FR770643A - Procédé pour faire le vide dans des récipients, plus spécialement dans les ampoules des lampes à incandescence - Google Patents

Procédé pour faire le vide dans des récipients, plus spécialement dans les ampoules des lampes à incandescence

Info

Publication number
FR770643A
FR770643A FR770643DA FR770643A FR 770643 A FR770643 A FR 770643A FR 770643D A FR770643D A FR 770643DA FR 770643 A FR770643 A FR 770643A
Authority
FR
France
Prior art keywords
bulbs
receptacles
creating
vacuum
incandescent lamps
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)
French (fr)
Inventor
Carl Trenzen
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.)
Astron S A
Original Assignee
Astron S A
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 Astron S A filed Critical Astron S A
Application granted granted Critical
Publication of FR770643A publication Critical patent/FR770643A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/22—Exhausting, degassing, filling, or cleaning vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR770643D 1933-12-04 1934-03-24 Procédé pour faire le vide dans des récipients, plus spécialement dans les ampoules des lampes à incandescence Expired FR770643A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH439243X 1933-12-04
CH842351X 1948-02-02

Publications (1)

Publication Number Publication Date
FR770643A true FR770643A (fr) 1934-09-17

Family

ID=27623579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR770643D Expired FR770643A (fr) 1933-12-04 1934-03-24 Procédé pour faire le vide dans des récipients, plus spécialement dans les ampoules des lampes à incandescence

Country Status (2)

Country Link
FR (1) FR770643A (xx)
NL (1) NL68867C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0392456A2 (en) * 1989-04-14 1990-10-17 TUNGSRAM Részvénytársaság Method of producing incandescent lamps with an halogen filling and lamp produced by the method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0392456A2 (en) * 1989-04-14 1990-10-17 TUNGSRAM Részvénytársaság Method of producing incandescent lamps with an halogen filling and lamp produced by the method
EP0392456A3 (en) * 1989-04-14 1991-07-17 TUNGSRAM Részvénytársaság Method of producing incandescent lamps with an halogen filling and lamp produced by the method

Also Published As

Publication number Publication date
NL68867C (xx)

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