Plate longitudinal parallel joints are used to increase the width of board elements. They are usually used in the production of table worktops, bottoms, top surfaces and side walls of case furniture. Joints with dowel connectors or biscuit joints are most commonly used (Fig. 4.39).
Fig. 4.37 Flat X-type joints
Fig. 4.38 Plate frontal parallel joints with a dowel connector and biscuit joint