公开(公告)号：US11642867B2

公开(公告)日：2023-05-09

申请号：US14370505

申请日：2012-01-06

申请人： Agnès Durin-France ,  Donatien Coulon ,  Jean-Jacques Provost ,  Jean-Marie Nicolas Bonifacy

发明人： Agnès Durin-France ,  Donatien Coulon ,  Jean-Jacques Provost ,  Jean-Marie Nicolas Bonifacy

IPC分类号： B32B3/26 ,  B65D85/76 ,  B65D33/01 ,  B26F1/20 ,  B32B23/08

CPC分类号： B32B3/266 ,  B26F1/20 ,  B32B23/08 ,  B65D33/01 ,  B65D85/76 ,  B32B2250/02 ,  B32B2250/24 ,  B32B2307/724 ,  B32B2317/18 ,  B32B2318/02 ,  B32B2439/70 ,  Y10T428/24331

摘要： Packaging sheet (1) intended for packaging a food product, in particular a cheese product, the packaging sheet (1) comprising:



an internal membrane (5) comprising at least one internal plastic layer (7) intended to be oriented towards the product to be packaged; and
a printable external surface (10), the external surface (10) being intended to be oriented away from the product to be packaged,

characterized in that the or each internal plastic layer (7) has a plurality of microperforations (8, 9) arranged in a random fashion on the or each internal plastic layer (7) in such a manner that the air permeability of the internal membrane (5) is comprised between 20 mL/min Bendtsen and 50000 mL/min Bendtsen.