FR2002432A1 - - Google Patents

Info

Publication number
FR2002432A1
FR2002432A1 FR6901365A FR6901365A FR2002432A1 FR 2002432 A1 FR2002432 A1 FR 2002432A1 FR 6901365 A FR6901365 A FR 6901365A FR 6901365 A FR6901365 A FR 6901365A FR 2002432 A1 FR2002432 A1 FR 2002432A1
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Withdrawn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
FR6901365A
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.)
HEMSCHEIDT MASCHINENFABR
Original Assignee
HEMSCHEIDT MASCHINENFABR
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 DE19681583799 external-priority patent/DE1583799B2/de
Application filed by HEMSCHEIDT MASCHINENFABR filed Critical HEMSCHEIDT MASCHINENFABR
Publication of FR2002432A1 publication Critical patent/FR2002432A1/fr
Withdrawn legal-status Critical Current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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E21D23/086—Details of fixing devices therefor

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)
FR6901365A 1968-02-23 1969-01-24 Withdrawn FR2002432A1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681583799 DE1583799B2 (de) 1968-02-23 1968-02-23 Verbindungselement zwischen hydraulischen ausbaueinheiten und dem strebfoerdermittel

Publications (1)

Publication Number Publication Date
FR2002432A1 true FR2002432A1 (ko) 1969-10-17

Family

ID=5679558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6901365A Withdrawn FR2002432A1 (ko) 1968-02-23 1969-01-24

Country Status (2)

Country Link
BE (1) BE727234A (ko)
FR (1) FR2002432A1 (ko)

Also Published As

Publication number Publication date
BE727234A (ko) 1969-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse