| 摘要 |
PROBLEM TO BE SOLVED: To prevent, in a drink dispenser, propagation of various germs and accumulation as of drink ingredients or residual yeast in a drink lead-out channel without degrading the heat transfer efficiency of drink-cooling channel. SOLUTION: The drink dispenser 1 is composed of a cooling water tank 2, a drink-cooling pipe 3, a discharging cock 5, etc. In the middle of the cooling water tank 2, the drink-cooling pipe 3 in the form of a coil is disposed and immersed in cooling water 12. To the leading end of the drink-cooling pipe 3 the discharging cock 5 is connected, and the trailing end of the drink-cooling pipe 3 is connected to the dispenser head 18 of a storage container 17 via a drink hose 19. In the drink dispenser 1, the drink-cooling pipe 3 and discharging cock 5 of a drink lead-out channel, which draft beer contacts when passed through them, is made of austenite-based anti-bacterial stainless steel, and the surface roughness (Ra) of each internal face is 0.3μm or less.
|
