초록

A blank sheet of foldable material has vertical fold lines and horizontal fold lines defined thereon and a tab for forming the blank into a closed shape. By creasing or folding the container along the pre-formed horizontal and vertical fold lines, containers of various shapes may be formed.

대표청구항 ▼

[ We claim:] [1.] A blank from which multiple containers may be formed one at a time includes a substantially rectangular sheet of foldable and creasable material, said blank comprisinga top edge and a bottom edge, wherein said top edge is parallel to said bottom edge;a left edge and a right edge, w

[ We claim:] [1.] A blank from which multiple containers may be formed one at a time includes a substantially rectangular sheet of foldable and creasable material, said blank comprisinga top edge and a bottom edge, wherein said top edge is parallel to said bottom edge;a left edge and a right edge, wherein said left edge is parallel to said right edge, and wherein said left edge comprises a lower left edge portion and an upper left edge portion that is parallel to but offset from said lower left edge portion, and wherein said right edge comprises a lower right edge portion and an upper right edge portion that is parallel to but offset from said lower right edge portion;at least four height fold lines extending parallel to said top and bottom edges, wherein, when forming a container, said blank is adapted to be folded long four height fold lines selected from said at least four height fold lines, and wherein said at least four height fold lines includes a first height fold line adjacent to said top edge and a center height fold line evenly dividing a perpendicular distance between said first height fold line and said bottom edge, wherein a first number of height fold lines exists between said first height fold line and said center height fold line, and a second number of height fold lines exists between said center height fold line and said bottom edge, wherein said first number equals said second number,a bottom portion defining a first area between said center height fold line and said bottom edge, and between said lower left edge portion and said lower right edge portion;a top portion defining a second area between said center height fold line and said first height fold line, and between said upper left edge portion and said upper right edge portion;a tab adjacent to said top edge, wherein said tab defines a third area above said first height fold line and below said top edge, said tab being adapted to be secured to the blank adjacent to said bottom edge;at least two length fold lines extending perpendicularly to said at least four height fold lines, wherein, when forming the container, said blank is adapted to be folded along two length fold lines selected from said at least two length fold lines;wherein said at least two length fold lines includes a first length fold line and a last length fold line, and wherein said first length fold line is adjacent to said upper left edge portion and colinear with said lower left edge portion, thereby defining a first extended portion defining a fourth area between said first length fold line and said upper left edge portion, and wherein said last length fold line is adjacent to said upper right edge portion and colinear with said lower right edge portion, thereby defining a second extended portion defining a fifth area between said last length fold line and said upper right edge portion, said fourth and fifth areas comprising part of said second area; andwherein each of said at least four height fold lines includes perforated end portion.