Abstract: The invention relates to a blank that comprises a lid portion of a box; a folding portion which can be erected to form an internal support (S) to house vials, ampoules, miniature bottles or similar articles endowed with a body, a neck and a head, that comprises at least one first section (7) endowed with a first plurality of holes (F7) and at least one second section (9) endowed with a second plurality of holes (F9), one of the two sections being provided with holes that have such dimensions as to retain said articles in correspondence of their necks and presenting around said retaining holes (F9) means for temporarily and reversibly increasing the dimensions of the said holes; at least one folding portion engaging with said internal support (S) for maintain it erect and square. The invention also relates to the boxes obtained from this blank and a procedure for packaging vials, ampoules, miniature bottles or similar articles in such boxes.

Abstract: A method for forming a container 7 starting from a web (3) of heat-bondable material wound on a reel (4) comprises the following operations: forming a tubular element (5) of predetermined diameter and height; mounting the tubular element (5) over a support (16); closing one end of the tubular element (5) to form the open container (7); inserting the container (7) into a mould (12) after heating if necessary; forcing the walls of the container (7) against the inner walls of the mould (12); opening the mould and withdrawing the container (7) from the support (16).