| 摘要 |
The invention relates to a method of tamper-proof assembly of two plastic shells together forming a sealed package. The method according to the invention is characterised in that perforations 2, in at least one of the shells 1, 3, and projections 4 projecting into at least one of the shells 1, 3, are made, the two shells 1, 3 are assembled by inserting the projections 4 of one shell 3 into the perforations 2 of the other shell 1, and each of the said projections 4 is flattened by a tool 6 which moves substantially helically about the axis of the said projection 4. Application to the packaging industry. <IMAGE> |
