WO2019048044A1 - Procédé et appareil de jonction de voiles - Google Patents

Procédé et appareil de jonction de voiles Download PDF

Info

Publication number
WO2019048044A1
WO2019048044A1 PCT/EP2017/072453 EP2017072453W WO2019048044A1 WO 2019048044 A1 WO2019048044 A1 WO 2019048044A1 EP 2017072453 W EP2017072453 W EP 2017072453W WO 2019048044 A1 WO2019048044 A1 WO 2019048044A1
Authority
WO
WIPO (PCT)
Prior art keywords
web
phase
feeding station
feeding
reel
Prior art date
Application number
PCT/EP2017/072453
Other languages
English (en)
Inventor
James Carmichael
Original Assignee
Sidel Participations
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 Sidel Participations filed Critical Sidel Participations
Priority to EP17765405.0A priority Critical patent/EP3678970A1/fr
Priority to PCT/EP2017/072453 priority patent/WO2019048044A1/fr
Publication of WO2019048044A1 publication Critical patent/WO2019048044A1/fr

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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • B65H19/1836—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll the replacement web being accelerated or running prior to splicing contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/08—Label feeding
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1892—Spools or cassettes for strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H21/00—Apparatus for splicing webs
    • B65H21/02—Apparatus for splicing webs for premarked, e.g. preprinted, webs
    • 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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • 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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1863—Support arrangement of web rolls with translatory or arcuated movement of the roll supports
    • 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
    • B65H2301/415—Unwinding
    • B65H2301/4152—Finishing unwinding process
    • B65H2301/41522—Detecting residual amount of web
    • 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
    • B65H2301/46—Splicing
    • B65H2301/4601—Splicing special splicing features or applications
    • B65H2301/46014—Splicing special splicing features or applications of webs with labels
    • 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
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4611—Processing webs in splicing process before splicing
    • B65H2301/46115—Processing webs in splicing process before splicing by bringing leading edge to splicing station, e.g. by chain or belt
    • 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
    • B65H2406/30—Suction means
    • B65H2406/33—Rotary suction means, e.g. roller, cylinder or drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/192—Labels

Definitions

  • the present invention relates to a method for splicing webs, in particular webs of labeling material.
  • the present invention relates to a method for splicing a web in use with a new web without reducing the advancement speed of the web in use.
  • the present invention relates to an apparatus for splicing webs, in particular webs of labeling material.
  • the present invention relates to an apparatus for splicing a web in use with a new web without reducing the advancement speed of the web in use.
  • One typical label type is the so called “self-stick label", which is directly wrapped around at least part of the respective receptacle and glued thereto.
  • the application of this kind of label typically relies on advancing a web of labeling material towards a cutting station at which the single labels are obtained from the web of labeling material by cutting the web of labeling material.
  • These labels are often also referred to as roll- fed-labels .
  • sleeve label Another typical label type, used with in particular beverage bottles or vessels, is the label commonly known as “sleeve label", which is formed in a tubular configuration and then applied onto the respective article.
  • the “sleeve label” is obtained from cutting a web of labeling material at a respective cutting station. Finally, after application of the "sleeve label” a heat shrinking operation is carried out to make the labels adhere onto the respective receptacles.
  • a further typical label type are the "pressure- sensitive labels” (PLS) , which are removably attached on a base web and which are detached from the base web prior to being applied onto the respective receptacles.
  • PLS pressure- sensitive labels
  • a labeling machine comprises a labeling apparatus adapted to receive the web of labeling material, adapted to obtain single label sheets from the web of labeling material and adapted to apply the single label sheets onto the receptacles and a web conveying apparatus for providing for and for conveying the web of labeling material to the labeling apparatus.
  • a typical web conveying apparatus comprises a feeding unit for feeding the web of labeling material wound-up on a respective reel to the labeling apparatus.
  • a web conveying apparatus comprises a splicing unit for splicing the web of labeling material in use (web in use) with a new web of labeling material (new web) .
  • a typical splicing unit comprises a cutting assembly for cutting the web in use at a cutting station and a bonding assembly for bonding the new web of labeling material and the web of labeling material in use with one another at a bonding station.
  • the bonding station being arranged downstream from the cutting station along the web advancement path.
  • the bonding assembly comprises e.g. two pad elements one adapted to interact with the web in use and the other one adapted to interact with the new web.
  • Each pad element is fluidically connected to an aspiration source. Furthermore, the pad elements are adapted to linearly move from a rest position to an operative position for bringing the web of labeling material in use and the new web of labeling material into contact with one another.
  • a drawback of such a splicing unit is that the manual placing of the new web onto the respective pad element is prone to errors.
  • both the web in use and the new web carry a repeated pattern and the placing of the bi-adhesive tape and the new web on the respective pad element must be such that after the bonding of the web in use and the new web, the respective patterns correspond to one another in order to avoid any further problems for the labeling process (in other words, the web in use and the new web must have the same pitch once they have been bonded to one another) .
  • a further drawback is that frequent interventions by a trained operator are required for guaranteeing a continuous labeling process over a couple of hours.
  • Another drawback is that during the splicing of the web in use and the new web the webs are subject to high stresses and deformations. In order to reduce the stress and the deformations it is required to slow down the advancement of the web in use (and therewith the labeling process) for executing the bonding of the web in use and the new web with one another. The slowing down is undesired as the overall production time increases.
