(under subclass 415) Structure including means, e.g., an integral flange or separate plate, which cooperates with a similar means on the adjacent module to close one side of the space between the adjacent module and to overlie or cover one surface of the cast section.
SEE OR SEARCH THIS CLASS, SUBCLASS:
324, for a ribbed construction wherein the means covers and underlies a cast rib-like sustainer between filler blocks.
437+, for structure wherein opposed sides of channel sections enclose a cast section.
