PROBLEM TO BE SOLVED: To provide an assembly-type casket which is easy and stable to assemble and has an excellent appearance. SOLUTION: A rectangular bottom plate 1, a base side plate facing the left and right long sides of the bottom plate, base gable plates 3 and 4 facing the front and rear short sides of the bottom plate, and foldable with respect to the base side plate. A pair of left and right collapsible side plates connected to each other, and a pair of front and rear bayonet plates inserted between the base side plate and the collapsible side plate in an upright state. The engaging means 51, 61 are provided so that the engaged means are provided on both end surfaces of the bayonet plate so as to face each other and are engageable, and the retaining means 8 is provided in the engaging means and the engaged means. It is formed. It is possible to easily and reliably fix the bayonet plate without requiring additional work for preventing the bayonet plate from coming off. [Selection diagram] Fig. 3【課題】組立が容易かつ安定で外観にも優れた組立式棺桶を提供する。【解決手段】矩形の底板１と、底板の左右長辺側に向き合って設けられる基礎側板と、底板の前後短辺側に向き合って設けられる基礎妻板３、４と、基礎側板に対して折り畳み可能に連結される左右一対の可倒側板５、６と、基礎側板及び起立させた状態の可倒側板との間に差し込まれる前後一対の差込妻板とを備え、可倒側板の両端部内面に係合手段５１、６１が、差込妻板の両端面に被係合手段が、対向して設けられると共に、係合可能に形成され、係合手段及び被係合手段には抜け止め手段８が形成される。差込妻板の抜止防止のための別作業を必要とせず、差込妻板の固定を容易かつ確実とすることができる。【選択図】図３
