FR833763A - Perfectionnements aux interrupteurs à mercure - Google Patents

Perfectionnements aux interrupteurs à mercure

Info

Publication number
FR833763A
FR833763A FR833763DA FR833763A FR 833763 A FR833763 A FR 833763A FR 833763D A FR833763D A FR 833763DA FR 833763 A FR833763 A FR 833763A
Authority
FR
France
Prior art keywords
mercury switches
mercury
switches
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
Other languages
English (en)
Inventor
Alfredo Cianchi
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 filed Critical
Application granted granted Critical
Publication of FR833763A publication Critical patent/FR833763A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/02—Apparatus or processes specially adapted for the manufacture of electric switches for mercury switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/40—Closing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
FR833763D 1938-02-15 1938-02-15 Perfectionnements aux interrupteurs à mercure Expired FR833763A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB453637A GB512557A (en) 1938-02-15 1938-02-15 Improvements relating to the filling with gas or evacuating of vessels

Publications (1)

Publication Number Publication Date
FR833763A true FR833763A (fr) 1938-10-31

Family

ID=9779024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833763D Expired FR833763A (fr) 1938-02-15 1938-02-15 Perfectionnements aux interrupteurs à mercure

Country Status (2)

Country Link
FR (1) FR833763A (fr)
GB (1) GB512557A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550363A (en) * 1946-10-04 1951-04-24 Shell Dev Lactam plasticizer for rubbers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427597A (en) * 1941-11-01 1947-09-16 Rca Corp Method of exhausting and cold weld sealing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550363A (en) * 1946-10-04 1951-04-24 Shell Dev Lactam plasticizer for rubbers

Also Published As

Publication number Publication date
GB512557A (en) 1939-09-20

Similar Documents

Publication Publication Date Title
FR857156A (fr) Perfectionnements aux interrupteurs
FR830093A (fr) Perfectionnements aux interrupteurs à mercure
FR855943A (fr) Perfectionnements apportés aux tubes à décharges électriques
FR858325A (fr) Perfectionnements aux interrupteurs électriques
FR855804A (fr) Perfectionnements aux interrupteurs
FR850075A (fr) Perfectionnements aux interrupteurs électriques
FR859553A (fr) Perfectionnements aux interrupteurs
FR833763A (fr) Perfectionnements aux interrupteurs à mercure
FR841630A (fr) Perfectionnements aux commutateurs
FR837815A (fr) Perfectionnements aux interrupteurs à mercure
FR861547A (fr) Perfectionnements aux lampes à grille-écran
FR861907A (fr) Perfectionnements aux interrupteurs électriques
FR843659A (fr) Perfectionnements aux métiers à tisser circulaires
FR841119A (fr) Perfectionnements aux commutateurs combinés
FR858421A (fr) Perfectionnements aux interrupteurs électriques
FR861908A (fr) Perfectionnements aux interrupteurs électriques
FR850738A (fr) Perfectionnements aux lampes à décharge
FR846351A (fr) Interrupteur à mercure
FR49082E (fr) Perfectionnements aux métiers à tisser
FR859028A (fr) Perfectionnements aux chaudières à mercure
FR850091A (fr) Perfectionnements aux vélocimanes
FR840932A (fr) Perfectionnements aux soufreuses-poudreuses
FR859109A (fr) Perfectionnements aux tubes à décharge
FR849138A (fr) Perfectionnements aux lampes à grille-écran
FR846451A (fr) Perfectionnements aux appareils à vulcaniser