PURPOSE: To provide a paper container which can realize sealability and easiness in opening in good adjustment.
CONSTITUTION: A plate paper material 6 having at least heat-bonding plastic layers 5 on an entire surface and an entire rear face is used to form a paper container with a container body and its seal formed. An outlet 1 is provided on tilted upper faces 2a, 2b of the container body 2 by cutting the heat-bonding plastic layer 5 and the plate paper material 6 constituting the tilted upper faces into an open loop. A composite film 10 comprising a barrier layer 8 and a heat-bonding plastic layer 9 is hear-bonded to a rear of a cut 7 of the plate paper material 6 having heat-bonding plastic layers 5 on both a surface and a rear face, and a liner seal is applied on the cut portion 7.
| JPH10211976 | RESOURCE CONSERVATION TYPE BOX TISSUE AND BOX WRAP |
| JP2006347573 | FLANGE SHAPE OF SPOUT |
TANAKA ARATA
IKEDO MIKIYUKI
ASOI EIICHI
