PROBLEM TO BE SOLVED: To provide a portable assembling type dustproof box which can be easily assembled and disassembled, easy to manufacture and inexpensive, and usable for disposable use.SOLUTION: A top plate 1, a front plate 2, a back plate 3, a bottom plate 4, and a pair of side plates 5, 5 are made from one transparent plastic sheet a back plate adhering flap 4f of the bottom plate 4 and an end in an opposite side of the top plate 1 of the back plate 3 are stuck beforehand to provide a ring-like connected state of the top plate 1, the front plate 2, the bottom plate 4, and the back plate 3 and a folding bending line 6 is provided in a position on the back plate 3 in which a distance from a bottom plate bending line 4a of the bottom plate 4 to one part of the back plate 3 via the front plate 2 and the top plate 1, and a distance to the one part of the back plate 3 via the bottom plate 4 become the same. By bending the bottom plate bending line 4a of the bottom plate 4 and the folding bending line 6, the top plate 1, the front plate 2, the bottom plate 4, and the back plate 3 connected like a ring can be folded into two in a state of lapping their rear faces.COPYRIGHT: (C)2013,JPO&INPIT【課題】持ち運びが容易で、組み立てや解体も容易にでき、また製造も容易且つ安価で使い捨て用としても利用可能な組み立て式防塵ボックスを提供する。【解決手段】天板1と正面板2と背面板3と底面板4と一対の側板5,5とを一枚の透明なプラスチック製シートから作成し、底面板4の背面板貼着用フラップ4fと背面板3の天板1と反対側の端部とを予め貼着して、天板1と正面板2と底面板4と背面板3とがリング状に連なった状態にして、底面板4の底面板折曲線4aから、正面板2と天板1とを経て背面板3の一部に至る距離と、底面板4を経て背面板3の一部に至る距離とが同一となる背面板3上の位置に折り畳み用折曲線6を設け、底面板4の底面板折曲線4aと折り畳み用折曲線6とで折曲することによって、リング状に連なった天板1と正面板2と底面板4と背面板3とをそれらの裏面を合わせた状態で2つに折り畳むことができるようにする。【選択図】図1
