A Key to the Utilization of the Total Tree

to resaws. As the chipping headrig operator adjusts the cutterheads for a really ~lose shave, the rounded surface of the log is chipped away, leaving a log-length square timber. The whiskers are the chips. Instead of ntaking sawdust as conventional sawing techniques would, the chipping headrig makes chips, a valuable commodity to anyone who happens to own a paper mill. The chipping headrig kisses the log lightly on all four sides, exposing a minimum face of lumber. for example, four inches in width. 1:"he resulting flat-sided cant may then be sawn with band saws to yield boards and planks, some of which will still show irregull\r edges. The irregular edges are removed with the headrig's companion machine, the chipping edger. The headrig chips away at the log while the cdger applies the chipping principle to any remaining irregular edges of the boards and planks. In indll!itry, "Timc i!i money," For southern lumber manuf;'lcturers, the chipping headrig has meant timber can be fed through high-speed breakdown machinery at rates up to 300 feet-per-minute. Pioneer users of the chipping headA square peg won't fit in a round hole but a square timber can be chipped out of a round log. It's simple, fast and efficient, with a chipping headrig. Virtually every significant southern pine sawmill uses one of these amazing machines, busily making useful most of the wood in the tree, chipping some for paper and uncovering sawtimber where before there was only pulpwood. In short, it has chipped its own little niche in the hearts of southern timbermen. The chipping headrig has done for the timberman what the electric shaver did for the American male. Just as the shaver pushed aside the straight and safety razors of an earlier era, the chipper has speeded up the process of breaking down raw timber resources into usable materials. To go a step further, the chipping headrig hus provicJed a use for the "whiskers.' of the industry, the edgings and slabs left us waste by conventional saws. Simply described, the chipping headrig is a machine comprised of rotating curterheads positioned along both sides and top and bottom of a conveyor belt carrying a log