FR1192133A - hydraulic support element and in particular prop for mine gallery - Google Patents

hydraulic support element and in particular prop for mine gallery

Info

Publication number
FR1192133A
FR1192133A FR1192133DA FR1192133A FR 1192133 A FR1192133 A FR 1192133A FR 1192133D A FR1192133D A FR 1192133DA FR 1192133 A FR1192133 A FR 1192133A
Authority
FR
France
Prior art keywords
support element
hydraulic support
mine gallery
particular prop
prop
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.)
IND HYDRAULIK AB
Original Assignee
IND HYDRAULIK AB
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 IND HYDRAULIK AB filed Critical IND HYDRAULIK AB
Application granted granted Critical
Publication of FR1192133A publication Critical patent/FR1192133A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
FR1192133D 1955-04-25 1956-04-25 hydraulic support element and in particular prop for mine gallery Expired FR1192133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE794547X 1955-04-25

Publications (1)

Publication Number Publication Date
FR1192133A true FR1192133A (en) 1959-10-23

Family

ID=20339739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1192133D Expired FR1192133A (en) 1955-04-25 1956-04-25 hydraulic support element and in particular prop for mine gallery

Country Status (5)

Country Link
BE (1) BE547272A (en)
DE (1) DE1001956B (en)
FR (1) FR1192133A (en)
GB (1) GB794547A (en)
LU (1) LU34334A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252680A (en) * 1962-08-21 1966-05-24 Electro Hydraulics Ltd Roof supports

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE568439A (en) * 1957-06-11
DE1135399B (en) * 1958-09-13 1962-08-30 Hermann Schwarz Kommanditgesel Pressure medium operated pit support element
DE1082212B (en) * 1958-12-31 1960-05-25 Bwg Bergwerk Walzwerk Ventilation valve for hydraulic pit rams
DE1191776B (en) * 1962-04-09 1965-04-29 Kloeckner Werke Ag Hydraulic pit ram
BE635501A (en) * 1962-07-27 1964-01-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252680A (en) * 1962-08-21 1966-05-24 Electro Hydraulics Ltd Roof supports

Also Published As

Publication number Publication date
BE547272A (en)
DE1001956B (en) 1957-02-07
LU34334A1 (en)
GB794547A (en) 1958-05-07

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