Fluent material handling – with receiver or receiver coacting mea – Processes – Gas or variation of gaseous condition in receiver
Patent
1985-08-19
1987-01-20
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Processes
Gas or variation of gaseous condition in receiver
141 39, 141 70, B65B 5524, B67C 306
Patent
active
046374388
ABSTRACT:
Containers such as bottles, which are to be filled with liquid from a tank pressurized with non-oxidizing gas, are coupled to a filling device and evacuated of air that is discharged to the atmosphere. Next gas from the tank is fed to the bottles. When gas pressure in the tank and bottle equalize, the liquid flows by gravity into the bottle to displace the gas and return it to the tank. After filling with liquid is cut off a charge of pure non-oxidizing gas is injected in the bottle to fill it to the top with pure gas. Excess pure gas is fed back into the tank to make up for the dilution of the gas that results from the evacuation of air from the bottles being necessarily imperfect. The bottles are uncoupled from the device after they are filled with pure gas and they are then sealed.
REFERENCES:
patent: 3877358 (1975-04-01), Karr
patent: 4390048 (1983-06-01), Zelder
Bell, Jr. Houston S.
Krones AG Hermann Kronseder Maschinenfabrik
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