Blank and box for vials and packaging process
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 (F 7 ) and at least one second section ( 9 ) endowed with a second plurality of holes (F 9 ), 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 (F 9 ) 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.
1. A blank in one piece for foldable boxes, comprising
a lid portion ( 1 , 2 ) for opening and closing the box;
adjacent blank sections ( 1 – 5 ) connected to said lid portion ( 2 ) and forming a base ( 4 ) wall and front ( 5 ) and back ( 3 ) walls of the formed box, said adjacent sections defining a major axis (B—B) of the blank;
lateral sections ( 12 , 13 ; 12 a , 13 a ) forming lateral walls of the formed box;
a foldable supporting portion ( 6 – 10 ) that comprises a plurality of sections each having a major axis (A—A) that is substantially perpendicular to the said major axis of the blank (B—B) and that can be erected to form an internal support (S) for housing vials, ampoules, miniature bottles or similar articles ( 18 ) having a body, a neck and a head, said supporting portion (S) comprising a first section ( 7 ) having a plurality of housing holes (F 7 ) to house the body of said articles, an intermediate section ( 8 ), a second section ( 9 ) provided with a plurality of retaining holes (F 9 ) having such dimensions as to retain said articles in correspondence of their necks, means ( 9 a ) for temporarily and reversibly increasing the dimensions of the said holes, located on said blank around said retaining holes (F 9 ), and said two sections ( 6 , 9 ) to be glued on corresponding areas ( 15 , 16 ) of said front wall ( 5 ) in order to secure said supporting portion to said blank;
at least one foldable portion of said blank ( 8 ; 13 , 23 )engaging with said internal support (S) to maintain it erect and square during the vial insertion step, the remaining portions of said blank being in an open position.
2. A blank according to claim 1 , characterized by said at least one folding and engaging portion being constituted by a flap ( 14 ; 23 , 25 ) interlocking with and/or glued to said internal supporting portion (S).
3. A blank according to claim 2 , characterized by said tabs ( 23 ) being provided with folding fins which interlock with the internal support (S).
4. A blank according to claim 1 , characterized by the sections ( 7 , 9 ) being perforated and sufficiently spaced form the base ( 4 ) and from the lid tab ( 2 ) after the erection of the support (S) to maintain the extremities of said articles spaced from said base ( 4 ) to said lid tab ( 2 ).
5. A blank according to claim 1 , characterized by said retaining holes being provided with a plurality of slits and being surrounded by weakening lines ( 20 ) defined by polygons circumscribing said holes.
6. A blank according to claim 3 , characterized by said slits having points of retention ( 21 ).
7. A blank according to claim 1 , characterized by said lid portion ( 2 ) of the box and said folding portion forming an internal support (S) being arranged on opposite sides of the blank.
8. A blank according to claim 1 , characterized by said foldable portion ( 8 ) being provided with tabs ( 14 ) suitable for being glued to said side walls ( 13 ; 13 a ).
9. A box obtained from the blank of claim 1 .
10. A box according to claim 9 comprising vials, ampoules or miniature bottles in glass, the neck of said vials, ampoules or miniature bottles being hold by said holes (F 9 ) of the supporting portion (S) of the box.