FR2357725B3 - - Google Patents

Info

Publication number
FR2357725B3
FR2357725B3 FR7720914A FR7720914A FR2357725B3 FR 2357725 B3 FR2357725 B3 FR 2357725B3 FR 7720914 A FR7720914 A FR 7720914A FR 7720914 A FR7720914 A FR 7720914A FR 2357725 B3 FR2357725 B3 FR 2357725B3
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.)
Expired
Application number
FR7720914A
Other languages
French (fr)
Other versions
FR2357725A1 (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.)
Gullick Dobson Ltd
Original Assignee
Gullick Dobson 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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Publication of FR2357725A1 publication Critical patent/FR2357725A1/fr
Application granted granted Critical
Publication of FR2357725B3 publication Critical patent/FR2357725B3/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • 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
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1086—Drives or transmissions specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Shovels (AREA)
  • Braking Arrangements (AREA)
FR7720914A 1976-07-08 1977-07-07 Dispositif de montage pour outils a percussions Granted FR2357725A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28403/76A GB1585119A (en) 1976-07-08 1976-07-08 Tool mount

Publications (2)

Publication Number Publication Date
FR2357725A1 FR2357725A1 (fr) 1978-02-03
FR2357725B3 true FR2357725B3 (OSRAM) 1980-05-23

Family

ID=10275075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720914A Granted FR2357725A1 (fr) 1976-07-08 1977-07-07 Dispositif de montage pour outils a percussions

Country Status (6)

Country Link
AU (1) AU2661777A (OSRAM)
CA (1) CA1064060A (OSRAM)
DE (1) DE2730398C3 (OSRAM)
FR (1) FR2357725A1 (OSRAM)
GB (1) GB1585119A (OSRAM)
ZA (1) ZA774012B (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205124C1 (de) * 2002-02-07 2003-04-17 Dbt Gmbh Gewinnungsvorrichtung

Also Published As

Publication number Publication date
GB1585119A (en) 1981-02-25
DE2730398C3 (de) 1980-01-17
FR2357725A1 (fr) 1978-02-03
CA1064060A (en) 1979-10-09
AU2661777A (en) 1979-01-04
DE2730398B2 (de) 1979-05-17
ZA774012B (en) 1979-06-27
DE2730398A1 (de) 1978-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse