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.)
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Esperanza y Cia SA
Original Assignee
Esperanza y Cia SA
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Filing date
Publication date
Application filed by Esperanza y Cia SAfiledCriticalEsperanza y Cia SA
Priority to ES0008732UpriorityCriticalpatent/ES8732Y/en
Publication of ES8732UpublicationCriticalpatent/ES8732U/en
Application grantedgrantedCritical
Publication of ES8732YpublicationCriticalpatent/ES8732Y/en
Calculation rule for the lathe, characterized by the arrangement ordered on one of its faces of the values of V = (cutting speed in meters per minute under whose line in a window that occupies the entire length of that scale with the indication D = diameter of the piece in millimeters, the different values of D. can be traced in line in the internal slide of the rule, a top window, with the indication n = Revolutions per minute, allows the corresponding n value to appear in it, of the series of them, inscribed online in the inner or sliding strip, when this occupies the position corresponding to each case. (Machine-translation by Google Translate, not legally binding)
ES0008732U1943-07-051943-07-05
Slide rule for the lathe.
ExpiredES8732Y
(en)