IT1180831B - Elemento riscaldatore a funzionamento elettrico con un canale di passaggio per materia plastica fusa - Google Patents

Elemento riscaldatore a funzionamento elettrico con un canale di passaggio per materia plastica fusa

Info

Publication number
IT1180831B
IT1180831B IT12612/84A IT1261284A IT1180831B IT 1180831 B IT1180831 B IT 1180831B IT 12612/84 A IT12612/84 A IT 12612/84A IT 1261284 A IT1261284 A IT 1261284A IT 1180831 B IT1180831 B IT 1180831B
Authority
IT
Italy
Prior art keywords
channel
plastic material
electrically operated
melted plastic
operated heater
Prior art date
Application number
IT12612/84A
Other languages
English (en)
Other versions
IT8412612A0 (it
Inventor
Walter Muller
Original Assignee
Ewikon Entwicklung Konstr
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 Ewikon Entwicklung Konstr filed Critical Ewikon Entwicklung Konstr
Publication of IT8412612A0 publication Critical patent/IT8412612A0/it
Application granted granted Critical
Publication of IT1180831B publication Critical patent/IT1180831B/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
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2737—Heating or cooling means 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
    • B29C48/78—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
    • 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
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2737—Heating or cooling means therefor
    • B29C2045/2743—Electrical heating element constructions
    • B29C2045/2748—Insulating layers covering the electrical heating element
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Resistance Heating (AREA)
IT12612/84A 1983-09-29 1984-09-26 Elemento riscaldatore a funzionamento elettrico con un canale di passaggio per materia plastica fusa IT1180831B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833335279 DE3335279A1 (de) 1983-09-29 1983-09-29 Elektrisch betriebenes heizelement mit einem stroemungskanal fuer eine kunststoffschmelze

Publications (2)

Publication Number Publication Date
IT8412612A0 IT8412612A0 (it) 1984-09-26
IT1180831B true IT1180831B (it) 1987-09-23

Family

ID=6210393

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12612/84A IT1180831B (it) 1983-09-29 1984-09-26 Elemento riscaldatore a funzionamento elettrico con un canale di passaggio per materia plastica fusa

Country Status (9)

Country Link
US (1) US4580037A (it)
JP (1) JPS60105517A (it)
CA (1) CA1241515A (it)
CH (1) CH665740A5 (it)
DE (1) DE3335279A1 (it)
ES (1) ES281644Y (it)
FR (1) FR2552706B1 (it)
GB (1) GB2147778B (it)
IT (1) IT1180831B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3417220A1 (de) * 1984-05-10 1986-01-09 EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford Elektrisch beheizbare, am ende eines heisskanals angeordnete angussduese
DE3423255A1 (de) * 1984-06-23 1986-01-09 EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford Duese fuer eine kunststoffspritzgiessmaschine oder kunststoffspritzgiessform mit beheizbarer angussduese
US4648833A (en) * 1985-10-17 1987-03-10 Fujio Yamada Hot nozzle for runnerless mold
US4717521A (en) * 1986-03-21 1988-01-05 Intelitec Corporation Thermal gate for plastic molding apparatus and method of using it
DE3704700A1 (de) * 1987-02-14 1988-08-25 Bodenseewerk Geraetetech Beheizbare membranpumpe fuer gase
DE3935667A1 (de) * 1989-10-26 1991-05-02 Ewikon Heizkanalsysteme Gmbh & Elektrisch aufheizbare duese fuer eine spritzgiessmaschine, eine heisskanaleinrichtung o.dgl.
US4973105A (en) * 1989-10-31 1990-11-27 Tachi-S Co., Ltd. Structure of vehicle seat with height adjuster
US5524792A (en) * 1992-07-08 1996-06-11 Murata Manufacturing Co., Ltd. Cup vendor delivery nozzle
US5993190A (en) * 1998-02-24 1999-11-30 Illinois Tool Works Inc. Injection molding system with improved pressure bushing
DE19936584B4 (de) * 1999-08-03 2007-09-27 EWIKON Heißkanalsysteme GmbH & Co. KG Elektrisch betriebenes Heizelement
US6238204B1 (en) 1999-09-01 2001-05-29 Illinois Tool Works Inc. Injection molding system with pressure bushing locating ring

