Importance

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Abstract

First and second arrays of alternately fixed and mobile, transversely spaced, elongated fire dogs are arranged in a furnace for heating iron and steel products, the fire dogs lying parallel to the longitudinal axis thereof, the second array being transversely offset from the first array, whereby the fixed fire dogs of the first array extend therebeyond substantially to a line common with the ends of the fixed fire dogs of the second array, the mobile fire dogs of the second array extending therebeyond and overlapping the extended portions of the fixed fire dogs of the first array, one of the mobile fire dogs of each array lying midway between the fixed fire dogs thereof, and one of the fixed fire dogs of each array lying midway between the mobile fire dogs thereof.

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First Claim