作者: Kenji Abe , Akihiko Nakao , Masahiro Naka , Masahiro Sumida
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摘要: Disclosed are a method and an apparatus designed to make window envelope rapidly using water-soluble clarifying agent without causing inconvenience in its area. Upstream of making stage wherein continuous paper while traveling along path travel is successively folded, pasted cut form envelope, applied area on the that become transparent carrying wound plurality drying cylinders so surface faces outwards dry holding out contact with cylinders.