  • Such machines comprise a blow molding apparatus for producing the receptacles, a filling apparatus for filling the receptacles, a labeling apparatus for labeling the receptacles and a capping apparatus for closing the receptacles, all of which operating at the same processing speed (they are in a blocked configuration) .
  • the need is also felt to further reduce the risk of errors occurring during the splicing of the web in use with the new web.
  • Figure 1 is a schematic top view of a labeling machine having a web conveying and splicing apparatus according to a first embodiment and according to the present invention, with parts removed for clarity;
  • Figure 2 is a perspective top-side view of the labeling machine of Figure 1, with parts removed for clarity;
  • Figure 3 is a perspective view of some details of the web conveying and splicing apparatus of Figures 1 and 2, with parts removed for clarity;
  • Figures 4a to 4d illustrate a detail of the web conveying and splicing apparatus of Figures 1 and 2 during different operational phases, with parts removed for clarity;
  • Figures 5a to 5f show different operational phases of the web conveying and splicing apparatus of Figures 1 and 2, with parts removed for clarity;
  • Figure 6 is a perspective view of a labeling machine having a web conveying and splicing apparatus according to a second embodiment of the present invention, with parts removed for clarity;
  • Figure 7 is an enlarged view of a detail of the web conveying and splicing apparatus of Figure 6, with parts removed for clarity;
  • Figures 8a to 8f illustrate different operational phases of the web conveying and splicing apparatus of Figure 6, with parts removed for clarity.
  • Number 1 in Figure 1 indicates as a whole a labeling machine adapted to apply label sheets onto receptacles advancing along a respective advancement path.
  • the labeling machine 1 comprises:
  • a web conveying and splicing apparatus 2 adapted to convey a web 3 of labeling material or a web 4 of labeling material to a delivery station 5 and being adapted to splice, in particular in the case of exhaustion of respectively web 3 or web 4, respectively web 4 to web 3 or web 3 to web 4;
  • a labeling apparatus 6 (only schematically shown and known as such) adapted to receive web 3 or web 4 at delivery station 5 and adapted to obtain single label sheets from web 3 or web 4 and for applying, in use, the single label sheets onto the receptacles during their advancement along the respective advancement path.
  • web 3 and web 4 each comprises a repeated pattern (not shown) , in particular the repeated pattern defining the single label sheets obtainable from respectively web 3 and web 4. More specifically, web 3 and web 4 are provided with the same repeated pattern. In other words, web 3 and web 4 allow for application of the same label sheets onto the receptacles.
  • web 3 and web 4 are of the type for providing for label sheets of the self-stick type, which become applied to the receptacles by means of an adhesive applied directly onto the label sheets and/or onto the receptacles.
  • any other kind of web in particular any kind of web of labeling material, such as e.g. a web of labeling material having a base layer and a plurality of label sheets removably attached to the base layer (commonly known as "pressure-sensitive labels") or with a web of labeling material being of a heat-shrinkable material (for "sleeve lables”) .
  • any kind of web of labeling material such as e.g. a web of labeling material having a base layer and a plurality of label sheets removably attached to the base layer (commonly known as "pressure-sensitive labels") or with a web of labeling material being of a heat-shrinkable material (for "sleeve lables”) .
  • web conveying and splicing apparatus 2 is adapted to splice a web in use and a new web to one another.
  • web 3 is the web in use and web 4 is the new web.
  • the new web becomes the web in use, as specifically shown in Figure 5f.
  • apparatus 2 comprises at least:
  • feeding unit 15 adapted to feed web 3 to feeding station 10 and to conveyor device 7 and being adapted to feed web 4 to feeding station 9 and to conveyor device 7;
  • suction group in particular associated to conveyor device 7, adapted to retain web 3 and/or web 4 on outer lateral surface 8 for advancing web 3 and/or web 4 by advancement of outer lateral surface 8 along path P from respectively feeding station 10 and feeding station 9 to outlet station 11;
  • apparatus 2 also comprises a control unit (not shown) adapted to at least control operation of apparatus 2 itself.
  • a control unit (not shown) adapted to at least control operation of apparatus 2 itself.
  • apparatus 2 also comprises a magazine unit 17 providing for web 3 and web 4.
  • magazine unit 17 is configured to provide for one or more reels 18 carrying in a wound-up manner one of web 3 or web 4.
  • a respective original trailing portion 51 of web 3 or web 4 is directly coupled onto the respective reel 18. Even more particular, the respective original trailing portion 51 is removably fixed to the respective reel 18 by means of a trailing fixing tape (not shown and known as such) .
  • the respective leading portion 50 of web 3 or web 4 is secured by means of a leading fixing tape, so as to avoid any unwanted unwinding of web 3 or web 4 from the respective reel 18.
  • magazine unit 17 provides for a plurality of reels 18 of which a fraction carries in a wound-up manner web 3 and another fraction carries in a wound-up manner web 4.
  • magazine unit 17 comprises one or more, in the specific case shown two, support units, in particular support stands 19 adapted to support one or more reels 18.
  • each support unit in particular each support stand 19, is adapted to support a plurality of reels carrying in a wound-up manner web 3 or web 4.
