GB331799A - - Google Patents

Info

Publication number
GB331799A
GB331799A GB37190/29A GB3719029A GB331799A GB 331799 A GB331799 A GB 331799A GB 37190/29 A GB37190/29 A GB 37190/29A GB 3719029 A GB3719029 A GB 3719029A GB 331799 A GB331799 A GB 331799A
Authority
GB
United Kingdom
Prior art keywords
layers
conducting
dielectric layers
shellac
penetrated
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
GB37190/29A
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Publication of GB331799A publication Critical patent/GB331799A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/26Lead-in insulators; Lead-through insulators
    • H01B17/28Capacitor type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Bodies (AREA)

Abstract

331,799. Associated Electrical Industries, Ltd., (Assignees of Burr, G. A.). Jan. 10, 1929, [Convention date]. Insulators; electric cables, carrying through partitions; insulation.- In a condenser type of bushing insulator having conducting and dielectric layers held together by a binding agent, the dielectric layers are formed of a, slightly porous and relatively dense material which is penetrated to only a small depth by the binding material. In the construction shown in Figs. 1 and 2, the device comprises a central conductor 2 and a plurality of alternate conducting and dielectric layers 3 and 4 respectively. stepped as shown at 7 and 8 to provide a grading of capacities between the conducting layers 3. The dielectric layers 4 are preferably wound of several layers of paper treated on one or both sides with a binder such as shellac, the paper being substantially 0.125 mm. in thickness and penetrated to less than half its depth by the shellac. The conducting layers 3 may be formed of lead or tin foil but are preferably of embossed aluminium foil coated on one or both sides with the binding material. The layers are wound under heat and pressure in order to unite the conducting and dielectric layers.
GB37190/29A 1929-01-10 1929-12-04 Expired GB331799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US331799TA 1929-01-10 1929-01-10

Publications (1)

Publication Number Publication Date
GB331799A true GB331799A (en) 1930-07-10

Family

ID=31945941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37190/29A Expired GB331799A (en) 1929-01-10 1929-12-04

Country Status (1)

Country Link
GB (1) GB331799A (en)

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