NL7404111A - - Google Patents

Info

Publication number
NL7404111A
NL7404111A NL7404111A NL7404111A NL7404111A NL 7404111 A NL7404111 A NL 7404111A NL 7404111 A NL7404111 A NL 7404111A NL 7404111 A NL7404111 A NL 7404111A NL 7404111 A NL7404111 A NL 7404111A
Authority
NL
Netherlands
Application number
NL7404111A
Other versions
NL174889C (en
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 claimed from DE19732315732 external-priority patent/DE2315732C3/en
Application filed filed Critical
Publication of NL7404111A publication Critical patent/NL7404111A/xx
Application granted granted Critical
Publication of NL174889C publication Critical patent/NL174889C/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
    • F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H33/565—Gas-tight sealings for moving parts penetrating into the reservoir

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Circuit Breakers (AREA)
  • Sealing Of Bearings (AREA)
  • Gas-Insulated Switchgears (AREA)
NLAANVRAGE7404111,A 1973-03-27 1974-03-26 ELECTRIC HIGH VOLTAGE SWITCH WITH CLOSED GAS CIRCUIT. NL174889C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732315732 DE2315732C3 (en) 1973-03-27 Gastight implementation

Publications (2)

Publication Number Publication Date
NL7404111A true NL7404111A (en) 1974-10-01
NL174889C NL174889C (en) 1984-08-16

Family

ID=5876373

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7404111,A NL174889C (en) 1973-03-27 1974-03-26 ELECTRIC HIGH VOLTAGE SWITCH WITH CLOSED GAS CIRCUIT.

Country Status (8)

Country Link
US (1) US3895200A (en)
JP (2) JPS49127059A (en)
CH (1) CH562414A5 (en)
FR (1) FR2223813B1 (en)
GB (1) GB1441193A (en)
IT (1) IT1005886B (en)
NL (1) NL174889C (en)
SE (1) SE387472B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320026A1 (en) * 1975-08-01 1977-02-25 Cemse Protective envelope for electric device - is used in explosive environment and comprises two cylindrical elements sealed together
JPS5227545U (en) * 1975-08-15 1977-02-25
DE2824901C2 (en) * 1978-06-07 1982-09-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Rod seal
DE2911688A1 (en) * 1979-03-24 1980-10-02 Licentia Gmbh GAS DENSITY
CN105485339A (en) * 2015-12-28 2016-04-13 苏州林信源自动化科技有限公司 Piston rod

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726882A (en) * 1953-05-29 1955-12-13 Standard Oil Co Adjustable high pressure rotating shaft seal
US3179423A (en) * 1962-10-26 1965-04-20 Ite Circuit Breaker Ltd Gas seal for oil circuit breakers
US3381101A (en) * 1965-01-15 1968-04-30 Westinghouse Electric Corp Cross-blast circuit breakers with positive coordination between contact members and puffer structure
US3395260A (en) * 1967-12-18 1968-07-30 Hamlin Products Inc Sealing means for waterproofing electrical switches
GB1297496A (en) * 1971-09-03 1972-11-22

Also Published As

Publication number Publication date
FR2223813A1 (en) 1974-10-25
DE2315732B2 (en) 1975-09-04
US3895200A (en) 1975-07-15
GB1441193A (en) 1976-06-30
DE2315732A1 (en) 1974-10-10
SE387472B (en) 1976-09-06
NL174889C (en) 1984-08-16
JPS5597936U (en) 1980-07-08
FR2223813B1 (en) 1979-05-04
IT1005886B (en) 1976-09-30
JPS49127059A (en) 1974-12-05
CH562414A5 (en) 1975-05-30

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee