FR1361408A - Pile for walking support - Google Patents

Pile for walking support

Info

Publication number
FR1361408A
FR1361408A FR930292A FR930292A FR1361408A FR 1361408 A FR1361408 A FR 1361408A FR 930292 A FR930292 A FR 930292A FR 930292 A FR930292 A FR 930292A FR 1361408 A FR1361408 A FR 1361408A
Authority
FR
France
Prior art keywords
pile
walking support
walking
support
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
FR930292A
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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 Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Priority to FR930292A priority Critical patent/FR1361408A/en
Application granted granted Critical
Publication of FR1361408A publication Critical patent/FR1361408A/en
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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)
FR930292A 1963-04-03 1963-04-03 Pile for walking support Expired FR1361408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR930292A FR1361408A (en) 1963-04-03 1963-04-03 Pile for walking support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR930292A FR1361408A (en) 1963-04-03 1963-04-03 Pile for walking support

Publications (1)

Publication Number Publication Date
FR1361408A true FR1361408A (en) 1964-05-22

Family

ID=8800808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930292A Expired FR1361408A (en) 1963-04-03 1963-04-03 Pile for walking support

Country Status (1)

Country Link
FR (1) FR1361408A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302411A (en) * 1963-07-02 1967-02-07 Rheinstahl Gmbh Wanheim Walking mine roof support
US3383865A (en) * 1965-12-03 1968-05-21 Mastabar Mining Equip Co Ltd Mine roof supports
DE1290906B (en) * 1964-11-26 1969-03-20 Gullick Ltd Wandering pit support for struts
DE1533726B1 (en) * 1966-03-24 1970-08-06 Electro Hydraulics Ltd Migrating hydraulic longwall mining

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302411A (en) * 1963-07-02 1967-02-07 Rheinstahl Gmbh Wanheim Walking mine roof support
US3328967A (en) * 1963-07-02 1967-07-04 Rheinstahl Wanheim Gmbh Walking mine roof support
DE1290906B (en) * 1964-11-26 1969-03-20 Gullick Ltd Wandering pit support for struts
US3383865A (en) * 1965-12-03 1968-05-21 Mastabar Mining Equip Co Ltd Mine roof supports
DE1533726B1 (en) * 1966-03-24 1970-08-06 Electro Hydraulics Ltd Migrating hydraulic longwall mining

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