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.)
KIRKPATRICK MAX BLAINE
Original Assignee
KIRKPATRICK MAX BLAINE
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 KIRKPATRICK MAX BLAINEfiledCriticalKIRKPATRICK MAX BLAINE
Priority to ES0243125ApriorityCriticalpatent/ES243125A1/en
Publication of ES243125A1publicationCriticalpatent/ES243125A1/en
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Machine for drilling tunnels or mines, characterized in that it comprises at least two material drilling heads, means for selectively altering each of said drilling heads along generally parallel paths in contact and out of contact with the material that must to be drilled and drilling hole grasping means selectively operable to come into contact in contact with the drilling hole produced by each of said drilling heads. (Machine-translation by Google Translate, not legally binding)
ES0243125A1958-07-161958-07-16Machine for drilling tunnels or mines (Machine-translation by Google Translate, not legally binding)
ExpiredES243125A1
(en)