Packaging box sheet

Abstract

To provide a packaging box sheet which can be transported and stored without taking up space and can easily be assembled during use to obtain a Hari-bako that has excellent appearance. A packaging box sheet assembled to obtain a Hari-bako includes a base paper and a decorative paper. The base paper includes a first lateral plate and a second lateral plate each of which has an outer edge each having a rectangular shape, etc. in a plan view, and at least a third lateral plate which has an outer edge having a rectangular shape in a plan view and which is disposed between the first lateral plate and the second lateral plate. The decorative paper includes: a first portion which is pre-bonded to the first lateral plate and the third lateral plate; a second portion which corresponds to the second lateral plate, is continuous with the first portion, and has at least a part that is separated from the second lateral plate without being bonded thereto; and a flap portion which is continuous with the first portion and which is provided so as to be projected from the first portion to a side opposite to the second portion. At least the part of the second portion and the flap portion each includes an adhesive layer and a release paper.

1 . A packaging box sheet assembled to obtain a Hari-bako comprising:
 a sheet-like base paper; and   a decorative paper disposed on an outer surface of the base paper;   wherein the base paper comprises:   a first lateral plate and a second lateral plate each of which has an outer edge each having a quadrangular shape in a plan view; and   at least a third lateral plate which has an outer edge having a quadrangular shape in a plan view and which is disposed between the first lateral plate and the second lateral plate;   wherein the decorative paper comprises:   a first portion which is pre-bonded to the first lateral plate and the third lateral plate;   a second portion which corresponds to the second lateral plate, is continuous with the first portion, and has at least a part that is separated from the second lateral plate without being bonded thereto; and   a flap portion which is continuous with the first portion and which is provided so as to be projected from the first portion to a side opposite to the second portion; and   wherein at least the part of the second portion and the flap portion each comprises:   an adhesive layer; and   a release paper which covers the adhesive layer.   
     
     
         2 . The packaging box sheet according to  claim 1 ,
 wherein the whole part of the second portion is separated from and not bonded to the second lateral plate; and   wherein the whole part of the second portion has the adhesive layer and the release paper.   
     
     
         3 . The packaging box sheet according to  claim 1 ,
 wherein each of the first the lateral plate, the second lateral plate, and the third lateral plate has a rectangular shape in a plan view.   
     
     
         4 . The packaging box sheet according to  claim 1 ,
 wherein each of the first the lateral plate, the second lateral plate, and the third lateral plate has an isosceles trapezoidal shape in a plan view.   
     
     
         5 . The packaging box sheet according to  claim 1 ,
 wherein the flap portion of the decorative paper is configured to connect the first lateral plate and the second lateral plate, by peeling off the release paper, bringing the adhesive layer into contact with the second lateral plate, and bonding the flap portion to the second lateral plate.   
     
     
         6 . The packaging box sheet according to  claim 5 ,
 wherein at least the part of the second portion of the decorative paper is configured to cover the flap portion after the flap portion is bonded to the second lateral plate, and to bond to the second lateral plate.   
     
     
         7 . The packaging box sheet according to  claim 1 ,
 wherein the base paper further comprises a rectangular bottom plate arranged adjacent to one of the four sides of the third lateral plate that is adjacent to neither the first the lateral plate nor the second lateral plate,   wherein the decorative paper further comprises a fourth portion which corresponds to the bottom plate, is separated from and not bonded to the bottom plate, and is connected to the first portion,   wherein the fourth portion of the decorative paper comprises:   
       an adhesive layer; and
 a release paper which covers the adhesive layer. 
 
     
     
         8 . The packaging box sheet according to  claim 2 ,
 wherein the base paper further comprises a rectangular bottom plate arranged adjacent to one of the four sides of the third lateral plate that is adjacent to neither the first the lateral plate nor the second lateral plate,   wherein the decorative paper further comprises a fourth portion which corresponds to the bottom plate, is separated from and not bonded to the bottom plate, and is connected to the first portion,   wherein the fourth portion of the decorative paper comprises:   
       an adhesive layer; and
 a release paper which covers the adhesive layer. 
 
     
     
         9 . The packaging box sheet according to  claim 3 ,
 wherein the base paper further comprises a rectangular bottom plate arranged adjacent to one of the four sides of the third lateral plate that is adjacent to neither the first the lateral plate nor the second lateral plate,   wherein the decorative paper further comprises a fourth portion which corresponds to the bottom plate, is separated from and not bonded to the bottom plate, and is connected to the first portion,   wherein the fourth portion of the decorative paper comprises:   
       an adhesive layer; and
 a release paper which covers the adhesive layer. 
 
     
     
         10 . The packaging box sheet according to  claim 4 ,
 wherein the base paper further comprises a rectangular bottom plate arranged adjacent to one of the four sides of the third lateral plate that is adjacent to neither the first the lateral plate nor the second lateral plate,   wherein the decorative paper further comprises a fourth portion which corresponds to the bottom plate, is separated from and not bonded to the bottom plate, and is connected to the first portion,   wherein the fourth portion of the decorative paper comprises:   
       an adhesive layer; and
 a release paper which covers the adhesive layer. 
 
     
     
         11 . The packaging box sheet according to  claim 5 ,
 wherein the base paper further comprises a rectangular bottom plate arranged adjacent to one of the four sides of the third lateral plate that is adjacent to neither the first the lateral plate nor the second lateral plate,   wherein the decorative paper further comprises a fourth portion which corresponds to the bottom plate, is separated from and not bonded to the bottom plate, and is connected to the first portion,   wherein the fourth portion of the decorative paper comprises:   
       an adhesive layer; and
 a release paper which covers the adhesive layer. 
 
     
     
         12 . The packaging box sheet according to  claim 6 ,
 wherein the base paper further comprises a rectangular bottom plate arranged adjacent to one of the four sides of the third lateral plate that is adjacent to neither the first the lateral plate nor the second lateral plate,   wherein the decorative paper further comprises a fourth portion which corresponds to the bottom plate, is separated from and not bonded to the bottom plate, and is connected to the first portion,   wherein the fourth portion of the decorative paper comprises:   
       an adhesive layer; and
 a release paper which covers the adhesive layer.