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FR980638A - Device for the extraction of mining products - Google Patents

Device for the extraction of mining products

Info

Publication number
FR980638A
FR980638A FR980638DA FR980638A FR 980638 A FR980638 A FR 980638A FR 980638D A FR980638D A FR 980638DA FR 980638 A FR980638 A FR 980638A
Authority
FR
France
Prior art keywords
extraction
mining products
mining
products
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.)
Huwood Mining Machinery Ltd &
Original Assignee
Huwood Mining Machinery 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 Huwood Mining Machinery Ltd & filed Critical Huwood Mining Machinery Ltd &
Application granted granted Critical
Publication of FR980638A publication Critical patent/FR980638A/en
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
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/46—Mineral freed by means not involving slitting by percussed planing means

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)
FR980638D 1948-02-12 1949-02-11 Device for the extraction of mining products Expired FR980638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB980638X 1948-02-12

Publications (1)

Publication Number Publication Date
FR980638A true FR980638A (en) 1951-05-16

Family

ID=10829226

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980638D Expired FR980638A (en) 1948-02-12 1949-02-11 Device for the extraction of mining products

Country Status (1)

Country Link
FR (1) FR980638A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791411A (en) * 1950-06-28 1957-05-07 Gewerk Eisenhuette Westfalia Mining machine with side cutting disk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791411A (en) * 1950-06-28 1957-05-07 Gewerk Eisenhuette Westfalia Mining machine with side cutting disk

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