FR463956A - - Google Patents

Info

Publication number
FR463956A
FR463956A FR463956DA FR463956A FR 463956 A FR463956 A FR 463956A FR 463956D A FR463956D A FR 463956DA FR 463956 A FR463956 A FR 463956A
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)
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.)
Publication date
Application granted granted Critical
Publication of FR463956A publication Critical patent/FR463956A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/52—Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22

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)
  • Knives (AREA)
FR463956D 1912-10-31 Expired FR463956A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE191324707X 1912-10-31

Publications (1)

Publication Number Publication Date
FR463956A true FR463956A (zh) 1900-01-01

Family

ID=32513663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR463956D Expired FR463956A (zh) 1912-10-31

Country Status (2)

Country Link
FR (1) FR463956A (zh)
GB (1) GB191324707A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430364A (en) * 1944-08-30 1947-11-04 Peale Richard Apparatus for mining and loading coal
DE1168365B (de) * 1960-01-14 1964-04-23 Eickhoff Geb Mit Schraemwalzen ausgeruestete Gewinnungsmaschine fuer den Abbau in beiden Fahrtrichtungen
US3329467A (en) * 1965-01-29 1967-07-04 Westinghouse Air Brake Co Mining machine having ripper drum between spaced boring heads

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699327A (en) * 1949-10-19 1955-01-11 Goodman Mfg Co Mining head for cutting and dislodging coal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430364A (en) * 1944-08-30 1947-11-04 Peale Richard Apparatus for mining and loading coal
DE1168365B (de) * 1960-01-14 1964-04-23 Eickhoff Geb Mit Schraemwalzen ausgeruestete Gewinnungsmaschine fuer den Abbau in beiden Fahrtrichtungen
US3329467A (en) * 1965-01-29 1967-07-04 Westinghouse Air Brake Co Mining machine having ripper drum between spaced boring heads

Also Published As

Publication number Publication date
GB191324707A (en) 1914-03-12

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