| 摘要 |
For forming support structures for false ceilings, an inverted T main runner includes a central web extending from an upper tube and terminating in two horizontal flanges, wherein each end of the web has two parallel longitudinal cuts defining an elastically deformable band terminating in a depressed seat projecting from the web surface, such seat being provided with a tooth facing the web. A substantially rectangular tab for engagement in the depressed seat of the adjacent main runner is also provided, such tab (having a cut engagable by the tooth of the adjacent main runner when the tab is inserted into the depressed seat. |
