ICE-CREAM MACHINERY 171 



labeled as such. This process makes the problem of getting 

 sweet cream less difficult. 



Sanitary Pipes and Fittings. The only kind of pipes 

 that should be used for transmitting cream and milk are 

 the so-called sanitary pipes. The piping is perfectly smooth 

 and heavily tinned. It is in short lengths and put together 

 in a manner similar to that of connecting fire hose, so that 

 the pipes may all be taken apart and cleaned very readily. 



Ice-cream Can Washer. This machine finds a place in 

 large factories where a great many packing cans are used. 



I 



FIG. 42. Fort Atkinson ice-cream can washer. 



It is a contrivance in which brushes and jets of water and 

 steam are used to cleanse and sterilize the cans in much the 

 same way that bottles and cans are cleaned and sterilized 

 in a city milk plant. 



Packing Cans. These are of great importance from a 

 sanitary standpoint, because the ice cream remains in 

 them often for several days. There should be no crevices 

 or rough spots in the can and no exposed iron. Heavily 

 tinned cans are extensively used, but enameled iron ones 

 are better, being smoother, more easily and perfectly 

 cleaned and hence more sanitary. 



