FR1341448A - Perfectionnements aux machines d'abatage de minerai - Google Patents

Perfectionnements aux machines d'abatage de minerai

Info

Publication number
FR1341448A
FR1341448A FR920142A FR920142A FR1341448A FR 1341448 A FR1341448 A FR 1341448A FR 920142 A FR920142 A FR 920142A FR 920142 A FR920142 A FR 920142A FR 1341448 A FR1341448 A FR 1341448A
Authority
FR
France
Prior art keywords
mining machines
ore mining
ore
machines
mining
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
FR920142A
Other languages
English (en)
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.)
ANDERSON
Anderson Boyes and Co Ltd
Original Assignee
ANDERSON
Anderson Boyes and Co 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 ANDERSON, Anderson Boyes and Co Ltd filed Critical ANDERSON
Priority to FR920142A priority Critical patent/FR1341448A/fr
Application granted granted Critical
Publication of FR1341448A publication Critical patent/FR1341448A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21C27/124—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 rotatable cutters provided with breaking-down members
FR920142A 1962-12-29 1962-12-29 Perfectionnements aux machines d'abatage de minerai Expired FR1341448A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR920142A FR1341448A (fr) 1962-12-29 1962-12-29 Perfectionnements aux machines d'abatage de minerai

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920142A FR1341448A (fr) 1962-12-29 1962-12-29 Perfectionnements aux machines d'abatage de minerai

Publications (1)

Publication Number Publication Date
FR1341448A true FR1341448A (fr) 1963-10-25

Family

ID=8793852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920142A Expired FR1341448A (fr) 1962-12-29 1962-12-29 Perfectionnements aux machines d'abatage de minerai

Country Status (1)

Country Link
FR (1) FR1341448A (fr)

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