FR376498A - Perfectionnements aux haveuses - Google Patents

Perfectionnements aux haveuses

Info

Publication number
FR376498A
FR376498A FR376498DA FR376498A FR 376498 A FR376498 A FR 376498A FR 376498D A FR376498D A FR 376498DA FR 376498 A FR376498 A FR 376498A
Authority
FR
France
Prior art keywords
shearers
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
Frederick Wilson Hurd
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR376498A publication Critical patent/FR376498A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/06—Equipment for positioning the whole machine in relation to its sub-structure

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)
FR376498D 1906-10-30 1907-04-06 Perfectionnements aux haveuses Expired FR376498A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB376498X 1906-10-30

Publications (1)

Publication Number Publication Date
FR376498A true FR376498A (fr) 1907-08-10

Family

ID=1422990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR376498D Expired FR376498A (fr) 1906-10-30 1907-04-06 Perfectionnements aux haveuses

Country Status (1)

Country Link
FR (1) FR376498A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321038A1 (fr) * 1975-08-13 1977-03-11 Coal Industry Patents Ltd Machine d'abattage miniere

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321038A1 (fr) * 1975-08-13 1977-03-11 Coal Industry Patents Ltd Machine d'abattage miniere

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