FR480218A - Perfectionnements dans les machines pour la fabrication de forets hélicoidaux et d'autres articles en métal rainurés de facon semblable
- Google Patents
Perfectionnements dans les machines pour la fabrication de forets hélicoidaux et d'autres articles en métal rainurés de facon semblable
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of FR480218ApublicationCriticalpatent/FR480218A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR480218D1915-08-261915-08-26Perfectionnements dans les machines pour la fabrication de forets hélicoidaux et d'autres articles en métal rainurés de facon semblable
ExpiredFR480218A
(fr)