Composite pack for filling liquid material

Abstract

A composite pack for filling liquid material having an interior member as a non-self-standing type liquid material filling package member of filling a liquid material and an exterior member capable of stably holding the interior member, includes a bag-shaped interior member formed by the liquid material into a soft package bag and an exterior member for housing the interior member and including a cylindrical body, a bottom wall disposed at a lower end of the cylindrical body and an opening portion formed in an upper end of the cylindrical body. The interior member includes a sheet-like nozzle for pouring the liquid material protruded in an upper end portion or a side end upper portion of the package bag, and the exterior member includes at the opening portion a sealing structure unit having a top face wall closing the opening portion and plural vertical rubs standing from the top face wall.

Dependencies are inferred from the claim text.