| 20080289947 | Vacuum still - A vacuum still for the distillation of grape products has a boiler to heat grape products to a temperature at which nutriments have no or minimal damage, the vapors from the vapor space of the boiler passing through three condensers in series. A vacuum is applied through the condensers in series to the vapor space of the boiler, the concentrated grape product in the boiler being processed into a food product containing the nutriments and vitamins contained in the grape product. | 11-27-2008 |
