(19)
(11) EP 0 406 933 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
03.04.1991 Bulletin 1991/14

(43) Date of publication A2:
09.01.1991 Bulletin 1991/02

(21) Application number: 90201633.6

(22) Date of filing: 22.06.1990
(51) International Patent Classification (IPC)5: E06B 7/06, F24F 13/18
(84) Designated Contracting States:
BE DE FR GB NL

(30) Priority: 23.06.1989 NL 8901594

(71) Applicant: GIEMETA-LUVEMA B.V.
NL-3911 BE Rhenen (NL)

(72) Inventors:
  • Aarden, Ronald
    NL-3911 BE Rhenen (NL)
  • Aarden, Matthieu
    NL-3911 BE Rhenen (NL)

(74) Representative: de Wit, Gerard Frederik, Ir. et al
Octrooi- en Merkenbureau de Wit B.V. Breitnerlaan 146
NL-2596 HG Den Haag
NL-2596 HG Den Haag (NL)


(56) References cited: : 
   
       


    (54) Ventilating Apparatus


    (57) Ventilating apparatus with a rotatable closing device (3) mounted between an upper and lower profile (1,2), sealing means (19,20,21,22) between the profiles (1,2) and the closing device (3), the outer boundary of the closing device lying partly on an imaginary cylinder and partly within the circumference of the same cylinder, whereby the shortest radial distance of the closing device is smaller than the distance between the sealing means (20,22) mounted on the respective profiles (1,2).







    Search report