Apparatus and method for envelope flap opening
作者： Peter J. Watson , Keith John Yates , Keith George Robert Watts , Barry W. Simkins
DOI:
关键词: Envelope (motion) 、 Line (text file) 、 Flapping 、 Acoustics 、 Structural engineering 、 Physics
摘要: An unflapped envelope (60) is fed, with its crease line trailing, along a path (42) from an feeder and between the rollers of reversibly driveable roller pair (43), for onward transfer to, example, insertion station. When reaches predetermined point in front drive reversed leading directed flapper path, including deflecting surface 46; to flapping chamber or zone (47), at least until flap (61) engageable by blade (44;44 a). The then again driven back opening (49) (44) elements (44 a), causing be stripped body as it exits zone, proceeds
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