FR1483463A - Foret de havage à affûtage automatique et son bloc de montage - Google Patents

Foret de havage à affûtage automatique et son bloc de montage

Info

Publication number
FR1483463A
FR1483463A FR65661A FR65661A FR1483463A FR 1483463 A FR1483463 A FR 1483463A FR 65661 A FR65661 A FR 65661A FR 65661 A FR65661 A FR 65661A FR 1483463 A FR1483463 A FR 1483463A
Authority
FR
France
Prior art keywords
self
drill bit
mounting block
sharpening drill
sharpening
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
FR65661A
Other languages
English (en)
Inventor
Gerald Wayne Elders
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 filed Critical
Priority to FR65661A priority Critical patent/FR1483463A/fr
Application granted granted Critical
Publication of FR1483463A publication Critical patent/FR1483463A/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
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • 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
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders

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)
FR65661A 1966-06-15 1966-06-15 Foret de havage à affûtage automatique et son bloc de montage Expired FR1483463A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR65661A FR1483463A (fr) 1966-06-15 1966-06-15 Foret de havage à affûtage automatique et son bloc de montage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR65661A FR1483463A (fr) 1966-06-15 1966-06-15 Foret de havage à affûtage automatique et son bloc de montage

Publications (1)

Publication Number Publication Date
FR1483463A true FR1483463A (fr) 1967-06-02

Family

ID=8611054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR65661A Expired FR1483463A (fr) 1966-06-15 1966-06-15 Foret de havage à affûtage automatique et son bloc de montage

Country Status (1)

Country Link
FR (1) FR1483463A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219996A1 (fr) * 1973-03-01 1974-09-27 Kennametal Inc
US5201569A (en) * 1991-03-06 1993-04-13 Jaedke Juergen Mounting for receiving a mining pick bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219996A1 (fr) * 1973-03-01 1974-09-27 Kennametal Inc
US5201569A (en) * 1991-03-06 1993-04-13 Jaedke Juergen Mounting for receiving a mining pick bit

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