Box with reinforced corners

Claim 1

A storage bin assembled by folding a one-piece card- or corrugated board structure, comprising: a bottom panel; two opposite side wall panels connected respectively to lateral sides of the bottom panel along lateral score lines; rear wall panel connected to the rear side of the bottom panel along a rear score line; a rear locking panel connected to the other side of the rear wall panel along intermediate rear score lines; rear flaps connected to the rear side of each side wall panel and foldable about the score line; rear locking means including rear lock tabs projecting respectively from lateral sides of said rear locking panel, said side wall panels including rear locking slots provided respectively in the rear end portions thereof to receive said rear lock tabs when said bin is folded in its assembled conditions; front wall panel connected to the front side of the bottom panel along a front score line; a front locking panel connected to the other side of the front wall panel along intermediate front score line; short front flaps connected respectively to a lower portion of the front side of each side wall panel along a short score line; tuck means including tuck flaps connected respectively at their short sides to the lateral sides of said front locking panel along score lines to bear against inner surface portions of respective side walls, said tuck flaps including tuck flap portions connected laterally to said front locking panel and foldable about parallel score lines, said side walls including tuck slots provided in the front end portion thereof opposite said short front flap and being spaced apart from the latter approximately a distance corresponding substantially to the length of one of said tuck flap portions, with the remaining tuck flap portions passing from inside to outside of said bin through said tuck slot and with a tuck flap portion being inserted into the space between said short front flap and said front locking panel for engaging and locking in position said tuck flaps; and front locking means including front lock tabs projecting from the other side of the front locking panel; with said bottom panel including front lock slots provided in the front end portion thereof for engaging said front lock tabs when the bin is in its assembled condition.