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
GB21830/36A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AGfiledCriticalSiemens and Halske AG
Publication of GB460876ApublicationCriticalpatent/GB460876A/en
H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
H01T13/00—Sparking plugs
H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
H01T13/38—Selection of materials for insulation
Landscapes
Fuses
(AREA)
Abstract
460,876. Sparking - plugs. SIEMENS & HALSKE AKT.-GES. Aug. 7, 1936, No. 21830. Convention date, Aug. 29, 1935. [Class 7 (iv)] The insulation consists of a highly sintered metallic oxide, the insulated terminal of tungsten, and the terminal attached to the plug body of a flexible difficultly-fusible alloy of, for example tungsten and molybdenum.
GB21830/36A1935-08-291936-08-07Improvements in or relating to sparking plugs
ExpiredGB460876A
(en)