Patent ID: 8052014
Filing Date: 2011-11-08
Classification: B67D,Y10T

Abstract:
1. A fluid container having a flexible bag having a neck portion that is open for pouring liquid; and an outer container that supports the neck portion with a mouth portion and that accommodates the bag, the fluid container further comprising: a cylindrical retainer held by the mouth portion, the cylindrical retainer having a substantially cylindrical header portion protruding from a cylindrical bottom at a first end, a cylindrical portion fitting into an orifice of the neck portion at a second end, and a through hole penetrating from the first end to the second end; a liquid pouring tube having a collar portion adhered to a top face of the header portion at a first end, with a second end being inserted into the through hole, wherein the liquid pouring tube has a fluid passage extending from the first end to the second end, and wherein liquid in the bag is drained through the fluid passage; a first ventilating means for ventilating gas from an inside of the outer container to the mouth portion, wherein the first ventilating means has a plurality of first orifices provided to a bottom of the neck portion, the plurality of first orifices communicating from an inside of the outer container to an inside of the neck portion, and has a plurality of second orifices communicating from a perimeter of the cylindrical portion to the top face of the header portion; a second ventilating means for ventilating gas from the inside of the bag to the mouth portion, wherein the second ventilating means has a plurality of third orifices provided to the collar portion, the plurality of third orifices communicating from the mouth portion to an inside of the through hole; and a sealing means for sealing the mouth portion, wherein, when the sealing means is attached, the sealing means prevents both liquid and gas from flowing out of the mouth portion, and when the sealing means is removed, gas in the outer container and gas in the bag escape through the first ventilating means and second ventilating means, respectively, to an outside of the mouth portion, before liquid in the liquid pouring tube is drained to the mouth portion.