Patent ID: 8443507

Claim:
A method for forming a reinforced toolbox comprising the steps of: injection molding step: injection molding a toolbox with plastic material, each edge of the toolbox having a groove formingly defined therein, one end of the groove extending through one end of the edge of the toolbox to form an opening, an inner periphery of the groove being gradually tapered from a bottom thereof to form a dove-tail structure; extruding step: extruding a protector strip with aluminum, the protector strip having a longitudinal rib formed on one side thereof and extending along a length thereof, the longitudinal rib having a shape correspondingly fitting to the groove in the toolbox; cutting step: cutting the protector strip into a plurality of protectors, each protector having a length corresponding to that of the groove in the toolbox; and assembling step: sliding the longitudinal rib of each protector from the opening into the corresponding groove for protecting the edges of the toolbox such that a reinforced toolbox is manufactured.