FR648223A - Device to protect chimneys and improve their draft - Google Patents

Device to protect chimneys and improve their draft

Info

Publication number
FR648223A
FR648223A FR648223DA FR648223A FR 648223 A FR648223 A FR 648223A FR 648223D A FR648223D A FR 648223DA FR 648223 A FR648223 A FR 648223A
Authority
FR
France
Prior art keywords
chimneys
draft
protect
improve
protect chimneys
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
French (fr)
Inventor
Roger Vincent
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
Application granted granted Critical
Publication of FR648223A publication Critical patent/FR648223A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR648223D 1928-02-04 1928-02-04 Device to protect chimneys and improve their draft Expired FR648223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR648223T 1928-02-04

Publications (1)

Publication Number Publication Date
FR648223A true FR648223A (en) 1928-12-06

Family

ID=9002544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR648223D Expired FR648223A (en) 1928-02-04 1928-02-04 Device to protect chimneys and improve their draft

Country Status (1)

Country Link
FR (1) FR648223A (en)

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