FR668887A - Appareil universel délimitant, d'une façon constante, la longueur des filetages, poussés jusque sous épaulement ou à une distance imposée
- Google Patents
Appareil universel délimitant, d'une façon constante, la longueur des filetages, poussés jusque sous épaulement ou à une distance imposée
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.)
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 filedfiledCritical
Application grantedgrantedCritical
Publication of FR668887ApublicationCriticalpatent/FR668887A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
B23G7/00—Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR668887D1929-02-021929-02-02Appareil universel délimitant, d'une façon constante, la longueur des filetages, poussés jusque sous épaulement ou à une distance imposée
ExpiredFR668887A
(fr)