Cardboard coffin with watertight seal characterized by being formed by the cooperation of different sheets of corrugated die-cut cardboard that have creasing lines for folding, presents to house the deceased of a first element that makes up the outer body (2), formed by a sheet whose geometry generates the bottom of the coffin from which the portions that define the walls of the coffin depart perimeter, these portions that define the walls have a dimension close to twice the height of the body of the coffin as they are bent inwards to forming a double body, it comprises an inner body (8) that starts from a die-cut sheet that generates a base and simple walls deposited on top of the former, this is retained between the double walls of the first outer body； it comprises an internal reinforcement of the body (7) arranged on the internal body whose perimeter has a plurality of recesses that cooperate producing an adjustment with the complementary projections located on the perimeter of the sheet of the external body, it comprises a pair of supports (3 and 4) generated by the folding of two sheets to elevate the assembly； It comprises a lid (1) formed by a sheet that defines the covering of the box and some double walls and an internal reinforcement of the lid (6) that is deposited inside the lid, both of which are retained through the cooperation of a plurality of recesses located on the perimeter of the reinforcement together with the complementary protuberances present on the outer perimeter of the walls of the cover； it has sealing means by having an adhesive seal (5) located in the contact area of the base with its cover； It includes the internal reinforcement of the body on the face in contact with the deceased from a water-repellent treatment. (Machine-translation by Google Translate, not legally binding)
