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FR729724A - Shaft sinking process and equipment to achieve it - Google Patents

Shaft sinking process and equipment to achieve it

Info

Publication number
FR729724A
FR729724A FR729724DA FR729724A FR 729724 A FR729724 A FR 729724A FR 729724D A FR729724D A FR 729724DA FR 729724 A FR729724 A FR 729724A
Authority
FR
France
Prior art keywords
achieve
equipment
sinking process
shaft sinking
shaft
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
French (fr)
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.)
COURTOT ET RONFORT
Original Assignee
COURTOT ET RONFORT
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 COURTOT ET RONFORT filed Critical COURTOT ET RONFORT
Application granted granted Critical
Publication of FR729724A publication Critical patent/FR729724A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/08—Sinking shafts while moving the lining downwards

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR729724D 1932-01-13 1932-01-13 Shaft sinking process and equipment to achieve it Expired FR729724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR729724T 1932-01-13

Publications (1)

Publication Number Publication Date
FR729724A true FR729724A (en) 1932-07-30

Family

ID=9112628

Family Applications (1)

Application Number Title Priority Date Filing Date
FR729724D Expired FR729724A (en) 1932-01-13 1932-01-13 Shaft sinking process and equipment to achieve it

Country Status (1)

Country Link
FR (1) FR729724A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293865A (en) * 1963-05-27 1966-12-27 Robert L Loofbourow System for lining large diameter bore holes
FR2288824A1 (en) * 1974-10-22 1976-05-21 Weiss Richard CUTTING KIT FOR CONSTRUCTION OF PIPES IN THE PUSH PROCESS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293865A (en) * 1963-05-27 1966-12-27 Robert L Loofbourow System for lining large diameter bore holes
FR2288824A1 (en) * 1974-10-22 1976-05-21 Weiss Richard CUTTING KIT FOR CONSTRUCTION OF PIPES IN THE PUSH PROCESS

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