GB1257885A - - Google Patents

Info

Publication number
GB1257885A
GB1257885A GB1257885DA GB1257885A GB 1257885 A GB1257885 A GB 1257885A GB 1257885D A GB1257885D A GB 1257885DA GB 1257885 A GB1257885 A GB 1257885A
Authority
GB
United Kingdom
Prior art keywords
lance
duct
bars
cross
feb
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
Other languages
English (en)
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
Publication of GB1257885A publication Critical patent/GB1257885A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/14—Drilling by use of heat, e.g. flame drilling
    • E21B7/146—Thermal lances

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Spray-Type Burners (AREA)
GB1257885D 1969-02-25 1970-02-23 Expired GB1257885A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH282269A CH503562A (de) 1969-02-25 1969-02-25 Vorrichtung zum Brennen von Löchern in Beton, Mauerwerk, Gestein oder Metall

Publications (1)

Publication Number Publication Date
GB1257885A true GB1257885A (enExample) 1971-12-22

Family

ID=4242364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257885D Expired GB1257885A (enExample) 1969-02-25 1970-02-23

Country Status (13)

Country Link
US (1) US3623437A (enExample)
JP (1) JPS5013721B1 (enExample)
AT (1) AT291836B (enExample)
BR (1) BR7016966D0 (enExample)
CH (1) CH503562A (enExample)
DE (1) DE2007278A1 (enExample)
DK (1) DK122043B (enExample)
FR (1) FR2035724A5 (enExample)
GB (1) GB1257885A (enExample)
IL (1) IL33905A (enExample)
NL (1) NL7002640A (enExample)
NO (1) NO124910B (enExample)
SE (1) SE348519B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190121A (en) * 1976-02-20 1980-02-26 Messerschmitt-Bolkow-Blohm Gmbh Thermal drilling device
US4184239A (en) * 1976-03-11 1980-01-22 Clawson Roger B Method of working an adjustable sprinkler head
JPS5414288U (enExample) * 1977-06-30 1979-01-30
JPS5414289U (enExample) * 1977-06-30 1979-01-30
JPS5414291U (enExample) * 1977-06-30 1979-01-30
JPS5414287U (enExample) * 1977-06-30 1979-01-30
JPS5414290U (enExample) * 1977-06-30 1979-01-30
US4962891A (en) * 1988-12-06 1990-10-16 The Boc Group, Inc. Apparatus for removing small particles from a substrate

Also Published As

Publication number Publication date
NL7002640A (enExample) 1970-08-27
FR2035724A5 (enExample) 1970-12-18
AT291836B (de) 1971-07-26
NO124910B (enExample) 1972-06-26
US3623437A (en) 1971-11-30
BR7016966D0 (pt) 1973-02-01
JPS5013721B1 (enExample) 1975-05-22
IL33905A0 (en) 1970-04-20
DE2007278A1 (enExample) 1971-04-01
CH503562A (de) 1971-02-28
SE348519B (enExample) 1972-09-04
DK122043B (da) 1972-01-10
IL33905A (en) 1972-12-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee