SWEETENED CONDENSED MiLK—FILLING 111 
is crimped on. Sweetened condensed milk is of a semi-fluid, 
viscous and sticky consistency. The successful and rapid filling 
of the cans without spilling the milk over the top of the 
can is, therefore, somewhat difficult. lf done by hand the 
work is very slow. For this reason many ingenious ma- 
chines have been devised which are more or less efficient 
in “cutting off” the milk without “slobbering.” The filling 
machines now in use vary from the primitive hand filler, in 
which the condensed milk is “ground ont’ by the turning of 
Fig. 40. The solder seal Pig. 41. The Sanitary can 
Fig. 42. The Gebee seal Fig. 43. The McDonald seal 
a crank by hand, to the most perfect forms of automatic filling 
machines. In these filling machines, all parts coming in con- 
tact with the condensed milk are constructed of brass. They 
usually are equipped with a reservoir, receiving tank, or hopper, 
which has an automatic feed, usually a floating device attached 
to a valve, which regulates the inflow according to the discharge. 
The discharge is adjustable to fill any size can with a remarkable 
degree of accuracy, except gallons which are usually filled by 
