GB1230575A - - Google Patents

Info

Publication number
GB1230575A
GB1230575A GB1230575DA GB1230575A GB 1230575 A GB1230575 A GB 1230575A GB 1230575D A GB1230575D A GB 1230575DA GB 1230575 A GB1230575 A GB 1230575A
Authority
GB
United Kingdom
Prior art keywords
louvres
grille
frame
rods
sets
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
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 GB1230575A publication Critical patent/GB1230575A/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
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae

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)

Abstract

1,230,575. Ventilators. F. N. WOMERSLEY. 9 May, 1968 [10 May, 1967; 17 July, 1967; 27 Sept., 1967], Nos. 21632/67, 32678/67 and 43912/67. Heading F4V. A ventilator grille comprises a frame, one or more sets of parallel rods secured at their ends to the frame and extruded louvres of plastics material mounted on the rods. In the form shown, three sets of pivotable louvres 13, 14 and 6 respectively are provided. The louvres 14 may each include a removable channel-shaped portion, as shown, be of solid form with a peripheral opening for a rod or comprise a hollow wedgeshaped vane and a rod engaging portion having interlocking legs. The grille may include fixed baffles of straight or cranked form, each having recesses at its longitudinal edges which engage two spaced rods. The louvres 6, which are provided in one or more pairs, are each double vaned, and the ends of each louvre are independently adjustable of each other and the other louvres or simultaneously adjustable with the other louvres 6. The grille frame includes plastics facings 4.
GB1230575D 1967-05-10 1967-05-10 Expired GB1230575A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2163267 1967-05-10

Publications (1)

Publication Number Publication Date
GB1230575A true GB1230575A (en) 1971-05-05

Family

ID=10166202

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230575D Expired GB1230575A (en) 1967-05-10 1967-05-10

Country Status (1)

Country Link
GB (1) GB1230575A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2358701A (en) * 1999-12-04 2001-08-01 Tri Plas Mouldings Ltd Air or gas deflection blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2358701A (en) * 1999-12-04 2001-08-01 Tri Plas Mouldings Ltd Air or gas deflection blade

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Legal Events

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