Integral blow molded inner bag container that has an inner layer and the outer layer made of the same material and preform to produce it

摘要

An internally molded blow molded container suitable for dispensing a liquid contained in an inner bag (21) by squeezing it after a pressure control in the region between the inner bag (21) and the outer container (22), said container with inner bag comprising the same polymer in contact on any face of the interface between the inner bag (21) and the outer container (22).