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公开(公告)号：US20240391721A1
公开(公告)日：2024-11-28
申请号：US18653514
申请日：2024-05-02
Applicant: Paper Converting Machine Company
Inventor： Jacob Liimatta , Jonathon T. Zahn , Cory L. Schubring
IPC: B65H19/12
Abstract: An assembly handles a roll used on a machine in a converting line. A storage assembly has a storage structure that extends above the machine that uses the roll. The storage assembly has a rack for supporting the roll in the storage structure. The rack has a roll mover configured to move horizontally between a stored position and an extended position. A transfer assembly has first and second supports on laterally opposite sides of the converting line. The first and second supports are adjacent to and extending above the machine. The transfer assembly has a lifter that is operatively connected to and supported by the first and second supports. The lifter is configured to move vertically relative to the first and second supports between the storage assembly and the machine. The transfer assembly is configured to transfer the roll between the rack in the storage structure and the machine.
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公开(公告)号：US20240391720A1
公开(公告)日：2024-11-28
申请号：US18660612
申请日：2024-05-10
Applicant: Paper Converting Machine Company
Inventor： Cory L. Schubring
IPC: B65H18/28 , B65H23/04 , B65H23/188 , B65H23/192
Abstract: In a controller for a converting line: (a) mechanical characterization module generates an estimate of an applied web force at a driven roller based upon velocity and torque signals, and mechanical properties associated with an upstream and downstream roller, one or both of which may be the driven roller; (b) a web stiffness estimator module generates a span stiffness estimate, a previous span tension estimate, and a span time constant based upon the span length, the velocity signals from the upstream and downstream roller sensors, a span tension signal from the span tension sensor, and the applied web force estimate from the mechanical characterization module; and (c) a tension control module generates a velocity trim command signal for the driven roller based on the span stiffness estimate, the previous span tension estimate, a web span time constant, a span tension signal, and a span tension setpoint.
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公开(公告)号：US12122609B2
公开(公告)日：2024-10-22
申请号：US17944688
申请日：2022-09-14
Applicant: Paper Converting Machine Company
Inventor： Elijah Scriven , Jonathon Zahn
CPC classification number: B65G43/08 , B65G17/126 , B65G47/261 , B65G2201/0232 , B65G2203/025 , B65G2203/0283 , B65G2203/042
Abstract: An accumulator has a control system for controlling motion of a plurality of buckets on a continuous loop and logs traversing on a log transfer device. The log transfer device delivers a log from an entrance of the log transfer device to a bucket infeed on the accumulator. The bucket infeed receives a log from the log transfer device and allows a bucket to receive the log from the log transfer device. A time for the log to move from the entrance of the log transfer device to the bucket infeed is determined. Based on the time for the log to move from the entrance of the log transfer device to the bucket infeed, the control system controls the accumulator drive to move the continuous loop such that a bucket in the plurality of buckets is positioned at the bucket infeed with sufficient time to allow the bucket to receive the log from the log transfer device.
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公开(公告)号：US12049372B2
公开(公告)日：2024-07-30
申请号：US17350213
申请日：2021-06-17
Applicant: Paper Converting Machine Company
Inventor： Michael E. Techlin , Cory L. Schubring , Elijah Scriven , Stefano Spinelli , Scott K. Houle
CPC classification number: B65H18/14 , B65H19/2292 , B65H19/29 , B65H23/005 , B65H23/044 , B65H23/195 , B65H26/08 , B65H18/023 , B65H19/2269 , B65H2301/41432 , B65H2511/114 , B65H2511/13 , B65H2511/14
Abstract: A converting line for coreless roll products includes a rewinding machine and a controller. A log of convolutely wound web material is wound in the rewinding machine during a wind cycle. A diameter of the log, a caliper of the web material, and an amount of tension of the web is determined at a plurality of time points during a time period of the winding cycle. The controller is enabled to generate a signal to change an operating condition of the converting line based upon at least one of a diameter determination at a time point during the wind cycle, a caliper determination at a time point during the wind cycle, a wound web amount determination at a time point during the wind cycle, and a tension determination at a time point during the wind cycle.
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公开(公告)号：US20240150145A1
公开(公告)日：2024-05-09
申请号：US18405169
申请日：2024-01-05
Applicant: Paper Converting Machine Company
Inventor： Michael E. Techlin
CPC classification number: B65H18/10 , B65H18/20 , B65H18/26 , B65H19/2269 , B65H2301/41447 , B65H2301/41822 , B65H2408/235
Abstract: A rewinding machine winds a web material into a log about a core. The web material to be wound is directed about a rotating winding drum. A continuous loop is spaced from the winding drum and with the winding drum defines a nip through which the core is inserted and through which the web material is directed. A surface of the continuous loop opposite the winding drum across the nip is configured to move in a direction generally opposite of the winding drum for winding the web material about the core. A rider roll defines a winding space with the winding drum and the continuous loop. The rider roll is movable relative to the continuous loop and the winding drum to allow for an increase in a diameter of the log in the winding space during winding of the web material about the core.
