EP2550218A1 - A core feeding device in a rewinding machine for the production of rolls - Google Patents

A core feeding device in a rewinding machine for the production of rolls

Info

Publication number
EP2550218A1
EP2550218A1 EP11719886A EP11719886A EP2550218A1 EP 2550218 A1 EP2550218 A1 EP 2550218A1 EP 11719886 A EP11719886 A EP 11719886A EP 11719886 A EP11719886 A EP 11719886A EP 2550218 A1 EP2550218 A1 EP 2550218A1
Authority
EP
European Patent Office
Prior art keywords
core
tape
way
winding
conduit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11719886A
Other languages
German (de)
French (fr)
Other versions
EP2550218B1 (en
Inventor
Giovanni Bertoli Barsotti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UNIVERSAL TISSUE TECHNOLOGY S.R.L.
Original Assignee
Studio Duebi Sas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Studio Duebi Sas filed Critical Studio Duebi Sas
Priority to PL11719886T priority Critical patent/PL2550218T3/en
Publication of EP2550218A1 publication Critical patent/EP2550218A1/en
Application granted granted Critical
Publication of EP2550218B1 publication Critical patent/EP2550218B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2269—Cradle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B65H19/267—Cutting-off the web running to the wound web roll by tearing or bursting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/4182—Core or mandrel insertion, e.g. means for loading core or mandrel in winding position
    • B65H2301/41824—Core or mandrel insertion, e.g. means for loading core or mandrel in winding position from below, e.g. between rollers of winding bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/12—Means using fluid made only for exhausting gaseous medium producing gas blast
    • B65H2406/122—Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/12—Width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/14—Diameter, e.g. of roll or package

