IT1061658B - Procedimento per la produzione di riempitivi isolanti a base di ossido di magnesio fuso per elementi di riscaldamento elettrico di tubi - Google Patents

Procedimento per la produzione di riempitivi isolanti a base di ossido di magnesio fuso per elementi di riscaldamento elettrico di tubi

Info

Publication number
IT1061658B
IT1061658B IT49807/76A IT4980776A IT1061658B IT 1061658 B IT1061658 B IT 1061658B IT 49807/76 A IT49807/76 A IT 49807/76A IT 4980776 A IT4980776 A IT 4980776A IT 1061658 B IT1061658 B IT 1061658B
Authority
IT
Italy
Prior art keywords
procedure
production
magnesium oxide
heating elements
oxide insulating
Prior art date
Application number
IT49807/76A
Other languages
English (en)
Inventor
Gerd Edzard Bockstiegel
Manfred Neidhardt
Gerhard Rehfeld
Original Assignee
Dynamit Nobel Ag
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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Application granted granted Critical
Publication of IT1061658B publication Critical patent/IT1061658B/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
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Resistance Heating (AREA)
  • Inorganic Insulating Materials (AREA)
  • Non-Adjustable Resistors (AREA)
  • Lubricants (AREA)
IT49807/76A 1975-06-07 1976-06-04 Procedimento per la produzione di riempitivi isolanti a base di ossido di magnesio fuso per elementi di riscaldamento elettrico di tubi IT1061658B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2525441A DE2525441C3 (de) 1975-06-07 1975-06-07 Elektrisch isolierende Füllung für einen elektrischen Rohrheizkörper

Publications (1)

Publication Number Publication Date
IT1061658B true IT1061658B (it) 1983-04-30

Family

ID=5948526

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49807/76A IT1061658B (it) 1975-06-07 1976-06-04 Procedimento per la produzione di riempitivi isolanti a base di ossido di magnesio fuso per elementi di riscaldamento elettrico di tubi

Country Status (11)

Country Link
US (1) US4048119A (it)
JP (1) JPS51150094A (it)
AT (1) AT373117B (it)
CA (1) CA1093295A (it)
DE (1) DE2525441C3 (it)
ES (1) ES448610A1 (it)
FR (1) FR2313836A1 (it)
GB (1) GB1493238A (it)
IT (1) IT1061658B (it)
SU (1) SU676195A3 (it)
YU (1) YU39767B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2525441C3 (de) 1975-06-07 1981-04-16 Dynamit Nobel Ag, 5210 Troisdorf Elektrisch isolierende Füllung für einen elektrischen Rohrheizkörper
JPS5715393A (en) * 1980-06-30 1982-01-26 Matsushita Electric Ind Co Ltd Sheathed heater
JPS5725689A (en) * 1980-07-22 1982-02-10 Nippon Dennetsu Kk Method of producing insulating powder for heater
JPS59175585A (ja) * 1983-03-26 1984-10-04 タテホ化学工業株式会社 高温用シ−ズヒ−タの電気絶縁充填材料
JPS59215690A (ja) * 1983-05-20 1984-12-05 タテホ化学工業株式会社 高温用シ−ズヒ−タの電気絶縁充填材料
DE3438413A1 (de) * 1984-10-19 1986-04-24 Elpag Ag Chur, Chur Rohrheizkoerper
DE3440006A1 (de) * 1984-11-02 1986-05-07 Buderus Ag, 6330 Wetzlar Heizungskessel
JPS61214389A (ja) * 1985-03-19 1986-09-24 タテホ化学工業株式会社 シ−ズヒ−タの電気絶縁充填材料
FR2634478B1 (fr) * 1988-07-25 1992-08-28 Financ Cetal Sarl Procede de fabrication d'un barreau isolant en nitrure de bore principalement utilise dans des elements chauffants proteges, et barreau ainsi obtenu
CN101932611B (zh) * 2008-01-29 2013-03-06 朗盛德国有限责任公司 任选包含烷硫基端基并且任选氢化的丁腈橡胶

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201738A (en) * 1962-11-30 1965-08-17 Gen Electric Electrical heating element and insulation therefor
FR1402630A (fr) * 1963-08-06 1965-06-11 Jenaer Glaswerk Schott & Gen Procédé d'obtention de masses cristallines résistant à la chaleur pour glaçureset frittages et se trouvant à l'état pulvérulent
DE1220094B (de) * 1963-08-06 1966-06-30 Jenaer Glaswerk Schott & Gen Verwendung von Glaspulvermischungen bei der Herstellung kristalliner, hitzebestaendiger UEberzugs- und Verschmelzmassen
US3355802A (en) * 1966-01-03 1967-12-05 Gen Electric Method of making electrical heating elements
FR1535804A (fr) * 1966-07-22 1968-08-09 Corning Glass Works Perfectionnements apportés aux procédés de fabrication d'articles en verre-céramique, et articles obtenus
US3583919A (en) * 1968-02-01 1971-06-08 Gen Electric Electrical insulating refractory composition of fused magnesium oxide and silica or alkali metal silicates
US3592771A (en) * 1968-02-01 1971-07-13 Gen Electric Tubular heating elements and magnesia insulation therefor and method of production
US3477058A (en) * 1968-02-01 1969-11-04 Gen Electric Magnesia insulated heating elements and methods of production
US3622755A (en) * 1969-03-21 1971-11-23 Gen Electric Tubular heating elements and magnesia insulation therefor and method of production
DE1921789C3 (de) * 1969-04-29 1975-02-20 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Rohrfüllungen für elektrische Heizkörper
DE2363790C3 (de) * 1973-12-21 1981-12-17 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung einer wärmeleitenden, hochfeuerfesten, elektrisch isolierenden Einbettungsmasse für elektrische Heizkörper
DE2525441C3 (de) 1975-06-07 1981-04-16 Dynamit Nobel Ag, 5210 Troisdorf Elektrisch isolierende Füllung für einen elektrischen Rohrheizkörper

Also Published As

Publication number Publication date
FR2313836B1 (it) 1981-12-31
GB1493238A (en) 1977-11-30
ES448610A1 (es) 1977-07-01
FR2313836A1 (fr) 1976-12-31
DE2525441B2 (de) 1980-06-26
YU39767B (en) 1985-04-30
US4048119A (en) 1977-09-13
JPS51150094A (en) 1976-12-23
SU676195A3 (ru) 1979-07-25
DE2525441C3 (de) 1981-04-16
JPS6132790B2 (it) 1986-07-29
DE2525441A1 (de) 1976-12-16
YU112576A (en) 1982-06-30
CA1093295A (en) 1981-01-13
ATA413076A (de) 1983-04-15
AT373117B (de) 1983-12-27

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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: 19930623