Patent ID: 7431157

Claim:
Packaging for sterile products or products intended to be sterilized by a gas, said packaging comprising a tub ( 2 ) made of plastic and a cover sheet ( 14 ) made of a selectively impervious material, fixed to the tub ( 2 ) so as to seal the latter imperviously; characterized in that said packaging comprises a screen ( 20 , 22 ; 24 , 26 ; 26 ) against electron radiation (E), placed along the cover sheet ( 14 ) on the inside of the tub ( 2 ) and dimensioned so as to extend above the products ( 10 ) to be sterilized and so as to delimit a peripheral zone ( 14 a ) for fixing the cover sheet ( 14 ) to the tub ( 2 ); wherein the screen ( 20 , 22 ; 24 , 26 ) is formed of at least two sheets or layers and in that at least one of the said sheets or layers ( 20 ; 26 ) is attached to the cover sheet ( 14 ), whereas at least one other of the said sheets or layers ( 22 ; 24 ) is arranged inside the tub ( 2 ) prior to the sealing of the latter, either over the products ( 10 ) or on ledges provided for that purpose or on a product-positioning piece placed in this tub.