FR2139196A1 - - Google Patents

Info

Publication number
FR2139196A1
FR2139196A1 FR7219185A FR7219185A FR2139196A1 FR 2139196 A1 FR2139196 A1 FR 2139196A1 FR 7219185 A FR7219185 A FR 7219185A FR 7219185 A FR7219185 A FR 7219185A FR 2139196 A1 FR2139196 A1 FR 2139196A1
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.)
Granted
Application number
FR7219185A
Other languages
French (fr)
Other versions
FR2139196B1 (Direct
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 Werke AG
Original Assignee
Kloeckner Werke 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 Werke AG filed Critical Kloeckner Werke AG
Publication of FR2139196A1 publication Critical patent/FR2139196A1/fr
Application granted granted Critical
Publication of FR2139196B1 publication Critical patent/FR2139196B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Forging (AREA)
  • Press Drives And Press Lines (AREA)
FR7219185A 1971-05-27 1972-05-29 Expired FR2139196B1 (Direct)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712126314 DE2126314B2 (de) 1971-05-27 1971-05-27 Hydraulischer doppelstuetzstempel fuer den bergbau

Publications (2)

Publication Number Publication Date
FR2139196A1 true FR2139196A1 (Direct) 1973-01-05
FR2139196B1 FR2139196B1 (Direct) 1977-06-17

Family

ID=5809058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7219185A Expired FR2139196B1 (Direct) 1971-05-27 1972-05-29

Country Status (3)

Country Link
BE (1) BE784015A (Direct)
DE (1) DE2126314B2 (Direct)
FR (1) FR2139196B1 (Direct)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101994514B (zh) * 2010-11-10 2014-10-15 李其明 一种双向液压支腿杆
CN111173545B (zh) * 2020-03-07 2024-06-14 陕西陕煤韩城矿业有限公司 一种用于两件式单体液压支柱的复位装置及其安装方法

Also Published As

Publication number Publication date
DE2126314B2 (de) 1976-12-23
DE2126314A1 (de) 1972-12-14
FR2139196B1 (Direct) 1977-06-17
BE784015A (fr) 1972-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse