B65H2301/41501

METHOD AND APPARATUS FOR GUIDING A WEB TO A CENTRATION POINT
20220388799 · 2022-12-08 ·

The present invention relates to a method of guiding a web with a shifting path of the web to a substantially constant centration point. It comprises the steps of providing a web with a shifting path of the web from a source of the web, measuring upstream of said centration point, the position and/or orientation of said web by a sensor arrangement, and guiding said web to said centration point in accordance to the measurement results. The present invention advantageously relates to operations in the manufacturing of absorbent articles such as unwinding web rolls that are wound in a shifted manner, in particular spirally wound web rolls, and removing web from containers of loose web material. The invention also relates to a device for the execution of the method.

Dispensing systems with floating support rollers

Various dispensing systems with floating support rollers are disclosed. In certain embodiments, the dispensing system can include a housing, roll support arm, and a dispensing mechanism that can enable dispensing of tissue from a roll mounted on the roll supporting arm. The dispensing mechanism can include a main roller and a support roller. The support roller can move from a first position to a second position in response to a user pulling on a tail end of the tissue. The support roller can be biased towards the first position and can apply a compressive force to the main roller in the second position. The compressive force can urge the tissue towards the main roller and can provide improved tissue support.

UNWINDER FOR PAPER CONVERTING
20170240367 · 2017-08-24 · ·

Unwinder for paper converting, comprising a support (1) adapted to support a reel (B) from which a web of paper material is unwound and comprising dragging means acting by contact on said reel (B) and adapted to impose a rotation of the reel coil about the respective longitudinal axis (x) with a predetermined speed, the diameter of the reel (B) varying while the latter rotates. The dragging means have a variable configuration. The unwinder comprises reconfiguration means adapted to vary the configuration of the dragging means on the basis of the instantaneous diameter of the reel (B) and control means (5; EU) adapted to control said reconfiguration means such that the contact between the reel (B) and control the dragging means takes place on a contact area (200) having an angular extension (a) substantially constant while the diameter of the reel (B) varies.

Monitoring method for monitoring an unwinding process, unwinding device and unwinding system
11078041 · 2021-08-03 · ·

The invention relates to a monitoring method (100) for monitoring an unwinding process of an unwinding device (2), comprising the following steps: at least partially unwinding (101) a web material (11) from a reel (10), detecting (102) at least one irregularity (12) of the web material (11) and/or the unwinding process. Furthermore, the invention relates to an unwinding device (2) for performing an unwinding process as well as an unwinding system (5) for performing an unwinding process.

DISPENSING SYSTEMS WITH FLOATING SUPPORT ROLLERS
20210016987 · 2021-01-21 ·

Various dispensing systems with floating support rollers are disclosed. In certain embodiments, the dispensing system can include a housing, roll support arm, and a dispensing mechanism that can enable dispensing of tissue from a roll mounted on the roll supporting arm. The dispensing mechanism can include a main roller and a support roller. The support roller can move from a first position to a second position in response to a user pulling on a tail end of the tissue. The support roller can be biased towards the first position and can apply a compressive force to the main roller in the second position. The compressive force can urge the tissue towards the main roller and can provide improved tissue support.

Method for producing film and method for winding off film

The separator production method in accordance with an embodiment of the present invention includes a coated article winding off step of winding off, from a core, a separator original sheet which has been taken up in a coated article taking up step of winding the separator original sheet on an outer peripheral surface of the core while oscillating the core in a rotation axis direction, and the core is oscillated in the rotation axis direction in the coated article winding off step.

Indexing net wrap system

A wrapping mechanism is described that comprises at least two material support cylinders, a mechanism support cylinder, and a first and a second support plate, which are all rotatable about a support axis. The wrapping mechanism can comprise a pair of frame plates, a drive mechanism, a brake system, a lock mechanism, at least one feed roller and a feed plate. The wrapping mechanism can be integrated into an agricultural harvester such as a baler or combine.

Indexing wrapping system and supporting systems
10299439 · 2019-05-28 · ·

A wrapping mechanism is described that comprises at least two material support cylinders, a mechanism support cylinder, and a first and a second support plate, which are all rotatable about a support axis. The wrapping mechanism can comprise a pair of frame plates, a drive mechanism, a brake system, a lock mechanism, at least one feed roller and a feed plate. The wrapping mechanism can be integrated into an agricultural harvester such as a baler or combine.

Monitoring Method for Monitoring an Unwinding Process, Unwinding Device and Unwinding System
20180305159 · 2018-10-25 ·

The invention relates to a monitoring method (100) for monitoring an unwinding process of an unwinding device (2), comprising the following steps: at least partially unwinding (101) a web material (11) from a reel (10), detecting (102) at least one irregularity (12) of the web material (11) and/or the unwinding process.

Furthermore, the invention relates to an unwinding device (2) for performing an unwinding process as well as an unwinding system (5) for performing an unwinding process.

Apparatus and method for controlling the unwinding of a web

An apparatus (1) for controlling the unwinding of a web (2) wound on a core is disclosed. The apparatus (1) includes a turnbar (10), an actuator (20), a sensor (30), and a controller (70). The turnbar (10) includes a target location to receive the web (2). The actuator (20) is coupled to the turnbar (10) and includes an axis of movement (29). The sensor (30) measures transverse placement of the web (2) relative to the target location and transmits an input signal to the controller (70) when transverse placement of the web (2) differs from the target location. The controller (70) provides an output signal to the actuator (20 to move the turnbar (10) along the axis of movement (29) such that the web (2) maintains substantial alignment with the target location.