  • each support unit in particular each support stand 19, is adapted to carry the respective reels 18 in a stacked manner, in particular such that the respective stack of reels 18 extends along an extension axis, in particular a vertical extension axis.
  • each support stand 19 comprises a vertical bar for coaxially carrying the respective reels 18 in a stacked manner.
  • each support unit in particular each support stand 19, comprises a respective actuation assembly adapted to move at least one reel 18 of the respective plurality of reels 18 (stack of reels 18) into a direction being parallel to the respective extension axis.
  • the respective actuation assembly is adapted to move at least one reel 18 into the vertical direction .
  • each actuation assembly is controlled by the control unit of apparatus 2.
  • magazine unit 17 may be realized differently than according to the example shown in Figures 1 and 2.
  • magazine unit 17 could only comprise one support stand 19 or it could comprise more than two support stands 19 or support stands 19 could be adapted to be automatically moved.
  • apparatus 2 also comprises a base support 20 at least indirectly and at least partially supporting conveyor device 7, the suction group and feeding unit 15.
  • base support 20 is adapted to be placed on a production plant's floor or any other horizontal surface of a product plant.
  • base support 20 is provided with means for controlling the orientation of base support 20.
  • conveyor device 7 comprises a conveyor drum 21 having outer lateral surface 8 and being adapted to rotate around a rotation axis A, in particular having a vertical orientation.
  • axis A is parallel to the respective extension axis of the support units, in particular support stands 19, of magazine unit 17.
  • outer lateral surface 8 advances along path P through rotation of conveyor drum 21 around axis A.
  • path P having a circular shape.
  • conveyor device 7, in particular conveyor drum 21, is configured to advance outer lateral surface 8 at a surface advancement speed, in particular a constant surface advancement speed.
  • conveyor device 7 also comprises an interaction roller 25 adapted to interact with web 3 and/or web 4 so as to avoid any slip of web 3 and/or web 4 when being retained onto outer lateral surface 8 .
  • interaction roller 25 is arranged peripherally adjacent, even more particular tangential, to drum 21 at outlet station 21.
  • web 3 and/or web 4 are interposed between interaction roller 25 and drum 21 at outlet station 11.
  • the suction group comprises a plurality of suction openings 22 provided on outer lateral surface 8 and at least one aspiration device (not shown and known as such) adapted to be selectively in fluid connection with openings 22 and to apply at least indirectly a suction force onto web 3 and/or web 4 through openings 22 so as to retain web 3 and/or web 4 onto outer lateral surface 8.
  • feeding unit 15 comprises at least two operative support structures 23 configured to at least indirectly retain respectively one reel 18 carrying in a wound-up manner web 3 and one reel 18 carrying in a wound-up manner web 4.
  • Each one of operative support structures 23 is configured to respectively feed web 3 and web 4 to respectively feeding station 10 and feeding station 9.
  • Each operative support structure 23 comprises at least one driving group 24 being adapted to rotate the respective reel 18 carrying in a wound-up manner respectively web 3 and web 4 around a respective central axis B.
  • each operative support structure 23 is configured to at least rotate the respective reel 18 around the respective axis B for unwinding respectively web 3 and web 4 from the respective reel 18 so as to feed web 3 and web 4 respectively to feeding station 10 and feeding station 9, in particular at a respective web advancement speed being substantially identical to the surface advancement speed of outer lateral surface 8.
  • each driving group 24 comprises at least one engagement element 28 being rotatable around a respective rotation axis C, in particular being substantially parallel to axis A, and being adapted to couple to respectively the one reel 18 carrying in a wound-up manner respectively web 3 and web 4; and at least a drive device, in particular an electrical motor 29, coupled to engagement element 28 and being adapted to actuate rotation of engagement element 28 around axis C.
  • each driving group 24 is adapted to actuate rotation of the respective reel 18 around the respective axis B by rotation of engagement element 28 around axis C, even more particular by electrical motor 29 actuating rotation of engagement element 28 around axis C.
  • each driving group 24 is controllable between an active mode and a passive mode.
  • the respective electrical motor 29 is configured to actuate rotation of the respective engagement element 28; and in the passive mode, the respective engagement element 28 is rotatable around the respective axis C without actuation of rotation around the respective axis C by the respective electrical motor 29 (as will be explained in more detail further below, in the passive mode, rotation of the respective engagement element 28 is indirectly actuated by conveyor device 7, in particular by the rotation of drum 21 around axis A) .
  • engagement element 28 is controllable between at least a release/loading configuration at which it is adapted to release one reel 18 and/or to receive a new reel 18 and a clamp configuration at which engagement element 28 clamps the respective reel 18 to itself so as to secure the respective reel 18 onto engagement element 28 itself.
  • each operative support structure 23 also comprises a respective support arm 30 at least indirectly carrying the respective driving group 24 and being pivotable around a respective pivot axis D, in particular so as to angularly move around axis D along a respective path being arc-shaped.
  • each support arm 30 carries the respective driving group 24 at a respective first end section 31 of the respective support arm 30 itself and is pivotally mounted to base support 20 at a respective second end section 32 of the respective support arm 30 itself opposite to the respective first end portion 31.
  • each support arm 30 comprises a main arm portion 33 being transversal, in particular perpendicular, to axis A and axis C and carrying the respective driving group 24; and an auxiliary portion 34 connected to the respective main arm portion 33 and being pivotally mounted to base support 20, in particular such that the respective support arm 30 is rotatable around axis D.
