GB536795A - Improvements in electric resistance heaters - Google Patents

Improvements in electric resistance heaters

Info

Publication number
GB536795A
GB536795A GB12097/40A GB1209740A GB536795A GB 536795 A GB536795 A GB 536795A GB 12097/40 A GB12097/40 A GB 12097/40A GB 1209740 A GB1209740 A GB 1209740A GB 536795 A GB536795 A GB 536795A
Authority
GB
United Kingdom
Prior art keywords
lime
per cent
silica
magnesium oxide
content
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
GB12097/40A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB536795A publication Critical patent/GB536795A/en
Expired 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
    • 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
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/16—Rigid-tube cables

Landscapes

  • Resistance Heating (AREA)
GB12097/40A 1939-07-29 1940-07-24 Improvements in electric resistance heaters Expired GB536795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US287334A US2285952A (en) 1939-07-29 1939-07-29 Electric heater insulating material

Publications (1)

Publication Number Publication Date
GB536795A true GB536795A (en) 1941-05-27

Family

ID=23102443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12097/40A Expired GB536795A (en) 1939-07-29 1940-07-24 Improvements in electric resistance heaters

Country Status (4)

Country Link
US (1) US2285952A (en:Method)
BE (1) BE441872A (en:Method)
FR (1) FR867202A (en:Method)
GB (1) GB536795A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL258356A (en:Method) * 1959-12-07 1900-01-01
DE1921789C3 (de) * 1969-04-29 1975-02-20 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Rohrfüllungen für elektrische Heizkörper
JPS526498B2 (en:Method) * 1972-06-21 1977-02-22
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

Also Published As

Publication number Publication date
US2285952A (en) 1942-06-09
BE441872A (en:Method)
FR867202A (fr) 1941-10-07

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