FR1426731A - Improvements made to mine roof supports and similar - Google Patents

Improvements made to mine roof supports and similar

Info

Publication number
FR1426731A
FR1426731A FR9695A FR9695A FR1426731A FR 1426731 A FR1426731 A FR 1426731A FR 9695 A FR9695 A FR 9695A FR 9695 A FR9695 A FR 9695A FR 1426731 A FR1426731 A FR 1426731A
Authority
FR
France
Prior art keywords
similar
improvements made
mine roof
roof supports
supports
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
FR9695A
Other languages
French (fr)
Inventor
Thomas Pollard
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 Ltd
Original Assignee
Gullick 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 Ltd filed Critical Gullick Ltd
Priority to FR9695A priority Critical patent/FR1426731A/en
Application granted granted Critical
Publication of FR1426731A publication Critical patent/FR1426731A/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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0043—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by two or more rows of struts parallel to the working face

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)
FR9695A 1965-03-18 1965-03-18 Improvements made to mine roof supports and similar Expired FR1426731A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9695A FR1426731A (en) 1965-03-18 1965-03-18 Improvements made to mine roof supports and similar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9695A FR1426731A (en) 1965-03-18 1965-03-18 Improvements made to mine roof supports and similar

Publications (1)

Publication Number Publication Date
FR1426731A true FR1426731A (en) 1966-01-28

Family

ID=8574259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9695A Expired FR1426731A (en) 1965-03-18 1965-03-18 Improvements made to mine roof supports and similar

Country Status (1)

Country Link
FR (1) FR1426731A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1483919B1 (en) * 1966-05-20 1970-02-12 Wilhelm Hammer Gesenkschmiede Base plate for pit stamp
US3523424A (en) * 1968-11-25 1970-08-11 Gullick Ltd Mine roof supports
FR2156656A1 (en) * 1971-10-02 1973-06-01 Gewerk Eisenhuette Westfalia
FR2366441A1 (en) * 1976-10-02 1978-04-28 Gewerk Eisenhuette Westfalia SHIELD SUPPORT CHASSIS
FR2415739A1 (en) * 1978-01-30 1979-08-24 Gewerk Eisenhuette Westfalia SEPARABLE ARTICULATED COUPLING DEVICE FOR BOTTOM MINING

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1483919B1 (en) * 1966-05-20 1970-02-12 Wilhelm Hammer Gesenkschmiede Base plate for pit stamp
US3523424A (en) * 1968-11-25 1970-08-11 Gullick Ltd Mine roof supports
FR2156656A1 (en) * 1971-10-02 1973-06-01 Gewerk Eisenhuette Westfalia
FR2366441A1 (en) * 1976-10-02 1978-04-28 Gewerk Eisenhuette Westfalia SHIELD SUPPORT CHASSIS
FR2415739A1 (en) * 1978-01-30 1979-08-24 Gewerk Eisenhuette Westfalia SEPARABLE ARTICULATED COUPLING DEVICE FOR BOTTOM MINING

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