GB493454A - Improvements in or relating to contacts or contact tips for electric switches - Google Patents

Improvements in or relating to contacts or contact tips for electric switches

Info

Publication number
GB493454A
GB493454A GB998937A GB998937A GB493454A GB 493454 A GB493454 A GB 493454A GB 998937 A GB998937 A GB 998937A GB 998937 A GB998937 A GB 998937A GB 493454 A GB493454 A GB 493454A
Authority
GB
United Kingdom
Prior art keywords
insert
refractory material
contacts
refractory
metal
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
GB998937A
Other languages
English (en)
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.)
Allen West and Co Ltd
Original Assignee
Allen West and 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
Priority to BE427494D priority Critical patent/BE427494A/xx
Application filed by Allen West and Co Ltd filed Critical Allen West and Co Ltd
Priority to GB998937A priority patent/GB493454A/en
Priority to FR836361D priority patent/FR836361A/fr
Publication of GB493454A publication Critical patent/GB493454A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/02Contacts characterised by the material thereof
    • H01H1/021Composite material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Contacts (AREA)
GB998937A 1937-04-08 1937-04-08 Improvements in or relating to contacts or contact tips for electric switches Expired GB493454A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE427494D BE427494A (enrdf_load_stackoverflow) 1937-04-08
GB998937A GB493454A (en) 1937-04-08 1937-04-08 Improvements in or relating to contacts or contact tips for electric switches
FR836361D FR836361A (fr) 1937-04-08 1938-04-08 Perfectionnements aux contacts ou aux plots de contacts pour disjoncteurs électriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB998937A GB493454A (en) 1937-04-08 1937-04-08 Improvements in or relating to contacts or contact tips for electric switches

Publications (1)

Publication Number Publication Date
GB493454A true GB493454A (en) 1938-10-10

Family

ID=9882487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB998937A Expired GB493454A (en) 1937-04-08 1937-04-08 Improvements in or relating to contacts or contact tips for electric switches

Country Status (3)

Country Link
BE (1) BE427494A (enrdf_load_stackoverflow)
FR (1) FR836361A (enrdf_load_stackoverflow)
GB (1) GB493454A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR836361A (fr) 1939-01-17
BE427494A (enrdf_load_stackoverflow)

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