Problem to be solved: to provide a metal fittings and a coffin without coffin which can withstand a load of about 180 kg and smoothly move to a hearse or crematorium.Solution: a first bottom plate 4a, a first sash 41 supporting the bottom surface of the first bottom plate, and a second bottom plate 4B constituting a coffin bottom plate of a double structure by supporting the bottom surface of the first pier and sandwiching the first sash with the first bottom plate.Further, the first side plate 2a is provided with the second side plate 2B which is connected to the outer surface side of the first side plate 2a, and the second side plate 2B constituting the coffin side plate of the double structure by being bonded to the outer surface side of the second sash and sandwiching the second sash with the first side plate.A fitting groove 7 in which the first bottom plate is fitted in the state where the coffin bottom plate and the coffin side plate are joined are provided in the first side plate 2a and the second pier 21.Diagram【課題】約１８０ｋｇの荷重に耐え、かつ、霊柩車や火葬炉への移動が円滑にできる金具類及び金釘無し棺を提供する。【解決手段】第１底板４ａと、第１底板の底面側を支持する第１桟木４１と、第１桟木の底面側を支持し、第１桟木を第１底板とで挟み込むことにより二重構造の棺底板を構成する第２底板４ｂと、を備える。また、第１側板２ａと、第１側板２ａの外面側に接合させる第２桟木２１と、第２桟木の外面側に接合され、第２桟木を第１側板とで挟み込むことにより二重構造の棺側板を構成する第２側板２ｂと、を備える。棺底板と棺側板とが接合された状態で第１底板が嵌合される嵌合溝７が、第１側板２ａと第２桟木２１とに設けられている。【選択図】図５
