FR909255A - mine prop - Google Patents

mine prop

Info

Publication number
FR909255A
FR909255A FR909255DA FR909255A FR 909255 A FR909255 A FR 909255A FR 909255D A FR909255D A FR 909255DA FR 909255 A FR909255 A FR 909255A
Authority
FR
France
Prior art keywords
mine prop
prop
mine
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.)
Sabes & Cie
Original Assignee
Sabes & Cie
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 Sabes & Cie filed Critical Sabes & Cie
Application granted granted Critical
Publication of FR909255A publication Critical patent/FR909255A/en
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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
FR909255D 1944-10-04 1944-10-04 mine prop Expired FR909255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR909255T 1944-10-04

Publications (1)

Publication Number Publication Date
FR909255A true FR909255A (en) 1946-05-03

Family

ID=9407809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909255D Expired FR909255A (en) 1944-10-04 1944-10-04 mine prop

Country Status (1)

Country Link
FR (1) FR909255A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE942682C (en) * 1951-07-17 1956-05-03 Gutehoffnungshuette Sterkrade Pit stamp
DE975697C (en) * 1948-10-02 1962-05-24 Gutehoffnungshuette Sterkrade Lock frame for pit stamp
DE1166124B (en) * 1954-06-12 1964-03-26 Mannesmann Ag Wedge, especially cross wedge, for metal pit punches

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975697C (en) * 1948-10-02 1962-05-24 Gutehoffnungshuette Sterkrade Lock frame for pit stamp
DE942682C (en) * 1951-07-17 1956-05-03 Gutehoffnungshuette Sterkrade Pit stamp
DE1166124B (en) * 1954-06-12 1964-03-26 Mannesmann Ag Wedge, especially cross wedge, for metal pit punches

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