[Problem] To improve joint strength when joining corrugated board sheets together. [Solution] A corrugated board sheet joining structure 1 in which side boards 51, 52 comprising corrugated board sheets and a shelf board 53 comprising a corrugated board sheet are joined together in a state in which short edge portions 531, 532 of the shelf board 53 are respectively caused to abut mutually opposing side surfaces 515, 525 of the side boards 51, 52 has a configuration comprising: a linking member 2 which is attached to one side surface 535 in the thickness direction of the shelf board 53 and includes a first insertion portion 21 which is inserted into the shelf board 53 and a second insertion portion 22 which is inserted into the side board 51, 52 from the side surface 515, 525 of the side board 51, 52; and a headed screw 3 of which a distal end side that has penetrated through from another side surface 516, 521 of the side board 51, 52 to said one side surface 515, 525 is screwed into the first insertion portion 26 inside the shelf board 53.
A47B 55/06 - Cabinets, racks or shelf units, having essential features of rigid construction made of cardboard, paper, or the like
A47B 47/06 - Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements made mainly of cardboard, textile, paper, or the like, e.g. with separate frame of other materials
F16B 5/02 - Joining sheets or plates to one another or to strips or bars parallel to them by means of fastening members using screw-thread
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