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.)
S Whitton Jeffery
Original Assignee
S Whitton Jeffery
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 S Whitton JefferyfiledCriticalS Whitton Jeffery
Priority to ES1974205084UpriorityCriticalpatent/ES205084Y/es
Publication of ES205084UpublicationCriticalpatent/ES205084U/es
Application grantedgrantedCritical
Publication of ES205084YpublicationCriticalpatent/ES205084Y/es
Dispositivo para el rescate de martillos utilizados en canteras y minas, que se caracteriza esencialmente porque consiste en el acoplamiento de una serie de varillas roscadas por sus extremos, que da lugar a un gran tubo que une la máquina de accionamiento situada sobre la superficie del terreno con la boca perdida del martillo a rescatar habiéndose previsto en la primera varilla, un adaptador que une a ésta con la maquina y en la última varilla una boca para la limpieza de la zona superior del martillo y/o una boca de rescate del propio martillo.
ES1974205084U1974-08-011974-08-01Dispositivo para el rescate de los martillos utilizados en canteras y minas.
ExpiredES205084Y
(es)
A process for measuring mechanical characteristics of rocks during drilling,a device which makes it possible to operate the said process and the use of this process and of this device for the automatization of drilling