230 



MANUAL OF MILK PRODUCTS 



of action is the same, there is great variety in the internal devices 

 for aiding the separation of the cream and skim-milk. It may 

 be said there are three chief types about which the others may 



SANITARY FAUCET 



REVERSIBLE FLOAT 

 CENTER BALANCED BOWL 



DETACHED BOWL' 



COUPLING RING 



SIGHT FEED 



OIL SUPPLY 



IMPROVED 

 "ALPHA-DE LAVAL" 

 SEPARATING DISCS 



AMPLE DIRT HOLDING SPACE 

 BOWL CASING DRAIN 



DETACHED BOWL SPINDLE 



(REMAINING IN FRAME 



AUTOMATIC SPRAY 

 OILING OF GEARING 

 AND BEARINGS 



EXTRA HEAVY TINWARE ' 



SIMPLE CREAM REGULATOR 



COVER CLAMP 



SPLIT-WING TUBULAR 

 OR FEEDING SHAFT 



BOWL HOLDING SCREW 



HEAVY PART OF BOWL 

 BELOW CENTER OF GRAVITY 



SECTIONAL SPRING 



SPINDLE BEARING 



BOWL STOP BRAKE 

 SPEED INDICATOR 



UPWARD THRUST 



WORM DRIVE GEARING 



SPRING CUSHIONED STEEL POINT 

 AND TREAD WHEEL BEARING 



OPEN SANITARY BASE 



Fig. 45. — De Laval separator, disk-blade type. 



be grouped. In the disk machines, of which the De Laval rep- 

 resents the type, the separation is hastened by the milk passing 

 between a series of slanting or cup-shaped disks (see Fig. 45). 

 The second type is represented by the Simplex machine in 



