Description
Class B27F : DOVETAILED WORK; TENONS; SLOTTING MACHINES; NAILING OR STAPLING MACHINES
Subclass 1/16: Dovetailed work; Tenons; Making tongues or grooves (slotting B27F 5/00); Groove-and-tongue jointed work; Finger-joints (machines or devices for working mitred joints B27G 5/00; cutting tools for cutting grooves or tenons B27G 13/14) Making finger joints, i.e. joints having tapers in the opposite direction to those of dovetail joints (B27F 1/08 takes precedence)