Definitions

  • the present invention refers to an innovative rewinding machine for the productions of industrial logs of paper, fabric, non-woven fabric and similar materials.
  • the invention refers to an innovative feeding device for feeding the cores into the winding section of the rewinding machine.
  • a rewinding machine basically includes a winding section and a feeding section for feeding a cardboard core into the winding section.
  • the cardboard core is conducted in rotation inside the winding section in such a way as to wrap around it a continuous paper tape.
  • the feeding section serves to allow the insertion of a new core into the winding section as soon as the preceding paper log has been completed.
  • Such insertion phase of the new core, and contextual expulsion of the completed roll from the winding section is generally known as "exchange phase".
  • the winding section generally comprises an inferior roller, a superior roller and a press arranged in such a way as to form a winding cradle into which the core is dragged in rotation through the rotation of the said rollers.
  • the press controls the tension of the paper and the reaching of the diameter set in the rewinding machine.
  • the break of the continuous paper tape during the exchange phase, once the roll is completed, is generally controlled through a variation of speed of the rollers that generate a sort of tension in the tape.
  • a rewinding machine is generally provided with a cradle for introducing the core, which is hinged to the inferior winding roller and provided with a curved profile.
  • the cradle being hinged to the inferior roller, can therefore rotate to lower and lift itself with respect to it, forming an insertion path that conducts the core directly into the winding cradle.
  • the core loaded on the introduction cradle through an ordinary loader, therefore stands below the inferior roller up to the moment in which the exchange phase initiates.
  • the introduction cradle rotates in such a way as to bring the core arranged on it in contact with the rotating inferior roller.
  • the core rotates along the introduction cradle, ascending along it up to entering in the winding section simultaneously to the expulsion of the roll now formed. In such a manner, the winding of the new paper log initiates.
  • the cradle must have a precise curved profile that traces the curvature of the inferior roller in such a way that, during all the ascending path of the core, it does not risk either losing adherence or being deflected by it. It is clear that in both cases the result would be that of a variation of speed in the entry of the core and therefore, an incorrect exchange with the consequent block of the rewinding machine. Moreover, also a deformation of the core by deflection can be the cause of a waste product or of a block of the whole rewinding machine.
  • Another technical inconvenience relates to the fact that such a solution with a mobile cradle is kinetically complex. It is in fact necessary to include sensors and a software ad hoc that manages and synchronizes exactly the rotation of the introduction cradle on the basis of the completion of the log or of the winding speed, apart from, naturally, a complex system that allows the rotation of lifting and lowering of the introduction cradle with respect to the inferior roller.
  • the feeding section (7) of the machine of the invention is realized through a support surface (12) and a pushing surface (13) opposed one to the other in such a way as to form a rising conduit (7' ) into which the core results comprised to rise into the winding section (8) .
  • at least the pushing surface (13) is provided with one or more movable tapes (16) (or equivalently movable belts) arranged in correspondence of the said surface (13) in such a way that their movement drags the core in support on the surface (12) along the conduit (V) into the winding section (8).
  • the core pushed by the movable tapes, rotates on the surface 12 along the conduit.
  • Such a structural configuration is particularly advantageous since the two surfaces (12, 13) described can easily be adapted to different diameters of cores by simply translating, therefore moving apart or coming close one from/to the other. Moreover, the entry phase of the core results much more precise, apart from the fact that the structure of the feeding section thus configured is constructively simpler if compared with mobile cradles.
  • such a configuration of feeding section allows an easy and efficient control of the tearing of the continuous tape (for example, paper).
  • the speed of the said tapes is in fact variable at will and, in particular, it is possible to bring it to an inferior speed with respect to the normal winding speed.
  • the core enters the conduit ⁇ !'
  • it pushes the paper that is being wrapped around the log in formation against the tapes (16) .
  • the paper in the point of contact with the said tapes (the paper comprised between core and tapes 16) , is slowed down, thus inducing a tension state that causes the tearing. Therefore, by varying the speed of the tapes it is easily possible to vary the tension state and therefore control the tearing of the continuous tape.
  • the pushing surface (13) is formed by the said one or more tapes (16) arranged in such a way as to form each one a closed ring that surrounds at least the tearing roller (17) and the superior roller (10) along their length.
  • the superior roller is therefore configured in such a way that each closed ring is dragged in rotation just by the tearing roller (17) at its specific rotation speed.
  • a tension element (18, 18') can be further provided for each tape (16), the said tension element (18, 18') comprising an adjustable pulley (18) .
  • Such a pulley therefore allows to adjust the tension of each belt ring 16.
  • the speed of the said tapes can be controlled in such a way that, in correspondence of the entry of the core into the rising conduit (7') the continuous tape (2) comprised between the said tapes (16) and the core (3) acquires the speed of the tapes (16), thus triggering a tension state that causes the tearing of the same.
  • the speed of the tapes (16) can be controlled through an independent adjustment of the rotation speed of the tearing roller (17) .
  • the superior roller (10) includes a plurality of sections placed-, side by side through a bearing assembled idle around the rotation axis of the roller (10) itself in such a way that the passage of each belt (16) around the roller (10) takes place in correspondence of the said bearing in such a way that the speed of the belt (16) results independent from the rotation of the superior roller (10) and results determined by the rotation of the tearing roller (17) .
  • the second support surface (12) is realized through one or more chutes (14) arranged along the inferior roller (9), each one of the said chutes being provided with a support surface (12) opposed, when in use, to the said one or more tapes (16) .
  • the width of the rising conduit (7' ) of the core can be variable in such a way as to result adaptable to cores of different diameters.
  • the support surface (12) and the pushing surface (13) are adjustable at different distances between them in such a way as to vary the width of the rising conduit (T ) of the core.
  • the adjustment takes place through a sliding translation of just of the group comprising the chute (14) and the roller (9) .
  • the said translation can take place along a sliding track.
  • the rising conduit (7' ) can eventually be provided along its length with a first group of blows (21) and with a second group of blows (20) arranged in such a way as to inject pressurised air in the rising conduit (7') .
  • the first group of blows (21) is therefore arranged along the pushing surface (13), while the second group of blows (20) results arranged along the support surface (12) opposite to the group of blows (21) .
  • the first group of blows (21) can be arranged along the conduit in a back position towards the entry of the conduit (T ) with respect to the second group of blows (20) , which is instead arranged in a forward position towards the winding section.
  • the head (31) of the separated tape remains substantially in contact on the core during the whole of a first winding turn.
  • At least a rotatable finger (24) is included for arranging the core (3) on the support surface (12) at the entry of the rising conduit ⁇ !').
  • the tearing of the continuous tape (2) is obtained through the maintenance of a speed of the tapes (16) inferior with respect to the winding speed of the log in formation at least during the entry of the core.
  • the core in entry into the conduit ⁇ !') pushes the continuous tape (2) in contact against the tapes (16) in movement at an inferior speed and induces the paper to slow down in the point of contact.
  • a tension state is generated that causes the tearing, forming a tail (30) of the tape which is winding on the log formed and a head (31) which is winding on the new core in entry.
  • the operation of winding of the head (31) of the tape around the new core is further included.
  • Such an operation includes the activation in succession of a first air blow (21), directed from the pushing surface (13) towards the conduit ⁇ !'), and a second air blow (20) directed from the support surface (12) towards the conduit (V).
  • a first air blow (21) directed from the pushing surface (13) towards the conduit ⁇ !'
  • a second air blow (20) directed from the support surface (12) towards the conduit (V).
  • FIG. 1 shows a lateral view of the rewinding machine in accordance with the invention
