JPS6333447B2 - - Google Patents

Info

Publication number
JPS6333447B2
JPS6333447B2 JP54158273A JP15827379A JPS6333447B2 JP S6333447 B2 JPS6333447 B2 JP S6333447B2 JP 54158273 A JP54158273 A JP 54158273A JP 15827379 A JP15827379 A JP 15827379A JP S6333447 B2 JPS6333447 B2 JP S6333447B2
Authority
JP
Japan
Prior art keywords
heating element
inner core
sprue bushing
core portion
sprue
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
Application number
JP54158273A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56123844A (en
Inventor
Ururitsuhi Geraato Jobusuto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS56123844A publication Critical patent/JPS56123844A/ja
Publication of JPS6333447B2 publication Critical patent/JPS6333447B2/ja
Granted legal-status Critical Current

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
    • 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
    • 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)
JP15827379A 1978-12-14 1979-12-07 Sprue push Granted JPS56123844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA317,948A CA1097871A (en) 1978-12-14 1978-12-14 Sprue bushing with cast in heater element

Publications (2)

Publication Number Publication Date
JPS56123844A JPS56123844A (en) 1981-09-29
JPS6333447B2 true JPS6333447B2 (show.php) 1988-07-05

Family

ID=4113139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15827379A Granted JPS56123844A (en) 1978-12-14 1979-12-07 Sprue push

Country Status (2)

Country Link
JP (1) JPS56123844A (show.php)
CA (1) CA1097871A (show.php)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301272A1 (de) * 1983-01-17 1984-07-19 Walter Fr. 3004 Isernhagen Davidsmeyer Vorrichtung zum zufuehren von thermoplasten zu einem formwerkzeug
CA1230458A (en) * 1984-07-13 1987-12-22 Gellert, Jobst Ulrich Injection molding heated nozzle with brazed in heating element and method of manufacture
CA1264009A (en) * 1987-03-20 1989-12-27 Jobst Ulrich Gellert Injection molding nozzle and method
CA1261576A (en) * 1988-04-13 1989-09-26 Jobst U. Gellert Injection molding nozzle having multiple thickness heating element and method of manufacture
CA1280268C (en) * 1988-09-30 1991-02-19 Jobst Ulrich Gellert Injection molding nozzle having nose portion with heating element encircling the bore and method
KR20020091035A (ko) * 2002-11-19 2002-12-05 이석평 이동식 대차의 발포금형 열공급장치
CN104476731B (zh) * 2014-12-09 2017-05-17 宜宾恒旭投资集团有限公司 一种热流道热嘴

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237651Y2 (show.php) * 1972-01-14 1977-08-26

Also Published As

Publication number Publication date
JPS56123844A (en) 1981-09-29
CA1097871A (en) 1981-03-24

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