B65H19/22

Adjustable field of view laser system for web processing

Techniques for processing a web with a laser are provided. In an example, an apparatus for processing web material can include multiple processing stages and a laser assembly. Each of the multiple processing stages can be configured to process a moving web of material along a web path. The laser assembly can be configured to process the moving web of material with a laser at a first stage of the multiple stages. The laser assembly can include a laser configured to generate a laser beam, a gimble assembly configured to direct the laser beam along a cut path at a position of a web path of the moving web of material, and a servo driven mirror assembly configured to provide an adjustable field of view for the laser stage at the position of the web path.

Method for producing coreless roll products

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.

Method and device for applying glue on tubular cores for the production of paper logs
10207887 · 2019-02-19 · ·

Method for applying glue on tubular cores for the production of logs of paper material, comprising the step of supplying in sequence more tubular cores (1) along a predetermined advancing direction (A) and the step of applying on each of said cores (1) a predetermined amount of glue on a first point (P6) and on a second point (P7). The method further comprises a step of orienting the glue (G6) applied on the first point (P6) towards the second point (P7) and along said advancing direction (A), and orienting the glue (G7) applied on the second point (P7) towards the first point (P6) and along a direction opposite relative to said advancing direction (A).

Winder and a turret unit

Winder for an endless lane of a plastic web (2), with a revolving unit (6, 6, 55, 90), which is constructed so as to be rotatable about its axis (16) and has at least two winding shafts (10 to 12, 10 to 12) running parallel to its axis, onto which winding cores (17) can be loaded, then wound with the web (2) to a roll (18), finally unloaded therefrom again as finished rolls (18), wherein on both sides of the revolving unit (6, 6, 50, 90) support arrangements are arranged, in which the winding shafts (10 to 12, 10 to 12) are supported at their corresponding ends therein, and wherein the support for one end of the winding shafts (10 to 12, 10 to 12) is constructed so as to be detachable, such that the respective winding shaft (10 to 12, 10 to 12), with released support, can be loaded and unloaded from this end, characterized in that the detachably constructed support arrangements each have a gripper arrangement (36 to 38) with a two-armed scissor unit (39 to 41), the scissor arms (42, 43) of which surround the winding shaft (10 to 12, 10 to 12) in the closed position and are pivoted away therefrom in the open position.

Winding method

A winding method includes rotating a winding drum; transferring a first web structure from a first lay down station to the web stabilizing bed of a first winding station; cutting the web structure; contacting the web structure with a web assembly hold down element, winding the web structure into a roll assembly; and discharging the roll assembly from the winding drum.

RECORDING MEDIUM TRANSPORT DEVICE AND RECORDING DEVICE
20190016162 · 2019-01-17 · ·

A recording device capable of preventing an occurrence of a transport wrinkle in a transport path is provided. A recording medium transport device includes a driving roller (111) and a driven roller (112) arranged such that a roller axial direction of the driving roller and a roller axial direction of the driven roller are parallel to each other, a recording medium (1) being transported by driving the driving roller (111) with the recording medium (1) held between the driving roller (111) and the driven roller (112), and the driven roller (112) is movably supported from a predetermined position in the roller axial direction, and in a case where the driven roller (112) is separated from the driving roller (111) without holding the recording medium (1) between the driven roller and the driving roller (111), the driven roller (112) moves to the predetermined position in the roller axial direction.

RECORDING MEDIUM TRANSPORT DEVICE AND RECORDING DEVICE
20190016162 · 2019-01-17 · ·

A recording device capable of preventing an occurrence of a transport wrinkle in a transport path is provided. A recording medium transport device includes a driving roller (111) and a driven roller (112) arranged such that a roller axial direction of the driving roller and a roller axial direction of the driven roller are parallel to each other, a recording medium (1) being transported by driving the driving roller (111) with the recording medium (1) held between the driving roller (111) and the driven roller (112), and the driven roller (112) is movably supported from a predetermined position in the roller axial direction, and in a case where the driven roller (112) is separated from the driving roller (111) without holding the recording medium (1) between the driven roller and the driving roller (111), the driven roller (112) moves to the predetermined position in the roller axial direction.

WINDING DEVICE FOR WEB-SHAPED MATERIAL AND METHOD FOR DRAWING AT LEAST ONE MATERIAL WEB INTO AT LEAST ONE WINDING DEVICE
20180362282 · 2018-12-20 ·

The invention relates to a winding device (500) for web-type material, wherein the winding device (500) has at least one first frame (501) and at least one first roll holding device (519) having at least one roll holding means (522) that is rotatable about a first rotational axis (521), and wherein the winding device (500) has at least one throw-on element (503), and wherein the at least one throw-on element (503) is disposed movably relative to the first frame (501) in at least one adjustment direction (B) and/or opposite said at least one adjustment direction (B), and wherein this at least one adjustment direction (B) has at least one component that points toward the first rotational axis (521), and wherein a guidance system (504) for at least one webbing-up means for webbing up at least one material web (02) is disposed such that a first guidance section (506) of the guidance system (504) is disposed fixedly relative to the at least one first frame (501), and in that regardless of the position of the at least one throw-on element (503), at least one rectilinear connection between the at least one throw-on element (503) and the first rotational axis (521) always intersects a second guidance section (507) of the guidance system (504), and also relates to a method for threading a material web into a winding device.

Reel-up for reeling of a fiber web

A reel-up for reeling of a fiber web (W) around a reel spool (15B) to form a parent roll (20B; 20A) by use of a reeling nip (N) between a reeling cylinder (10) of the reel-up and the parent roll (20B) under reeling, has a primary reeling position and a secondary reeling position. The reel-up (10) has the reeling cylinder (10), substantially horizontal guides (14) and for each end of the reel spool (15A; 15B), loading arms (12,13; 16,17) and carriages (18) and the primary reeling position is fixed.

Folding Apparatus and Corresponding Method

An apparatus (10) for folding sheets (17) and corresponding method, comprising at least a conditioning body (11), at least a folding unit (13) and at least an extraction mean (12) suitable to fold sheets (17) in sequence of variable formats, maintaining high cadences and at the same time simplifying the structure for the maintenance operations and/or format-changes.