Patent ID: 8915984

Claim:
An isolator device comprising: a work chamber; air supply means for supplying air of a unidirectional airflow traveling from an upper part to a lower part in said work chamber; and air discharge means for discharging said unidirectional airflow from a lower part of said work chamber, further including: a bulkhead provided in parallel with a peripheral wall portion of said work chamber along said air of unidirectional airflow; a longitudinal air outlet opened along a width direction below a of a lower end portion in a lower part of the lower end portion of said bulkhead; said air supply means has a rectifying member forming air in said unidirectional airflow; said rectifying member is provided with a frame body formed of a plurality of frame materials and two porous sheets fixed to said frame material so as to cover an upper face and a bottom face of this frame body; said frame material is provided with a plurality of through ports penetrating from the upper face to the bottom face thereof; and said two porous sheets covers only either one of opening portions, that is, an opening portion of said through port and also an upper face opening portion or a bottom face opening portion of said frame material in a portion brought into contact with said frame material and fixed to the frame material.