Shock absorbing thermally insulating frozen food bag - has outer layer formed by foamed polyethylene welded to polyethylene foils, one provided with aluminium layer

摘要

Shock absorbing, thermally insulating carrier bag for refrigerated goods is composed of an outer layer formed of foamed polyethylene 0.07 - 0.14 mm thick and an inner layer formed by three layers, two thin polyethylene foils and an intermediate Al layer which is vacuum deposited onto on of the layers. Bag can be closed by an overlying flap wit a closure tab engaging in a slot. Slot forms also a carrier grip. Bag may also be provided with a layer of polyester fibres which is of the uncrushable kind. The foamed layer may be replaced by a polyethylene netting.