DE8618067U1 - Innendüse des wärmeisolierten Punktangusses - Google Patents

Innendüse des wärmeisolierten Punktangusses

Info

Publication number
DE8618067U1
DE8618067U1 DE19868618067 DE8618067U DE8618067U1 DE 8618067 U1 DE8618067 U1 DE 8618067U1 DE 19868618067 DE19868618067 DE 19868618067 DE 8618067 U DE8618067 U DE 8618067U DE 8618067 U1 DE8618067 U1 DE 8618067U1
Authority
DE
Germany
Prior art keywords
heat
inner nozzle
point sprue
insulated point
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
DE19868618067
Other languages
English (en)
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
Priority to DE19868618067 priority Critical patent/DE8618067U1/de
Publication of DE8618067U1 publication Critical patent/DE8618067U1/de
Expired 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
    • 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
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Description

I III!«
» > I)IlI .1 ■ ■ 1 >
J S > I J «· I Ii t»
Be a chreibnng
Xnnendtise des wärmeiaolierten Punktanguasea
• Den Punktanguß einea Spritzgußwerkzeugs für Thermoplaste
I thermisch zu isolieren, iat Stand der Technik ( Siehe Artikel
I " Eine thermisch isolierte Angußbuchee " in der Zeitschrift
I Plaatverarbeiter 36, Jahrgang I985, Nr. 10, verfaßt vom Anmel-
I der )· Neu iat die Möglichkeit, eine dünnwandige Metalldüse mit
geringer Masse mit einer thermischen und elektrischen Isolier-
i schicht zu umgeben ( z,B. mit schlecht wärmeleitender Keramik )
; und diese Düse entweder als Ohm'sehen Widerstand aufzuheizen
I oder sie als Peltier-Element ausTimbilden, wobei sie während der
F aufgeheizt
|: Einspritz- und NachdrückzeitVund während der Abkühlzeit durch
I einfaches Umpolen des Gleichstroms gekühlt wird.
Wärmeisolierte PunktangußdUse
Zeichenerklärung a = Innendüse b = keramische Isolierung c = Formnest ti s± Hai. te rung e = Senkschrauben f = elektrische Zuleitung g = "Vorkammer h = Stützring i = Düsenpassung k = Halteschrauben
• · · ■ a j j

Claims (1)

  1. Sctiutzanspruch
    Die Innendüse des wärmeisolierten Punktangussea ist dadurch, gekennzeichnet, daß sie aus einem Metallblech besteht, das auf der Außenseite mit einem wärmedämmenden und elektrisch schlecht leitenden Material beschichtet ist.
DE19868618067 1986-07-05 1986-07-05 Innendüse des wärmeisolierten Punktangusses Expired DE8618067U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19868618067 DE8618067U1 (de) 1986-07-05 1986-07-05 Innendüse des wärmeisolierten Punktangusses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19868618067 DE8618067U1 (de) 1986-07-05 1986-07-05 Innendüse des wärmeisolierten Punktangusses

Publications (1)

Publication Number Publication Date
DE8618067U1 true DE8618067U1 (de) 1987-01-15

Family

ID=6796214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19868618067 Expired DE8618067U1 (de) 1986-07-05 1986-07-05 Innendüse des wärmeisolierten Punktangusses

Country Status (1)

Country Link
DE (1) DE8618067U1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0238355A2 (de) * 1986-03-21 1987-09-23 Intelitec Corporation Thermische Einspritzöffnung für Kunststoffgiessverfahren
WO1988001928A1 (fr) * 1986-09-19 1988-03-24 Wolfgang Zimmermann Culot d'injection capillaire a chauffage electrique
EP0486967A2 (de) * 1990-11-19 1992-05-27 Jobst Ulrich Gellert Spritzgiessdüse mit einem zur Bohrung angrenzenden konischen Heizelement

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0238355A2 (de) * 1986-03-21 1987-09-23 Intelitec Corporation Thermische Einspritzöffnung für Kunststoffgiessverfahren
EP0238355A3 (de) * 1986-03-21 1988-11-23 Intelitec Corporation Thermische Einspritzöffnung für Kunststoffgiessverfahren
WO1988001928A1 (fr) * 1986-09-19 1988-03-24 Wolfgang Zimmermann Culot d'injection capillaire a chauffage electrique
US4954072A (en) * 1986-09-19 1990-09-04 Wolfgang Zimmerman Electrically heated pin-point gate
EP0486967A2 (de) * 1990-11-19 1992-05-27 Jobst Ulrich Gellert Spritzgiessdüse mit einem zur Bohrung angrenzenden konischen Heizelement
EP0486967A3 (en) * 1990-11-19 1992-09-02 Jobst Ulrich Gellert Injection molding nozzle having tapered heating element adjacent the bore

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