PROBLEM TO BE SOLVED: To provide a device and a method that lessen decreasing effect of bulkiness recovery of nonwoven fabric by heating.SOLUTION: The device for balkiness recovery for nonwoven fabric recovers bulkiness of nonwoven fabric by heating with blowing hot air and is composed of: a case unit where transporting space for nonwoven fabric is formed; a heating mechanism equipped with an injection port blowing hot air from one side to the other side in the direction of transportation of the nonwoven fabric in the transporting space and a discharge port contacting one side of both sides of the nonwoven fabric and discharging the hot air blowing along the direction of the transportation out of the transporting space; and a deformation mechanism which deforms the nonwoven fabric discharged from the case unit so that one side of the nonwoven fabric is convex.
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