GB1295903A - - Google Patents

Info

Publication number
GB1295903A
GB1295903A GB1295903DA GB1295903A GB 1295903 A GB1295903 A GB 1295903A GB 1295903D A GB1295903D A GB 1295903DA GB 1295903 A GB1295903 A GB 1295903A
Authority
GB
United Kingdom
Prior art keywords
core
sheath
wires
making
around
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 GB1295903A publication Critical patent/GB1295903A/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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Insulated Conductors (AREA)
GB1295903D 1969-03-18 1970-02-04 Expired GB1295903A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH403269A CH480152A (de) 1969-03-18 1969-03-18 Verfahren zur Herstellung eines Brennrohres

Publications (1)

Publication Number Publication Date
GB1295903A true GB1295903A (enExample) 1972-11-08

Family

ID=4268527

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295903D Expired GB1295903A (enExample) 1969-03-18 1970-02-04

Country Status (2)

Country Link
CH (1) CH480152A (enExample)
GB (1) GB1295903A (enExample)

Also Published As

Publication number Publication date
CH480152A (de) 1969-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee