ES263828A1 - Improvements introduced in the manufacture of sodium steam discharge lamps (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the manufacture of sodium steam discharge lamps (Machine-translation by Google Translate, not legally binding)
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.)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES263828A1publicationCriticalpatent/ES263828A1/en
Improvements introduced in the manufacture of sodium vapor discharge lamps containing a rare gas mixture composed substantially of neon and in which the inner side of the discharge vessel is a borate glass which substantially does not discolour, characterized by the fact that that the borate glass has the following composition: (see graphic) with the condition that BaO = 40 to 65% by weight SiO2 + B2O5 = 15 to 30% by weight SiO2 + Al2O3 = 5 to 25% by weight. (Machine-translation by Google Translate, not legally binding)
ES0263828A1960-01-091961-01-05Improvements introduced in the manufacture of sodium steam discharge lamps (Machine-translation by Google Translate, not legally binding)
ExpiredES263828A1
(en)
Some improvements to raise the luminosity of signal lamps, of small dimensions, containing neon gas or other rare gases (Machine-translation by Google Translate, not legally binding)