de) * | 2015-12-17 | 2019-08-14 | Sasipa Inc. | Wärmeisolierende ummantelung zur ermöglichung der temperaturregelung einer erhitzten vorrichtung oder produkts |
EP4353439A1 (de) * | 2022-10-05 | 2024-04-17 | Patrizio Petrelli | Elektrische heizvorrichtung für industrielle verarbeitungsmaschinen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US988695A (en) * | 1909-08-31 | 1911-04-04 | Frank James Cook | Electrically-heated oven. |
DE516395C (de) * | 1929-02-15 | 1931-01-22 | Kueppersbusch & Soehne Akt Ges | Elektrischer Heizkoerper fuer Herde, OEfen u. dgl. |
DE654115C (de) * | 1931-07-10 | 1937-12-11 | Boehme Fettchemie Ges M B H | Verfahren zum Buntreservieren von Anilinschwarzfaerbungen mit wasserunloeslichen Azofarbstoffen |
US1855092A (en) * | 1931-07-14 | 1932-04-19 | James H Browne | Heating pad |
US2549944A (en) * | 1948-06-19 | 1951-04-24 | Leonard E Steiner | Electrical heating device |
US2541201A (en) * | 1948-08-28 | 1951-02-13 | Nat Rubber Machinery Co | Method of extrusion |
US2722597A (en) * | 1955-01-19 | 1955-11-01 | Leonard E Steiner | Articulated electric heating mat |
GB833045A (en) * | 1957-04-24 | 1960-04-21 | Electrothermal Eng Ltd | Improvements in or relating to flexible electric heaters |
FR1194970A (fr) * | 1958-04-22 | 1959-11-13 | Appareil de chauffage à résistance électrique | |
US3036187A (en) * | 1960-12-20 | 1962-05-22 | Electrothermal Eng Ltd | Flexible electric heater |
US3933200A (en) * | 1974-06-21 | 1976-01-20 | Emerson Electric Co. | Temperature conditioning means |
US3887790A (en) * | 1974-10-07 | 1975-06-03 | Vernon H Ferguson | Wrap-around electric resistance heater |
DE2938099A1 (de) * | 1978-09-29 | 1980-04-10 | Fisher Joseph | Flexibles heizelement |
IT8223452V0 (it) * | 1982-11-12 | 1982-11-12 | Piazzola Gaetano | Gruppo di riscaldamento elettrico a resistenza, con resistenze annegate in listelli di ceramica variamente connessi, particolarmente utilizzabile per estrusori di materie plastiche. |
-
1983
- 1983-03-17 IT IT20131/83A patent/IT1198426B/it active
-
1984
- 1984-03-12 US US06/588,670 patent/US4565921A/en not_active Expired - Lifetime
- 1984-03-16 EP EP84830075A patent/EP0122886B1/de not_active Expired
- 1984-03-16 AT AT84830075T patent/ATE47084T1/de active
- 1984-03-16 DE DE8484830075T patent/DE3480065D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0122886B1 (de) | 1989-10-11 |
IT1198426B (it) | 1988-12-21 |
US4565921A (en) | 1986-01-21 |
EP0122886A2 (de) | 1984-10-24 |
EP0122886A3 (en) | 1987-07-15 |
IT8320131A0 (it) | 1983-03-17 |
ATE47084T1 (de) | 1989-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |