GB322367A - Improvements relating to electric furnaces - Google Patents

Improvements relating to electric furnaces

Info

Publication number
GB322367A
GB322367A GB3809228A GB3809228A GB322367A GB 322367 A GB322367 A GB 322367A GB 3809228 A GB3809228 A GB 3809228A GB 3809228 A GB3809228 A GB 3809228A GB 322367 A GB322367 A GB 322367A
Authority
GB
United Kingdom
Prior art keywords
muffle
fireclay
plates
pins
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
GB3809228A
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.)
FRANK BRETHERTON WOOLFORD
Original Assignee
FRANK BRETHERTON WOOLFORD
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 FRANK BRETHERTON WOOLFORD filed Critical FRANK BRETHERTON WOOLFORD
Priority to GB3809228A priority Critical patent/GB322367A/en
Publication of GB322367A publication Critical patent/GB322367A/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
    • H05B3/62—Heating elements specially adapted for furnaces
    • H05B3/66—Supports or mountings for heaters on or in the wall or roof

Landscapes

  • Tunnel Furnaces (AREA)

Abstract

322,367. Woolford, F. B. Dec. 24, 1928. resistance furnaces. -The resistances are supported on the inside of a muffle of fireclay or other ceramic material by pins or rods of silica which may be in the form of quartz. The fireclay muffle A is provided with a flange a and a cover provided with an aperture H allowing insertion of a pyrometer. Fireclay plates C fitting in slots in the muffle carry silica pins B cemented in the plates. Nichrome resistance coils F extending from end to end of the muffle are arranged in sinuous fashion on the pins. Longitudinal slots E in the plates C allow passage of heat from the elements. In Fig. 3 the resistance F is arranged on quartz rods G mounted in fireclay studs secured in the plates C.
GB3809228A 1928-12-24 1928-12-24 Improvements relating to electric furnaces Expired GB322367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3809228A GB322367A (en) 1928-12-24 1928-12-24 Improvements relating to electric furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3809228A GB322367A (en) 1928-12-24 1928-12-24 Improvements relating to electric furnaces

Publications (1)

Publication Number Publication Date
GB322367A true GB322367A (en) 1929-12-05

Family

ID=10401119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3809228A Expired GB322367A (en) 1928-12-24 1928-12-24 Improvements relating to electric furnaces

Country Status (1)

Country Link
GB (1) GB322367A (en)

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