ES344679A1 - Una maquina excavadora de tuneles. - Google Patents

Una maquina excavadora de tuneles.

Info

Publication number
ES344679A1
ES344679A1 ES344679A ES344679A ES344679A1 ES 344679 A1 ES344679 A1 ES 344679A1 ES 344679 A ES344679 A ES 344679A ES 344679 A ES344679 A ES 344679A ES 344679 A1 ES344679 A1 ES 344679A1
Authority
ES
Spain
Prior art keywords
machine
frames
translation
legally binding
google translate
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
ES344679A
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.)
Hughes Tool Co
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Priority to ES344679A priority Critical patent/ES344679A1/es
Publication of ES344679A1 publication Critical patent/ES344679A1/es
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
ES344679A 1967-09-01 1967-09-01 Una maquina excavadora de tuneles. Expired ES344679A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES344679A ES344679A1 (es) 1967-09-01 1967-09-01 Una maquina excavadora de tuneles.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES344679A ES344679A1 (es) 1967-09-01 1967-09-01 Una maquina excavadora de tuneles.

Publications (1)

Publication Number Publication Date
ES344679A1 true ES344679A1 (es) 1968-10-16

Family

ID=8446073

Family Applications (1)

Application Number Title Priority Date Filing Date
ES344679A Expired ES344679A1 (es) 1967-09-01 1967-09-01 Una maquina excavadora de tuneles.

Country Status (1)

Country Link
ES (1) ES344679A1 (es)

Similar Documents

Publication Publication Date Title
ES200818U (es) Una estructura de plataforma para realizar operaciones de perforacion y explotacion de pozos.
CH485915A (fr) Tête tournante pour machine de forage de tunnel en continu
CH516355A (fr) Machine-outil à sommier mobile commandé hydrauliquement
AT271549B (de) Messerkopf für Stollenbohr- und Streckenvortriebsmaschinen
ZA702667B (en) Hard rock tunneling machine
FR1513066A (fr) Mécanisme élargisseur de galeries applicable aux machines perforatrices
CH451990A (de) Schildvortriebsmaschine
CH448156A (fr) Machine pour le creusement de tunnels
CA918630A (en) Drilling machine for use in small tunnels
CA961514A (en) Boring auger for horizontal earth boring machine
ES326458A1 (es) Una disposicion de cabezas para armazones hidraulicos de entibacion corredizos.
ES344679A1 (es) Una maquina excavadora de tuneles.
AT269033B (de) Lenkvorrichtung für Stollenbohr- und -vortriebsmaschinen
SE391628B (sv) Matningsverk for tredskordemaskiner
ES320428A1 (es) Un dispositivo de apoyo del techo para explotaciones de extracciën subterraneas
CA832325A (en) Mechanism for widening galleries, applicable to drilling machines
ES346364A1 (es) Mejoras introducidas en maquinas agricolas con apero rota- tivo.
FR1212888A (fr) Machine de percement de galerie par avancement
BE744005A (fr) Machine a percer des tunnels
AT305346B (de) Maschine zum Tunnelvortrieb in weichem, unsicherem Gebirge
FR1521736A (fr) Perfectionnements aux machines pour le creusement de tunnels
GB1161719A (en) Tunnel Digging Machine
FR1460198A (fr) Joints de section arrière pour machines de forage des tunnels avec bouclier
FR1486298A (fr) Machine de percement de tunnels
CH430780A (de) Tunnelbohrmaschine