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.)
LE PETIT TUBE DE PREC
Original Assignee
LE PETIT TUBE DE PREC
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 LE PETIT TUBE DE PRECfiledCriticalLE PETIT TUBE DE PREC
Application grantedgrantedCritical
Publication of FR1205151ApublicationCriticalpatent/FR1205151A/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
B21D41/00—Application of procedures in order to alter the diameter of tube ends
B21D41/04—Reducing; Closing
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1205151D1957-07-121957-07-12Procédé d'obturation de tubes, machine pour la mise en oeuvre de ce procédé, et tubes ainsi obturés
ExpiredFR1205151A
(fr)