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    • 2. 发明公开
    • SEALED LETTER PREPARATION DEVICE AND ENVELOPE PAPER
    • VORRICHTUNG ZUR HERSTELLOW VERPACKTER BriefE UND BRIEFUMSCHLAGPAPIERDAFÜR
    • EP2633990A1
    • 2013-09-04
    • EP11836335.7
    • 2011-10-26
    • Riso Kagaku Corporation
    • WAKATABI, TadayukiKATADA, Yasuhiro
    • B31B21/60B31B27/60B42D15/08B43M3/04B43M5/04B65D27/10B65D27/16
    • B31B70/60B43M3/04B43M5/04B43M5/047B65D27/14B65D27/34B65D27/36G03G15/6594G03G2215/00426G03G2215/00514
    • In a sealed letter producing device which folds and seals, with a content, an envelope sheet on which pressure-sensitive adhesives are provided, sealing with pressure rollers smaller than in conventional rollers is achieved.
      Pressure-sensitive adhesives 106 are provided in both edge portions in the width direction of an envelope sheet 100, and remoistening paste 107 is provided inwardly of both edge portions. The remoistening paste is moistened when the envelope sheet wrapping a content is bent and formed into an envelope 50, the entire surface of the envelope is pressurized by low-pressure rollers and adhered with the remoistening paste, and further only both edge portions of the envelope 50 are pressurized by an upper and lower set and a left and right pair of the pressure rollers 80, 80 having a small width to adhere the pressure-sensitive adhesive 106. High pressure required for adhesion of the pressure-sensitive adhesives is only necessary in both edge portions of the envelope, and therefore small pressure rollers 80 will suffice.
    • 在密封字母制作装置中,用内容物折叠和密封设置有压敏粘合剂的信封片,实现了与传统辊子相比较小的压力辊的密封。 压敏粘合剂106设置在包封片100的宽度方向的两个边缘部分中,并且再润色膏107设置在两个边缘部分的内侧。 当将包裹内容物的信封片弯曲并形成为外壳50时,再润湿糊剂被润湿,外壳的整个表面通过低压辊加压并与再润湿膏粘合,并且还包括外壳的两个边缘部分 50被上下组以及具有小宽度的左右一对加压辊80,80加压以粘合压敏粘合剂106.粘合所需压力高的压力仅在 外壳的两个边缘部分,因此小的压力辊80就足够了。