B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
78/62
B23K 5/00 (2006.01)
Patent
CA 1079549
METHOD OF JOINING TWO SHEET METAL PARTS Abstract of Disclosure A method of joining first and second sheet metal parts along a common seam formed from a first surface on the first part and a second surface generally machine the first surface and of the second part. These surfaces define therebetween random spaces of variable thickness when the surfaces are assembled in a generally abutting coextensive relationship. The method includes applying a non-hardenable layer of corrosion resistant material to at least one of the surfaces with the material being thixotropic, cohesive with the metal and capable of forming a heat insulating, pliable, coherent gel upon being subjected to a given temperature generally sufficient to melt the metal of the parts, placing the surfaces together to jointly form the common seam with the material filling the random spaces, holding the surfaces in the placed positions and then welding the surfaces together at a temperature at least as high as the given temperature along a weld line generally coextensive with the seam whereby a line of the gel of the material forms along and generally parallel to the weld line.
308406
Featherstone Harry E.
Sniff Walter G. (jr.)
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