FIELD: process engineering.
SUBSTANCE: composite bag-in-container package 2 is made by blow moulding from multilayer preform 1 produced by injection moulding. Said package 2 comprises inner layer 21 that makes a bad and outer layer 22 that makes a container, and filler neck 5 communicate bag inner space with atmosphere. Container comprises, at least, one vent channel 3 in area of joint between inner and outer layers to communicate interlayer space with atmosphere. Note here that bag 21 is secured relative to outer layer 22 at, at least, one point 7 located at a distance from said neck 5 and vent channel 7 in area of joint. Note here that attachment point between said inner bag and outer container is produced in blow moulding. Invention covers also the method of making above described bag-in-container. It covers also moulding tool for making said container.
EFFECT: easier lift-out of inner bag from outer container.
16 cl, 5 dwg
Authors
Dates
2012-12-27—Published
2008-04-18—Filed