GB1301361A - - Google Patents

Info

Publication number
GB1301361A
GB1301361A GB1301361DA GB1301361A GB 1301361 A GB1301361 A GB 1301361A GB 1301361D A GB1301361D A GB 1301361DA GB 1301361 A GB1301361 A GB 1301361A
Authority
GB
United Kingdom
Prior art keywords
shutter
bracket
frame
helical groove
arrangement
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 GB1301361A publication Critical patent/GB1301361A/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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/16—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of parallelly-movable plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Ventilation (AREA)
GB1301361D 1970-04-08 1970-04-08 Expired GB1301361A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1666070 1970-04-08

Publications (1)

Publication Number Publication Date
GB1301361A true GB1301361A (fr) 1972-12-29

Family

ID=10081321

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1301361D Expired GB1301361A (fr) 1970-04-08 1970-04-08

Country Status (1)

Country Link
GB (1) GB1301361A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379038A1 (fr) * 1977-01-27 1978-08-25 Siegenia Frank Kg Dispositif d'aeration destine a des pieces
FR2388214A1 (fr) * 1977-04-23 1978-11-17 Siegenia Frank Kg Dispositif d'aeration destine a des pieces

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379038A1 (fr) * 1977-01-27 1978-08-25 Siegenia Frank Kg Dispositif d'aeration destine a des pieces
FR2388214A1 (fr) * 1977-04-23 1978-11-17 Siegenia Frank Kg Dispositif d'aeration destine a des pieces

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees