Patent ID: 6237809
Filing Date: 2001-05-29
Classification: B67D

Abstract:
A container for a high purity chemical, said container comprising:a flexible internal container formed from a high purity polyolefinic resin and a gas-tight, self-supporting external container, which accommodates the internal container, wherein the internal and external containers are joined together having a space formed between these two containers close and open ensuring communication with the outside,a liquid-discharge pipe provided with a check valve connected to the pipe midway therein gas-tightly inserted into the internal container to the bottom thereof;a connector connected to a pressure source fitted to the external container; andan airtightness-maintaining tool, holding the liquid-discharge pipe at an opening of the internal container, and engaging an opening of the external container via a screwing member that closes and opens so that the interior of the external container arbitrarily communicates with the outside.