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
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Filing date
Publication date
Application filed by BALL ROLLED TUBE CORPfiledCriticalBALL ROLLED TUBE CORP
Application grantedgrantedCritical
Publication of FR491506ApublicationCriticalpatent/FR491506A/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
B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
B21C3/02—Dies; Selection of material therefor; Cleaning thereof
B21C3/12—Die holders; Rotating dies
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR491506D1917-08-291918-08-28Perfectionnements apportés aux bancs d'étirage pour métaux
ExpiredFR491506A
(fr)