  • each main arm portion 33 carries the respective end section 31 and each auxiliary portion 34 carries the respective end section 32.
  • each engagement element 28 protrudes transversally, in particular perpendicularly, away from the respective main arm portion 33.
  • the respective electrical motor 29 is mounted to main arm portion 33.
  • each operative support structure 23 also comprises an actuation device (not shown) adapted to rotate the respective support arm 30 around the respective axis D.
  • the respective actuation device is coupled to the respective auxiliary arm portion 34.
  • each operative support structure 23 is controllable between at least:
  • each operative support structure 23 is also controllable into an idle configuration at which the respective driving group 24 is inactive, and, in particular, respectively web 3 and web 4 are distanced (detached) from, in particular solely placed in the proximity of, respectively feeding station 10 and feeding station 9, without feeding respectively web 3 and web 4 to respectively feeding station 10 and feeding station 9.
  • the respective engagement element 28 is adapted to engage with a new reel 18, in particular the new reel 18 being provided by magazine unit 17.
  • the respective support arm 30 is angularly positioned around the respective axis D at a loading position such that engagement element 28 is arranged in the proximity of magazine unit 17, even more particular in the proximity of the respective support stand 19, so as to be adapted to receive the respective new reel 18, in particular from the respective support stand 19, even more particular from the respective support stand 19 with the respective actuation assembly, in use, (being controlled by the control unit) being activated so as to move at least the new reel 18 towards and preferentially onto the respective engagement element 28.
  • the respective engagement element 28 is actuated to rotate around the respective axis C so as to rotate the respective reel 18 around the respective axis B and the respective reel 18 is positioned such that respectively web 3 and web 4 is in contact with outer lateral surface 8 at respectively feeding station 10 and feeding station 9.
  • the respective operative support structure 23 being in the respective operative configuration the respective support arm 30 is angularly positioned around axis D at an operative position such that respectively web 3 and web 4 can be fed to outer lateral surface 8 at respectively feeding station 10 and feeding station 9.
  • each support arm 30 is configured such that the operative position can vary once contact between respectively web 3 and web 4 and outer lateral surface 8 is established, in particular so as to allow to control the tension of respectively web 3 and web 4.
  • the respective drive group 24 is configured to be controlled into the active mode.
  • the respective reel 18 is placed at a respective active position with the respective operative support structure 23 being controlled into the operative configuration so as to allow feeding of respectively web 3 and web 4 to outer lateral surface 8 at respectively feeding station 9 and feeding station 10.
  • the active position can be modified (the modification of the active position can be used to define the tension of respectively web 3 and web 4 advancing from respectively feeding station 10 and feeding station 9 to outlet station 11), in particular by angularly positioning the respective support arm 30 around axis D.
  • the respective drive group 24 is controlled into the passive mode or active mode.
  • the respective support arm 30 is angularly positioned around the respective axis D at an idle position interposed between the respective loading position and the respective operative position.
  • the respective reel 18 is placed at a respective waiting position with the respective operative support structure 23 being controlled into the idle configuration so as to distance (detach) the new web from outer lateral surface 8 at respectively feeding station 9 and feeding station 10.
  • apparatus 2 also comprises at least one detection device 35 adapted to detect a loading state of the respective reel 18 carrying in a wound-up manner respectively web 3 and web 4.
  • detection device 35 is adapted to detect the loading state of the respective reel 18 feeding the web in use to the respective feeding station 10 or feeding station 9.
  • detection device 35 is configured to generate a trigger signal in case the web in use is near to exhaustion (see e.g. Figure 5b) .
  • detection device 35 determines that the amount of web 3 wound-up onto the respective reel 18 (or web 4 if web 4 is the web in use) allows supply of web 3 to outlet station 11 only for a limited time (and that the splicing of the new web needs to be activated) .
  • detection device 35 comprises at least one sensor assembly 36 adapted to detect at least one marker provided on web 3 or on web 4 wound-up on the respective reel 18, the marker being indicative of the near exhaustion of web 3 or web 4.
  • a marker can be indicative of that the remaining web 3 or web 4 allows for further obtaining a certain (and precise) number of label sheets before complete exhaustion of the web in use (web 3 or web 4; in other words, the marker is indicative about the exact remaining web length) .
  • detection device 35 comprises at least two optical sensor assemblies 36 one adapted to detect the at least one marker provided on web 3 and the other one adapted to detect the at least one marker provided on web 4.
  • such a marker is an optical marker and the sensor assembly 36 is adapted to optically detect the respective marker.
  • such a marker is a fluorescence marker and the sensor assembly 36 is adapted to stimulate the fluorescence and to detect the emitted fluorescence signal.
  • each sensor assembly 36 is connected to the respective operative support structure 23, in particular the respective support arm 30, in particular in a moveable manner such that the respective sensor assembly 36 can be positioned at a certain distance from respectively web 3 and web 4 in dependence of the loading state .
  • apparatus 2 also comprises at least one measurement device 37 adapted to measure and/or determine the radius and/or the diameter of web 3 and/or web 4 wound-up on the respective reel 18.
  • the determination and/or measurement of the radius permits, in use, to control the rotational speed of the respective reel 18 around the respective axis B.