  • FIG. 3 shows in an axonometric view the plurality of belts or tapes 16 arranged in a closed-ring manner around the superior roller 10, the tearing roller 17 and the relative pulley 18, while figure 4 shows a lateral view;
  • a rewinding machine 1 is schematically represented in accordance with the present invention .
  • Figure 1 therefore represents a continuous tape 2
  • the rewinding machine 1 is generally provided with perforation rollers 5 on top of the machine and provided with blades that serve to perforate the paper according to a predetermined pitch along its width (generally called paper light) .
  • the continuous tape 2 can pass then through one or more idle wheels 6 in such a way as to maintain always a predetermined advancing speed along its path as well as a correct tension level.
  • the idle wheels can be arranged in any point of the machine in which it may be necessary.
  • Figure 1 in an absolutely non-limiting manner, describes, for example, three idle wheels 6 arranged between the perforation rollers 5 and the feeding section 7 described below .
  • the rewinding machine therefore comprises a feeding section 7 and a winding section 8.
  • the winding section 8 includes an inferior roller 9, a superior roller 10 and a press 11 arranged in such a way as to form a cradle into which the paper is wrapped around the log 4 in formation.
  • the combined rotation of the said inferior roller, superior roller and press causes the rotation of the core 3 arranged between them in such a way that the continuous tape 2 can wrap around it.
  • the feeding section 7 comprises a support surface 12 opposite, at a certain distance, to a pushing surface 13 in such a way as to form a rising conduit 7' through which the core 3 can be conducted into the winding cradle.
  • the distance between the rolling surface 12 and the pushing surface 13 must therefore be such as to allow the contact of the core into the conduit with both surfaces 12 and 13, as better described in detail below.
  • the surface 12 is part of a chute 14 assembled below the inferior roller 9.
  • the chute, together with the inferior roller, can be eventually translated horizontally forward or backward in such a way as to adapt the rising conduit 7' to cores even of very different diameters.
  • a sliding track generally a substantially horizontal track, on which the group comprising the chute 14 and the roller 9 can move in such a way as to be able to adjust the distance with respect to the pushing surface 13 and therefore allow to adapt in a simple manner the rising channel 7' to cores of different diameters .
  • Figure 2 shows constructively in an axonometric view a possible solution of such a chute 14.
  • a constructively simple solution includes the assembly of one or more chutes along the upper surface (that is the length) of the inferior roller 9 and distanced between them of a predetermined quantity.
  • a single chute 14 of a width substantially coinciding with the length of the inferior roller can be included.
  • Both figure 1 and figure 2 show the curved configuration of the part 15 of the chute destined to be fixed under the inferior roller near it.
  • the surface 12 of the chute 14 can also be covered, if necessary, with a high friction material, also called "grip" (for example, glass-paper) , in such a way as to guarantee the better rotation of the core on it.
  • grip for example, glass-paper
  • Figure 1 instead shows the pushing surface 13 opposite to the support surface 12 and described in detail below.
  • the pushing surface 13 is obtained through a plurality of tapes 16, or equivalently belts 16, assembled in a closed-ring manner along the board of the superior roller 10.
  • the tapes 16 therefore form each one a closed ring, passing around the superior roller 10, around the tearing roller 17 and around a tension pulley 18.
  • the rotation of the tearing roller 17 drags and therefore determines the rotation speed of the belts or tapes 16.
  • the superior roller 10 is possible, for example, by realizing the superior roller 10 through a certain number of sections, each one placed side by side through a bearing assembled idle around the rotation axis of the roller 10 itself.
  • the number of sections is equivalent to the number of belts or tapes 16 included, in such a way that the passage of each belt 16 around the roller 10 takes place precisely in correspondence of the said bearing.
  • the speed of the belt is absolutely unrelated from the rotation of the superior roller 10, and is instead determined by the rotation of the tearing roller 17.
  • the idle pulley 18, connected to a tension block 18' also allows the adjustment of the right level of tension of the belt in such a way as to avoid that it slips on the rollers.
  • the tension block is therefore translatable with respect to the superior and tearing rollers precisely for increasing and/or diminishing the tension of the belt.
  • the pulley 18 can be assembled translatable with respect to the block 18' on which it is assembled.
  • Figure 3 and figure 4 for greater clarity, show in an axonometric and frontal view an assembly of the superior roller 10, the tearing roller 17 and the pulleys 18 with the relative belts 16 (for descriptive simplicity, only two have been drawn) , assembled in a closed-ring manner in such a way as to realize the pushing surface 13.
  • Figure 4 particularly indicates with the double arrow the coming close and moving apart direction of the pulley 18 for adjusting the tension of the belt.
  • a first 21 and a second group of blows 20 are arranged along the board of rollers.
  • the blows in the shape of nozzles, can be arranged in correspondence of one or more chutes 14 and respectively in correspondence of one or more tension blocks 18' and serve to blow air into the conduit 7' at a predetermined pressure. Their function will be better described in detail in the descriptive part of the functioning method.
  • Each blow 20 arranged on its own chute 14 can find ahead the relative blow 21 arranged in correspondence of the block 18. Alternatively, the arrangement can be staggered.
  • the arrangement of the blows is anyway such by which the jet of pressurised air arrives into the conduit 7' .
  • Figure 1 shows a loading system of the cores to conduct them into the rising conduit 1' .
  • the system includes an ordinary transport belt 22 provided with a plurality of supports 23 connected to the belt to hold the cores 3.
  • Figure 1 shows the situation in which a core 3 is arranged in stand-by for the entry into the conduit 7' .
  • a finger 24 is hinged in such a way as to rotate at the right time to push the core ' in the conduit 7'.
  • FIG 5 shows the phase in which the new core 3 is arranged into the conduit 7' in contact with the support surface 12 and the pushing surface 13 constituted by the plurality of tapes 16 arranged around the superior and tearing rollers rotating in an integral manner to the tearing roller 17.
  • the tapes by appropriately being in contact with the core arranged into the conduit, drag it in rotation, causing its rolling on the support surface 12 and the consequent rise along all the conduit up to the winding cradle.
  • Figure 8 shows the tearing phase of the tape notoriously obtained through the creation of a tension state in the tape 2 itself.
  • a tension state is induced in accordance with the invention through an appropriate control of the speed of the tapes.
  • the paper substantially does not touch the tapes 16. This can be easily obtained through the appropriate arrangement of the rollers.
  • the paper results pushed against the tapes 16, that is the paper in the point of contact is interposed between the tapes and the core.
  • the speed can be naturally controlled foreseeing an appropriate motorization that allows to vary at will and in an independent manner either the speed of the roller 17 or that of the roller 10.
  • a speed control through the roller 17 has shown a better performance in the tearing.
  • the tearing therefore realizes a tail 30 of the tape relative to the log 4 formed and a head 31 of the tape relative to the new winding around the core in rise into the conduit.
  • the first group of blows 21 is activated in such a way that the pressurised air strikes the head 31 of the tape, pushing it in adherence against the rotating core 3 along the conduit and contextually facilitates the separation of the torn tape.
  • the head 31 of the tape that is maintained by the blows 21 in adherence against the core precisely by means of the rotation of the core itself, is wrapped partially during a winding half turn of about 180°.
  • the head passes under the core, going beyond the fixed plane 12.
  • the head 31 of the tape has now passed under the core and the tape wraps the core for more than 180°, that is half angle turn.
  • the second group of blows intervenes in such a way as to maintain the head of the tape 31 always in adherence against the core.
  • the tape remains wrapped around the core, while it completes its angle turn.
  • the rotation of the core makes that the head 31 becomes blocked below the continuous tape which is winding in the subsequent rolling turns along the conduit, as shown in figure 11.
  • the core completes its entry path into the winding cradle as shown in figure 12.
  • the log formed is expelled from the winding cradle to allow the entry of the new log in formation (see figure 12) .
  • the press 11 lowers again on the new log to follow its growth and adjust the tension of the paper.
  • the tail of the log formed will then be closed with glue in an appropriate glueing section .
  • feeding section 7 adds several further advantages in addition to those already described .

