FR2071675A5 - - Google Patents

Info

Publication number
FR2071675A5
FR2071675A5 FR7032724A FR7032724A FR2071675A5 FR 2071675 A5 FR2071675 A5 FR 2071675A5 FR 7032724 A FR7032724 A FR 7032724A FR 7032724 A FR7032724 A FR 7032724A FR 2071675 A5 FR2071675 A5 FR 2071675A5
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.)
Expired
Application number
FR7032724A
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.)
Kloeckner Humboldt Deutz AG
Original Assignee
Kloeckner Humboldt Deutz AG
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 Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Application granted granted Critical
Publication of FR2071675A5 publication Critical patent/FR2071675A5/fr
Expired 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine

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)
  • Actuator (AREA)
FR7032724A 1969-11-15 1970-09-09 Expired FR2071675A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691957521 DE1957521A1 (de) 1969-11-15 1969-11-15 Schreitendes Ausbaugestell

Publications (1)

Publication Number Publication Date
FR2071675A5 true FR2071675A5 (fr) 1971-09-17

Family

ID=5751196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7032724A Expired FR2071675A5 (fr) 1969-11-15 1970-09-09

Country Status (4)

Country Link
BE (1) BE758430A (fr)
DE (1) DE1957521A1 (fr)
FR (1) FR2071675A5 (fr)
ZA (1) ZA705514B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490272A1 (fr) * 1980-09-13 1982-03-19 Gewerk Eisenhuette Westfalia Dispositif de ripage pour soutenement marchant, en particulier pour soutenement type bouclier ou type pile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490272A1 (fr) * 1980-09-13 1982-03-19 Gewerk Eisenhuette Westfalia Dispositif de ripage pour soutenement marchant, en particulier pour soutenement type bouclier ou type pile

Also Published As

Publication number Publication date
BE758430A (fr) 1971-04-16
DE1957521A1 (de) 1971-05-19
ZA705514B (en) 1971-04-28

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Legal Events

Date Code Title Description
ST Notification of lapse