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.)
Devlieg Bullard Inc
Original Assignee
National Acme Co
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 National Acme CofiledCriticalNational Acme Co
Application grantedgrantedCritical
Publication of FR812767ApublicationCriticalpatent/FR812767A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B11/00—Automatic or semi-automatic turning-machines incorporating equipment for performing other working procedures, e.g. slotting, milling, rolling
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR812767D1936-10-291936-10-29Perfectionnements aux mécanismes à fileter au peigne pour tours automatiques
ExpiredFR812767A
(fr)