FR948065A - étançon de mines en métal ou alliage léger - Google Patents

étançon de mines en métal ou alliage léger

Info

Publication number
FR948065A
FR948065A FR948065DA FR948065A FR 948065 A FR948065 A FR 948065A FR 948065D A FR948065D A FR 948065DA FR 948065 A FR948065 A FR 948065A
Authority
FR
France
Prior art keywords
metal
light alloy
mine prop
alloy mine
prop
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)
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.)
Entpr S Et De Materiel Ind S E
Original Assignee
Entpr S Et De Materiel Ind S E
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 Entpr S Et De Materiel Ind S E filed Critical Entpr S Et De Materiel Ind S E
Application granted granted Critical
Publication of FR948065A publication Critical patent/FR948065A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D17/00—Devices for indicating trouble during labour of animals ; Methods or instruments for detecting pregnancy-related states of animals
    • A61D17/008—Devices for indicating trouble during labour of animals ; Methods or instruments for detecting pregnancy-related states of animals for detecting birth of animals, e.g. parturition alarm
    • 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
    • E21D15/005—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pregnancy & Childbirth (AREA)
  • Animal Husbandry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Forging (AREA)
FR948065D 1947-05-31 1947-05-31 étançon de mines en métal ou alliage léger Expired FR948065A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR948065T 1947-05-31

Publications (1)

Publication Number Publication Date
FR948065A true FR948065A (fr) 1949-07-21

Family

ID=9473798

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948065D Expired FR948065A (fr) 1947-05-31 1947-05-31 étançon de mines en métal ou alliage léger

Country Status (3)

Country Link
BE (1) BE482491A (enrdf_load_stackoverflow)
DE (1) DE866933C (enrdf_load_stackoverflow)
FR (1) FR948065A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE705692C (de) * 1938-06-05 1941-05-07 Peter Thielmann Grubenstempel

Also Published As

Publication number Publication date
DE866933C (de) 1953-02-12
BE482491A (enrdf_load_stackoverflow) 1948-05-31

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