Importance

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Abstract

A heat treatment furnace may include: a furnace body comprising a heat treatment space; a plurality of movable members; a pusher configured to push the plurality of movable members forward; and a plurality of gas supplying pipes each comprising a gas supplying opening, the gas supplying pipes being aligned in a left-right direction. Each of the movable members may be positioned between a corresponding pair of the gas supplying pipes adjacent in the left-right direction. The heat treatment furnace may include a plurality of gas exhausting openings through which the furnace atmosphere gas in the heat treatment space is exhausted to outside of the furnace body. As the furnace body is viewed in the front-rear direction, the gas exhausting openings may be positioned directly above the intervals between stacks of objects aligned in the left-right direction on the movable members.

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First Claim