Importance

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Abstract

The present disclosure is for improvements to metallic refractory anchors heretofore in use which are of a general S type configuration and which are welded to metallic walls of vessels to secure in place refractory insulation of a high abrasion resistance. The improvements consist of reforming the weld end of the S anchor in a manner to reduce the length to width ratio of the weld end to approximately no greater than 6 to 1 to permit stud welding of the anchor by the stud end welding technique. Additional metallic members are resistance welded to the weld end of the anchor to decrease the length to width ratio to within the range capable of stud welding. The additional metallic members may be formed of separate members or by extended legs of the metal anchor folded back onto a weld projection and resistance welded in place.

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First Claim