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.)
Esperanza y Cia SA
Original Assignee
Esperanza y Cia SA
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 Esperanza y Cia SAfiledCriticalEsperanza y Cia SA
Priority to ES0008856UpriorityCriticalpatent/ES8856U/en
Publication of ES8856UpublicationCriticalpatent/ES8856U/en
Calculation rule for the drill, characterized by the disposition ordered in 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 and with the indication D = diameter of the drill in minutes, the different values of D registered in line in the inner slide of the rule can run; a top window with the indication N = revolutions per minute, allows it to display the corresponding N value, of the series of them, inscribed in the inner or sliding reglite, when it occupies the position corresponding to each value of V and D. (Machine-translation by Google Translate, not legally binding)
ES0008856U1943-08-051943-08-05Calculation rule for the drill (Machine-translation by Google Translate, not legally binding)
PendingES8856U
(en)
New oil and gasoline mixer measuring device with oil piston variator and measuring safety device (Machine-translation by Google Translate, not legally binding)