GB870830A - Improved bulb for mercury switches and the like - Google Patents

Improved bulb for mercury switches and the like

Info

Publication number
GB870830A
GB870830A GB5900/59A GB590059A GB870830A GB 870830 A GB870830 A GB 870830A GB 5900/59 A GB5900/59 A GB 5900/59A GB 590059 A GB590059 A GB 590059A GB 870830 A GB870830 A GB 870830A
Authority
GB
United Kingdom
Prior art keywords
mercury switches
improved bulb
feb
mercury
bulb
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
GB5900/59A
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.)
MERCURIA
Original Assignee
MERCURIA
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 MERCURIA filed Critical MERCURIA
Publication of GB870830A publication Critical patent/GB870830A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/02—Details
    • H01H29/08—Means for introducing a predetermined time delay

Landscapes

  • Treating Waste Gases (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Electronic Switches (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Multiple-Way Valves (AREA)

Abstract

870,830. Mercury switches. MERCURIA. Feb. 20, 1959 [Feb. 28, 1958; June 24, 1958; Nov. 25, 1958], No. 5900/59. Class 38 (5). A mercury switch has a delay element consisting of a bundle of twisted wires 4 with a tubular member 5 fitted thereon. In a modification (not shown) the member 5 may extend through the partition 3.
GB5900/59A 1958-02-28 1959-02-20 Improved bulb for mercury switches and the like Expired GB870830A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR870830X 1958-02-28

Publications (1)

Publication Number Publication Date
GB870830A true GB870830A (en) 1961-06-21

Family

ID=9352034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5900/59A Expired GB870830A (en) 1958-02-28 1959-02-20 Improved bulb for mercury switches and the like

Country Status (3)

Country Link
US (1) US2929889A (en)
DE (1) DE1142402B (en)
GB (1) GB870830A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076972A (en) * 1976-05-10 1978-02-28 Jean Efther Liquid contact switch having plural compartments and electrical heater

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377445A (en) * 1964-11-24 1968-04-09 Ubukata Susumu Time delay switches utilizing conductive liquids
JPS4844984B1 (en) * 1970-02-14 1973-12-27
US3955059A (en) * 1974-08-30 1976-05-04 Graf Ronald E Electrostatic switch
US4264798A (en) * 1976-01-12 1981-04-28 Graf Ronald E Electrostatic switch
US4262414A (en) * 1978-08-11 1981-04-21 General Electric Company Method for manufacturing a hermetically sealed electrochemical storage cell
US4271099A (en) * 1979-10-01 1981-06-02 Kukla Thomas S Apparatus for thorough mixture of a liquid with a gas
DE8016981U1 (en) * 1980-06-26 1980-11-06 W. Guenther Gmbh, 8500 Nuernberg Mercury electrode switch
US4468546A (en) * 1983-05-23 1984-08-28 Pitre-Jones, Inc. Bilge pump activator switch

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE446420C (en) * 1924-09-12 1927-06-30 Heraeus Gmbh W C Device for setting a delayed pressure and gas equalization between two containers, e.g. with time triggers
BE477929A (en) * 1946-12-09
FR976798A (en) * 1948-10-19 1951-03-22 Mercury timed electric switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076972A (en) * 1976-05-10 1978-02-28 Jean Efther Liquid contact switch having plural compartments and electrical heater

Also Published As

Publication number Publication date
US2929889A (en) 1960-03-22
DE1142402B (en) 1963-01-17

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