FR858244A - Poteau de mine compressible - Google Patents

Poteau de mine compressible

Info

Publication number
FR858244A
FR858244A FR858244DA FR858244A FR 858244 A FR858244 A FR 858244A FR 858244D A FR858244D A FR 858244DA FR 858244 A FR858244 A FR 858244A
Authority
FR
France
Prior art keywords
compressible
mine post
mine
post
compressible 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
English (en)
Inventor
Albert Wette Junior
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 filed Critical
Application granted granted Critical
Publication of FR858244A publication Critical patent/FR858244A/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
    • E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
    • E21D15/325—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring by a clamping ring

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)
FR858244D 1939-07-25 1939-07-25 Poteau de mine compressible Expired FR858244A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858244T 1939-07-25

Publications (1)

Publication Number Publication Date
FR858244A true FR858244A (fr) 1940-11-20

Family

ID=9329847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858244D Expired FR858244A (fr) 1939-07-25 1939-07-25 Poteau de mine compressible

Country Status (1)

Country Link
FR (1) FR858244A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124833A1 (fr) 2010-04-07 2011-10-13 Arkema France Copolymere a blocs issu de matieres renouvelables et procede de fabrication d'un tel copolymere a blocs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124833A1 (fr) 2010-04-07 2011-10-13 Arkema France Copolymere a blocs issu de matieres renouvelables et procede de fabrication d'un tel copolymere a blocs
EP3085725A1 (fr) 2010-04-07 2016-10-26 Arkema France Copolymère à blocs issu de matières renouvelables et procédé de fabrication d'un tel copolymère à blocs

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