Joint for wooden planks has plate with projections to fit into planks on either side of joint and lock joint together

摘要

The method of connecting the butt jointed faces of wooden planks (11,12) uses an overlapping plate (14) of a gripping material. The plate has recesses (15,16) on both sides of the joint. The recesses form projections which extend into the planks to lock the joint together. The wood butt joint (13) can itself be glued. claims include a joint made using the method.