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Winding Of Webs (AREA)

Abstract

The present invention concerns an innovative rewinding machine (1) for the production of logs of tape material (2) and comprising: - A winding section (8) to wrap the continuous tape (2) around a core (3) set in rotation; - A feeding section (7) to feed one or more cores (3) in succession into the winding section (8). In accordance with the invention, the feeding section (7) comprises a support surface (12) and a pushing surface (13) opposed in such a way as to form a rising conduit (7') into which the core results comprised. The pushing surface is realized through the arrangement side by side of one or more than one closed-ring tapes (16) that are rotatable in such a way as to drag the core along the said rising conduit into the winding section (8).

Description

TITLE
A CORE FEEDING DEVICE IN A REWINDING MACHINE FOR THE
PRODUCTION OF ROLLS
Technical Field
The present invention refers to an innovative rewinding machine for the productions of industrial logs of paper, fabric, non-woven fabric and similar materials.
In particular, the invention refers to an innovative feeding device for feeding the cores into the winding section of the rewinding machine.
Background Art
As it is well known, a rewinding machine basically includes a winding section and a feeding section for feeding a cardboard core into the winding section. In particular, . the cardboard core is conducted in rotation inside the winding section in such a way as to wrap around it a continuous paper tape. The feeding section serves to allow the insertion of a new core into the winding section as soon as the preceding paper log has been completed. Such insertion phase of the new core, and contextual expulsion of the completed roll from the winding section, is generally known as "exchange phase".
The winding section generally comprises an inferior roller, a superior roller and a press arranged in such a way as to form a winding cradle into which the core is dragged in rotation through the rotation of the said rollers. In particular, the press controls the tension of the paper and the reaching of the diameter set in the rewinding machine. The break of the continuous paper tape during the exchange phase, once the roll is completed, is generally controlled through a variation of speed of the rollers that generate a sort of tension in the tape. In order to realize correctly the said exchange phase, a rewinding machine is generally provided with a cradle for introducing the core, which is hinged to the inferior winding roller and provided with a curved profile. The cradle, being hinged to the inferior roller, can therefore rotate to lower and lift itself with respect to it, forming an insertion path that conducts the core directly into the winding cradle. The core, loaded on the introduction cradle through an ordinary loader, therefore stands below the inferior roller up to the moment in which the exchange phase initiates. As soon as the roll in formation has reached the pre-established diameter, the introduction cradle rotates in such a way as to bring the core arranged on it in contact with the rotating inferior roller. As a consequence of this, the core rotates along the introduction cradle, ascending along it up to entering in the winding section simultaneously to the expulsion of the roll now formed. In such a manner, the winding of the new paper log initiates.
A technical inconvenience related to such a solution is above all related to the high structural complexity. The cradle must have a precise curved profile that traces the curvature of the inferior roller in such a way that, during all the ascending path of the core, it does not risk either losing adherence or being deflected by it. It is clear that in both cases the result would be that of a variation of speed in the entry of the core and therefore, an incorrect exchange with the consequent block of the rewinding machine. Moreover, also a deformation of the core by deflection can be the cause of a waste product or of a block of the whole rewinding machine.
Moreover, being the cradle hinged to the inferior roller, it is almost impossible to avoid even a minimal deflection of the core in the final rising part along the feeding cradle.
Another technical inconvenience relates to the fact that such a solution with a mobile cradle is kinetically complex. It is in fact necessary to include sensors and a software ad hoc that manages and synchronizes exactly the rotation of the introduction cradle on the basis of the completion of the log or of the winding speed, apart from, naturally, a complex system that allows the rotation of lifting and lowering of the introduction cradle with respect to the inferior roller.
Last, it is clear that such a solution allows the winding of paper with cores of different diameters only by disassembling and substituting the cradle with a new one with such a section as to adapt itself to the new diameter of the core.
Disclosure of invention
It is therefore the aim of the present invention to provide a rewinding machine for the production of industrial logs of paper, fabric, non woven fabric and similar that solves at least in part the said technical inconveniences .
In particular, it is the aim of the present invention to provide a rewinding machine wherein the feeding section of the core results structurally simple and at the same time versatile, thus allowing the feeding of cores even with very different diameters.
These and other aims are obtained through a rewinding machine for the production of industrial logs as per claim 1.
The feeding section (7) of the machine of the invention is realized through a support surface (12) and a pushing surface (13) opposed one to the other in such a way as to form a rising conduit (7' ) into which the core results comprised to rise into the winding section (8) . In order to allow the rise of the core along the conduit (V), at least the pushing surface (13) is provided with one or more movable tapes (16) (or equivalently movable belts) arranged in correspondence of the said surface (13) in such a way that their movement drags the core in support on the surface (12) along the conduit (V) into the winding section (8).
In such a manner, the core, pushed by the movable tapes, rotates on the surface 12 along the conduit.
Such a structural configuration is particularly advantageous since the two surfaces (12, 13) described can easily be adapted to different diameters of cores by simply translating, therefore moving apart or coming close one from/to the other. Moreover, the entry phase of the core results much more precise, apart from the fact that the structure of the feeding section thus configured is constructively simpler if compared with mobile cradles.
Last, such a configuration of feeding section allows an easy and efficient control of the tearing of the continuous tape (for example, paper). The speed of the said tapes is in fact variable at will and, in particular, it is possible to bring it to an inferior speed with respect to the normal winding speed. In such a manner, when the core enters the conduit {!'), it pushes the paper that is being wrapped around the log in formation against the tapes (16) . In such a manner, the paper in the point of contact with the said tapes (the paper comprised between core and tapes 16) , is slowed down, thus inducing a tension state that causes the tearing. Therefore, by varying the speed of the tapes it is easily possible to vary the tension state and therefore control the tearing of the continuous tape.
Advantageously, the pushing surface (13) is formed by the said one or more tapes (16) arranged in such a way as to form each one a closed ring that surrounds at least the tearing roller (17) and the superior roller (10) along their length. The superior roller is therefore configured in such a way that each closed ring is dragged in rotation just by the tearing roller (17) at its specific rotation speed.
This can be obtained, for example, by realizing the superior roller (10) in sections connected between them through a ball-bearing mounted idle with respect to the rotation axis of the roller itself 10.
Advantageously, a tension element (18, 18') can be further provided for each tape (16), the said tension element (18, 18') comprising an adjustable pulley (18) .
Such a pulley therefore allows to adjust the tension of each belt ring 16.
In accordance with what has been described, advantageously, the speed of the said tapes can be controlled in such a way that, in correspondence of the entry of the core into the rising conduit (7') the continuous tape (2) comprised between the said tapes (16) and the core (3) acquires the speed of the tapes (16), thus triggering a tension state that causes the tearing of the same.
Advantageously, therefore, the speed of the tapes (16) can be controlled through an independent adjustment of the rotation speed of the tearing roller (17) .
Advantageously, to that aim, the superior roller (10) includes a plurality of sections placed-, side by side through a bearing assembled idle around the rotation axis of the roller (10) itself in such a way that the passage of each belt (16) around the roller (10) takes place in correspondence of the said bearing in such a way that the speed of the belt (16) results independent from the rotation of the superior roller (10) and results determined by the rotation of the tearing roller (17) .
