| 摘要 |
<p>Process for obtaining a multilayer marking device of the type comprising a storage layer of macroporous structure containing a marking liquid, on which a microporous printing or marking surface layer is positioned, whose outer surface is optionally provided with print characters, this process being characterised in that the storage layer consists of a felt which is subjected to a brushing treatment in order to raise the pile situated on the surface of this felt, this pile subsequently constituting a plurality of anchoring points for the microporous outer printing or marking layer which is then moulded onto the surface of the said felt.</p> |
