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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Vollmann & Schmelzer
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Vollmann & Schmelzer
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Filing date
Publication date
Application filed by Vollmann & SchmelzerfiledCriticalVollmann & Schmelzer
Application grantedgrantedCritical
Publication of FR627904ApublicationCriticalpatent/FR627904A/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
B21D9/05—Bending tubes using mandrels or the like co-operating with forming members
B21D9/07—Bending tubes using mandrels or the like co-operating with forming members with one or more swinging forming members engaging tube ends only
B21D9/073—Bending tubes using mandrels or the like co-operating with forming members with one or more swinging forming members engaging tube ends only with one swinging forming member
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR627904D1926-05-291927-01-22Procédé et machine pour le cintrage des tuyaux
ExpiredFR627904A
(fr)