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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ROHRBOGENWERK GmbH
Original Assignee
ROHRBOGENWERK GmbH
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Filing date
Publication date
Application filed by ROHRBOGENWERK GmbHfiledCriticalROHRBOGENWERK GmbH
Application grantedgrantedCritical
Publication of FR514620ApublicationCriticalpatent/FR514620A/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
B21D9/00—Bending tubes using mandrels or the like
B21D9/12—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Heat Treatment Of Articles
(AREA)
Bending Of Plates, Rods, And Pipes
(AREA)
FR514620A1916-04-271917-06-05Procédé pour fabriquer des coudes, des doubles-coudes, des serpentins, etc., et dispositif pour exécuter ce procédé
ExpiredFR514620A
(fr)