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.)
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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
Application grantedgrantedCritical
Publication of FR1097856ApublicationCriticalpatent/FR1097856A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1097856D1953-04-091954-04-07Dispositif d'exécution d'une ou de plusieurs moulures sur la surface d'un tube métallique à mince paroi
ExpiredFR1097856A
(fr)
Dispositif pour la fabrication d'une pièce en béton ou matière analogue, dont les génératrices de la paroi latérale sont toutes des lignes droites et parallèles
Dispositif pour la fabrication de briques ou autres objets céramiques avec application de vibrations, et briques ou autres objets céramiques fabriqués à l'aide de cedispositif