  • This is, in particular advantageous with the respective drive group being in the active mode as it becomes, in use, necessary to vary the rotation speed as, in use, the radius of web 3 or web 4 wound-up on the respective reel 18 decreases with time.
  • the rotational speed of the respective reel 18 must be increased.
  • the respective engagement element 28 rotates around the respective axis C because of the advancement of outer lateral surface 8 along path P. This automatically leads to an adaption of the rotation speed of the respective engagement element 28 as a function of the radius of web 3 or web 4 wound-up onto the respective reel 18.
  • measurement device 37 comprises at least two sensor elements 38, each one associated to one operative support structure 23 and being adapted to determine and/or measure the radius of respectively web 3 and web 4 wound-up on the respective reel 18.
  • each sensor element 38 is moveably mounted to one respective operative support structure 23 in such a manner that the respective sensor element 38 can be positioned at a certain distance from respectively web 3 and web 4 wound-up on the respective reel 18, in particular in dependence of the determined radius.
  • apparatus 2 in particular the bonding means, comprise a bi-adhesive tape applicator 42 adapted to apply one respective bi-adhesive tape 43 at an application station 44 onto web 4, application station 44 being interposed between feeding station 9 and feeding station 10 along path P .
  • applicator 42 is configured to apply the respective tape 43 onto web 4 independently of whether web 4 is the web in use or new web.
  • web 3 is, in use, superimposed on web 4 at feeding station 10, in particular with the respective tape 43 being interposed between web 3 and web 4.
  • operative support structure 23 retaining the respective reel 18 carrying in a wound-up manner web 3 is configured to apply a bonding force so as to ensure a secure adhesive bonding between web 3 and web 4.
  • operative support structure 23 can be considered to be also part of the bonding means .
  • operative support structure 23 is controlled such that during the adhesive bonding of web 3 and web 4 with one another the respective reel 18 is positioned in such a manner that the respective reel 18 exerts a bonding force on web 3 and web 4 at feeding station 10.
  • the respective support arm 30 is angularly positioned such that the respective reel 18 contacts web 3 at feeding station 10 so as to exert the bonding force.
  • apparatus 2 also comprises an inspection system 45 adapted to detect and/or determine the orientation of the respective reel 18 carrying in a wound-up manner web 3 and/or web 4 retained by the respective engagement element 28.
  • inspection system 45 is configured to determine and/or detect the orientation of the respective reel 18 after, in use, having been loaded to the respective operative support structure 23, in particular after engaging with the respective engagement element 28.
  • inspection system 45 is adapted to detect and/or determine a correct or incorrect orientation of the respective reel 18 carrying in a wound-up manner respectively web 3 and web 4 so as to ensure a correct alignment of respectively web 3 and web 4 once being retained directly or indirectly on outer lateral surface 8.
  • inspection system 45 is adapted to determine and/or detect whether the respective axis B and the respective axis C are substantially parallel to one another or whether they are inclined with one another.
  • inspection system 45 comprises at least two inspection elements, in particular distance sensor 46 adapted to monitor respectively web 3 and web 4 wound-up on the respective reel 18. More specifically, each distance sensor 46 is adapted to determine the distance to the respective reel 18 carrying in a wound ⁇ up manner web 3 or web 4.
  • each distance sensor 46 is associated to one respective operative support structure 23. Even more particular, each distance sensor 46 is mounted to one respective support arm 30.
  • each distance sensor 46 is positioned such that its respective imaging area extends transversal, in particular perpendicular to axis B. Even more specifically, the imaging area lies on a surface 47 defined by the respective reel 18 carrying in a wound-up manner respectively web 3 and web 4 and being perpendicular to axis B. In particular, each distance sensor 46 is adapted to determine the distance to surface 47.
  • the distance to surface 47 is independent of the angular position of the respective reel 18.
  • the respective surface 47 extends within a respective plane H being substantially perpendicular to axis A, in particular with the respective operative support structure 23 being in the operative configuration.
  • the respective reel 18 is rotated around the respective axis B.
  • apparatus 2 also comprises a leveling platform 48 configured to carry and to define the orientation of the respective reel 18 carrying in a wound ⁇ up manner respectively web 3 and web 4.
  • leveling platform 48 is configured such that the respective axis B of the respective reel 18 placed on leveling platform 48 itself is parallel to axis A.
  • leveling platform 48 comprises a plurality of support bars 49 being parallel to axis A and onto which one respective reel 18 carrying in a wound-up manner web 3 or web 4 is placable.
  • leveling platform 48 is moveable into a direction parallel to axis A.
  • support bars 49 are moveable into a direction parallel to axis A, in particular so as to extend or retract support bars 49.
  • support bars 49 are moveably supported by base support 2 0 .
  • machine 1 In use, machine 1 applies label sheets onto receptacles advancing along the respective advancement path .
  • apparatus 6 advances the receptacles along their advancement path and simultaneously receives the web in use at station 5, cuts the web in use into single label sheets and applies the single label sheets on the receptacles.
  • apparatus 2 supplies the web in use to apparatus 6.
  • apparatus 2 Operation of apparatus 2 is exemplary shown in Figures 5a to 5f for the example of web 3 being the web in use, even though in the following the operation of apparatus 2 is explained considering the possibility of web 3 being the web in use and the alternative of web 4 being the web in use.
