Patent ID: 9415887
Filing Date: 2016-08-16
CPC Classification: B31B,B32B,B65B,B65D,Y10T

Claim Text:
1. A method for arranging a foil in a tray, which method comprises: providing a tray having a bottom with an upright wall, the upper edge defining a tray opening and with a circumferential outwardly extending flange; providing a tray foil having at least dimensions corresponding with the outer dimensions of the circumferential flange; heating a central zone of the tray foil; and urging the heated central zone of the tray foil against the bottom, the upright wall and at least partially over the outwardly extending flange, wherein the outwardly extending flange is composed out of at least two abutting portions and wherein the edge of the heated central zone runs over the interfaces of abutting portions; and wherein the dimensions of the heated central zone are larger than the tray opening and are, at least along a portion of the edge of the zone, smaller than the dimensions of the outer edge of the outwardly extending flange.