Method for making a blown bag-in-box composite container

Details Method for making a blown bag-in-box composite container Method for making a blown bag-in-box composite container

1989-10-26

1991-09-17

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264516, 264524, 425503, 493183, B29C 4904, B29C 4924

Patent

active

050493493

ABSTRACT:
An improved bag-in-box (BIB) composite container in which the container's inner bag is blow-molded inside the container's outer box. In one preferred method the body portion, which is a heated and softened preform preferably made of polyethylene terephthalate (PET) is placed within a carton through an aperture in the carton's top end panel, followed by injecting a pressurized gas into the preform to expand it into a bag within the outer box. In another particularly preferred method, a parison is extruded into an outer carton through an aperture in the carton's top end panel, followed by injecting a pressurized gas into the parison to expand it into a bag within the outer box.

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