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Patent Agency Ranking
公开(公告)号：US20240083133A1
公开(公告)日：2024-03-14
申请号：US18233529
申请日：2023-08-14
Applicant: Paper Converting Machine Company
Inventor： Cory L. Schubring
CPC classification number: B31F1/07 , B31F1/0096 , B31F2201/0741 , B31F2201/0753 , B31F2201/0779 , B31F2201/0784
Abstract: Rolls of an embosser laminator unit may be calibrated with an iterative process of moving axial ends of the roll a set incremental distance until contact between the rolls is made and then making a correction to the distance based upon the end of the roll making contact. The rolls may be move an initial position where the faces of the rolls are devoid of contact with each other. One or both of the rolls may be rotated. The distance between the ends of the rolls may be decreased until the faces of the rolls make contact with each other. The distance between the first ends of the rolls may be increased by an incremental amount, and a determination of contact between the faces of the rolls may be made by alternate movement of the rolls by the incremental amount and position prior to contact.
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公开(公告)号：US11827474B2
公开(公告)日：2023-11-28
申请号：US16987495
申请日：2020-08-07
Applicant: Paper Converting Machine Company
Inventor： Cory P. Gussert
CPC classification number: B65H19/30 , B65G1/127 , B65G47/5145 , B65H19/126 , B65H2301/4134 , B65H2301/4171 , B65H2301/413526 , B65H2405/42
Abstract: A processing line processes logs of convolutely wound web material and has upstream and downstream sections. A main accumulator has buckets that receive, hold, and release logs. An input feeder receives logs from the upstream section and conveys them to a bucket of main accumulator. A loader has a loader accumulator and loader buckets that receive, hold, and release logs. A transfer conveyor between the main accumulator and the loader receives a log from the main accumulator bucket and conveys the log a loader bucket independently of the input feeder. The loader receives a log from the transfer conveyor. The loader conveys the log in the loader bucket to a discharge of the loader. The loader discharge discharges the log from the loader bucket to the downstream section of the processing line.
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公开(公告)号：US11643294B2
公开(公告)日：2023-05-09
申请号：US17545125
申请日：2021-12-08
Applicant: Paper Converting Machine Company
Inventor： Michael E. Techlin , R. Paul Usimaki
CPC classification number: B65H18/10 , B65H18/20 , B65H2301/414 , B65H2404/43
Abstract: A core end engagement assembly is provided for a rewinding machine. The core end engagement assembly is configured to engage an end of the core and transmit rotational movement to the core during winding of the web material about the core. The assembly may include a drive housing. A chuck may project from a first end of the drive housing and may be configured to engage the end of the core. A first actuator may reciprocate the drive housing along a central axis of the core between an engagement and disengagement position of the chuck relative to the core. A second actuator may be mounted on the drive housing. The second actuator may be configured and adapted to move the chuck between release and hold positions. A flexible drive shaft operatively connects with and rotationally drives the chuck.
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公开(公告)号：US20210403266A1
公开(公告)日：2021-12-30
申请号：US17350213
申请日：2021-06-17
Applicant: Paper Converting Machine Company
Inventor： Michael E. Techlin , Cory L. Schubring , Elijah Scriven , Stefano Spinelli , Scott K. Houle
IPC: B65H18/14
Abstract: A converting line for coreless roll products includes a rewinding machine and a controller. A log of convolutely wound web material is wound in the rewinding machine during a wind cycle. A diameter of the log, a caliper of the web material, and an amount of tension of the web is determined at a plurality of time points during a time period of the winding cycle. The controller is enabled to generate a signal to change an operating condition of the converting line based upon at least one of a diameter determination at a time point during the wind cycle, a caliper determination at a time point during the wind cycle, a wound web amount determination at a time point during the wind cycle, and a tension determination at a time point during the wind cycle.
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公开(公告)号：US11208282B2
公开(公告)日：2021-12-28
申请号：US16690261
申请日：2019-11-21
Applicant: Paper Converting Machine Company
Inventor： Joseph A. Blume
IPC: B65H18/16
Abstract: A system has first and second winding drums and a core feeder for inserting a core into a winding nest for forming a convoluted roll. The leading edge of the web is engaged with a threading belt and directed around the first winding drum and through the winding nest to a position where the leading edge is beyond where the core feeder inserts the core into the winding nest thus providing an excess portion of the web between the leading edge and the core feeder core insertion position. A thread-up core is inserted into the winding nest and rotated with the winding drums so that the excess portion moves around the thread-up core. The leading edge is separated from the threading belt, the excess portion of the web is wound around the thread-up core, and the web from the supply is wound around the thread-up core.
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