Patent ID: 6195964
Filing Date: 2001-03-06
Classification: B31B,B65D,Y10S

Abstract:
A container assembly comprising:a first cylindrical container;a rectangular inner bag for receiving a highly viscous material and thereafter tightly closing to hold said highly viscous material, said rectangular inner bag including (1) two hexagonal first sheets each of which has a pair of opposite sides extending longitudinally and a trapezoidal portion formed around one longitudinal end of said first sheet; and (2) two pentagonal second sheets each of which has a pair of opposite sides extending longitudinally and a triangular portion formed around one longitudinal end of said second sheet, said first and said second sheets being placed in an opposite relation to each other, peripheries of said first and said second sheets excluding other ends being bonded together by heat-sealing, said rectangular inner bag being placed in said first cylindrical container so that a bottom of said rectangular inner bag is substantially horizontal with respect to said first cylindrical container;an annular plate through which said highly viscous material passes and which is provided at the bottom of said rectangular inner bag;a second cylindrical container overlapping said first cylindrical container, said first and said second cylindrical containers having respective interior volumes that are substantially equal,wherein said first cylindrical container and said second cylindrical container are invertible so as to transfer said rectangular inner bag from said first cylindrical container to said second cylindrical container.