GB929669A - Improvements in or relating to electric switches - Google Patents

Improvements in or relating to electric switches

Info

Publication number
GB929669A
GB929669A GB34136/60A GB3413660A GB929669A GB 929669 A GB929669 A GB 929669A GB 34136/60 A GB34136/60 A GB 34136/60A GB 3413660 A GB3413660 A GB 3413660A GB 929669 A GB929669 A GB 929669A
Authority
GB
United Kingdom
Prior art keywords
relating
electric switches
tin
copper
wetted
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
GB34136/60A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB929669A publication Critical patent/GB929669A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
    • H01H1/08—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved wetted with mercury

Landscapes

  • Contacts (AREA)
  • Manufacture Of Switches (AREA)

Abstract

The contacts of an electric switch are wetted by a solution of mercury and tin which may also contain copper. The percentage by weight of tin may be between 0.01 and 0.5 and of copper up to 0.05. Specifications 691,207 and 756,119 are referred to.
GB34136/60A 1959-10-22 1960-10-05 Improvements in or relating to electric switches Expired GB929669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US848028A US3018354A (en) 1959-10-22 1959-10-22 Means for preventing contact sticking in mercury contact switches

Publications (1)

Publication Number Publication Date
GB929669A true GB929669A (en) 1963-06-26

Family

ID=25302148

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34136/60A Expired GB929669A (en) 1959-10-22 1960-10-05 Improvements in or relating to electric switches

Country Status (6)

Country Link
US (1) US3018354A (en)
BE (1) BE596077A (en)
DE (1) DE1147647B (en)
FR (1) FR1274696A (en)
GB (1) GB929669A (en)
NL (2) NL126656C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE624902A (en) * 1961-11-16
DE1514762B2 (en) * 1965-05-28 1970-06-25 : Standard Elektrik Lorenz AG, 7000 Stuttgart Latching relay
US3356813A (en) * 1965-06-02 1967-12-05 Nippon Electric Co Mercury sealed contact switch
NL137148C (en) * 1967-03-03
SE434895B (en) * 1979-02-21 1984-08-20 Mo Inzh Fizichesky I MERCURY SWITCH AND PROCEDURE FOR MANUFACTURING THE SAME
US6979789B1 (en) 2005-03-21 2005-12-27 Agilent Technologies, Inc. Switches having wettable surfaces comprising a material that does not form alloys with a switching fluid, and method of making same
US11309140B2 (en) * 2019-01-04 2022-04-19 Littelfuse, Inc. Contact switch coating

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547536A (en) * 1951-04-03 Formation of a surface easily
US2319259A (en) * 1941-10-29 1943-05-18 Wilson H A Co Contact
NL190202B (en) * 1953-09-21 Nicholson Terence Peter CYLINDER HEAD GASKET FOR COMBUSTION ENGINE.
US2796495A (en) * 1953-12-23 1957-06-18 Baker & Co Inc Electrical contact elements

Also Published As

Publication number Publication date
NL255854A (en)
DE1147647B (en) 1963-04-25
NL126656C (en)
BE596077A (en) 1961-02-15
FR1274696A (en) 1961-10-27
US3018354A (en) 1962-01-23

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