Method of joining two pieces

摘要

The device consists of two pieces (a, b) that are to be joined together. On their joining faces, one piece (a) has a locating item in a male relief form, whilst the other (b) to which it is married up, has a locating item in a corresponding female relief form.These locating items in relief, can be in the form of a logo or mark which can identify its origin of manufacture.