  • operation of apparatus 2 comprises:
  • operation of apparatus 2 also comprises a splicing process, which advantageously has:
  • web 3 and web 4 are adhesively bonded to one another in such a manner that the respective patterns provided respectively on web 3 and web 4 match.
  • the second feeding phase (and the second conveying phase) are activated such that the respective patterns of web 3 and web 4 match overlap .
  • outer lateral surface 8 advances at a substantially constant surface advancement speed.
  • drum 21 rotates, in particular continuously rotates at a substantially constant rotation speed, around axis A so as to advance outer lateral surface 8 along path P.
  • the web in use (web 3 or web 4) is fed to respectively feeding station 10 and feeding station 9 at a respective web advancement speed being substantially identical to the surface advancement speed of outer lateral surface 8.
  • the web advancement speed ranges from 20 to 320 meters per minute, even more preferentially from 60 to 280 meters per minute.
  • the respective reel 18 carrying in a wound-up manner respectively web 3 and web 4 rotates around axis B so as to unwind respectively web 3 and web 4 as the web in use.
  • the rotational speed of the respective reel 18 is such that respectively web 3 and web 4 as the web in use is advanced at the web advancement speed being substantially identical to the surface advancement speed of outer lateral surface 8.
  • the respective reel 18 is retained by the respective operative support structure 23, in particular the respective engagement element 28, and the respective reel 18 rotates around axis B through rotation of engagement element 28 around axis C.
  • the respective driving group 24 is set into the passive mode; i.e. the rotation of the respective engagement element 28 around axis C is actuated as a consequence of web 3 being retained on outer lateral surface 8 and advancement of outer lateral surface 8 along path P (i.e. as a consequence of the rotation of drum 21 around axis A) .
  • the respective drive group 24 could be controlled into the active mode so that rotation of the respective engagement element 28 around axis C and, thereby, rotation of the respective reel 18 around axis B is actuated by the respective electrical motor 29.
  • the first feeding phase also comprises a radius determination sub- phase during which the radius of the reel 18 together with the respectively wound-up web 3 and web 4 is determined and/or detected and a rotation speed control sub-phase during which the rotational speed of the respective reel 18 is controlled as a function of the detected and/or determined radius (or diameter) .
  • the respective sensor element 38 measures and/or determines the radius and/or the diameter of web 3 or web 4 (depending on which one is the web in use) wound-up on the respective reel 18.
  • the rotational speed of the respective reel 18 around axis B is controlled as a function of the radius by controlling the rotational speed of the respective engagement element 28 as a function of the measured and/or determined radius .
  • a detection sub-phase is executed during which a loading state of the web in use (web 3 or web 4 wound-up on the respective reel 18) is detected.
  • the loading state is indicative of the time the web in use can still be supplied from the respective reel 18 currently in use.
  • a trigger signal is generated if a near exhaustion of the web in use (web 3 or web 4 wound-up on the respective reel 18) is detected and the trigger signal triggers activation of the splicing process, in particular at least the second feeding phase (and the second conveying phase) .
  • a marker provided on the web in use indicative of the near exhaustion of the web in use is detected.
  • the marker is indicative of the remaining web length of the web in use (still) wound-up on the respective reel 18 (in other words, the marker is indicative of the remaining number of label sheets, which can be provided by the web in use) .
  • detection device 35 in particular the respective sensor assembly 36, detects the marker indicative of the near exhaustion of the web in use .
  • the respective sensor assembly 36 detects the marker by stimulating the marker and by detecting an emitted fluorescence signal.
  • a calculation sub-phase is executed so as to determine the correct time moment for initiating the second feeding phase (and the second conveying phase) .
  • a tensioning sub-phase is executed during the first feeding phase.
  • the tensioning sub-phase the tension of respectively web 3 and web 4 as the web in use is controlled .
  • the respective reel 18 is positioned such to vary the tension.
  • the respective support arm 30 is angularly moved around the respective pivot axis D so as to control the tension of respectively web 3 and web 4.
  • the new web (web 4 or web 3) is fed to respectively feeding station 9 and feeding station 10 at a respective web advancement speed being substantially identical to the surface advancement speed of outer lateral surface 8.
  • the respective reel 18 carrying in a wound-up manner respectively web 4 and web 3 rotates around the respective axis B so as to unwind respectively web 4 and web 3 as the new web and to fed it to respectively feeding station 9 and feeding station 10.
  • the rotational speed of the respective reel 18 is such that respectively web 4 and web 3 as the new web is advanced at the web advancement speed being substantially identical to the surface advancement speed of outer lateral surface 8 (preferentially, the web advancement speed ranges from 20 to 320 meters per minute, even more preferentially from 60 to 280 meters per minute) .
  • the respective reel 18 is retained by the respective operative support structure 23, in particular the respective engagement element 28, and the respective reel 18 rotates around the respective axis B through rotation of engagement element 28 around the respective axis C.
  • rotation of the respective engagement element 28 around axis C and, thereby, rotation of the respective reel 18 around the respective axis B is actuated by the respective electrical motor 29 (i.e. the respective drive group 24 is controlled into the respective active mode) .
  • the second feeding phase comprises an initial sub-phase during which the respective leading portion 50 of respectively web 4 and web 3 as the new web is fed to respectively feeding station 9 and feeding station 10.
