Plant cultivation box - is built up from tray to which side walls are added and secured by corner pieces

摘要

The box for cultivating plants has a water retaining tray with flanges at the top of the sides. The flanges fit in slots in walls which are of hollow construction and include sockets at their ends to receive tongues extending from corner pieces. The corner pieces are secured to the walls by screws in holes. A cover fits over corner piece. The tray is vacuum formed, the walls are extruded and the corner pieces are injection moulded.