US Patent 10899495 Storage unit for welding wire

Provided is a storage unit for welding wire including an outer case in which an outer bottom supporting part is formed in a lower end thereof and a wire accommodation part configured to store a wound welding wire is formed therein, a bottom part seated on and coupled to the outer bottom supporting part, and an inner case configured to come into close contact with an inner surface of the outer case and having an inner bottom supporting part seated on the bottom part, formed in a lower portion thereof, wherein the outer case includes a strength reinforcement part and a shock absorption part formed at an inner side of the strength reinforcement part to absorb a shock from the outside.