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Ari Ruelf
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15,316. R³lf, A. July 10. Firebars.-A firebar h is bent to and fro at right-angles at regular intervals, and the rectangular spaces so formed are provided with teeth or projections i. In Fig. 4, two such bars are cast together or connected at their ends by transverse head bars h. The interval between the two bars is filled up by teeth cast in groups i, alternately on each bar.
GB190315316D1903-07-101903-07-10"Improvements in and appertaining to Grate Bars." for Furnaces and the like.
ExpiredGB190315316A
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