Assertion: mullion's member | /r/CapableOf | close said opening
Facets:
Source sentences:
text: A mullion structure for curtain walls comprising an extruded metal U-shaped mullion section having spaced side walls defining an elongated opening, each of said side walls having on its inner face a sawtoothed rib, an extruded metal capping member to close said opening, a connector strip of low heat transfer material carried by the capping member, said connector strip having a pair of spaced flanges each provided with a rib, the ribs of the flanges being mutually shaped to enter into locking engagement one with the other when the capping member is forced into juxtaposition with the first-named mu1- lion section and a ribbon formed integrally with the connector strip and extending between the metallic mullion section and the metallic capping member to isolate the metallic sections one from the other.