IT1127737B - Boccola di colata con getto nell'elemento riscaldante - Google Patents

Boccola di colata con getto nell'elemento riscaldante

Info

Publication number
IT1127737B
IT1127737B IT28082/79A IT2808279A IT1127737B IT 1127737 B IT1127737 B IT 1127737B IT 28082/79 A IT28082/79 A IT 28082/79A IT 2808279 A IT2808279 A IT 2808279A IT 1127737 B IT1127737 B IT 1127737B
Authority
IT
Italy
Prior art keywords
jet
heating element
casting bush
bush
casting
Prior art date
Application number
IT28082/79A
Other languages
English (en)
Other versions
IT7928082A0 (it
Inventor
Jobst Ulrich Gellert
Original Assignee
Gellert Jobst U
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
Priority claimed from CA317,948A external-priority patent/CA1097871A/en
Priority claimed from US06/036,880 external-priority patent/US4238671A/en
Application filed by Gellert Jobst U filed Critical Gellert Jobst U
Publication of IT7928082A0 publication Critical patent/IT7928082A0/it
Application granted granted Critical
Publication of IT1127737B publication Critical patent/IT1127737B/it

Links

Classifications

    • 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
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT28082/79A 1978-12-14 1979-12-17 Boccola di colata con getto nell'elemento riscaldante IT1127737B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA317,948A CA1097871A (en) 1978-12-14 1978-12-14 Sprue bushing with cast in heater element
US06/036,880 US4238671A (en) 1979-05-08 1979-05-08 Sprue bushing with cast in heater element

Publications (2)

Publication Number Publication Date
IT7928082A0 IT7928082A0 (it) 1979-12-17
IT1127737B true IT1127737B (it) 1986-05-21

Family

ID=25668839

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28082/79A IT1127737B (it) 1978-12-14 1979-12-17 Boccola di colata con getto nell'elemento riscaldante

Country Status (8)

Country Link
CH (1) CH643774A5 (it)
DE (1) DE2948561A1 (it)
FR (1) FR2443919A1 (it)
GB (1) GB2044162B (it)
IL (1) IL58614A (it)
IT (1) IT1127737B (it)
NL (1) NL183877C (it)
PT (1) PT70591A (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1142722A (en) * 1980-10-24 1983-03-15 Jobst U. Gellert Sprue bushing and method of manufacture
CA1179813A (en) * 1981-07-15 1984-12-27 Jobst U. Gellert Sprue bushing connector assembly and method
CA1174020A (en) * 1982-01-06 1984-09-11 Jobst U. Gellert Injection molding manifold member and method of manufacture
CA1177215A (en) * 1982-03-31 1984-11-06 Jobst U. Gellert Heater installation in molding members
JPS59142124A (ja) * 1983-02-02 1984-08-15 Shigeru Tsutsumi 合成樹脂射出成形機用ホツトチツプブシング
DE3335279A1 (de) * 1983-09-29 1985-04-18 EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford Elektrisch betriebenes heizelement mit einem stroemungskanal fuer eine kunststoffschmelze
CA1230458A (en) * 1984-07-13 1987-12-22 Gellert, Jobst Ulrich Injection molding heated nozzle with brazed in heating element and method of manufacture
IT1179543B (it) * 1984-12-24 1987-09-16 Rutil Srl Stampo e ugello perfezionati in una macchina di stampaggio ad iniezione
DE3529881A1 (de) * 1985-08-21 1987-02-26 Albers August Temperierbarer angusskanal fuer kunststoff-spritzgiesswerkzeuge
DE3603500A1 (de) * 1986-02-05 1987-08-06 Kloeckner Ferromatik Desma Plastifizierzylinder fuer spritzgiessmaschinen
DE3724088A1 (de) * 1987-07-21 1989-02-02 Ewikon Entwicklung Konstr Oberflaechenheizelement fuer werkzeug- und maschinenteile
FR2629011B1 (fr) * 1988-03-22 1990-06-08 Piacentile Ets Buse perfectionnee pour moulage par injection
CA1261576A (en) * 1988-04-13 1989-09-26 Jobst U. Gellert Injection molding nozzle having multiple thickness heating element and method of manufacture
CA1266360A (en) * 1988-04-13 1990-03-06 Jobst Ulrich Gellert Injection molding elongated probe having integral heating element and locating means
US5109914A (en) * 1990-09-04 1992-05-05 Electrovert Ltd. Injection nozzle for casting metal alloys with low melting temperatures
DE4041532A1 (de) * 1990-12-22 1992-06-25 Wolff Hans Martin Heisskanal-umlenkeinrichtung fuer spritzgiesswerkzeuge
DE19611267C1 (de) * 1996-03-22 1997-07-03 Hotset Heizpatronen Zubehoer Vorrichtung an einer Warmkammermetalldruckgußmaschine
EP1101550B1 (en) * 1999-11-15 2005-01-19 Plasthing Srl Mould for injection moulding magnesium and alloys thereof
US6780003B2 (en) * 2002-08-02 2004-08-24 Mold-Masters Limited Removable heater for a hot runner nozzle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1322736A (en) * 1969-12-09 1973-07-11 Lucas Industries Ltd Apparatus for hot runner injection moulding
GB1359539A (en) * 1971-10-18 1974-07-10 Pyrotenax Ltd Electric heating device
DE2539785C3 (de) * 1975-09-06 1981-01-29 Dangelmaier Bernhard U. Co, 7410 Reutlingen Heißkanalspritzdüse
CA1097472A (en) * 1976-07-16 1981-03-17 Walter R. Crandell Electrically heated nozzle and method of making the same

Also Published As

Publication number Publication date
FR2443919A1 (fr) 1980-07-11
GB2044162A (en) 1980-10-15
CH643774A5 (de) 1984-06-29
FR2443919B1 (it) 1984-05-25
IT7928082A0 (it) 1979-12-17
NL7907655A (nl) 1980-06-17
DE2948561A1 (de) 1980-06-26
DE2948561C2 (it) 1988-12-29
IL58614A (en) 1981-10-30
GB2044162B (en) 1982-10-13
NL183877C (nl) 1989-02-16
PT70591A (en) 1980-01-01

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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: 19961230