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.)
American Radiator and Standard Sanitary Corp
Original Assignee
American Radiator and Standard Sanitary 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 American Radiator and Standard Sanitary CorpfiledCriticalAmerican Radiator and Standard Sanitary Corp
Application grantedgrantedCritical
Publication of FR1167868ApublicationCriticalpatent/FR1167868A/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
B21C23/00—Extruding metal; Impact extrusion
B21C23/02—Making uncoated products
B21C23/03—Making uncoated products by both direct and backward extrusion
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1167868D1956-11-291956-11-29Procédé de façonnage à froid de pièces tubulaires cloisonnées en acier
ExpiredFR1167868A
(fr)