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FR1139390A - Perfectionnements aux machines haveuses et analogues - Google Patents

Perfectionnements aux machines haveuses et analogues

Info

Publication number
FR1139390A
FR1139390A FR1139390DA FR1139390A FR 1139390 A FR1139390 A FR 1139390A FR 1139390D A FR1139390D A FR 1139390DA FR 1139390 A FR1139390 A FR 1139390A
Authority
FR
France
Prior art keywords
cutting machines
machines
cutting
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
David Jackson
Raymond Hird
John Eric Mackay
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson Ltd
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 Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of FR1139390A publication Critical patent/FR1139390A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices

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)
FR1139390D 1955-11-10 1955-11-10 Perfectionnements aux machines haveuses et analogues Expired FR1139390A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1139390T 1955-11-10

Publications (1)

Publication Number Publication Date
FR1139390A true FR1139390A (fr) 1957-06-28

Family

ID=9641702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1139390D Expired FR1139390A (fr) 1955-11-10 1955-11-10 Perfectionnements aux machines haveuses et analogues

Country Status (1)

Country Link
FR (1) FR1139390A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1128382B (de) * 1959-08-25 1962-04-26 Eickhoff Geb Raeumgeraet fuer Walzenschraemmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1128382B (de) * 1959-08-25 1962-04-26 Eickhoff Geb Raeumgeraet fuer Walzenschraemmaschinen

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