NASA NTRS · 19880000199
Flexible Protective Shield For Newly Welded Joints
Abstract
Simple device promotes defect-free welds in oxidation-prone metals. Welding torch pulls trailing shield behind to provide protective shield of argon gas over hot weld bead. Guide at front of torch holder feeds welding wire to joint. Shield bent or straightened to fit closely against weld joint.
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Dyer, Gerald E.. 1988-03-01. Flexible Protective Shield For Newly Welded Joints. https://ntrs.nasa.gov/citations/19880000199
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