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.)
Acton Bolt Ltd
Guest Keen and Nettelfolds Mitlands Ltd
Original Assignee
Acton Bolt Ltd
Guest Keen and Nettelfolds Mitlands Ltd
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 Acton Bolt Ltd, Guest Keen and Nettelfolds Mitlands LtdfiledCriticalActon Bolt Ltd
Application grantedgrantedCritical
Publication of FR67721EpublicationCriticalpatent/FR67721E/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
B23G9/001—Working screws
B23G9/002—Slotting screw heads or shanks
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR67721D1955-03-231955-03-23Perfectionnements apportés aux machines pour fendre les têtes de vis ou analogues
ExpiredFR67721E
(fr)