FR1114347A - Tête de haveuse ou tarière perfectionnée - Google Patents

Tête de haveuse ou tarière perfectionnée

Info

Publication number
FR1114347A
FR1114347A FR1114347DA FR1114347A FR 1114347 A FR1114347 A FR 1114347A FR 1114347D A FR1114347D A FR 1114347DA FR 1114347 A FR1114347 A FR 1114347A
Authority
FR
France
Prior art keywords
chopper
advanced
auger head
auger
head
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)
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.)
JOY SULLIVAN Ltd
Original Assignee
JOY SULLIVAN 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 JOY SULLIVAN Ltd filed Critical JOY SULLIVAN Ltd
Application granted granted Critical
Publication of FR1114347A publication Critical patent/FR1114347A/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
    • E21C25/58—Machines slitting by drilling hole on hole

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)
  • Earth Drilling (AREA)
FR1114347D 1953-08-24 1954-08-17 Tête de haveuse ou tarière perfectionnée Expired FR1114347A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2326353A GB741904A (en) 1953-08-24 1953-08-24 An improved cutter head for a mineral-mining or earth-boring machine

Publications (1)

Publication Number Publication Date
FR1114347A true FR1114347A (fr) 1956-04-11

Family

ID=10192825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1114347D Expired FR1114347A (fr) 1953-08-24 1954-08-17 Tête de haveuse ou tarière perfectionnée

Country Status (4)

Country Link
BE (1) BE531326A (enrdf_load_stackoverflow)
DE (1) DE963323C (enrdf_load_stackoverflow)
FR (1) FR1114347A (enrdf_load_stackoverflow)
GB (1) GB741904A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954219A (en) * 1958-02-28 1960-09-27 Joy Mfg Co Screw wedge burster

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2250670A (en) * 1939-01-20 1941-07-29 Joy Mfg Co Drilling apparatus
US2399074A (en) * 1945-06-13 1946-04-23 Charles E Tibbals Breaking down mechanism

Also Published As

Publication number Publication date
DE963323C (de) 1957-05-09
GB741904A (en) 1955-12-14
BE531326A (enrdf_load_stackoverflow)

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