  • the respective operative support structure 23 is controlled into the respective idle configuration.
  • the respective reel 18 is positioned at a waiting position and is at rest (i.e. the respective reel 18 does not rotate around the respective axis B) .
  • an acceleration sub-phase is executed during which the respective reel 18 carrying in a wound ⁇ up manner respectively web 4 and web 3 as the new web is controlled to rotate around the respective axis B and is accelerated until the lateral surface speed of respectively the wound-up web 4 and web 3 as the new web substantially equals the surface advancement speed of outer lateral surface 8 (this then guarantees that the respective web advancement speed equals the surface advancement speed of outer lateral surface 8) .
  • the operative sub-phase is executed.
  • a positioning sub-phase is executed during which the respective reel 18 carrying in a wound-up manner respectively web 4 and web 3 as the new web is moved from the waiting position at which the new web is distanced (detached) from outer lateral surface at respectively feeding station 9 and feeding station 10 and an active position at which the new web is at least indirectly in contact with outer lateral surface 8 so as to be at least indirectly retained by means of suction.
  • web 4 being the new web
  • web 4 is directly retained onto outer lateral surface 8 by means of suction at feeding station 9
  • web 3 is indirectly retained onto outer lateral surface 8 by means of suction at feeding station 10 due to bonding of web 3 and web 4 with one another.
  • web 3 is applied onto web 4 and web 3 and web 4 are adhesively bonded to one another.
  • the trailing portion of the web in use and the leading portion of the new web are adhesively bonded with one another.
  • the second feeding phase is started so as to ensure bonding of the trailing portion of the web in use and the leading portion of the new web with one another.
  • trailing portion 51 in particular the original trailing portion 51, of web 3 is applied onto leading portion 50 of web 4.
  • web 3 and web 4 are adhesively bonded with one another without the execution of a cutting phase for cutting the web in use (web 3 in the example shown) .
  • web 3 is always applied onto web 4 independently of whether web 3 is the web in use or the new web. This is a direct consequence of feeding station 10 being interposed between feeding station 9 and outlet station 11 along path P.
  • the bonding phase comprises a tape application sub-phase during which at least one bi- adhesive tape 43 is applied onto web 4 at application station 44.
  • the bonding phase does not comprise the tape application sub-phase.
  • adhesive bonding force between web 3 and web 4 could be transmitted (achieved / provided for) by the trailing fixing tape and/or the leading fixing tape.
  • a force application sub-phase is executed during which a bonding force is applied onto web 3 and web 4 after applying web 3 onto web 4.
  • the respective reel 18 carrying in a wound-up manner web 3 is positioned such to apply the bonding force. Even more particular, the respective reel 18 interposes web 3 and web 4 between the respective reel 18 carrying in a wound-up manner web 3 and outer lateral surface 8.
  • the respective support arm 30 is angularly moved around the respective axis D so as to apply the required pressure on web 3 an web 4 at feeding station 10.
  • operation of apparatus 2 also comprises a loading sub-phase during which a new reel 18 carrying in a wound-up manner web 3 or web 4 becomes associated to the respective operative support structure 23.
  • the respective operative support structure 23 is controlled into its respective loading configuration at which the respective engagement element 28 engages with a respective new reel 18 carrying in a wound-up manner respectively web 3 and web 4 as the new web.
  • a discharge sub-phase is executed during which the respective empty reel 18 is discharged, in particular it becomes released from the respective engagement element 28, even more particular by controlling the respective engagement element 28 into the respective release/loading configuration .
  • the respective support arm 30 is angularly moved around the respective axis D to its loading position such that engagement element 28 is arranged in the proximity of magazine unit 17, even more particular in the proximity of the respective support stand 19, so as to receive the respective new reel 18.
  • the respective engagement element 28 is controlled into its release/loading configuration and approaches the respective new reel 18, Then, the engagement element 28 is controlled into its clamp configuration so as to secure the respective new reel 18 to the engagement element 28 itself.
  • the respective support unit in particular the respective support stand 19, is controlled such that the respective actuation assembly moves at least the new reel 18 along the direction parallel to the respective extension towards and, preferably, onto the respective engagement element 28.
  • an orientation control sub-phase is executed during which the orientation of the new reel 18 is detected and/or determined in order to detect and/or determine whether a correct or incorrect orientation is obtained.
  • the orientation of the new web deviates from the predetermined orientation if the inclination of the respective axis and the respective axis supersedes a predetermined value.
  • inspection system 45 in particular the respective distance sensor 46, monitors the surface of the respective new reel 18 together with the wound-up web 3 or web 4. This allows to determine the respective plane H and whether plane H is perpendicular to axis C or not (the respective axis B being by definition of the respective plane H orthogonal to the respective plane H) .
  • the respective new reel 18 is placed on leveling platform 48, in particular onto support bars 49 (see Figures 4a) . Then the respective new reel 18 is disengaged from the respective engagement element 28 (see Figure 4b) . This leads to the new reel 18 and the wound-up web 3 or web 4 to obtain an orientation defined by the leveling platform 48. Then the respective new reel 18 is again engaged by the engagement element 28 (see Figure 4c) .
  • correction sub-phase can also be executed without prior execution of the orientation control sub-phase.
  • an arrangement sub-phase is executed during which the positon of the new reel 18 is arranged.
