characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment (for treating continuous lengths of work F27B9/28)

Full Title

Furnaces through which the charge is moved mechanically, e.g. of tunnel type (rotary-drum furnaces with means for agitating or moving the charge F27B7/14); Similar furnaces in which the charge moves by gravity > characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment (for treating continuous lengths of work F27B9/28)

Child Classifications

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• F27B 9/142
• F27B 9/145
• F27B 9/147
• F27B 9/16 the charge moving in a circular or arcuate path
• F27B 9/20 the charge moving in a substantially straight path