Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Reexamination Certificate
2005-02-08
2005-02-08
Stinson, Frankie L. (Department: 1746)
Cleaning and liquid contact with solids
Processes
Including use of vacuum, suction, or inert atmosphere
C134S022110, C134S025100, C134S095100, C134S16900A, C134S16900A
Reexamination Certificate
active
06852172
ABSTRACT:
A milking plant for milking animals, such as cows, wherein milk collecting means, prefeably in the form of teat cups, are attached to the teat of the animal whereafter milk is taken from the animal by use of vacuum. The milk is transported by a milk line system (31) to milks storage means comprising a cooling tank (30). For cleaning purposes the milk line system from each milk collecting means can be shut off from the milk tank by valve means (32) in order for separate cleaning of the milk line system. The invention is characterized by preventing any possible leakage of detergent from a cleaning fluid to the milk that has been collected in the milk tank, by providing a pressure difference between the two fluids. The pressure difference between the fluids is preferably achieved by connecting the cleaning fluid to the vacuum supply (4) of the milking plant.
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Boyle Fredrickson Newholm Stein & Gratz S.C.
Chaudhry Saeed
DeLaval Holding AB
Stinson Frankie L.
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