Advantageously, the second support surface (12) is realized through one or more chutes (14) arranged along the inferior roller (9), each one of the said chutes being provided with a support surface (12) opposed, when in use, to the said one or more tapes (16) .
Advantageously, the width of the rising conduit (7' ) of the core can be variable in such a way as to result adaptable to cores of different diameters.
Advantageously, the support surface (12) and the pushing surface (13) are adjustable at different distances between them in such a way as to vary the width of the rising conduit (T ) of the core.
Preferably, in an advantageous manner, the adjustment takes place through a sliding translation of just of the group comprising the chute (14) and the roller (9) .
Advantageously, the said translation can take place along a sliding track.
Advantageously, the rising conduit (7' ) can eventually be provided along its length with a first group of blows (21) and with a second group of blows (20) arranged in such a way as to inject pressurised air in the rising conduit (7') . The first group of blows (21) is therefore arranged along the pushing surface (13), while the second group of blows (20) results arranged along the support surface (12) opposite to the group of blows (21) .
In particular, advantageously, the first group of blows (21) can be arranged along the conduit in a back position towards the entry of the conduit (T ) with respect to the second group of blows (20) , which is instead arranged in a forward position towards the winding section. In such a manner, by activating in sequence the first (21) and the second group of blows (20) during the rising rotation of the core into the conduit (7'), after the tearing, the head (31) of the separated tape remains substantially in contact on the core during the whole of a first winding turn.
In such a manner, a new winding can be initiated without the need of the use of glue.
Advantageously, at least a rotatable finger (24) is included for arranging the core (3) on the support surface (12) at the entry of the rising conduit {!').
It is also described here a method for the formation of industrial logs (4) in a rewinding machine (1) comprising the phases of:
- Feeding of a continuous tape (2) towards a winding section (8) for winding the tape around a rotating core (3) into the said winding section;
- Exchange between the log formed (4) and a new log (4) in formation, the said exchange including the entry of a new core (3) into the winding section (8) through a feeding section (7) and contextual tearing of the continuous paper tape (2);
and wherein the exchange of the new core (3) is controlled through the movement of one or more tapes (16) arranged in the feeding section (7) in such a manner as to realize a pushing surface (13) opposed to a support surface (12), the said pushing surface and the said support surface (12) forming a rising conduit (7' ) into which the core results comprised in such a way as to rotate on the support surface (12) by the ' pushing effect of the tapes (16).
Advantageously, the tearing of the continuous tape (2) is obtained through the maintenance of a speed of the tapes (16) inferior with respect to the winding speed of the log in formation at least during the entry of the core. In such a manner, the core in entry into the conduit {!') pushes the continuous tape (2) in contact against the tapes (16) in movement at an inferior speed and induces the paper to slow down in the point of contact. In such a manner, a tension state is generated that causes the tearing, forming a tail (30) of the tape which is winding on the log formed and a head (31) which is winding on the new core in entry.
Advantageously, following the said tearing, the operation of winding of the head (31) of the tape around the new core is further included.
Such an operation includes the activation in succession of a first air blow (21), directed from the pushing surface (13) towards the conduit {!'), and a second air blow (20) directed from the support surface (12) towards the conduit (V). In such a manner, we are able to maintain substantially in adherence the head (31) of the tape to the rotating core during all the first winding turn up to the moment in which the head (31) is arranged below the subsequent tape (2) which is winding on the core.
Advantageously, the activation of the first air blow
(21) maintains substantially in adherence the head (31) of the tape to the rotating core up to the moment in which the head (31) reaches the support surface (12), while the second air blow (20), activated subsequently to the overcoming by rolling of the head (31) of the said support surface (12), maintains the head in adherence to the core up to the completion of the said first winding turn in correspondence of the reaching of substantially the pushing surface (13).
Brief description of drawings
Further characteristics and advantages of the present rewinding machine, according to the invention, will result clearer with the description of one of its embodiments that follows, made to illustrate but not to limit, with reference to the annexed drawings, wherein:
- Figure 1 shows a lateral view of the rewinding machine in accordance with the invention;
- Figure 2 shows a detail of the chute 14;
- Figure 3 shows in an axonometric view the plurality of belts or tapes 16 arranged in a closed-ring manner around the superior roller 10, the tearing roller 17 and the relative pulley 18, while figure 4 shows a lateral view;
- Figures from 5 to 12 show functioning phases in accordance with the relative method.
Description of one preferred embodiment
With reference to figure 1, a rewinding machine 1 is schematically represented in accordance with the present invention .
Figure 1 therefore represents a continuous tape 2
(generally of paper but eventually also of a different material such as fabric or non-woven fabric) along its winding path in such a way as to wrap around a core 3 for the formation of a log 4.
As per the background art, the rewinding machine 1 is generally provided with perforation rollers 5 on top of the machine and provided with blades that serve to perforate the paper according to a predetermined pitch along its width (generally called paper light) .
The continuous tape 2 can pass then through one or more idle wheels 6 in such a way as to maintain always a predetermined advancing speed along its path as well as a correct tension level. The idle wheels can be arranged in any point of the machine in which it may be necessary. Figure 1, in an absolutely non-limiting manner, describes, for example, three idle wheels 6 arranged between the perforation rollers 5 and the feeding section 7 described below .
The rewinding machine therefore comprises a feeding section 7 and a winding section 8. As shown in figure 1, the winding section 8 includes an inferior roller 9, a superior roller 10 and a press 11 arranged in such a way as to form a cradle into which the paper is wrapped around the log 4 in formation. In particular, the combined rotation of the said inferior roller, superior roller and press causes the rotation of the core 3 arranged between them in such a way that the continuous tape 2 can wrap around it. When the log in formation is completed, the exchange with the entry of the new core 3 takes place.
In accordance with the present invention, the feeding section 7 comprises a support surface 12 opposite, at a certain distance, to a pushing surface 13 in such a way as to form a rising conduit 7' through which the core 3 can be conducted into the winding cradle.
The distance between the rolling surface 12 and the pushing surface 13 must therefore be such as to allow the contact of the core into the conduit with both surfaces 12 and 13, as better described in detail below.
As shown in figure 1, the surface 12 is part of a chute 14 assembled below the inferior roller 9. The chute, together with the inferior roller, can be eventually translated horizontally forward or backward in such a way as to adapt the rising conduit 7' to cores even of very different diameters.
In accordance with such a technical solution, it is therefore possible to include a sliding track, generally a substantially horizontal track, on which the group comprising the chute 14 and the roller 9 can move in such a way as to be able to adjust the distance with respect to the pushing surface 13 and therefore allow to adapt in a simple manner the rising channel 7' to cores of different diameters .
Alternatively, also if structurally more complex, it would be possible to translate just the group that forms the pushing surface 13 and comprising the rollers 10 and 17 together with the tapes 16.
Alternatively, a translation of both the said groups would be possible.
Figure 2 shows constructively in an axonometric view a possible solution of such a chute 14. In particular, it is highlighted how a constructively simple solution includes the assembly of one or more chutes along the upper surface (that is the length) of the inferior roller 9 and distanced between them of a predetermined quantity. Alternatively, a single chute 14 of a width substantially coinciding with the length of the inferior roller can be included. Both figure 1 and figure 2 show the curved configuration of the part 15 of the chute destined to be fixed under the inferior roller near it. The surface 12 of the chute 14 can also be covered, if necessary, with a high friction material, also called "grip" (for example, glass-paper) , in such a way as to guarantee the better rotation of the core on it.
