Packaging cushion material, packaging material, and packaged article

Abstract

A packaging cushion material, to be housed in a box body together with an article, includes a holder portion adapted to accommodate the article, a holder support portion adapted to support the holder portion, and a hinge portion connecting the holder portion and the holder support portion to each other. The holder portion, the holder support portion, and the hinge portion are integrally molded as one component. When the packaging cushion material is housed in the box body in a state where the hinge portion is folded, the holder support portion supports the holder portion with the hinge portion interposed therebetween such that the holder portion is displaceable.

What is claimed is: 
     
         1 . A packaging cushion material to be housed in a box body together with an article, the packaging cushion material comprising:
 a holder portion adapted to accommodate the article;   a holder support portion adapted to support the holder portion; and   a hinge portion connecting the holder portion and the holder support portion to each other,   wherein the holder portion, the holder support portion, and the hinge portion are integrally molded as one component, and   when the packaging cushion material is housed in the box body in a state where the hinge portion is folded, the holder support portion supports the holder portion with the hinge portion interposed therebetween such that the holder portion is displaceable.   
     
     
         2 . The packaging cushion material according to  claim 1 , wherein
 when the packaging cushion material is housed in the box body in a state where the hinge portion is folded, the holder is supported by the holder support portion with the hinge portion interposed therebetween so as to be displaceable in a first direction, and   when the packaging cushion material is housed in the box body in a state where the hinge portion is folded, the holder support portion faces the holder portion at a portion of the holder support portion in one side in the first direction and is in contact with the box body at a portion of the holder support portion in the other side in the first direction.   
     
     
         3 . The packaging cushion material according to  claim 1 , wherein
 the holder portion includes a cylindrical portion opened in the first direction and adapted to accommodate the article, and a flange portion extending outward from an opening end of the cylindrical portion, and   the hinge portion connects the flange portion of the holder portion and the holder support portion to each other.   
     
     
         4 . The packaging cushion material according to  claim 3 , wherein the holder support portion includes a first facing surface adapted to face a bottom portion and an outer peripheral surface of the cylindrical portion of the holder portion, when the hinge portion is folded. 
     
     
         5 . The packaging cushion material according to  claim 3 , wherein
 the holder support portion includes a second facing surface adapted to face the flange portion of the holder portion when the hinge portion is folded, and   one of the flange portion and the second facing surface is provided with a protruding portion protruding toward the other.   
     
     
         6 . The packaging cushion material according to  claim 1 , wherein the hinge portion is foldable by 90 degrees. 
     
     
         7 . The packaging cushion material according to  claim 1 , wherein the hinge portion has a band shape having a C-shaped cross section. 
     
     
         8 . The packaging cushion material according to  claim 1 , wherein
 the holder support portion includes a first holder support portion and a second holder support portion,   the hinge portion includes a first hinge portion connecting the holder portion and the first holder support portion to each other, and a second hinge portion connecting the holder portion and the second holder support portion to each other, and   the first holder support portion and the second holder support portion face each other in a second direction intersecting the first direction, when viewed in the first direction.   
     
     
         9 . The packaging cushion material according to  claim 1 , wherein the packaging cushion material comprises a pulp molded body. 
     
     
         10 . A packaging material comprising:
 a box body; and   the packaging cushion material according to  claim 1 .   
     
     
         11 . A packaged article comprising:
 an article;   the packaging cushion material according to  claim 1 ; and   a box body adapted to house the article and the packaging cushion material.