| 摘要 |
PURPOSE:To obtain the subject packaging material having high permeability of smoke in smoking and having beautiful appearance and high productivity by placing strings, etc., on a cloth and mutually interlocking the fibers of both members by needle-punching, etc., to obtain an integrated material. CONSTITUTION:Strings or net 3, etc., are placed on a cloth 2 and the fibers of both members 2,3 are interlocked by mechanical means such as needle punching or high-pressure water-jet to integrate the members and obtain the objective packaging material 1. |
