Importance

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Abstract

A continuous sintering furnace comprises an entrance-side deaerating chamber 23 through which trays 22 may pass, preheating zone 37, heating zone 38 and cooling zone 26 into which the trays 22 are sequentially fed from the deaerating chamber 23, an exit-side deaerating chamber 35 through which the trays 22 having passed through the cooling zone 39 may pass, a pusher 35 for pushing the trays 22 from the deaerating chamber 23 to the preheating zone 37, a puller 36 for pulling the trays 22 from the cooling zone 39 to the deaerating chamber 26, an intermediate puller 43 for pulling the trays 22 fro the heating zone 38 to the cooling zone 39, a door 28 openably mounted between the entrance-side deaerating chamber 23 and the preheating zone 37, and an intermediate door 41 openably mounted adjacent the door 28 and arranged at the upstream end of the preheating zone 37 in the direction of movement of the trays 22, an intermediate door 42 openably mounted between the heating zone 38 and the cooling zone 39, a door 29 openably mounted between the cooling zone 39 and the exit-side deaerating chamber 26. When the door 42 is set to closed position, heat flow to the cooling zone 39 suppressed. Movement of the trays 22 in the cooling zone 39 is effected by the intermediate puller 43 thereby decreasing the number of the trays 22 to be moved by the pusher 35.

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First Claim

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