JPS6243845B

PURPOSE:To prevent mixed solution from stagnating in the supply pipe, in a mixed solution supply device, by a method wherein a return pipe is provided to connect a point near the end of a supply pipe for mixed solution from a tank to the point to be supplied with the tank so that the mixed solution...

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Bibliographic Details
Main Author KOMURA YUKIO
Format Patent
LanguageEnglish
Published 17.09.1987
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Summary:PURPOSE:To prevent mixed solution from stagnating in the supply pipe, in a mixed solution supply device, by a method wherein a return pipe is provided to connect a point near the end of a supply pipe for mixed solution from a tank to the point to be supplied with the tank so that the mixed solution flows through a circulating passage. CONSTITUTION:In a mixed solution supply device, a mixed solution supply pipe 10 for connecting the bottom of a tank 2 with an extruder cylinder 9 is provided in order to supply a mixed solution 1 from the tank 2 to the extruder 8. A mixed solution supply pump 11 is provided in the middle of this supply pipe 10 to supply the solution 1 by a fixed amount. A return pipe 12 is connected between a point near the end of the supply pipe 10 and the tank 2 and when the solution 1 is not supplied to the extruder 8, the solution 1 is returned to the tank 2. In this manner, the component of the mixed solution is prevented from accumulating and stagnating in the supply pipe.
Bibliography:Application Number: JP19810180308