FR2022585A1 - - Google Patents

Info

Publication number
FR2022585A1
FR2022585A1 FR6937132A FR6937132A FR2022585A1 FR 2022585 A1 FR2022585 A1 FR 2022585A1 FR 6937132 A FR6937132 A FR 6937132A FR 6937132 A FR6937132 A FR 6937132A FR 2022585 A1 FR2022585 A1 FR 2022585A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6937132A
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.)
Gullick Dobson Ltd
Original Assignee
Gullick Dobson 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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Publication of FR2022585A1 publication Critical patent/FR2022585A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0095—Temporary supports at the driving front

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR6937132A 1968-11-05 1969-10-29 Withdrawn FR2022585A1 (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5229168 1968-11-05
GB327669 1969-01-21
GB4242469 1969-08-26

Publications (1)

Publication Number Publication Date
FR2022585A1 true FR2022585A1 (it) 1970-07-31

Family

ID=27254235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6937132A Withdrawn FR2022585A1 (it) 1968-11-05 1969-10-29

Country Status (1)

Country Link
FR (1) FR2022585A1 (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415720A1 (fr) * 1978-01-27 1979-08-24 Stephanois Constr Meca Soutenement de tracage a portance permanente
FR2420645A1 (fr) * 1978-03-24 1979-10-19 Ts Osrodek P Kon Soutenement marchant pour galeries de mines
FR2426799A1 (fr) * 1978-05-24 1979-12-21 Stafford Frank Ensemble de support mobile pour toit de mine comportant deux rangees d'etancons reunies par des traverses
FR2446377A1 (fr) * 1979-01-12 1980-08-08 Salzgitter Maschinen Ag Soutenement provisoire pendant les travaux de recoupage dans les galeries minieres

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415720A1 (fr) * 1978-01-27 1979-08-24 Stephanois Constr Meca Soutenement de tracage a portance permanente
FR2420645A1 (fr) * 1978-03-24 1979-10-19 Ts Osrodek P Kon Soutenement marchant pour galeries de mines
FR2426799A1 (fr) * 1978-05-24 1979-12-21 Stafford Frank Ensemble de support mobile pour toit de mine comportant deux rangees d'etancons reunies par des traverses
FR2446377A1 (fr) * 1979-01-12 1980-08-08 Salzgitter Maschinen Ag Soutenement provisoire pendant les travaux de recoupage dans les galeries minieres

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Legal Events

Date Code Title Description
ST Notification of lapse