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(11) | EP 0 198 983 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Panel for a grid ceiling |
(57) A panel for a grid ceiling in which a first panel member (10) is provided with slots
(20) and, between the closed ends (25) of these slots and the webs (14) of the flanges,
with apertures (34). Second panel members (12) have cooperating slots (50) with inturned
lugs (48, 50) which engage in the aperture (34) to rigidify the cross-over points
adjacent the webs (14). Further lugs (56,58) on the first panel may engage in openings
(50) in the second panel members. |