Figure 1 instead shows the pushing surface 13 opposite to the support surface 12 and described in detail below. The pushing surface 13 is obtained through a plurality of tapes 16, or equivalently belts 16, assembled in a closed-ring manner along the board of the superior roller 10.
The tapes 16 therefore form each one a closed ring, passing around the superior roller 10, around the tearing roller 17 and around a tension pulley 18. In particular, the rotation of the tearing roller 17 drags and therefore determines the rotation speed of the belts or tapes 16.
This is possible, for example, by realizing the superior roller 10 through a certain number of sections, each one placed side by side through a bearing assembled idle around the rotation axis of the roller 10 itself. The number of sections is equivalent to the number of belts or tapes 16 included, in such a way that the passage of each belt 16 around the roller 10 takes place precisely in correspondence of the said bearing. In such a manner, the speed of the belt is absolutely unrelated from the rotation of the superior roller 10, and is instead determined by the rotation of the tearing roller 17.
The idle pulley 18, connected to a tension block 18' , also allows the adjustment of the right level of tension of the belt in such a way as to avoid that it slips on the rollers. The tension block is therefore translatable with respect to the superior and tearing rollers precisely for increasing and/or diminishing the tension of the belt. Alternatively, the pulley 18 can be assembled translatable with respect to the block 18' on which it is assembled.
Figure 3 and figure 4, for greater clarity, show in an axonometric and frontal view an assembly of the superior roller 10, the tearing roller 17 and the pulleys 18 with the relative belts 16 (for descriptive simplicity, only two have been drawn) , assembled in a closed-ring manner in such a way as to realize the pushing surface 13. Figure 4 particularly indicates with the double arrow the coming close and moving apart direction of the pulley 18 for adjusting the tension of the belt.
Going back to figure 1, a first 21 and a second group of blows 20 are arranged along the board of rollers. The blows, in the shape of nozzles, can be arranged in correspondence of one or more chutes 14 and respectively in correspondence of one or more tension blocks 18' and serve to blow air into the conduit 7' at a predetermined pressure. Their function will be better described in detail in the descriptive part of the functioning method. Each blow 20 arranged on its own chute 14 can find ahead the relative blow 21 arranged in correspondence of the block 18. Alternatively, the arrangement can be staggered. The arrangement of the blows is anyway such by which the jet of pressurised air arrives into the conduit 7' .
Figure 1, last, shows a loading system of the cores to conduct them into the rising conduit 1' . The system includes an ordinary transport belt 22 provided with a plurality of supports 23 connected to the belt to hold the cores 3. Figure 1 shows the situation in which a core 3 is arranged in stand-by for the entry into the conduit 7' . As better described in detail below in the description of functioning, a finger 24 is hinged in such a way as to rotate at the right time to push the core ' in the conduit 7'.
Having structurally described in detail all the basic elements of the invention, we now pass onto a description of its functioning.
As shown in figure 5, a new core 3 is on stand-by to enter in the winding section 8 through the feeding section 7, in such a way as to realize the exchange phase and initiate the new winding. As soon as the log 4 in formation is completed, it is sent in signal to the finger 24, which rotates to bring the core 3 to the entry of the conduit 7' (see subsequent figure 6) . Figure 7 therefore shows the phase in which the new core 3 is arranged into the conduit 7' in contact with the support surface 12 and the pushing surface 13 constituted by the plurality of tapes 16 arranged around the superior and tearing rollers rotating in an integral manner to the tearing roller 17. In such a manner, the tapes, by appropriately being in contact with the core arranged into the conduit, drag it in rotation, causing its rolling on the support surface 12 and the consequent rise along all the conduit up to the winding cradle.
Figure 8 shows the tearing phase of the tape notoriously obtained through the creation of a tension state in the tape 2 itself. Such a tension state, as already stated, is induced in accordance with the invention through an appropriate control of the speed of the tapes. In particular, during the ordinary winding of the tape around the log in formation 4, the paper substantially does not touch the tapes 16. This can be easily obtained through the appropriate arrangement of the rollers. At the moment of the entry of the core into the conduit, the paper results pushed against the tapes 16, that is the paper in the point of contact is interposed between the tapes and the core. By controlling, therefore, the speed of the tapes 16 in such a way as to result minor to the winding speed of the continuous tape 2 around the log 4 in formation, a tension state is generated able to tear the continuous tape 2.
The speed can be naturally controlled foreseeing an appropriate motorization that allows to vary at will and in an independent manner either the speed of the roller 17 or that of the roller 10. A speed control through the roller 17 has shown a better performance in the tearing.
The tearing (see figure 8) therefore realizes a tail 30 of the tape relative to the log 4 formed and a head 31 of the tape relative to the new winding around the core in rise into the conduit.
In accordance with the invention, as shown in figure 8, the first group of blows 21 is activated in such a way that the pressurised air strikes the head 31 of the tape, pushing it in adherence against the rotating core 3 along the conduit and contextually facilitates the separation of the torn tape. In such a manner, the head 31 of the tape that is maintained by the blows 21 in adherence against the core, precisely by means of the rotation of the core itself, is wrapped partially during a winding half turn of about 180°. The head passes under the core, going beyond the fixed plane 12. As in fact shown in figure 9, the head 31 of the tape has now passed under the core and the tape wraps the core for more than 180°, that is half angle turn. At this point, as shown in subsequent figure 10, the second group of blows intervenes in such a way as to maintain the head of the tape 31 always in adherence against the core. In such a manner, the tape remains wrapped around the core, while it completes its angle turn. The rotation of the core makes that the head 31 becomes blocked below the continuous tape which is winding in the subsequent rolling turns along the conduit, as shown in figure 11. At this point, the core completes its entry path into the winding cradle as shown in figure 12. Contextually, during the exchange phase described, the log formed is expelled from the winding cradle to allow the entry of the new log in formation (see figure 12) . The press 11 lowers again on the new log to follow its growth and adjust the tension of the paper.
As it is well known, the tail of the log formed will then be closed with glue in an appropriate glueing section .
In accordance with the method described, it is clear that such a configuration of feeding section 7 adds several further advantages in addition to those already described .
In particular, its structural simplicity and configuration allows the assembly of the said opposed first 21 and second group 20 of blows. The solution with a chute on one side and tapes on the opposite side in fact allows an easy access and assembly of the said blows, which are synchronized with the motion of entry of the core. The winding of the paper tape around the new core in entry through the aid of the blows described therefore allows the winding without the help of the generally used glue. It is therefore not necessary anymore, in the case blows as described are used, to include the use of a glueing section ad hoc that spreads a glue veil on the core to allow the head 31 of the tape to adhere to the same to initiate the winding.
The enormous advantages in terms . of structural simplification, quality of the product obtained and huge save of production costs are clear, particularly the purchase costs of the glue.
Although the machine described, and the relative method, lend themselves well to a winding without the help of glue, it is clear that the same machine can also be used with a specific glueing section of the tape to the core and with or without the help of the blows.
Last, it is clear that the further innovations described and relative to the possibility of adjusting the width of the conduit, the use of the blows to facilitate the winding without the use of glue and the possibility of adjusting the speed of the tapes 16 for the tearing, can be included on such a rewinding machine all together or singularly, absolutely independently one from the other.

