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GB1234954A - Improvements in electric heating elements - Google Patents

Improvements in electric heating elements

Info

Publication number
GB1234954A
GB1234954A GB27257/68A GB2725768A GB1234954A GB 1234954 A GB1234954 A GB 1234954A GB 27257/68 A GB27257/68 A GB 27257/68A GB 2725768 A GB2725768 A GB 2725768A GB 1234954 A GB1234954 A GB 1234954A
Authority
GB
United Kingdom
Prior art keywords
classes
varnish
insulation
june
belonging
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
GB27257/68A
Inventor
Jean Poswick
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.)
Umicore NV SA
Original Assignee
Ateliers de Constructions Electriques de Charleroi SA
ACEC SA
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 Ateliers de Constructions Electriques de Charleroi SA, ACEC SA filed Critical Ateliers de Constructions Electriques de Charleroi SA
Publication of GB1234954A publication Critical patent/GB1234954A/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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06573—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the permanent binder
    • H01C17/06586—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the permanent binder composed of organic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Paints Or Removers (AREA)

Abstract

1,234,954. Electric heating resistances. ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI. 7 June, 1968 [8 June, 1967; 28 March, 1968], No. 27257/68. Heading H5H. A heating element of the type comprising a conductive varnish on a flexible or rigid insulating support, the varnish being bordered by electrodes applied to the support, is characterized by using as binder for the varnish a thermoplastic resin, belonging to the classes of insulation F, H or C, which does not have to be cured or heat-treated and which forms a completely stable film after evaporation of the solvent in which it is applied, and by having an insulating support belonging to the classes of insulation Y, A, E or B. Suitable binders are polydichlorodifluoroethylene, polyvinylidene fluoride and a polycondensate of bis-phenol A and 4, 4<SP>1</SP>- dichlorodiphenyl sulphone. The varnish has a filler of carbon black, graphite or powdered metals. Specific examples are given. The heating element is used for heating roads by incorporating it in the concrete slabs or surfacing thereof. Suitable volatile solvents for the binders are specified. British Standard Specification No. 2757 (1956) defines insulation classes F, H, C as 155‹ C., 180‹ C., or higher, and defines classes Y, A, E, B as 90‹C., 105‹C., 120‹C., 130‹ C., i.e. substantially below 155‹ C.
GB27257/68A 1967-06-08 1968-06-07 Improvements in electric heating elements Expired GB1234954A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE699646A BE699646A (en) 1967-06-08 1967-06-08 HEATING ELEMENTS
BE56404 1968-03-28

Publications (1)

Publication Number Publication Date
GB1234954A true GB1234954A (en) 1971-06-09

Family

ID=25647400

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27257/68A Expired GB1234954A (en) 1967-06-08 1968-06-07 Improvements in electric heating elements

Country Status (6)

Country Link
BE (2) BE699646A (en)
CA (1) CA855820A (en)
DE (1) DE1765542A1 (en)
FR (1) FR1579597A (en)
GB (1) GB1234954A (en)
LU (1) LU56218A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328047A1 (en) * 1988-02-12 1989-08-16 EMERSON &amp; CUMING, INC. Solvent-processible electrically conductive coatings
EP0282909A3 (en) * 1987-03-18 1990-01-31 Basf Aktiengesellschaft Article with a permanent antielectrostatic coating
US9771158B2 (en) 2005-02-09 2017-09-26 Qinetiq Limited Ice protection of aerodynamic surfaces

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006567A1 (en) * 1978-06-24 1980-01-09 Alfred Jagemann Heating element for electrically heating stairs, floors, concrete elements, etc.
EP0208808A1 (en) * 1985-07-11 1987-01-21 Zhu Hanxiong Printed resistor, method for making same and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0282909A3 (en) * 1987-03-18 1990-01-31 Basf Aktiengesellschaft Article with a permanent antielectrostatic coating
EP0328047A1 (en) * 1988-02-12 1989-08-16 EMERSON &amp; CUMING, INC. Solvent-processible electrically conductive coatings
US4896250A (en) * 1988-02-12 1990-01-23 Emerson & Cuming, Inc. Solvent-processible electrically conductive coatings
US9771158B2 (en) 2005-02-09 2017-09-26 Qinetiq Limited Ice protection of aerodynamic surfaces

Also Published As

Publication number Publication date
FR1579597A (en) 1969-08-29
CA855820A (en) 1970-11-10
LU56218A1 (en) 1968-09-16
DE1765542A1 (en) 1971-07-29
BE699646A (en) 1967-12-08
BE712859R (en) 1968-09-30

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