BOXES AND BOX SHOCKS 



259 



I in. in diameter. Cleats must be free from knots and from excessive cross grain. 

 No knots will be permitted which will interfere with proper nailing or stapling. 



Boards. 



Tops, bottoms, sides and ends not less than | in. thick if gum, yellow pine or 

 hardwood veneer; ^ in. thick if western pine, spruce, or fir veneer; ^ in. thick if 

 resawed boards. 



Cleats. 



Hx^in. orf xHin. 

 Wires. 



i6-gauge, not over 6 in. apart. 

 Staples. 



Not over 2 in. apart, and not less than two staples in each end of each board. 

 Printing. 



One end only, in one color. 



Size. 



Allow only 5 in. over exact length of contents; allow only J in. over exact width 

 of contents; depth should be exact depth of contents, without any allowance. 



Fastening Ends in Boxes. 



The ends shall be firmly fastened to the inside of the side cleats with either 16- 

 gauge staples with legs not less than xf in. long, or with two-penny cement-coated 

 nails, both staples and nails having centers not in excess of 2 in. apart. 



The following table shows the sizes of cans used in the canned food 

 boxes and how they are packed in them. These are the sizes ofi&cially 

 adopted by the United States Food Administration. 



SIZES OF CANS AND HOW PACKED 



Note. — There are occasional slight variations from standard in can sizes, due to method of manu 

 facture, and it is therefore advisable for manufacturers of solid fiber board and corrugated fiber con 

 -taincrs to procure sample cans before filling orders. 



