Abstract: In a ceiling grating of carrier girders two carrier girders are closely arranged next to one another so that a line channel is formed in between them. These two carrier girders are interconnected by means of runner-shaped coupling elements formed as plates having between their limbs a line channel.
Type:
Grant
Filed:
January 24, 1984
Date of Patent:
November 13, 1984
Assignee:
Nemaco Trading Limited
Inventors:
Johan G. Smits, Johan A. de Weerd, Cor K. Vuyk