NO131359B - - Google Patents

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Info

Publication number
NO131359B
NO131359B NO2089/71A NO208971A NO131359B NO 131359 B NO131359 B NO 131359B NO 2089/71 A NO2089/71 A NO 2089/71A NO 208971 A NO208971 A NO 208971A NO 131359 B NO131359 B NO 131359B
Authority
NO
Norway
Prior art keywords
foam
alcohol
antifoam
approx
ethylene oxide
Prior art date
Application number
NO2089/71A
Other languages
English (en)
Norwegian (no)
Other versions
NO131359C (sv
Inventor
R F Taylor
Original Assignee
Anglo Transvaal Cons Invest
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 Cons Invest filed Critical Anglo Transvaal Cons Invest
Publication of NO131359B publication Critical patent/NO131359B/no
Publication of NO131359C publication Critical patent/NO131359C/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10Making by using boring or cutting machines
    • E21D9/106Making by using boring or cutting machines with percussive tools, e.g. pick-hammers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S37/00Excavating
    • Y10S37/904Vibration 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)
NO712089A 1970-06-04 1971-06-03 NO131359C (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 (2)

Publication Number Publication Date
NO131359B true NO131359B (sv) 1975-02-03
NO131359C NO131359C (sv) 1975-05-14

Family

ID=66474574

Family Applications (1)

Application Number Title Priority Date Filing Date
NO712089A NO131359C (sv) 1970-06-04 1971-06-03

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
GB1332543A (en) 1973-10-03
DE2127390A1 (de) 1972-02-17
US3743033A (en) 1973-07-03
FR2095937A5 (sv) 1972-02-11
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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