| 摘要 |
A corrugated cardboard game board hinged at a central location so that in transit or when stored prior to use, it is of a convenient half-size, wherein the embodiment of the hinge uses to advantage the corrugated cardboard construction material by cutting only the playing surface upper paper ply and down through the flutes to the depth of the lower paper ply which is left intact, with the result that the board hinges about a fold in the lower paper ply at the site of the cut made in the cardboard.
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