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB395709A (en) * 1931-09-12 1933-07-12 Robert Arthur Carleton Improvements in or relating to electric fluid heating apparatus
GB634643A (en) * 1945-06-02 1950-03-22 Igranic Electric Co Ltd An improved method of and apparatus for heating granular moulding material
US3091812A (en) * 1958-09-05 1963-06-04 Henry J Witkowski Hot runner mold
GB876362A (en) * 1959-03-02 1961-08-30 Gen Electric Co Ltd Improvements in or relating to electric heating means
US3129314A (en) * 1960-08-01 1964-04-14 Babcock & Wilcox Co Electric heater
US3520026A (en) * 1968-02-12 1970-07-14 Phillips Petroleum Co Runner system having resistance heated components
NL6918891A (it) * 1969-12-17 1971-06-21
CA1097472A (en) * 1976-07-16 1981-03-17 Walter R. Crandell Electrically heated nozzle and method of making the same
DE2824971C2 (de) * 1978-06-07 1982-10-28 EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford Düse für eine Kunststoffspritzgießmaschine oder Kunststoffspritzgießform mit beheizbarer Angußdüse
GB2044162B (en) * 1978-12-14 1982-10-13 Gellert Jobst U Sprue bushing for an injection moulding apparatus
US4238671A (en) * 1979-05-08 1980-12-09 Gellert Jobst U Sprue bushing with cast in heater element
JPS55161626A (en) * 1979-06-02 1980-12-16 Shoji Hane Hot nozzle containing thin film resistor heater
CA1136814A (en) * 1980-07-15 1982-12-07 Jobst U. Gellert Hot tip seal
US4370115A (en) * 1980-07-28 1983-01-25 Takashi Miura Injection molding method and device
DE3046471A1 (de) * 1980-12-10 1982-07-22 Bernhard 7410 Reutlingen Dangelmaier Duesenkern zum einbau in einen duesenkoerper von heisskanalspritzduesen fuer eine kunststoffspritzgiessvorrichtung
DE3301272A1 (de) * 1983-01-17 1984-07-19 Walter Fr. 3004 Isernhagen Davidsmeyer Vorrichtung zum zufuehren von thermoplasten zu einem formwerkzeug

Also Published As

Publication number Publication date
GB2147778A (en) 1985-05-15
FR2552706B1 (fr) 1988-08-19
FR2552706A1 (fr) 1985-04-05
CA1241515A (en) 1988-09-06
IT8412612A0 (it) 1984-09-26
ES281644Y (es) 1986-04-01
GB2147778B (en) 1987-01-21
US4580037A (en) 1986-04-01
DE3335279C2 (it) 1993-07-22
JPS60105517A (ja) 1985-06-11
GB8424093D0 (en) 1984-10-31
ES281644U (es) 1985-07-01
CH665740A5 (de) 1988-05-31
DE3335279A1 (de) 1985-04-18

Similar Documents

Publication Publication Date Title
ES257727Y (es) Un elemento de fijacion de plastico de una sola pieza
AT375867B (de) Vorrichtung zum aufbereiten von thermoplastischem kunststoffgut
IT1145151B (it) Dispositivo per l alimentazione di un materiale in nastro particolarmente per macchine da stampa
NO174661C (no) Installasjon for utmating av et plastmateriale
IT1177535B (it) Dispositivo per incollare pezzi di materiale tessile piani
IT1138315B (it) Materiale per stampaggio
IT1180831B (it) Elemento riscaldatore a funzionamento elettrico con un canale di passaggio per materia plastica fusa
IT1177220B (it) Elemento riscaldante elettrico a cartuccia
BR8201536A (pt) Dispositivo de sopro de corpos ocos de material plastico
IT1180833B (it) Dispositivo a canale caldo per la alimentazione di materia plastica fusa ad uno stampo ad iniezione
IT8367322A0 (it) Elemento plastico di inserto per stampo contenente un inserto metallico
BR8401178A (pt) Elemento plastico moldado a sopro
GB8318062D0 (en) Plastics material structure
JPS5785845A (en) Thermoplastic forming material
IT8167058A0 (it) Dispositivo per l alimentazione di un materiale d imballaggio a forma di nastro
DK66084D0 (da) Fremgangsmade til fremstilling af fodermateriale
JPS57130301A (en) Conductive thermoplastic material
IT1131330B (it) Dispositivo per spegnere un materiale sfuso riscaldato
IT1180830B (it) Elemento riscaldatore a funzionamento elettrico per dispositivi d iniezione a canale caldo
JPS5785841A (en) Thermoplastic forming material
GB2089597B (en) Drive arrangements for machines working plastic state materials
DK152032C (da) Broskraber for direkte materialefoedning
FI821459L (fi) Basiskt eldfast material och dess komponenter
JPS56108462A (en) Surface edge material for closed adhering type building
IT1167135B (it) Dispositivo di cordatura per la produzione di materiale a lunga tiratura

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950925