| 摘要 |
PURPOSE: A dust mask and a manufacturing method thereof are provided to reduce manufacturing cost and to facilitate storage and carriage. CONSTITUTION: A manufacturing method of dust masks comprises the following steps: respectively forming first and second main body parts(111,112) in half circle form; forming a main body by attaching a first junction unit(152); and attaching junction unit which is in contact with face of a wearer and a second junction point(154). |
