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 Minnie Punch And Die Company IfiledCriticalMinnie Punch And Die Company I
Priority to OA51918ApriorityCriticalpatent/OA01716A/fr
Priority to FR18680Aprioritypatent/FR1500773A/fr
Publication of OA01716ApublicationCriticalpatent/OA01716A/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
B21D28/00—Shaping by press-cutting; Perforating
B21D28/24—Perforating, i.e. punching holes
B21D28/34—Perforating tools; Die holders
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
OA51918A1965-05-281965-05-28Dispositif pour l'emboutissage, le matriçage ou analogue en particulier de pièces fabriquées en petite séries.
OA01716A
(fr)