To achieve nearly 100% opening of even beddings having a large thickness and a cloth having a thin thickness, such as curtain and sheet.

A storage chamber 64 is provided with a connection part 66 connected to the outer atmosphere. The supplied fabric to be opened is opened in fibrous form by metallic wires 6 of an opener body 1. The recycled raw material 51 opened into fibrous form is sucked by a blower 49 and delivered to an exhaustion duct 50 by an air flow supplied to the exhaustion duct 50. The recycled raw material 51 is blown out from the exhaustion duct 50 to the storage chamber 64 to collect the recycled raw material 51 in the storage chamber 64, and the opening object is opened by the opener body 1 while supplying air from the blower 49 to the storage chamber 64 and exhausting air in the storage chamber 64 through the connection part 66.