date:Nov 29, 2012
eneral, by cooling at night and not allowing the air to escape in the day.
This was realized with improvements to thermal insulation and airtightness. The use of large amounts of vacuum insulation materials, which boast 10 times greater thermal insulation performance than conventional urethane materials, successfully resulted in the cooled products themselves maintaining the cool air environment within the machines, Mr Brett said.
Coca-Cola Co vending machines were first introduced to Japan fi