| 摘要 |
<p>A wallboard fastener comprising a flat base portion, an elongated tongue portion coplanar with the said base portion, a pair of flanges extending substantially normal to said base portion on opposite sides of the said tongue portion and a pair of impaling flanges mounted to said flanges so as to extend over and substantially parallel to the base portion. The improved construction of the fastener of the present invention includes an aperture in the base portion as well as in the tongue portion and separate ribs are provided for the base portion and the tongue portion so that the tongue portion is severable from the base portion without deforming the rib structure disposed across the interspace between the ribs in the base portion and the ribs in the tongue portion, and which is offset from the ribs of both portions.</p> |
