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.)
BALL ROLLED TUBE CORP
Original Assignee
BALL ROLLED TUBE CORP
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 BALL ROLLED TUBE CORPfiledCriticalBALL ROLLED TUBE CORP
Application grantedgrantedCritical
Publication of FR506047ApublicationCriticalpatent/FR506047A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C9/00—Cooling, heating or lubricating drawing material
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR506047A1919-02-101919-11-14Méthode et appareil pour l'étirage des métaux
ExpiredFR506047A
(fr)