The present invention relates to an article (1) composed of at least two layers superposed and welded to define a paving comprising at least three tiles (2), each tile (2) comprising at least three sides and three vertices, said tiles (2 ) extending in at least two directions of the space defining a plane, said tiles (2) being adjacent and connected to each other by at least one of their sides, said tiles (2) comprising at least one compartment (3) including at least one absorbent material of aqueous media or a filling material, said tiles (2) being closed and connected to each other by at least one weld, said weld being made ultrasonically, thermally or by any type of weld known to the skilled person, characterized in that the weld is composed of a frangible line (8) consisting of a succession of weakening welds (6) and junction points (7) or a pre-cut bor on both sides of a mixing weld (5), said mixing weld being enlarged near the top of each tile (2) so that the corner of the tiles (2) is reinforced by a surface of increased welding； the present invention also relates to a method of manufacturing said article, and a device for implementing the manufacturing method. The article according to the invention can be used as a cooling thermal compress. La présente invention concerne un article (1) composé d'au moins deux feuillets superposés et soudés pour définir un pavage comprenant au moins trois tuiles (2), chaque tuile (2) comprenant au moins trois côtés et trois sommets, lesdites tuiles (2) se déployant dans au moins deux directions de l'espace définissant un plan, lesdites tuiles (2) étant adjacentes et connectées les unes aux autres par au moins un de leurs côtés, lesdites tuiles (2) comprenant au moins un compartiment (3) incluant au moins un matériau absorbant de milieux aqueux ou un matériau de remplissage, lesdites tuiles (2) étant fermées et connectées les unes aux autres par au moins une soudure, ladite soudure étant réalisée par ultrasons, thermi
