CUTTING ROUND AND OVAL PIECES.
The round and oval pieces of box-board for the tops and bottoms of the round and oval paper boxes are cut to the proper sizes and shapes by means of steel dies and a press. A steel die of the required size and shape is placed over about a dozen pieces of box-board. The die and stock are then placed under the head of the press; powerful pressure is applied, and the steel die cuts through the dozen or more pieces of box-board, cleanly cutting out the disks or ovals as the case may be. It is necessary, of course, to have a steel die for each size and shape desired. The manufacturers of small round and oval boxes have complete sets of steel dies, suitable to all the standard sizes of work, and these dies are kept in first-class condition so that they are always capable of doing sharp, clean cutting. Several different dies may be put under a large press at one time. The square or oblong pieces of box-board are cut to sizes to conform with the various sizes of dies so as to prevent as much wastage of stock as possible. A margin of about one-half of an inch, all-round, will do for the average die. Steel dies and die-presses can be furnished by any of the large manufacturers of paper box machinery.