(19)
(11) EP 0 339 698 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.07.1991 Bulletin 1991/29

(43) Date of publication A2:
02.11.1989 Bulletin 1989/44

(21) Application number: 89200780.8

(22) Date of filing: 28.03.1989
(51) International Patent Classification (IPC)4G09F 19/00, G09F 15/00
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 12.04.1988 NL 8800938

(71) Applicant: Romeijn Electrotechniek B.V.
NL-5015 BK Tilburg (NL)

(72) Inventor:
  • Meppelder, Arent
    NL-5143 GT Waalwijk(N.B.) (NL)

(74) Representative: Siemens, Andreas Meinhard Ernest, Dipl.-Ing. 
SIEMENS & CIE. Roskam 8
NL-4813 GZ Breda
NL-4813 GZ Breda (NL)


(56) References cited: : 
   
       


    (54) A strainer device for stretching a flat flexible material


    (57) The strainer device for performance of announcements and signs, which comprises a hollow body inflated by a gas,around which a flexible plane of cloth, gauze or polymer is clamped,such that said plane remains correctly visible in the direction as required.







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