ES60250A1 - Perfeccionamientos en perforadoras mecánicas para barrenar roca. - Google Patents

Perfeccionamientos en perforadoras mecánicas para barrenar roca.

Info

Publication number
ES60250A1
ES60250A1 ES60250A ES60250A ES60250A1 ES 60250 A1 ES60250 A1 ES 60250A1 ES 60250 A ES60250 A ES 60250A ES 60250 A ES60250 A ES 60250A ES 60250 A1 ES60250 A1 ES 60250A1
Authority
ES
Spain
Prior art keywords
drill rock
mechanical drills
drills
mechanical
drill
Prior art date
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.)
Expired
Application number
ES60250A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES60250A priority Critical patent/ES60250A1/es
Publication of ES60250A1 publication Critical patent/ES60250A1/es
Expired legal-status Critical Current

Links

ES60250A 1915-05-07 1915-05-07 Perfeccionamientos en perforadoras mecánicas para barrenar roca. Expired ES60250A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES60250A ES60250A1 (es) 1915-05-07 1915-05-07 Perfeccionamientos en perforadoras mecánicas para barrenar roca.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES60250A ES60250A1 (es) 1915-05-07 1915-05-07 Perfeccionamientos en perforadoras mecánicas para barrenar roca.

Publications (1)

Publication Number Publication Date
ES60250A1 true ES60250A1 (es) 1915-06-01

Family

ID=64233542

Family Applications (1)

Application Number Title Priority Date Filing Date
ES60250A Expired ES60250A1 (es) 1915-05-07 1915-05-07 Perfeccionamientos en perforadoras mecánicas para barrenar roca.

Country Status (1)

Country Link
ES (1) ES60250A1 (es)

Similar Documents

Publication Publication Date Title
CH69119A (de) Drehbohrer für Tiefbohrungen
ES60250A1 (es) Perfeccionamientos en perforadoras mecánicas para barrenar roca.
ES45066A1 (es) Mejoras en taladros mecánicos para perforar roca.
AU1762315B (en) Improvements in artesian boring machines
AU1650615B (en) Improvements in or connected with rock drilling machines
ES44708A1 (es) Mejoras en taladros para perforar roca.
ES61901A1 (es) Perfeccionamientos en las máquinas para perforar rocas.
AU423117B (en) Improvements in rock drills
CH74592A (de) Schrämm- und Gesteinbohrmaschine
AU1762315A (en) Improvements in artesian boring machines
AU1650615A (en) Improvements in or connected with rock drilling machines
CA164452A (en) Rock drill
CA166247A (en) Rock drill
CA171334A (en) Rock drill
CA166070A (en) Rock drill
ES67387A1 (es) Perfeccionamientos en herramientas para taladrar.
AU1609515B (en) Improvemetns in rock drills and coal cutting machines
ES67018A1 (es) Perfeccionamientos en las máquinas perforadoras de roca.
ES66179A1 (es) Perfeccionamientos en máquinas perforadoras de rocas.
CH71605A (de) Bohrmaschine
ES59753A1 (es) Una máquina para perforar rocas por el procedimiento de la trituración a fin de abrir galerías y túneles.
AU721712B (en) Improvements in rock drills
AU1591715B (en) Improvements in connexion with rock drills andthe like
AU1609515A (en) Improvemetns in rock drills and coal cutting machines
AU423117A (en) Improvements in rock drills