Corner piece for extruded strip - uses flexible strip to make rounded or chamfered corners to frame

摘要

The corner piece joins the horizontal and vertical parts of a frame. The horizontal and vertical parts are extruded metal or plastic rails. In previous frames, rectangular caps are fitted to the ends of the extrusions. The present corner piece has protrusions which fit into the apertures in the ends of the rails. The protrusions are linked by a thin flexible strip of material.