FR2264247B3 - - Google Patents

Info

Publication number
FR2264247B3
FR2264247B3 FR7409590A FR7409590A FR2264247B3 FR 2264247 B3 FR2264247 B3 FR 2264247B3 FR 7409590 A FR7409590 A FR 7409590A FR 7409590 A FR7409590 A FR 7409590A FR 2264247 B3 FR2264247 B3 FR 2264247B3
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
FR7409590A
Other versions
FR2264247A1 (en
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.)
PLEVEN GICQUEL SARL GRANITS
Original Assignee
PLEVEN GICQUEL SARL GRANITS
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 PLEVEN GICQUEL SARL GRANITS filed Critical PLEVEN GICQUEL SARL GRANITS
Priority to FR7409590A priority Critical patent/FR2264247A1/fr
Publication of FR2264247A1 publication Critical patent/FR2264247A1/fr
Application granted granted Critical
Publication of FR2264247B3 publication Critical patent/FR2264247B3/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/02—Disposition of air supply not passing through burner
    • F23C7/06—Disposition of air supply not passing through burner for heating the incoming air
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/08—Cooling thereof; Tube walls
    • F23M5/085—Cooling thereof; Tube walls using air or other gas as the cooling medium

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Gas Burners (AREA)
FR7409590A 1974-03-14 1974-03-14 Cutting torch for granite - has venturi outlet at combustion chamber outlet Granted FR2264247A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7409590A FR2264247A1 (en) 1974-03-14 1974-03-14 Cutting torch for granite - has venturi outlet at combustion chamber outlet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7409590A FR2264247A1 (en) 1974-03-14 1974-03-14 Cutting torch for granite - has venturi outlet at combustion chamber outlet

Publications (2)

Publication Number Publication Date
FR2264247A1 FR2264247A1 (en) 1975-10-10
FR2264247B3 true FR2264247B3 (fr) 1977-01-07

Family

ID=9136631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7409590A Granted FR2264247A1 (en) 1974-03-14 1974-03-14 Cutting torch for granite - has venturi outlet at combustion chamber outlet

Country Status (1)

Country Link
FR (1) FR2264247A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2761457B1 (fr) * 1997-03-28 1999-05-14 Soudure Autogene Francaise Chalumeau monodard a premelange de debit superieur a 1000 litres/heure

Also Published As

Publication number Publication date
FR2264247A1 (en) 1975-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse