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
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Priority to FR855978ApriorityCriticalpatent/FR1284803A/fr
Application grantedgrantedCritical
Publication of FR1284803ApublicationCriticalpatent/FR1284803A/fr
C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B23/00—Re-forming shaped glass
C03B23/04—Re-forming tubes or rods
C03B23/07—Re-forming tubes or rods by blowing, e.g. for making electric bulbs
C03B23/073—Vacuum-blowing
Landscapes
Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Materials Engineering
(AREA)
Organic Chemistry
(AREA)
FR855978A1960-03-211961-03-17Procédé de déformation d'un tube de verre, objet réalisé suivant ce procédé et dispositif pour sa mise en oeuvre
ExpiredFR1284803A
(fr)