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公开(公告)号：US4204669A
公开(公告)日：1980-05-27
申请号：US967494
申请日：1978-12-07
Applicant: Ernst D. Nystrand
Inventor： Ernst D. Nystrand
CPC classification number: B65H45/20
Abstract: A method and apparatus for zig-zag folding in which stack lean can be corrected by angularly shifting one gripper-tucker member relative to the other where the gripper anvil tip and the gripper element tip are each a constant distance from the tucker tip during entry of the tucker into the gripper.
Abstract translation: 一种用于锯齿形折叠的方法和装置，其中可以通过相对于另一个夹持器折叠构件成角度地移动一个夹持器构件来校正堆垛，其中夹持器砧尖端和夹持器元件尖端在进入期间与折叠顶端的距离保持恒定的距离 把纸夹入夹子。
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公开(公告)号：US4205836A
公开(公告)日：1980-06-03
申请号：US967426
申请日：1978-12-07
Applicant: Ernst D. Nystrand
Inventor： Ernst D. Nystrand
CPC classification number: B65H45/20
Abstract: A method and apparatus for zig-zag folding in which a slotted receiving cage along with separator means are provided for exact count separation.
Abstract translation: 一种用于锯齿形折叠的方法和装置，其中开槽接收笼与分离装置一起被提供用于精确计数分离。
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公开(公告)号：US4279411A
公开(公告)日：1981-07-21
申请号：US67881
申请日：1979-08-20
Applicant: Ernst D. Nystrand
Inventor： Ernst D. Nystrand
CPC classification number: B65H45/24
Abstract: A method of lapping webs wherein two series of web sections are advanced, reversely folding a portion of each section about a transverse line adjacent the section leading edge to lap a portion of the preceding section adjacent the trailing edge, and retarding one series relative to the other.
Abstract translation: 一种研磨纤维网的方法，其中两个纤维网部分是前进的，每个部分的一部分围绕邻近所述部分前缘的横向线反向折叠，以便在邻近所述后缘的区域上搭接所述前一部分的一部分，并且相对于 其他。
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公开(公告)号：US4163548A
公开(公告)日：1979-08-07
申请号：US871236
申请日：1978-01-23
Applicant: Ernst D. Nystrand
Inventor： Ernst D. Nystrand
CPC classification number: B65H29/6609 , B65H39/02 , B65H45/24 , B65H2301/44472
Abstract: A method of lapping webs to provide a product suitable for zig-zag folding or rewinding wherein a web is advanced from each of a pair of parent rolls, the web transversely severed into discrete identical sheets which are then lapped no more than one-third the length of each sheet, and thereafter the lapped sheets from each parent roll are combined in staggered reverse relationship whereby all exposed edges face one direction.
Abstract translation: 一种研磨幅材以提供适合于之字形折叠或重绕的产品的方法，其中幅材从一对母辊中的每一个推进，所述幅材横向切割成离散的相同片材，然后将其重叠不超过三分之一 每个薄片的长度，然后从每个母辊的重叠的片材以交错的反向关系组合，由此所有暴露的边缘面向一个方向。
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