FR1040728A - Support amovible pour le toit de mines souterraines - Google Patents

Support amovible pour le toit de mines souterraines

Info

Publication number
FR1040728A
FR1040728A FR1040728DA FR1040728A FR 1040728 A FR1040728 A FR 1040728A FR 1040728D A FR1040728D A FR 1040728DA FR 1040728 A FR1040728 A FR 1040728A
Authority
FR
France
Prior art keywords
roof
removable support
underground mines
mines
underground
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
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.)
N J MUSCHAMP AND Co Ltd
Original Assignee
N J MUSCHAMP AND Co Ltd
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 N J MUSCHAMP AND Co Ltd filed Critical N J MUSCHAMP AND Co Ltd
Application granted granted Critical
Publication of FR1040728A publication Critical patent/FR1040728A/fr
Expired legal-status Critical Current

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
    • E21D15/60—Devices for withdrawing props or chocks

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)
FR1040728D 1951-04-23 1951-04-23 Support amovible pour le toit de mines souterraines Expired FR1040728A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1040728T 1951-04-23

Publications (1)

Publication Number Publication Date
FR1040728A true FR1040728A (fr) 1953-10-19

Family

ID=9589101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1040728D Expired FR1040728A (fr) 1951-04-23 1951-04-23 Support amovible pour le toit de mines souterraines

Country Status (1)

Country Link
FR (1) FR1040728A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855802A (en) * 1973-09-12 1974-12-24 G Alacchi Walking supporting pier for coal mines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855802A (en) * 1973-09-12 1974-12-24 G Alacchi Walking supporting pier for coal mines

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