FR1354930A - Grid intended to preserve the opening of a duct - Google Patents

Grid intended to preserve the opening of a duct

Info

Publication number
FR1354930A
FR1354930A FR922915A FR922915A FR1354930A FR 1354930 A FR1354930 A FR 1354930A FR 922915 A FR922915 A FR 922915A FR 922915 A FR922915 A FR 922915A FR 1354930 A FR1354930 A FR 1354930A
Authority
FR
France
Prior art keywords
preserve
duct
opening
grid intended
grid
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
FR922915A
Other languages
French (fr)
Inventor
Cesar Pietracci
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
Priority to FR922915A priority Critical patent/FR1354930A/en
Application granted granted Critical
Publication of FR1354930A publication Critical patent/FR1354930A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR922915A 1963-01-28 1963-01-28 Grid intended to preserve the opening of a duct Expired FR1354930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR922915A FR1354930A (en) 1963-01-28 1963-01-28 Grid intended to preserve the opening of a duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922915A FR1354930A (en) 1963-01-28 1963-01-28 Grid intended to preserve the opening of a duct

Publications (1)

Publication Number Publication Date
FR1354930A true FR1354930A (en) 1964-03-13

Family

ID=8795744

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922915A Expired FR1354930A (en) 1963-01-28 1963-01-28 Grid intended to preserve the opening of a duct

Country Status (1)

Country Link
FR (1) FR1354930A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904320C2 (en) * 1979-02-05 1981-12-17 Kiparski, Heinz, 4390 Gladbeck Wall box for connection to the end of a flat ventilation duct of an extractor hood
FR2827368A1 (en) * 2001-07-13 2003-01-17 Dixneuf Atel Diffusion panel for liquids of gases comprises surrounding frame with grille fitted into it by bent-over edges

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904320C2 (en) * 1979-02-05 1981-12-17 Kiparski, Heinz, 4390 Gladbeck Wall box for connection to the end of a flat ventilation duct of an extractor hood
FR2827368A1 (en) * 2001-07-13 2003-01-17 Dixneuf Atel Diffusion panel for liquids of gases comprises surrounding frame with grille fitted into it by bent-over edges

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