FR937152A - Soupape perfectionnée susceptible d'être utilisée en conjonction avec les tubes à rayons cathodiques, et pour d'autres applications - Google Patents

Soupape perfectionnée susceptible d'être utilisée en conjonction avec les tubes à rayons cathodiques, et pour d'autres applications

Info

Publication number
FR937152A
FR937152A FR937152DA FR937152A FR 937152 A FR937152 A FR 937152A FR 937152D A FR937152D A FR 937152DA FR 937152 A FR937152 A FR 937152A
Authority
FR
France
Prior art keywords
applications
conjunction
cathode ray
ray tubes
valve suitable
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)
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.)
WT Henleys Telegraph Works Co Ltd
Original Assignee
WT Henleys Telegraph Works Co Ltd
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 WT Henleys Telegraph Works Co Ltd filed Critical WT Henleys Telegraph Works Co Ltd
Application granted granted Critical
Publication of FR937152A publication Critical patent/FR937152A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
FR937152D 1946-02-21 1946-12-19 Soupape perfectionnée susceptible d'être utilisée en conjonction avec les tubes à rayons cathodiques, et pour d'autres applications Expired FR937152A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5399/46A GB613449A (en) 1946-02-21 1946-02-21 Improvements in cold cathode electronic discharge devices

Publications (1)

Publication Number Publication Date
FR937152A true FR937152A (fr) 1948-08-10

Family

ID=9795422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937152D Expired FR937152A (fr) 1946-02-21 1946-12-19 Soupape perfectionnée susceptible d'être utilisée en conjonction avec les tubes à rayons cathodiques, et pour d'autres applications

Country Status (3)

Country Link
US (1) US2449838A (fr)
FR (1) FR937152A (fr)
GB (1) GB613449A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642078A (en) * 1949-11-16 1953-06-16 Maid O Mist Inc Automatic hygroscopic air vent valve with capillary drain tube
US2943239A (en) * 1954-06-29 1960-06-28 Schlumberger Well Surv Corp Method and apparatus for renewing targets
US2934392A (en) * 1956-12-28 1960-04-26 Gen Electric Methods of manufacturing evacuated and gas-filled devices
US3628564A (en) * 1969-10-02 1971-12-21 Ford Motor Co Fluid flow control valve assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1572469A (en) * 1925-09-28 1926-02-09 Holland Furnace Co Liquid-flow-regulating valve
US1946734A (en) * 1930-02-17 1934-02-13 Holland Furnace Co Liquid flow regulating valve
US1964300A (en) * 1933-04-24 1934-06-26 United Gas Improvement Co Gas pilot burner control
US2289905A (en) * 1939-03-09 1942-07-14 Gen Motors Corp Refrigerating apparatus
US2276639A (en) * 1940-05-03 1942-03-17 Westinghouse Electric & Mfg Co Vacuum control system

Also Published As

Publication number Publication date
GB613449A (en) 1948-11-29
US2449838A (en) 1948-09-21

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