Cardboard packing box for cartridge container

Abstract

A cardboard packing box for packing a cartridge container which has a case shell including two mating case shell halves identical in dimensions with each other and forming a plurality of compartments for receiving sets of a specified number of flat tape cartridge units therein, respectively, each mating case shell half having a pair of bottom fitting frames different in size so that one of the bottom fitting frames of one mating case shell half is fitted in another mating case shell half by insertion so as thereby to be able to couple the cartridge container to another, comprises a cardboard box identical in internal dimension with a horizontal projection of the case shell of the cartridge container; and a pair of cardboard backing pads each of which has a pair of openings in which the bottom fitting frames of each mating case shell halves are fitted respectively by insertion.

1 . A cardboard packing box for storage of a cartridge container which has a case shell comprising two mating case shell halves identical in dimensions with each other and forming a plurality of compartments for receiving sets of a specified number of flat tape cartridge units therein, respectively, each said mating case shell half having at least one pair of bottom fitting flames different in size so that one of said bottom fitting flames of one of said two mating case shell halves is fitted in another of said two mating case shell halves by insertion so as thereby to be able to be coupled to another said cartridge container together, said cardboard packing box comprising:
 a cardboard box having internal dimensions substantially identical with a horizontal projection o said case shell of said cartridge container; and   a pair of cardboard backing pads each of which is substantially identical in external dimension with said cardboard box and has a pair of openings which said bottom fitting frames of each said two mating case shell halves are fitted respectively by insertion.   
   
   
       2 . A cardboard packing box as defined in  claim 1 , wherein each said cardboard backing pad has two or more pairs of said openings. 
   
   
       3 . A cardboard packing box as defined in  claim 1 , wherein each said cardboard backing pad comprises a combination of at least two cardboards different in thickness. 
   
   
       4 . A cardboard packing box as defined in  claim 1 , wherein each said cardboard backing pad has at least one fingerhold opening formed therein. 
   
   
       5 . A cardboard packing box as defined in  claim 1 , wherein said cardboard box has a horizontal cross-sectional area of 300 mm×400 mm. 
   
   
       6 . A cardboard packing box as defined in  claim 5 , wherein said cardboard backing pad is shaped so as to have a clearance between 0 and 20 mm with said cardboard box.