FR495657A - - Google Patents

Info

Publication number
FR495657A
FR495657A FR495657DA FR495657A FR 495657 A FR495657 A FR 495657A FR 495657D A FR495657D A FR 495657DA FR 495657 A FR495657 A FR 495657A
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Auguste Schott
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.)
AUGUSTE SCHOTT
Original Assignee
AUGUSTE SCHOTT
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 AUGUSTE SCHOTT filed Critical AUGUSTE SCHOTT
Application granted granted Critical
Publication of FR495657A publication Critical patent/FR495657A/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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts

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)
FR495657D 1919-02-10 1919-02-10 Expired FR495657A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR495657T 1919-02-10

Publications (1)

Publication Number Publication Date
FR495657A true FR495657A (ja) 1919-10-15

Family

ID=1531175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR495657D Expired FR495657A (ja) 1919-02-10 1919-02-10

Country Status (1)

Country Link
FR (1) FR495657A (ja)

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