ES204630A1 - Manufacturing procedure of glass tubes for lighting lights for miners (Machine-translation by Google Translate, not legally binding)
- Google Patents
Manufacturing procedure of glass tubes for lighting lights for miners (Machine-translation by Google Translate, not legally binding)
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Union Vidriera De Espana S A
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Union Vidriera De Espana S A
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Priority to ES204630ApriorityCriticalpatent/ES204630A1/en
Publication of ES204630A1publicationCriticalpatent/ES204630A1/en
Method of manufacturing glass tubes for safety lamps for miners characterized by obtaining by pressing a glass vessel whose body has a completely regular and exact thickness and with the part corresponding to the bottom of outer diameter somewhat smaller than said body and then cutting this glass according to the line of connection between the body and the part of the bottom of smaller diameter to obtain a tube of exact dimensions. (Machine-translation by Google Translate, not legally binding)
ES204630A1952-07-111952-07-11Manufacturing procedure of glass tubes for lighting lights for miners (Machine-translation by Google Translate, not legally binding)
ExpiredES204630A1
(en)
A manufacturing procedure for a pipe with a discentrated bulb and an elbow from this pipe (Machine-translation by Google Translate, not legally binding)
Tube for fluorescent lighting in the form of a candle or spark plug, applicable to any electric lighting device replacing incandescent bulbs (Machine-translation by Google Translate, not legally binding)
A perfection in the manufacturing procedure of incandecent lamps intended especially to the projection (Machine-translation by Google Translate, not legally binding)