FR878230A - Automatic vacuum valve - Google Patents

Automatic vacuum valve

Info

Publication number
FR878230A
FR878230A FR878230DA FR878230A FR 878230 A FR878230 A FR 878230A FR 878230D A FR878230D A FR 878230DA FR 878230 A FR878230 A FR 878230A
Authority
FR
France
Prior art keywords
vacuum valve
automatic vacuum
automatic
valve
vacuum
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
French (fr)
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Application granted granted Critical
Publication of FR878230A publication Critical patent/FR878230A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR878230D 1940-12-24 1941-12-31 Automatic vacuum valve Expired FR878230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH878230X 1940-12-24

Publications (1)

Publication Number Publication Date
FR878230A true FR878230A (en) 1943-01-14

Family

ID=4544617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878230D Expired FR878230A (en) 1940-12-24 1941-12-31 Automatic vacuum valve

Country Status (1)

Country Link
FR (1) FR878230A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447776A (en) * 1965-12-01 1969-06-03 Netstal Ag Maschf Giesserei Plural magnet operated poppet valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447776A (en) * 1965-12-01 1969-06-03 Netstal Ag Maschf Giesserei Plural magnet operated poppet valve

Similar Documents

Publication Publication Date Title
FR836927A (en) Automatic drill
FR878230A (en) Automatic vacuum valve
FR829193A (en) Automatic rewinder
CH266247A (en) Automatic telephony installation.
CH266081A (en) Vacuum cleaner.
FR875571A (en) Automatic coffee maker
FR53220E (en) Automatic switch
FR883259A (en) Automatic switch
FR877494A (en) Automatic expansion valve
CH219777A (en) Vacuum switch.
FR876603A (en) Automatic phonograph
FR877955A (en) Progressive automatic clutch
FR865309A (en) Suction cup
FR875951A (en) Automatic scallop
FR883775A (en) Automatic feeder
ES149729A1 (en) AUTOMATIC BAREMO
GR9235B (en) AUTOMATIC CATALOGER.
FR875486A (en) Small automatic switch
FR871059A (en) Advanced automatic phonograph
FR822792A (en) Automatic valve
CA386319A (en) Automatic drain valve
CA386320A (en) Automatic drain valve
FR842839A (en) Automatic rifle
GR9215B (en) AUTOMATIC ANTI-ARMY FIXED.
ES149589A1 (en) RETENTION VALVE