Claims

A rewinding machine (1) for the production of logs of tape material (2) and comprising:
- A winding section (8) for winding the continuous tape (2) around a core (3) set in rotation;
- A feeding section (7) for feeding one or more cores (3) in succession into the winding section (8) and;
characterized by the fact that the feeding section (7) comprises a support surface (12) and a pushing surface (13) opposed one to the other in such a way as to form a rising conduit (7') into which the core results comprised, and wherein, further, at least the pushing surface (13) -is provided with one or more movable tapes (16) arranged in such a way as to drag the core along the said rising conduit (7' ) into the winding section (8).
A rewinding machine, according to claim 1, wherein the pushing surface (13) is formed by the said one or more tapes (16), each one of the said one or more tapes being arranged in such a way as to form a closed ring which surrounds at least the tearing roller (17) and the upper roller (10), the upper roller being configured in a such a way that each closed ring is dragged in rotation by the tearing roller (17) only. 3. A rewinding machine, according to claim 2, wherein a tension element (18, 18') is further provided for each tape (16), the said tension element (18, 18') comprising an adjustable pulley (18).
4. A rewinding machine, according to one or more of the preceding claims, wherein the speed of the said tapes (16) can be controlled in such a way that in correspondence of the entry of the core into the rising conduit (7' ) the continuous tape (2) comprised between the tapes (16) and the core (3) acquires the speed of the said tapes (16), triggering a tension state of the tape that causes the tearing of the same.
5. A rewinding machine, according to claim 4, wherein the said speed of the tapes (16) can be controlled through the independent adjustment of the rotation speed of the roller (17) .
6. A rewinding machine, according to one or more of claims from 2 to 5, wherein the superior roller (10) includes a plurality of sections, each one of them placed side by side through a bearing assembled idle around the rotation axis of the roller (10) itself in such a way that the passage of each belt (16) around the roller (10) takes place in correspondence of the said bearing in such a way that the speed of the belt (16) results independent from the rotation of the superior roller (10) and results determined by the rotation of the tearing roller (17).
7. A rewinding machine, according to one or more of the preceding claims, wherein the second support surface
(12) is realized through one or more chutes (14) arranged along the tearing roller (9), each one of the said chutes being provided with a support surface
(12) opposed, when in use, to the said one or more tapes ( 16) .
8. A rewinding machine, according to one or more of the preceding claims, wherein the width of the rising conduit (7') of the core is variable in such a way as to result adaptable to cores of different diameters.
9. A rewinding machine, according to one or more of the preceding claims, wherein the said support surface (12) and the said pushing surface (13) are adjustable at different distances between them in such a way as to vary the width of the rising conduit (7') of the core .
10. A rewinding machine, according to claim 8, wherein the said adjustment of width takes place through a sliding translation of just the group comprising the chute (14) and the roller (9) .
11. A rewinding machine, according to claim 10, wherein the said sliding translation takes place along a sliding track.
12. A rewinding machine, according to one or more of the preceding claims, wherein the rising conduit (7') is further provided along its length with a first group of blows (21) and a second group of blows (20) arranged in such a way as to inject pressurised air into the rising conduit (T ) , the said group of blows (21) being arranged along the pushing surface (13) and the said second group of blows (20) being arranged along the support surface (12), opposed to the said group of blows (21) .
13. A rewinding machine, according to claim 7, wherein the first group of blows (21) is arranged along the conduit in a back position towards the entry of the conduit (T ) with respect to the second group of blows
(20) arranged in a forward position towards the winding section in such a way that, by activating in sequence the first (21) and the second group of blows (20) during the rising rotation of the core into the conduit (7' ) , the head (31) of the separated tape remains substantially in contact on the rotating core under the said groups of blows, realizing the first winding turn. 14. A rewinding machine, according to one or more of the preceding claims, wherein at least a rotatable finger (24) is provided to arrange the core (3) on the support surface (12) in the entry of the said rising conduit (T ) .
15. A method for the formation of industrial logs (4) in a rewinding machine (1) comprising the phases of:
- Feeding of a continuous tape (2) towards a winding section (8) to wind the tape around a rotating core (3) into the said winding section;
- Exchange between the formed log (4) and the new log (4) in formation, the said exchange ; comprising the entry of a new core (3) into the winding section (8) through a feeding section (7) and contextual tearing of the continuous paper tape (2);
and characterized by the fact that the exchange of the new core (3) is controlled through the movement of one or more tapes (16) arranged in the feeding section (7) in such a way as to realize a pushing surface (13) opposed to a support surface (12), the said pushing surface and the said support surface (12) forming a rising conduit (7') into which the core results comprised in such a way as to roll on the support surface (12) by the pushing effect of the tapes (16) .
16. A method for the formation of industrial logs (4), according to claim 15, wherein the tearing of the continuous tape (2) is obtained through the maintenance of a speed of the tapes (16) minor with respect to the winding speed of the log in formation, at least during the entry phase of the core into the conduit (7' ) , in such a way that the core in entry into the conduit (7') pushes the continuous tape (2) in contact against the said tapes (16) causing a tension state that results in the tearing, the said tearing forming a tail (30) of the winding tape on the log formed and a winding head (31) on the said new core in entry.
17. A method for the formation of industrial logs (4), according to claim 15 or 16, wherein following the said tearing phase of the tape, it is further provided the operation of winding of the head (31) of the tape around the new core, the said operation comprising the activation in succession of a first air blow (21), directed from the pushing surface (13) towards the conduit (7' ) , and of a second air blow (20) directed from the support surface (12) towards the conduit (7' ) in such a way as to substantially maintain in adherence the head (31) of the tape to the rotating core during the first winding turn until the moment in which the head (31) results arranged below the subsequent winding tape (2) on the core. A method for the formation of industrial logs (4), according to claim 17, wherein the activation of the first air blow (21) substantially maintains in adherence the head (31) of the tape to the rotating core until the moment in which the head (31) reaches the support surface (12) and wherein the second air blow (20) , activated subsequently to the reaching by rolling of the head (31) of the said support surface (12), maintains the head in adherence to the core until the completion of the said first winding turn substantially in correspondence of the pushing surface (13) .
EP11719886.1A 2010-03-24 2011-03-23 A core feeding device in a rewinding machine for the production of rolls Active EP2550218B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11719886T PL2550218T3 (en) 2010-03-24 2011-03-23 A core feeding device in a rewinding machine for the production of rolls

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPI2010A000034A IT1398969B1 (en) 2010-03-24 2010-03-24 SUPPLY DEVICE FOR SOULS IN A REWINDING MACHINE FOR THE PRODUCTION OF ROLLS.
PCT/IB2011/051221 WO2011117827A1 (en) 2010-03-24 2011-03-23 A core feeding device in a rewinding machine for the production of rolls

