Planographic printing plate packing box and planographic printing plate packing structure

Abstract

A planographic printing plate packing box that can help solve problems regarding cost reduction and management adaptability to multiple product types, and a planographic printing plate packing structure using the planographic printing plate packing box is to be provided without damaging the coat of the planographic printing plate. It is a is planographic printing plate packing box ( 30 ), formed by folding one or more corrugated fiberboards, is a packing box for fitting inside and packing a stacked object ( 20 ) of planographic printing plates. Side end portions of corrugated fiberboards are folded, and sides ( 44 T) and ( 48 T) at the tips of end side portions are so arranged as to oppose a side of the stacked object, and the sides of the tips of end side portions and the side of the stacked object are at least as close to parallelism as 30 degrees.

1 . A planographic printing plate packing box, formed by folding one or more corrugated fiberboards, for fitting in and packing inside a stacked object of a plurality of planographic printing plates, the planographic printing plate packing box being, wherein
 an end side portion of the corrugated fiberboard or fiberboard being folded to so arrange side of the end side portion as to oppose a side of the stacked object, and a side of the end side portion and a side of the stacked object are at least as close to parallelism as 30 degrees.   
     
     
         2 . A planographic printing plate packing box, formed by folding one or more corrugated fiberboards, for fitting in and packing inside a stacked object of planographic printing plates, the planographic printing plate packing box being, wherein
 an end side portion of the corrugated fiberboard or fiberboard being folded to so arrange side of the end side portion as to oppose a side of the stacked object, with a spacer member is enabled to be arranged on those out of the four sides of the stacked object that do not oppose the tip of the end side portion, and a side of the spacer member and a side of the stacked object are at least as close to parallelism as 30 degrees.   
     
     
         3 . The planographic printing plate packing box according to  claim 1 , wherein
 two opposite sides out of the end side portions of the corrugated fiberboard are folded.   
     
     
         4 . The planographic printing plate packing box according to  claim 1 , wherein
 the clearance between the side of the tip of the end side of the corrugated fiberboard and a side of the stacked object is 10 mm or less.   
     
     
         5 . The planographic printing plate packing box according to  claim 2 , wherein
 the clearance between the side of the spacer member and a side of the stacked object is 10 mm or less.   
     
     
         6 . A planographic printing plate packing structure, wherein the planographic printing plate packaging structure packs planographic printing plates by using the planographic printing plate packing box according to  claim 1 . 
     
     
         7 . The planographic printing plate packing box according to  claim 2 , wherein
 two opposite sides out of the end side portions of the corrugated fiberboard are folded.   
     
     
         8 . The planographic printing plate packing box according to  claim 3 , wherein
 the clearance between the side of the tip of the end side of the corrugated fiberboard and a side of the stacked object is 10 mm or less.   
     
     
         9 . The planographic printing plate packing box according to  claim 7 , wherein
 the clearance between the side of the tip of the end side of the corrugated fiberboard and a side of the stacked object is 10 mm or less.   
     
     
         10 . A planographic printing plate packing structure, wherein
 the planographic printing plate packaging structure packs planographic printing plates by using the planographic printing plate packing box according to  claim 2 .   
     
     
         11 . The planographic printing plate packing box according to  claim 3 , wherein
 the clearance between the side of the spacer member and a side of the stacked object is 10 mm or less.   
     
     
         12 . The planographic printing plate packing box according to  claim 7 , wherein
 the clearance between the side of the spacer member and a side of the stacked object is 10 mm or less.