MX152214A - Mejoras en gato de tajo largo - Google Patents

Mejoras en gato de tajo largo

Info

Publication number
MX152214A
MX152214A MX18562481A MX18562481A MX152214A MX 152214 A MX152214 A MX 152214A MX 18562481 A MX18562481 A MX 18562481A MX 18562481 A MX18562481 A MX 18562481A MX 152214 A MX152214 A MX 152214A
Authority
MX
Mexico
Prior art keywords
cats
long
Prior art date
Application number
MX18562481A
Other languages
English (en)
Inventor
Nicholas Chlumecky
Arthur Williams
Original Assignee
Commercial Shearing
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 Commercial Shearing filed Critical Commercial Shearing
Publication of MX152214A publication Critical patent/MX152214A/es

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Actuator (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
MX18562481A 1980-01-21 1981-01-20 Mejoras en gato de tajo largo MX152214A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11410880A 1980-01-21 1980-01-21

Publications (1)

Publication Number Publication Date
MX152214A true MX152214A (es) 1985-06-10

Family

ID=22353397

Family Applications (1)

Application Number Title Priority Date Filing Date
MX18562481A MX152214A (es) 1980-01-21 1981-01-20 Mejoras en gato de tajo largo

Country Status (5)

Country Link
CA (1) CA1158226A (es)
DE (1) DE3101849A1 (es)
FR (1) FR2474112B1 (es)
GB (1) GB2069048B (es)
MX (1) MX152214A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963706A (zh) * 2015-07-10 2015-10-07 常州市龙润机械有限公司 一种煤矿井下支护装置及支护方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB720361A (en) * 1952-11-22 1954-12-15 Gullick Ltd Improvements in or relating to hydraulic pit props, hydraulic jacks and the like
NL191038A (es) * 1953-09-24 1900-01-01
FR1280684A (fr) * 1960-11-22 1962-01-08 Sagem étançon hydraulique
FR1321725A (fr) * 1961-04-20 1963-03-22 Bochumer Eisen Heintzmann Perfectionnements apportés aux étançons hydrauliques pour mines
GB970917A (en) * 1962-11-20 1964-09-23 Hans Joe Rheinbay Hydraulic pit prop
GB1342741A (es) * 1970-01-24 1974-01-03
DE2022514C3 (de) * 1970-05-08 1974-02-07 Josef Haamann Hebe- Und Transporttechnik, 6982 Freudenberg Hydraulisch betätigter Hebebock

Also Published As

Publication number Publication date
FR2474112B1 (fr) 1985-10-25
GB2069048B (en) 1984-06-06
CA1158226A (en) 1983-12-06
GB2069048A (en) 1981-08-19
FR2474112A1 (fr) 1981-07-24
DE3101849A1 (de) 1982-01-14

Similar Documents

Publication Publication Date Title
BE889246A (fr) Paneelconstructie en dragers daarvoor
TR21246A (tr) Herbisit @zellikte s*lfonamidler
TR20923A (tr) Izoksazolilbenzamidler
TR21357A (tr) Herbisit @zellikte s*lfamatlar
TR21392A (tr) Herbisit @zellikte o-alkils*lfoniloksi-ve o-alkils*lfonil aminobenzensulfonamidler
ES502626A0 (es) Perfeccionamientos en hidrociclones
ES504604A0 (es) Perfeccionamientos en elementos de fijacion
MX151150A (es) Mejoras en herramienta accionada con polvora
BR8104198A (pt) Dispositivo em radiosondas
MX152214A (es) Mejoras en gato de tajo largo
BR8005131A (pt) Melhoramentos em micro-destilaria
BR8007114A (pt) Aperfeicoamentos em bracadeira
BR6001697U (pt) Aperfeicoamentos em bracadeira
AR221167A1 (es) Mejoras en calzoncillos
ES249633Y (es) Perfeccionamientos en aprieta-terminales
ES252301Y (es) Perfeccionamientos en ballestas
BR8002713A (pt) Aperfeicoamento em serrote
AR218194A1 (es) Mejoras en marbetes identificatorios
BR6000957U (pt) Aperfeicoamento em reco-reco
AR225316A1 (es) Mejoras en dispositivos cubre-surcos
AR219659A1 (es) Mejoras en cerramientos
ES249513Y (es) Perfeccionamientos en maquinas de oxicorte
AR219031A1 (es) Mejoras en resectoscopios
BR8001251A (pt) Aperfeicoamento introduzido em capachos
BR8000443A (pt) Aperfeicoamento introduzido em sifao