US 11,986,908 B1
System and apparatus for inspecting welds in normal and transverse directions
Grady A. Hardin, Omaha, NE (US)
Assigned to Valmont Industries, Inc., Omaha, NE (US)
Filed by Valmont Industries, Inc., Omaha, NE (US)
Filed on Jun. 17, 2021, as Appl. No. 17/350,572.
Claims priority of provisional application 63/048,261, filed on Jul. 6, 2020.
Int. Cl. B23K 31/00 (2006.01); B23K 31/12 (2006.01); G01N 29/22 (2006.01)
CPC B23K 31/125 (2013.01) [G01N 29/223 (2013.01); G01N 2291/044 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A transducer wedge assembly, wherein the transducer wedge assembly comprises:
a first transducer wedge;
a second transducer wedge; and
a central spacer wedge;
wherein the central spacer wedge comprises insulating material;
wherein the central spacer wedge is attached to a first side of the first transducer wedge and to a second side of the second transducer wedge;
wherein the central spacer wedge comprises a front, wave direction side and a back side; wherein the width of the back side of the central spacer wedge produces a fixed offset angle between the first transducer wedge and the second transducer wedge.