DE29923291U1 - Tubular heating element - Google Patents

Tubular heating element

Info

Publication number
DE29923291U1
DE29923291U1 DE29923291U DE29923291U DE29923291U1 DE 29923291 U1 DE29923291 U1 DE 29923291U1 DE 29923291 U DE29923291 U DE 29923291U DE 29923291 U DE29923291 U DE 29923291U DE 29923291 U1 DE29923291 U1 DE 29923291U1
Authority
DE
Germany
Prior art keywords
heating element
jacket
tubular
element according
receiving groove
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 - Lifetime
Application number
DE29923291U
Other languages
German (de)
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
Priority to DE29923291U priority Critical patent/DE29923291U1/en
Publication of DE29923291U1 publication Critical patent/DE29923291U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/38—Heating or cooling
    • 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
    • B29C45/72—Heating or cooling
    • B29C45/74—Heating or cooling of the injection unit
    • 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
    • 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
    • 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
    • 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

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (9)

1. Rohrartiges elektrisches Heizelement zur Beheizung von zylindrischen oder rohrförmigen Gegenständen, insbesondere Düsen von Gieß- oder Spritzvorrichtungen für Kunststoff oder Metall, dadurch gekennzeichnet, daß das Heizelement (1) aus einem zu einer Rohrform gebogenen Mantelblech (2) oder aus mehreren gekrümmten Mantelteilblechen, die zu einem rohrförmigen Mantelblech verbindbar sind, besteht, das eine beliebig geformte, insbesondere mäanderartig geformte, Aufnahmenut (3) aufweist, daß in die Aufnahmenut (3) ein rohrförmiger, biegbarer, elektrischer Heizkörper (4) mit einem Mantel, im Mantel isoliert angeordneten Heizleiter und Isolierstofffüllung eingelegt oder eingepreßt ist, wobei das Anschlußende oder die Anschlußenden (5, 6) des Körpers (4) vorzugsweise axial von einer oder an beiden Randkanten des Mantelbleches (2) abgehen, und daß vorzugsweise ein Verschlußmittel (7) vorgesehen ist, mittels dessen das rohrförmige Mantelblech (2) arretierbar oder auf einen zu beheizenden Gegenstand spannbar ist.1. A tubular electrical heating element for heating cylindrical or tubular objects, in particular nozzles of casting or spraying devices for plastic or metal, characterized in that the heating element ( 1 ) consists of a jacket sheet ( 2 ) bent into a tubular shape or of several curved jacket partial sheets, which can be connected to a tubular jacket sheet, which has an arbitrarily shaped, in particular meandering shaped, receiving groove ( 3 ) that in the receiving groove ( 3 ) a tubular, bendable, electrical heating element ( 4 ) with a jacket, insulated in the jacket The heating conductor and insulating material filling is inserted or pressed in, the connecting end or the connecting ends ( 5 , 6 ) of the body ( 4 ) preferably extending axially from one or both edge edges of the jacket plate ( 2 ), and preferably a closure means ( 7 ) is provided, by means of which the tubular jacket sheet ( 2 ) is locked or can be clamped onto an object to be heated. 2. Heizelement nach Anspruch 1, dadurch gekennzeichnet, daß das Mantelblech (2) eine größere Dicke aufweist als dem Durchmesser oder Querschnitt des Heizkörpers (4) entspricht.2. Heating element according to claim 1, characterized in that the jacket plate ( 2 ) has a greater thickness than the diameter or cross section of the radiator ( 4 ) corresponds. 3. Heizelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Heizkörper (4) derart in die Aufnahmenut (3) eingebracht ist, daß ein Teil seines Mantels aus der Nut vorragt.3. Heating element according to claim 1 or 2, characterized in that the heating element ( 4 ) is introduced into the receiving groove ( 3 ) in such a way that a part of its jacket protrudes from the groove. 4. Heizelement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Aufnahmenut (3) im Querschnitt schwalbenschwanzartig geformt und der Heizkörper (4) in die Nut eingepreßt ist.4. Heating element according to one of claims 1 to 3, characterized in that the receiving groove ( 3 ) is shaped like a dovetail in cross section and the heating element ( 4 ) is pressed into the groove. 5. Heizelement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Mantelblech (2) aus gut wärme­ leitendem Metall besteht.5. Heating element according to one of claims 1 to 4, characterized in that the jacket plate ( 2 ) consists of heat-conducting metal. 6. Heizelement nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Aufnahmenut (3) im Inneren des rohrförmigen Mantelblechs (2) hin offen ist.6. Heating element according to one of claims 1 to 5, characterized in that the receiving groove ( 3 ) in the interior of the tubular jacket plate ( 2 ) is open. 7. Heizelement nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Verschlußmittel (7) ein um das rohrförmige Mantelblech (2) gelegtes Spannband oder ein am Mantelblech (2) angebrachter, die Stoßstelle überbrückender Spannverschluß ist.7. Heating element according to one of claims 1 to 6, characterized in that the closure means ( 7 ) is a around the tubular jacket plate ( 2 ) placed tension band or attached to the jacket plate ( 2 ), the joint bridging the tension lock. 8. Heizelement nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Mantelteilbleche scharnierartig miteinander verbunden sind.8. Heating element according to one of claims 1 to 7, characterized characterized in that the cladding sheets are hinged together. 9. Heizelement nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß jedes Mantelteilblech einen separaten, in dessen Aufnahmenut eingebrachten Heizkörper aufweist.9. Heating element according to one of claims 1 to 8, characterized characterized in that each jacket partial sheet separate, inserted in its groove Has radiators.
DE29923291U 1999-05-06 1999-05-06 Tubular heating element Expired - Lifetime DE29923291U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29923291U DE29923291U1 (en) 1999-05-06 1999-05-06 Tubular heating element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29923291U DE29923291U1 (en) 1999-05-06 1999-05-06 Tubular heating element
DE19920825 1999-05-06

Publications (1)

Publication Number Publication Date
DE29923291U1 true DE29923291U1 (en) 2000-08-10

Family

ID=26053246

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29923291U Expired - Lifetime DE29923291U1 (en) 1999-05-06 1999-05-06 Tubular heating element

Country Status (1)

Country Link
DE (1) DE29923291U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224034B4 (en) * 2001-06-06 2005-06-30 Türk & Hillinger GmbH Electric heater for cylindrical bodies
CN108882413A (en) * 2018-08-23 2018-11-23 镇江裕太防爆电加热器有限公司 The electric heating pipe connecting structure of combined type high voltage heater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224034B4 (en) * 2001-06-06 2005-06-30 Türk & Hillinger GmbH Electric heater for cylindrical bodies
CN108882413A (en) * 2018-08-23 2018-11-23 镇江裕太防爆电加热器有限公司 The electric heating pipe connecting structure of combined type high voltage heater
CN108882413B (en) * 2018-08-23 2024-01-09 镇江裕太防爆电加热器有限公司 Electrothermal tube connection structure of combined high-voltage heater

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000914

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20021009

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20050817

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20070628

R071 Expiry of right