| 摘要 |
In producing slide fastner having a wrapping spiral curve, the string from the formed thermoplastic resin was heated in the stability of dimension and sewed in the tape made of its synthetic fiber made from synthetic filament. Herewith synthetic filament and fiber were made of thermoplastic resin and the fastner of spiral curve, string and tape was heated and treated at the temperature of the near melting point.
|
