EP1037507A2 - Procédé de fabrication d'éléments électriques chauffants dans un moule à injection - Google Patents

Procédé de fabrication d'éléments électriques chauffants dans un moule à injection Download PDF

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Publication number
EP1037507A2
EP1037507A2 EP99116965A EP99116965A EP1037507A2 EP 1037507 A2 EP1037507 A2 EP 1037507A2 EP 99116965 A EP99116965 A EP 99116965A EP 99116965 A EP99116965 A EP 99116965A EP 1037507 A2 EP1037507 A2 EP 1037507A2
Authority
EP
European Patent Office
Prior art keywords
contour
ring zones
jacket tube
heating
radiator
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.)
Withdrawn
Application number
EP99116965A
Other languages
German (de)
English (en)
Other versions
EP1037507A3 (fr
Inventor
Eugen Schwarzkopf
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.)
Hotset Heizpatronen und Zubehoer GmbH
Original Assignee
Hotset Heizpatronen und Zubehoer GmbH
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 Hotset Heizpatronen und Zubehoer GmbH filed Critical Hotset Heizpatronen und Zubehoer GmbH
Publication of EP1037507A2 publication Critical patent/EP1037507A2/fr
Publication of EP1037507A3 publication Critical patent/EP1037507A3/fr
Withdrawn legal-status Critical Current

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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
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • 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
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49083—Heater type

Definitions

  • the invention relates to a method for manufacturing of electric radiators from Injection molds, in the form of a heating cartridge or a tubular heater consisting of a metallic jacket tube, heating conductors and Insulating compound, in a first step the heating conductors in insulating material in the jacket tube be embedded.
  • a heating cartridge or a tubular heater consisting of a metallic jacket tube, heating conductors and Insulating compound, in a first step the heating conductors in insulating material in the jacket tube be embedded.
  • the object of a method for Production of a radiator of the generic type create, in which the production is simplified and an even, high compression over the entire cross section is created.
  • the casing tube compacted by means of a rolling or rolling process and is simultaneously contoured.
  • the Provide the casing tube with an annular corrugated shape becomes.
  • the Jacket tube is provided with a thread contour.
  • the Jacketed pipe with a thread contour in a corrugated shape is trained.
  • an electric radiator generic type are produced, which in Avoids known disadvantages of also an inexpensive production at high Quality and thus long life.
  • the method according to the invention is as follows explained using a schematic drawing.
  • electric radiators are on the axial End areas of the cylindrical Radiator connector pins 1 provided to which Heating conductor 2 are connected, which are inside the Radiators are arranged.
  • the cavity of the Radiator is with insulating material 3, for example Magnesium oxide filled.
  • Axial can be a seal by means of ceramic insulators 6 and fastening nut 7 take place on the thread formation of the Pin 1 is screwed on.
  • the cladding material can, for example, be nickel or also preferably be stainless steel.
  • Stainless steel is under preferred also because another Embrittlement in a bending area causing the fracture of the Radiator could result when using Stainless steel does not occur as a material.
  • the radiator 1 and 2 After installing and filling the radiator and if necessary after sealing (for example at 4 in Figure 2) the radiator 1 and 2 by means of a rolling tool compacted by rolling and simultaneously into the Contour 5 deformed, as in particular in the Sectional view in Figure 1 can be seen. It is a so-called Ring wave shape contour, with the larger rings larger Diameter over narrow rings smaller Diameter are interconnected. The narrow ones Rings are opposite in terms of their wall thickness the wide ring elements reduced.
  • This Training becomes a particularly good manual Malleability (bending of the radiator around its Central longitudinal axis) allows, but still a uniform all-round compression of the insulating material 3 he follows.
  • the cross-sectional shape of the radiators can be round, as indicated in Figure 5, or square, as indicated in Figure 6.
  • FIGS. 7 and 8 A further embodiment is shown in FIGS. 7 and 8, in which the casing tube with a thread contour in Ring wave shape is formed.
  • the training is similar in principle of the training of Figures 1 and 2, wherein only the individual elements not circulating, in are closed rings, but the broad ones Rings and the narrow rings are in the form of revolving thread-like spirals shaped.
  • the narrow channels make it a good one Bendability around the central longitudinal axis of the radiator achieved and still a uniform compression the insulating compound 3 ensured.
  • the radiators are deformed after Filling and installing the individual elements for example by a rolling or pressing process or also by a process of the type of Thread rolling.
  • the ring contour or Helix contour generated, with a reduction in Diameter of up to 15% is effected.
  • the radiators designed according to the invention are relatively easy to manufacture and despite being more uniform Compression can be bent manually.
  • the invention is not limited to the exemplary embodiments limited, but within the scope of the revelation often variable.

