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1. 发明授权

US5665198A System for envelope sealing in an insertion machine 失效
标题翻译：插入机信封密封系统
公开(公告)号：US5665198A
公开(公告)日：1997-09-09
申请号：US480565
申请日：1995-06-07
申请人： Thomas E. Bieber , Jack H. Shaneberger , Daniel B. Hein , David M. Skvoretz
发明人： Thomas E. Bieber , Jack H. Shaneberger , Daniel B. Hein , David M. Skvoretz
IPC分类号： B43M5/04 , B05C1/00
CPC分类号： B43M5/042 , Y10T156/1798
摘要： An envelope sealer includes a first horizontal plate for receiving an envelope, a vacuum manifold for drawing open the envelope's downward-facing flap as it departs from the first horizontal surface, and a plow for catching the flap and directing it such that the flap travels below a second horizontal plate while the body of the envelope travels above the second horizontal plate. A fiber-optic sensor system is provided for detecting the non-presence of a flap during the travel of the envelope over the second horizontal plate and for actuating a downstream diverter in response thereto. An unseal unseal ramp is provided for lifting the flap over the plow if it is determined that the envelope should not be sealed. During the flap 's travel below the second horizontal plate, it passes and engages a wetted brush, whereby water is applied to the flap's adhesive surface. The flap is then directed upward by a ramp into a closed position, and passes through the nip of a sealer roller which compresses the envelope and flap together to form a seal. A water-contol system applies a precise amount of water to the brush in response to sensing the approach of an envelope's leading edge. The water-control system preferably includes a pressurized water tank, a water-pressure-regulator means, a water solenoid valve, a leading edge sensor, and circuit means. In response to sensing the approach of an envelope's leading edge, the circuit means causes the water solenoid valve to release a precise amount of water from the pressurized water tank to the brush. A water storage tank, pump means, and water pressure sensor cooperate with the circuit means to maintain the water pressure in the pressurized water tank within predetermined upper and lower limits.
摘要翻译：信封封口机包括用于接收信封的第一水平板，用于在离开第一水平表面时打开信封向下的挡板的真空歧管，以及用于抓住挡板并引导其使挡板行进到下方的真空歧管第二水平板，同时信封的主体行进在第二水平板之上。提供了一种光纤传感器系统，用于在第二水平板上的信封行进期间检测不存在襟翼，并响应于此而启动下游转向器。如果确定信封不应该被密封，则提供一个非密封的非密封斜坡，用于将襟翼提升到犁上。在第二个水平板下方的襟翼行进期间，它通过并接合湿润的刷子，由此将水施加到翼片的粘合剂表面。然后将挡板向上由斜坡引导到关闭位置，并且通过密封辊的辊隙，压缩辊将密封件压缩在一起以形成密封。响应于感测信封前缘的接近，水轮廓系统将精确量的水应用于刷子。水控制系统优选地包括加压水箱，水压调节装置，水电磁阀，前缘传感器和电路装置。响应于感测信封前缘的接近，电路装置使得水电磁阀将精确量的水从加压水箱释放到刷子。储水箱，泵装置和水压传感器与电路装置配合，以将加压水箱中的水压保持在预定的上限和下限之内。

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