FR615272A - Outil à haver - Google Patents

Outil à haver

Info

Publication number
FR615272A
FR615272A FR615272DA FR615272A FR 615272 A FR615272 A FR 615272A FR 615272D A FR615272D A FR 615272DA FR 615272 A FR615272 A FR 615272A
Authority
FR
France
Prior art keywords
haver
tool
haver tool
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
Jakob Glaser
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 FR615272A publication Critical patent/FR615272A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E21C27/126—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with slitting and breaking-down members situated in parallel on an intermediary level

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR615272D 1925-06-26 1926-04-29 Outil à haver Expired FR615272A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE615272X 1925-06-26

Publications (1)

Publication Number Publication Date
FR615272A true FR615272A (fr) 1927-01-04

Family

ID=6576790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR615272D Expired FR615272A (fr) 1925-06-26 1926-04-29 Outil à haver

Country Status (1)

Country Link
FR (1) FR615272A (fr)

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