초록 ▼

This invention provides a collapsible box made of corrugated plastic, which has improved hinge line/score line configurations between walls and panels and improved hand holds. A plastic box of this invention preferably has an automatically lockable bottom to facilitate erection of the box, and can b

This invention provides a collapsible box made of corrugated plastic, which has improved hinge line/score line configurations between walls and panels and improved hand holds. A plastic box of this invention preferably has an automatically lockable bottom to facilitate erection of the box, and can be easily collapsed for return shipment and reuse.

대표청구항 ▼

[ What is claimed is:] [1.] A collapsible box made of corrugated plastic comprising at least four vertical side walls and a bottom end flap integrally connected to each of said side walls through a hinge line, wherein each hinge line between the respective side wall and its respective bottom end fla

[ What is claimed is:] [1.] A collapsible box made of corrugated plastic comprising at least four vertical side walls and a bottom end flap integrally connected to each of said side walls through a hinge line, wherein each hinge line between the respective side wall and its respective bottom end flap is vertically offset from the adjacent hinge lines, and each of said hinge lines between each said side wall and its respective end flap comprises a crushed score line and a perforated score line substantially parallel to said crushed score line.