B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
148/27, 164/4
B23K 7/10 (2006.01) B23K 7/08 (2006.01) B23K 37/02 (2006.01)
Patent
CA 1195216
"Apparatus and method for scarfing" ABSTRACT OF THE DISCLOSURE An inspection track is scarfed by moving a burner across a flat surface of a steel slab, particularly a slab of ductile steel of deep-drawing quality, to enable sub-surface inspection of the slab. To achieve accurate control of the depth of the track, the burner is mounted on a burner carriage having at least one skid surface which contacts the slab surface of the slab at an unscarfed region thereof. A guide track is spaced from the slab surface and the carriage is moved with said skid making sliding contact with the slab surface while guided by said guide track. The skid surface makes substantial contact pressure with the slab surface so that scale on the slab surface is pushed aside and/or crushed by the skid surface, whereby the burner is maintained at a substantially constant distance from the slab surface.
411252
Middel Jan
Steenkamp Gezinus A.
Estel Hoogovens B.v.
Ridout & Maybee Llp
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