FR2003881A1 - - Google Patents

Info

Publication number
FR2003881A1
FR2003881A1 FR6907087A FR6907087A FR2003881A1 FR 2003881 A1 FR2003881 A1 FR 2003881A1 FR 6907087 A FR6907087 A FR 6907087A FR 6907087 A FR6907087 A FR 6907087A FR 2003881 A1 FR2003881 A1 FR 2003881A1
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.)
Withdrawn
Application number
FR6907087A
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.)
HAMMER WILHELM FA
Original Assignee
HAMMER WILHELM FA
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
Priority claimed from DE19681608280 external-priority patent/DE1608280A1/de
Application filed by HAMMER WILHELM FA filed Critical HAMMER WILHELM FA
Publication of FR2003881A1 publication Critical patent/FR2003881A1/fr
Withdrawn legal-status Critical Current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
    • E21D15/50—Component parts or details of props
    • E21D15/52—Extensible units located above or below standard 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)
  • Clamps And Clips (AREA)
FR6907087A 1968-03-14 1969-03-13 Withdrawn FR2003881A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681608280 DE1608280A1 (de) 1968-03-14 1968-03-14 Vorrichtung fuer die Verlaengerung von Grubenstempeln

Publications (1)

Publication Number Publication Date
FR2003881A1 true FR2003881A1 (fr) 1969-11-14

Family

ID=5681510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6907087A Withdrawn FR2003881A1 (fr) 1968-03-14 1969-03-13

Country Status (2)

Country Link
FR (1) FR2003881A1 (fr)
GB (1) GB1217466A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136849B (en) * 1983-03-23 1986-06-25 Hsb Hydraulik Schlauchtechnik Method and equipment for controlling the floor of a gallery
CN110453736B (zh) * 2019-08-13 2024-04-12 浙江大学台州研究院 接触网支柱基坑开挖设备

Also Published As

Publication number Publication date
GB1217466A (en) 1970-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse