GB1334821A - Electrical component with vitreous enamel coating - Google Patents

Electrical component with vitreous enamel coating

Info

Publication number
GB1334821A
GB1334821A GB415372A GB415372A GB1334821A GB 1334821 A GB1334821 A GB 1334821A GB 415372 A GB415372 A GB 415372A GB 415372 A GB415372 A GB 415372A GB 1334821 A GB1334821 A GB 1334821A
Authority
GB
United Kingdom
Prior art keywords
enamel
vitreous enamel
range
electrical component
enamel coating
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
GB415372A
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.)
Welwyn Electric Ltd
Original Assignee
Welwyn Electric 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 Welwyn Electric Ltd filed Critical Welwyn Electric Ltd
Publication of GB1334821A publication Critical patent/GB1334821A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
    • 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
    • H01B3/105—Wires with oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

1334821 Vitreous enamel WELWYN ELECTRIC Ltd 28 Jan 1972 [10 March 1971] 4153/72 Heading C1M A vitreous enamel substantially devoid of lead in the free or combined form comprises in weight per cent SiO 2 28-50; B 2 O 3 19-30; Na 2 O and/or K 2 O 0-11; ZnO and/or CdO 13-30; CaO and/or Al 2 O 3 4-10. Other ingredients such as Cr 2 O 3 and CoO may be included to act as pigments or adhesion improvers. The composition is such that the enamel has a fusion temperature in the range 500 to 1000‹ C. and an expansion coefficient in the range 4 to 7À5 x 10<SP>-6</SP> per ‹ C. measured over a temperature range of 100‹ to 300‹ C. The enamel is used to coat a wire-wound resistor on a ceramic former.
GB415372A 1971-03-10 1972-01-28 Electrical component with vitreous enamel coating Expired GB1334821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2157671 1971-03-10

Publications (1)

Publication Number Publication Date
GB1334821A true GB1334821A (en) 1973-10-24

Family

ID=11183831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB415372A Expired GB1334821A (en) 1971-03-10 1972-01-28 Electrical component with vitreous enamel coating

Country Status (2)

Country Link
FR (1) FR2129309A5 (en)
GB (1) GB1334821A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636122A1 (en) * 1976-08-11 1978-02-16 Geb Strutschlova Portatschenko Enamel for magnetic guides of electromagnet sheet - consisting of silicon, boron, aluminium, alkali, calcium and cobalt oxide(s)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2025929B (en) * 1978-07-21 1982-09-08 Ferro Corp Cadmium glass
US4429007A (en) * 1981-10-21 1984-01-31 The United States Of America As Represented By The United States Department Of Energy Electrical wire insulation and electromagnetic coil
JPS58213061A (en) * 1982-04-19 1983-12-10 ジヨンソン・マツセイ・パブリツク・リミテイド・カンパニ− Sprayable enamel suspension
RU2643828C1 (en) * 2016-12-23 2018-02-06 Юлия Алексеевна Щепочкина Glaze

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636122A1 (en) * 1976-08-11 1978-02-16 Geb Strutschlova Portatschenko Enamel for magnetic guides of electromagnet sheet - consisting of silicon, boron, aluminium, alkali, calcium and cobalt oxide(s)

Also Published As

Publication number Publication date
FR2129309A5 (en) 1972-10-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee