Description
Class B23D : PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
Subclass 1/28: Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines in which the tool or workpiece is fed otherwise than in a straight line, e.g. for planing profiled stock