FR2095937A5 - - Google Patents

Info

Publication number
FR2095937A5
FR2095937A5 FR7120330A FR7120330A FR2095937A5 FR 2095937 A5 FR2095937 A5 FR 2095937A5 FR 7120330 A FR7120330 A FR 7120330A FR 7120330 A FR7120330 A FR 7120330A FR 2095937 A5 FR2095937 A5 FR 2095937A5
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
FR7120330A
Other languages
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.)
Anglo Transvaal Consolidated Investment Co Ltd
Original Assignee
Anglo Transvaal Consolidated Investment 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 Anglo Transvaal Consolidated Investment Co Ltd filed Critical Anglo Transvaal Consolidated Investment Co Ltd
Application granted granted Critical
Publication of FR2095937A5 publication Critical patent/FR2095937A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S37/00—Excavating
    • Y10S37/904—Vibration means for excavating tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Paper (AREA)
FR7120330A 1970-06-04 1971-06-04 Expired FR2095937A5 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA703787A ZA703787B (en) 1970-06-04 1970-06-04 Improvements in rotary driven rock cutting equipment

Publications (1)

Publication Number Publication Date
FR2095937A5 true FR2095937A5 (sv) 1972-02-11

Family

ID=66474574

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7120330A Expired FR2095937A5 (sv) 1970-06-04 1971-06-04

Country Status (9)

Country Link
US (1) US3743033A (sv)
CA (1) CA938308A (sv)
CH (1) CH525069A (sv)
DE (1) DE2127390A1 (sv)
FR (1) FR2095937A5 (sv)
GB (1) GB1332543A (sv)
NO (1) NO131359C (sv)
SE (2) SE384714B (sv)
ZA (1) ZA703787B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503340B2 (de) * 1975-01-28 1978-09-21 Wirth Co Kg Masch Bohr Verfahren und Vorrichtung zur Antriebssteuerung von Bohrköpfen, insbesondere für Großlochbohrmaschinen
US4900093A (en) * 1986-11-10 1990-02-13 Caterpillar Inc. Impact ripper and control
US6203113B1 (en) * 1997-12-09 2001-03-20 Nick Wendel Cutting drum with percussive bits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1283618A (en) * 1917-03-15 1918-11-05 Oliver Oscar App Excavating-machine.
US1552909A (en) * 1922-05-22 1925-09-08 Brown Harry Lewis Mining machine
US1579840A (en) * 1925-04-01 1926-04-06 Fjeldbor As Rotating hammer
US2829633A (en) * 1957-01-22 1958-04-08 Kaydon Engineering Corp Demolition device
US3397916A (en) * 1964-12-14 1968-08-20 Maruta Seiichi Rock crushing apparatus

Also Published As

Publication number Publication date
NO131359C (sv) 1975-05-14
NO131359B (sv) 1975-02-03
GB1332543A (en) 1973-10-03
DE2127390A1 (de) 1972-02-17
US3743033A (en) 1973-07-03
CA938308A (en) 1973-12-11
SE7107200L (sv) 1971-12-06
SE384714B (sv) 1976-05-17
CH525069A (de) 1972-07-15
ZA703787B (en) 1971-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse