| 摘要 |
<p>Furnace has/has no muffle and has endless, stepwise-moving conveyor belt which lies, with drum fed with material, on drive plate moving back and forth, and is moved forward by static friction. Belt is completely within furnace space or muffle. Drive is horizontal cross slide mechanism and is coupled, by means acting when drive plate moves backwards, to move lower conveyor drum, which mainly lies beneath floor of furnace or muffle.</p> |
