FR556855A - Method and device for the extraction of soft materials - Google Patents

Method and device for the extraction of soft materials

Info

Publication number
FR556855A
FR556855A FR556855DA FR556855A FR 556855 A FR556855 A FR 556855A FR 556855D A FR556855D A FR 556855DA FR 556855 A FR556855 A FR 556855A
Authority
FR
France
Prior art keywords
extraction
soft materials
soft
materials
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.)
Compagnie Ingersoll Rand
Original Assignee
Compagnie Ingersoll Rand
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 Compagnie Ingersoll Rand filed Critical Compagnie Ingersoll Rand
Application granted granted Critical
Publication of FR556855A publication Critical patent/FR556855A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/22—Hand tools or hand-held power-operated tools specially adapted for dislodging minerals

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)
FR556855D 1922-10-03 1922-10-03 Method and device for the extraction of soft materials Expired FR556855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR556855T 1922-10-03

Publications (1)

Publication Number Publication Date
FR556855A true FR556855A (en) 1923-07-28

Family

ID=8940434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR556855D Expired FR556855A (en) 1922-10-03 1922-10-03 Method and device for the extraction of soft materials

Country Status (1)

Country Link
FR (1) FR556855A (en)

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