PROBLEM TO BE SOLVED: To provide a hinge structure of a casket which facilitates the production of the casket by simply providing a hinge between a window frame and a door and enables free designing of the casket appearance without being affected by the presence of the hinge.SOLUTION: The casket 10 is composed of a casket main body 11, a lid 12 and a window unit 13. The window unit 13 is provided with the hinges 23 for openably and closably supporting the doors 22A and 22B on the window frame 21. The window frame 21 and the doors 22A and 22B are formed by making cuts in a door shape to the corrugated paper material of a multilayer structure composed by clamping a core material between an outer plate and an inner plate, turning the outer side of the cuts to the window frame 21 and turning the inner side to the doors 22A and 22B. The hinges 22 and 23 are formed by cutting the inner plate and the core material leaving the outer plate on one side of the cuts in the door shape of the corrugated paper material and bending the remaining part of the outer plate matched with the opening/closing shafts of the doors 22A and 22B.COPYRIGHT: (C)2008,JPO&INPIT【課題】窓枠と扉との間に簡単にヒンジを設けることで棺の製作を容易にし、ヒンジの存在に影響されることなく棺の外観を自由にデザインすることが可能な棺のヒンジ構造を提供する。【解決手段】棺10は、棺本体11と蓋12と窓ユニット13とからなる。窓ユニット13は、窓枠21に扉22A,22Bを開閉可能に支持するヒンジ23,23を備えている。窓枠21および扉22A,22Bは、外板と内板との間に芯材を挟んでなる多層構造の段ボール材に扉形状の切り込みを入れて、この切り込みの外側を窓枠21とし、内側を扉22A,22Bとして形成される。ヒンジ23,23は、段ボール材の扉形状の切り込みの一辺に外板を残して内板と芯材とを切断し、この外板の残部を扉22A,22Bの開閉軸に合わせて折り曲げることにより形成される。【選択図】図5