Landscapes

  • Resistance Heating (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP99116965A 1999-03-18 1999-08-27 Procédé de fabrication d'éléments électriques chauffants dans un moule à injection Withdrawn EP1037507A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19912084 1999-03-18
DE19912084A DE19912084A1 (de) 1999-03-18 1999-03-18 Verfahren zur Herstellung von elektrischen Heizkörpern von Spritzgießwerkzeugen

Publications (2)

Publication Number Publication Date
EP1037507A2 true EP1037507A2 (fr) 2000-09-20
EP1037507A3 EP1037507A3 (fr) 2002-05-29

Family

ID=7901423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116965A Withdrawn EP1037507A3 (fr) 1999-03-18 1999-08-27 Procédé de fabrication d'éléments électriques chauffants dans un moule à injection

Country Status (6)

Country Link
US (1) US6408503B1 (fr)
EP (1) EP1037507A3 (fr)
JP (1) JP2001009885A (fr)
CA (1) CA2300793C (fr)
DE (1) DE19912084A1 (fr)
TW (1) TW446598B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060289474A1 (en) * 2003-12-23 2006-12-28 Johnson J E Tubular heater and method of manufacture
US7064303B2 (en) * 2003-12-23 2006-06-20 Thermetic Products, Inc. Tubular heater and method of manufacture
DE202006010956U1 (de) 2006-07-05 2006-09-28 Gc-Heat Gebhard & Castiglia Gmbh & Co. Kg Elektrischer Heizkörper zur Beheizung von Fluiden
CN105115048A (zh) * 2015-07-07 2015-12-02 芜湖华族实业有限公司 一种具备甲醛处理功能的电加热器
USD906383S1 (en) * 2018-08-17 2020-12-29 Hotset Gmbh Electrical heater for injection-molding machine
EP3993562B1 (fr) * 2020-10-30 2025-08-27 Eichenauer Heizelemente GmbH & Co. KG Cartouche chauffante comportant une pâte de remplissage céramique
GB2625714B (en) * 2022-12-06 2025-09-24 Thermo Fisher Scient Bremen Gmbh A Cartridge for a Cartridge Heater
CN120680291B (zh) * 2025-06-25 2026-02-27 青岛正大合赢智能科技有限公司 一种加热管及镁棒组装设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB182782A (en) * 1921-07-06 1923-05-31 Alfred Ernest Waller Improvements relating to the welding of wires particularly for resistances
US2375058A (en) * 1941-09-05 1945-05-01 Wiegand Co Edwin L Electrical heating element and process for producing the same
US3068563A (en) * 1958-11-05 1962-12-18 Westinghouse Electric Corp Metal joining method
US3311969A (en) * 1961-11-01 1967-04-04 Gen Electric Methods of making sheathed electric heating units
US3330034A (en) * 1962-04-13 1967-07-11 Westinghouse Electric Corp Method of forming an electrical heating element
US3315334A (en) * 1964-02-11 1967-04-25 Sterling Samuel Martin Means and method for making heater elements
US3499217A (en) * 1966-08-12 1970-03-10 Okazaki Mfg Co Ltd Method of making a temperature probe
US4044225A (en) * 1975-12-15 1977-08-23 Pease James F Electrical heating element and fitting assembly
US4045653A (en) * 1976-06-28 1977-08-30 National Presto Industries, Inc. Electric cooker with press-staked heating element and method of making the same
US4112410A (en) * 1976-11-26 1978-09-05 Watlow Electric Manufacturing Company Heater and method of making same
SE9000244L (sv) * 1990-01-24 1991-07-25 Backer Elektro Vaerme Elektriskt roervaermeelement samt saett att tillverka detsamma
US5276966A (en) * 1992-09-01 1994-01-11 The Babcock & Wilcox Company Enhanced stored chemical energy powered boiler
DE4242505C2 (de) 1992-12-16 1995-07-27 Hotset Heizpatronen Zubehoer Elektrischer Heizkörper für Spritzgießwerkzeuge
US5868536A (en) * 1996-10-04 1999-02-09 Nojikawa; Terufumi Male screw and method for manufacturing same
DE19541504B4 (de) 1994-05-30 2004-12-23 Hotset Heizpatronen U. Zubehör Gmbh Elektrischer Heizkörper für Spritzgießwerkzeuge
GB2309874A (en) * 1996-02-02 1997-08-06 Emerson Electric Co Electrical heating elements

Also Published As

Publication number Publication date
DE19912084A1 (de) 2000-09-21
EP1037507A3 (fr) 2002-05-29
JP2001009885A (ja) 2001-01-16
CA2300793A1 (fr) 2000-09-18
TW446598B (en) 2001-07-21
CA2300793C (fr) 2008-07-29
US6408503B1 (en) 2002-06-25

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