Patent ID: 9527155
Filing Date: 2016-12-27
CPC Classification: B23K

Claim Text:
1. A welding diffuser and contact tip assembly for use with a welding apparatus, the assembly comprising: a diffuser comprising an interior chamber and a plurality of openings defining exit passages from the interior chamber to an exterior of the diffuser, the exit passages being utilized as gas passages for shielding gas used during a welding operation; a contact tip removably coupled to the diffuser, comprising a front portion, a rear portion, and a contact tip bore extending therethrough configured to receive electrode wire; and a diffuser insert disposed within the interior chamber of the diffuser, comprising an insert bore extending therethrough with a first end having a diameter substantially similar to a diameter of electrode wire received within the insert bore, and an angled outer surface, the diffuser insert positioned within the interior chamber of the diffuser such that the angled outer surface of the diffuser insert extends into the interior chamber and directs air and debris flowing therealong in a generally outward radial direction from within the interior chamber of the diffuser towards the exit passages to thereby discharge the debris to an exterior of the diffuser wherein the diffuser insert is arranged to abut the rear portion of the contact tip.