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.)
SPARKS PROCESSES
Original Assignee
SPARKS PROCESSES
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 SPARKS PROCESSESfiledCriticalSPARKS PROCESSES
Application grantedgrantedCritical
Publication of FR803406ApublicationCriticalpatent/FR803406A/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
B21C23/21—Presses specially adapted for extruding metal
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR803406D1936-02-291936-02-29Perfectionnements aux procédés et appareils pour l'extrusion ou filage à la presse de métal
ExpiredFR803406A
(fr)
Procédé pour fabriquer des matrices utilisables dans les presses à travailler les bandes métalliques et notamment pour le travail de l'alpaca à la presse