| 摘要 |
<p>Producing grid tees with a range of service duty, reflected in the use of various gauge sheet stock, that exhibit an effective uniform thickness at their cross tee slots by locally altering a grid tee in the area of its cross tee receiving slot or slots so that the grid tee has a uniform effective thickness at these area(s) that can be standardized across a manufacturer's range of tee load ratings. Preferably, a grid tee is permanently stamped with an indentation or dimple adjacent the cross tee slot and a cross tee connector has a lead edge area arranged to seat against the bottom of the indentation.</p> |
