GB386742A - Improvements in connection with electrical heating apparatus and in the method of constructing the same - Google Patents

Improvements in connection with electrical heating apparatus and in the method of constructing the same

Info

Publication number
GB386742A
GB386742A GB3121231A GB3121231A GB386742A GB 386742 A GB386742 A GB 386742A GB 3121231 A GB3121231 A GB 3121231A GB 3121231 A GB3121231 A GB 3121231A GB 386742 A GB386742 A GB 386742A
Authority
GB
United Kingdom
Prior art keywords
base
sprayed
metal
refractory
resistance
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
GB3121231A
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.)
Crittall R & Co Ltd
Original Assignee
Crittall R & 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 Crittall R & Co Ltd filed Critical Crittall R & Co Ltd
Priority to GB3121231A priority Critical patent/GB386742A/en
Publication of GB386742A publication Critical patent/GB386742A/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
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters

Landscapes

  • Surface Heating Bodies (AREA)

Abstract

386,742. Resistance coatings and deposits. FOWLER, L. J., 20B, Anerley Park, MUSGRAVE, J. L. and CRITTALL & CO., Ltd., R., 43, Bloomsbury Square, both in London. Nov. 11, 1931, No. 31212. [Class 37.] In an electric heating-apparatus in which the resistance consists of metal sprayed on to a base of refractory insulating material, the spray is moved along a predetermined path so that the metal is deposited upon the base in a zone of regular thickness and cross-sectional area. Alternatively the spray may be stationary and the base be moved. A layer of insulating material may be attached to one or both sides of the refractory base; and behind this a layer of heat-resisting material, or one layer may serve both purposes. Alternatively the base, after the resistance metal has been sprayed thereon, may be dipped in an insulating liquid which is then allowed to dry. For heating boilers, urns, &c., the resistance metal may be sprayed on the underside of the refractory insulating base, and covered with insulating heat-resisting material. The base may be arranged beneath the boiler &c. or may form the bottom thereof, in which case the upper surface may be sprayed with another metal or enamel. Alternatively the side of the base on which the resistance metal is sprayed may form the bottom of the vessel, in which case this side is also treated with a non-corrosive insulator or enamel. The invention is applicable to heating sterilizers, bronchitis kettles, glue-pots, sealing-wax heaters, coffee percolators, &c. For use in ovens, grills, hotplates, boiling tables, or toasters, the refractory base on which the resistance metal is sprayed may constitute a structural part of the article, or a separate unit. In the latter case, a layer of solid material may be interposed between the refractory base and the structural part to prevent unduly high temperatures. The heater may be used as a convection heater or as a heater in a trunk for a ventilation system. According to the Provisional Specification a stencil may be placed over the refractory base and metal sprayed over the stencil.
GB3121231A 1931-11-11 1931-11-11 Improvements in connection with electrical heating apparatus and in the method of constructing the same Expired GB386742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3121231A GB386742A (en) 1931-11-11 1931-11-11 Improvements in connection with electrical heating apparatus and in the method of constructing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3121231A GB386742A (en) 1931-11-11 1931-11-11 Improvements in connection with electrical heating apparatus and in the method of constructing the same

Publications (1)

Publication Number Publication Date
GB386742A true GB386742A (en) 1933-01-26

Family

ID=10319689

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3121231A Expired GB386742A (en) 1931-11-11 1931-11-11 Improvements in connection with electrical heating apparatus and in the method of constructing the same

Country Status (1)

Country Link
GB (1) GB386742A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006241A1 (en) * 1985-04-15 1986-10-23 Email Limited Heating element
WO1993026138A1 (en) * 1992-06-12 1993-12-23 Heinz Zorn Electric panel heater and process for producing it

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006241A1 (en) * 1985-04-15 1986-10-23 Email Limited Heating element
WO1993026138A1 (en) * 1992-06-12 1993-12-23 Heinz Zorn Electric panel heater and process for producing it

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