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    • 2. 发明公开
    • Method and apparatus for opening an envelope
    • Verfahren und Vorrichtung zumÖffneneines Briefumschages
    • EP0703097A1
    • 1996-03-27
    • EP95202570.8
    • 1995-09-22
    • Hadewe B.V.
    • van der Werff, Jeichienus AdriaanBergwerf, Willem Coenraad
    • B43M7/00
    • B43M7/00
    • An envelope (23) to be opened is moved along a tangent line to a rotating, circular cutting edge (2), with the cutting edge (2) making an incision in a wall of the envelope (23). The envelope (23) is moved at a predetermined speed of transport which is different from the speed of revolution of the cutting edge (2). The cutting edge (2) moves in longitudinal direction along the material to be incised, so that a better cutting action is obtained. Each part of the material to be incised comes into contact with a large part of the cutting edge (2). As a result, the cutting action and the depth of incision are little affected by unroundness and eccentricity of the cutting edge (2). The cutting edge (2) wears uniformly because parts of the cutting edge (2) wear faster according as they project further from the axis of rotation (3). Also disclosed is an apparatus for practising this method.
    • 要打开的信封(23)沿着切线移动到旋转的圆形切割边缘(2),切割边缘(2)在信封(23)的壁上形成切口。 信封(23)以与切割刃(2)的转速不同的传送速度移动。 切割刃(2)沿着要切割的材料在纵向方向上移动,从而获得更好的切割动作。 要切割的材料的每个部分与切割刃(2)的大部分接触。 结果,切割动作和切口深度几乎不受切削刃(2)的不圆和偏心的影响。 切割刃(2)均匀磨损,因为切割刃(2)的部分随着从旋转轴线(3)进一步延伸而磨损得更快。 还公开了一种用于实施该方法的装置。
    • 5. 发明公开
    • Envelope processing machine and method
    • 用于治疗信封方法和装置。
    • EP0041314A1
    • 1981-12-09
    • EP81301489.1
    • 1981-04-07
    • MAIL-EX CORPORATION
    • Russell, Robert James
    • B43M7/00
    • B43M7/00Y10S83/912Y10T83/648
    • The present invention provides a machine and method wherein envelopes (24a) are removed from a supply hopper (22a), one by one, and then transmitted to a plurality of sequentially disposed cutting stations (312 and 114a) wherein one end edge of the envelope is first severed, and thereafter an adjacent side edge of the envelope is severed. The envelope with two adjacent edges thus severed is transmitted to a processing station at which the envelope is opened and held open by suction cups (156a and 164a), for removal of contents by an operator. The envelope is thereafter transmitted to a detector station (211 a) to confirm content removal and then to a recovery station, and then to a point of discharge. Means (320) is provided for adjusting the opening of the suction cups at the processing station, and stop means (350 and 352) is provided for positioning the envelope as it reaches the processing station. The envelope is transmitted toward the processing station in horizontal disposition, and in one form of the invention (Figs. 11, 12 and 13) at the processing station it is repositioned into angular disposition prior to the gripping action of the suction cups.