Publications (2)

Publication Number Publication Date
EP2550218A1 true EP2550218A1 (en) 2013-01-30
EP2550218B1 EP2550218B1 (en) 2016-01-20

Family

ID=43033436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11719886.1A Active EP2550218B1 (en) 2010-03-24 2011-03-23 A core feeding device in a rewinding machine for the production of rolls

Country Status (5)

Country Link
EP (1) EP2550218B1 (en)
ES (1) ES2567467T3 (en)
IT (1) IT1398969B1 (en)
PL (1) PL2550218T3 (en)
WO (1) WO2011117827A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1401881B1 (en) * 2010-09-28 2013-08-28 Perini Fabio Spa REWINDING MACHINE AND METHOD FOR THE PRODUCTION OF ROLLS OF RIBBED MATERIAL
ITFI20120142A1 (en) * 2012-07-11 2014-01-12 United Converting Srl REWINDING MACHINE
ITAR20130038A1 (en) * 2013-09-27 2015-03-28 Idea Pcm Srl REWINDING MACHINE OF THE PERFECT TYPE, PARTICULARLY FOR THE PRODUCTION OF TISSUE AND SIMILAR ROLLS.
ITAR20130037A1 (en) * 2013-09-27 2015-03-28 Idea Pcm Srl REWINDING MACHINE OF THE PERFECT TYPE, PARTICULARLY FOR THE PRODUCTION OF TISSUE AND SIMILAR ROLLS.
ES2689453T3 (en) 2014-05-30 2018-11-14 MTorres Tissue S.r.l. Rewind machine and rewind method
ES2656713T3 (en) 2015-02-10 2018-02-28 O.M.T. Di Giannini Graziano E Damiano & C. S.N.C. Winding machine
US10442649B2 (en) 2016-03-04 2019-10-15 The Procter & Gamble Company Surface winder for producing logs of convolutely wound web materials
US10427903B2 (en) 2016-03-04 2019-10-01 The Procter & Gamble Company Leading edge device for a surface winder
US10427902B2 (en) 2016-03-04 2019-10-01 The Procter & Gamble Company Enhanced introductory portion for a surface winder
BR112020010809A2 (en) 2017-11-29 2020-11-10 Paper Converting Machine Company surface rewinder with central assistance and belt and winding drum forming a winding nest
US11247863B2 (en) 2018-11-27 2022-02-15 Paper Converting Machine Company Flexible drive and core engagement members for a rewinding machine
US11383946B2 (en) 2019-05-13 2022-07-12 Paper Converting Machine Company Solid roll product formed from surface rewinder with belt and winding drum forming a winding nest

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE387394T1 (en) * 2003-12-05 2008-03-15 Perini Fabio Spa METHOD AND MACHINE FOR PRODUCING ROLLS FROM WEB MATERIAL
ITFI20030311A1 (en) * 2003-12-05 2005-06-06 Perini Fabio Spa REWINDING MACHINE, METHOD FOR THE PRODUCTION OF
ITFI20040028A1 (en) * 2004-02-09 2004-05-09 Perini Fabio Spa METHOD AND DEVICE TO PRODUCE ROLLS OF WRAPPED TAPE MATERIAL
ITFI20050108A1 (en) * 2005-05-23 2006-11-24 Perini Fabio Spa REWINDING MACHINE AND METHOD FOR THE PRODUCTION OF ROLLS OF RIBBED MATERIAL

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011117827A1 *

Also Published As

Publication number Publication date
WO2011117827A1 (en) 2011-09-29
IT1398969B1 (en) 2013-03-28
EP2550218B1 (en) 2016-01-20
PL2550218T3 (en) 2016-07-29
ES2567467T3 (en) 2016-04-22
ITPI20100034A1 (en) 2011-09-25

Similar Documents

Publication Publication Date Title
EP2550218B1 (en) A core feeding device in a rewinding machine for the production of rolls
RU2567202C2 (en) Rewinder and production of reels from roll material
US9327932B2 (en) Rewinding machine and winding method
US4327877A (en) Winding device
US5988557A (en) Method and apparatus for the winding up of a paper web to form a roll
JP7303295B2 (en) Flexible drive and core engaging member for rewinder
KR20120140661A (en) Machine and method for winding reels of web material
JPH0158098B2 (en)
US2361264A (en) Rewinding machine
US20080111017A1 (en) Rereeling machine for rereeling and forming a roll of paper
KR102394290B1 (en) Rewinding machine and method for producing logs of web material
EP3099611B1 (en) Device for closing the tail end of a roll of web material, and method
KR20110073260A (en) A circular needling machine fed with a fiber sheet by a conveyor and a vertical chute
US7198221B2 (en) Device for controlling the discharging of rolls from a rewinder and rewinder comprising said device
WO1999024187A1 (en) Hot rolled material take-up equipment and take-up method
EP1523445A2 (en) Method and apparatus for overlapping sheets in a sheet feeder and providing the overlapped sheets to a printing press
US4196865A (en) Method for the transfer of a forwards-travelling material web from a first take-up roller to a second take-up roller and means for carrying out the method
US8882020B2 (en) Apparatus and method for exchange of cores in a winding machine
WO2010004521A1 (en) Apparatus, and method thereof, for processing a web material
US5381982A (en) Belted sheet transfer device
US11383946B2 (en) Solid roll product formed from surface rewinder with belt and winding drum forming a winding nest
CN105492352A (en) Hem winder for strip-shaped material
US3524603A (en) Transfer device for paper winders
EP4190731B1 (en) Log ejection group and relative ejection method
MXPA98010068A (en) Hot rolled material take-up equipment and take-up method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120918

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: STUDIO DUEBI DI BERTOLI BARSOTTI GIOVANNI S.A.S.

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150731

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: UNIVERSAL TISSUE TECHNOLOGY S.R.L.

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 771623

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160215

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602011022811

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 6

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2567467

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20160422

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

Ref country code: NL

Ref legal event code: MP

Effective date: 20160120

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 771623

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160420

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160421

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160331

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160520

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160520

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602011022811

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: LU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160323

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

26N No opposition filed

Effective date: 20161021

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160331

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160331

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160420

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20110323

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160120

REG Reference to a national code

Ref country code: ES

Ref legal event code: PC2A

Owner name: MAXIMA, SRL

Effective date: 20210517

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230323

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20230303

Year of fee payment: 13

Ref country code: PL

Payment date: 20230228

Year of fee payment: 13

Ref country code: IT

Payment date: 20230315

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20230420

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240328

Year of fee payment: 14

Ref country code: GB

Payment date: 20240319

Year of fee payment: 14