PROBLEM TO BE SOLVED: To provide a bulkiness recovery apparatus for a nonwoven fabric which can suppress the reduction of a bulkiness recovery effect by heating of the nonwoven fabric, and which is reduced in size.SOLUTION: A bulkiness recovery apparatus 50 for a nonwoven fabric includes: a case unit including a base member, a member which faces a first surface of the base member and demarcates a first transfer space A1 for a nonwoven fabric 3, and a member which faces a second surface opposite to the first surface and demarcates a second transfer space A2 for the nonwoven fabric and a hot air supply source 13. The first transfer space and the second transfer space are different from each other in the transfer direction of the nonwoven fabric. Hot air flowing from one side to the other side in the transfer direction is injected from a first injection port formed in the first surface into the first transfer space, and hot air flowing from the other side in the transfer direction is injected from a second injection port formed in the second surface into the second transfer space. A first hot air chamber communicating with the first injection port and a second hot air chamber communicating with the second injection port are formed within the base member. The first and second hot air chambers are arranged so as to at least partly overlap each other in a direction orthogonal to the first surface.COPYRIGHT: (C)2015,JPO&INPIT【課題】不織布の加熱による嵩回復効果の低減を抑えると共に、コンパクト化を図った不織布の嵩回復装置の提供。【解決手段】ベース部材と、ベース部材の第1面に対向して不織布3の第1搬送空間A1を区画する部材と第1面と反対側の第2面に対向して不織布の第2搬送空間A2を区画する部材とを備えるケースユニットと、熱風供給源13とを有し、第1搬送空間と第2搬送区間とで不織布の搬送方向が異なり、搬送方向一方側から他方側に流れる熱風が第1面に形成された第1噴射口から第1搬送空間に、搬送方向他方側から流れる熱風が第2面に形成された第2噴射口から第2搬送空間に、噴射され、第1噴射口に連通する第1熱風チャンバーと第2噴射口に連通する第2熱風チャンバーとがベース部材の内部に形成され、第1面と直交する方向に第1及び第2の熱風チャンバーとが少なくとも部分的に重なる様に配設された不織布の嵩回復装置50。【選択図】図5
