| 摘要 |
PURPOSE: A manufacturing method of a dusk proof mask is provided to simplify manufacturing process and enhance wearing sensations. CONSTITUTION: A manufacturing method of a dusk proof mask comprises the following steps: dipping ends of both side parts of a top hanger string(21) and ends of both sides parts of a lower part hanger string(22) in a thermoplastic synthetic resin melting solution; constituting a thermoplastic synthetic resin coated layer in the end of both side parts of the top hanger string and end of both side parts of the lower part hanger string putting each of thermoplastic synthetic resin coated layered end of both side parts of the top hanger string and end of both side parts of the lower part hanger string on exterior surface of the hemi spherical shaped dust proof mask body(10); welding the end of both side parts of the top hanger string and end of both side parts of the lower part hanger string on the exterior surface of the dust proof mask body by fusing the thermoplastic synthetic resin coated layers with ultrasonic wave; attaching a nose-like adjusting element(40) to the exterior upper central part of the dust proof mask body.
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