CONTAINER WITH HOLLOW BOTTOM Russian patent published in 2009 - IPC B65D5/00 

FIELD: packaging industry.

SUBSTANCE: container includes an upper and lower end between which there is a wall with a cross section in the form of a closed circuit forming an internal part of the container. The container also contains a lower part stetching from the middle of the distance between the upper and lower end of the container in the direction of the lower end of the container. The lower end of the container is closed by a hollow bottom manufactured in the form of a big bottom valve located in the internal part of the container. In this case the big bottom valve has approximalely the same size and shape as the cross section of the container. And the the big bottom valve is held above the lower end with a retaining striation on the one side and with a small valve on the other side. The retaining striation is attached to the big bottom valve along the connection line located above the lower end of the container. Ther small valve is attache to the big bottom valve approximalety opposite the said connection line. The retaining striation and the small valve are manufactured in the form of the wall parts protruding over the lower end of the container and bent aside of the internal surface of the wall along the bending lines. The bending lines of the retaining striation and the small valve are spaced from the lower end of the container in the direction of the upper end of the container.

EFFECT: alleged invention specifies setting up a container quite stable, simple and cheap to manufacture.

3 cl, 5 dwg