FR2203019A1 - - Google Patents

Info

Publication number
FR2203019A1
FR2203019A1 FR7336456A FR7336456A FR2203019A1 FR 2203019 A1 FR2203019 A1 FR 2203019A1 FR 7336456 A FR7336456 A FR 7336456A FR 7336456 A FR7336456 A FR 7336456A FR 2203019 A1 FR2203019 A1 FR 2203019A1
Authority
FR
France
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.)
Granted
Application number
FR7336456A
Other languages
French (fr)
Other versions
FR2203019B3 (enEXAMPLES
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.)
Austin Hoy and Co Ltd
Original Assignee
Austin Hoy 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 Austin Hoy and Co Ltd filed Critical Austin Hoy and Co Ltd
Publication of FR2203019A1 publication Critical patent/FR2203019A1/fr
Application granted granted Critical
Publication of FR2203019B3 publication Critical patent/FR2203019B3/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
    • E21C35/19—Means for fixing picks or holders
    • 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

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
FR7336456A 1972-10-12 1973-10-12 Expired FR2203019B3 (enEXAMPLES)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4720272 1972-10-12

Publications (2)

Publication Number Publication Date
FR2203019A1 true FR2203019A1 (enEXAMPLES) 1974-05-10
FR2203019B3 FR2203019B3 (enEXAMPLES) 1976-09-03

Family

ID=10444119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336456A Expired FR2203019B3 (enEXAMPLES) 1972-10-12 1973-10-12

Country Status (2)

Country Link
DE (1) DE2349711A1 (enEXAMPLES)
FR (1) FR2203019B3 (enEXAMPLES)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0439821A1 (de) * 1990-02-01 1991-08-07 STAHL- UND APPARATEBAU HANS LEFFER GmbH Schneidkrone für Bohrrohre mit einfach auswechselbaren Zähnen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0439821A1 (de) * 1990-02-01 1991-08-07 STAHL- UND APPARATEBAU HANS LEFFER GmbH Schneidkrone für Bohrrohre mit einfach auswechselbaren Zähnen

Also Published As

Publication number Publication date
DE2349711A1 (de) 1974-05-02
FR2203019B3 (enEXAMPLES) 1976-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse