US 11,938,571 B2
Methods and apparatuses for a ventilation nozzle for welding applications
Michael A. Hotz, Owen Sound (CA)
Assigned to Illinois Tool Works Inc., Glenview, IL (US)
Filed by Illinois Tool Works Inc., Glenview, IL (US)
Filed on Oct. 5, 2020, as Appl. No. 17/062,975.
Claims priority of provisional application 62/936,773, filed on Nov. 18, 2019.
Prior Publication US 2021/0146487 A1, May 20, 2021
Int. Cl. B23K 37/00 (2006.01)
CPC B23K 37/006 (2013.01) 17 Claims
OG exemplary drawing
 
1. A ventilation conduit for a welding torch, comprising:
a conduit body comprising at least a first part and a second part; and
a conduit nozzle,
wherein:
the at least the first part and the second part are configured to be removably coupled around an outside of a welding torch, and
the conduit nozzle, with a first end that is beveled and a second end, is configured to be removably coupled by the second end to the conduit body,
wherein a mouth portion of the conduit nozzle comprises tabs arranged around a circumference of the mouth portion to decrease a cross-section area for air flow into the conduit nozzle, adjacent ones of the tabs being separated by gaps to allow gas flow through the gaps.