  • the arrangement sub-phase is executed during the correction sub-phase.
  • the new reel 18 is engaged by the respective engagement element 28 at the correct position; i.e. the new reel 18 is in contact with a predefined area section of the outer lateral surface of the respective engagement element 28.
  • the distance determined by the respective distance sensor 46 is to be controlled such that the distance corresponds to a predetermined value.
  • the respective distance sensor 46 determines the distance to surface 47. If the distance deviates from the predetermined value, the respective new reel 18 is placed on leveling platform 48, in particular onto support bars 49. The respective engagement element 28 is controlled into its respective release/loading configuration. Then the leveling platform 48 is, in particular support bars 49 are, moved, in particular parallel to axis A so as to change the relative position between the new reel 18 and the respective engagement element 28. At the end, the respective engagement element 28 is controlled into its respective clamp configuration.
  • leveling platform 48 is, in particular support bars 49 are, moved towards engagement element 28 if the determined distance is larger than the predetermined value and leveling platform 48 is, in particular support bars 49 are, moved away from engagement element 28 if the determined distance is lower than the predetermined value.
  • the respective operative support structure 23 is controlled into its respective operative configuration or into its idle configuration and then upon activation of the splicing process into its operative configuration.
  • number 2' indicates a second embodiment of a web conveying and splicing apparatus according to the present invention. As apparatus 2' is similar to apparatus 2, the following description is limited to the differences between them, and using the same references, where possible, for identical or corresponding parts.
  • apparatus 2' differs from apparatus 2 in comprising a cutting device 52 adapted to cut respectively web 3 and web 4 as the web in use prior, during or after the bonding of respectively web 3 and web 4 as the web in use with respectively web 4 and web 3 as the new web to one another in the proximity of respectively feeding station 10 and feeding station 9.
  • cutting device 52 is adapted to cut respectively web 3 and web 4 as the web in use so as to define the respective trailing portion of the web in use.
  • cutting device 52 can be necessary if web 3 and web 4 do not present the marker indicative of the near exhaustion of the respective web 3 or web 4 or if the marker does not precisely allow for the determination of the exact number of remaining label sheets (thus, it does not allow to precisely know the remaining web length) .
  • cutting device 52 comprises at least one, preferably two cutting assemblies 53.
  • Each cutting assembly 53 is adapted to respectively cut web 3 and web 4.
  • Each cutting assembly 53 comprises at least one blade 54 adapted to cut respectively web 3 and web 4.
  • each cutting assembly 53 also comprises a counter surface 55 for cooperating with the respective blade 54 for cutting respectively web 3 and web 4.
  • Each cutting assembly 53 is controllable between:
  • each blade 54 and the respective counter surface 55 are positioned at respectively feeding station 10 and feeding station 9 when being controlled into the respective active configuration; and are distanced from respectively feeding station 10 and feeding station 9 when being controlled into the respective rest configuration.
  • each blade 54 and the respective counter surface 55 are arranged peripherally adjacent to outer lateral surface 8, in particular at respectively feeding station 10 and feeding station 9.
  • Apparatus 2' differs from apparatus 2 also in comprising at least one guide and pressuring roller 56, in particular being part of the bonding means, for at least exerting a bonding force onto web 3 and web 4 at feeding station 10 during adhesively bonding (i.e. during the bonding phase) of web 3 and web 4 with one another.
  • roller 56 is adapted to be moved from or to feeding station 10 and roller 56 being at least peripherally adjacent to outer lateral surface 8 when being placed at feeding station 10.
  • roller 56 is tangentially adjacent to drum 21 at least at feeding station 10.
  • roller 56 In use, with roller 56 being positioned at feeding station 10, web 3 is interposed between roller 56 and outer lateral surface 8 at feeding station 10.
  • roller 56 is associated to the cutting assembly 53 adapted to cut web 3.
  • roller 56 is configured to be placed at feeding station 10 with the respective cutting assembly 53 being in the active configuration.
  • roller 56 is adapted to be moved from feeding station 10 with the respective cutting assembly 53 being controlled into the rest configuration.
  • the respective counter surface 55 and roller 56 are mounted to the same support base 57.
  • apparatus 2' also differs from apparatus in comprising a guide roller 58 adapted to guide web 4, in particular in cooperation with the cutting assembly 53 adapted to cut web 4, at feeding station 9.
  • roller 58 is placed peripherally adjacent to outer lateral surface 8 at least at feeding station 9.
  • roller 58 is adapted to be moved from or to feeding station 9 and roller 58 being at least peripherally adjacent to outer lateral surface 8 when being placed at feeding station 9.
  • roller 58 is tangentially adjacent to drum 21 at least at feeding station 9.
  • roller 58 In use, with roller 58 being positioned at feeding station 9, web 4 is interposed between roller 58 and outer lateral surface 8 at feeding station 9.
  • roller 58 is associated to the cutting assembly 53 adapted to cut web 4.
  • roller 58 is configured to be placed at feeding station 9 with the respective cutting assembly 53 being in the active configuration.
  • roller 58 is adapted to be moved from feeding station 9 with the respective cutting assembly 53 being controlled into the rest configuration.
  • the respective counter surface 55 and roller 58 are mounted to the same support base (in a manner similar as the respective counter surface 55 and roller 55 are mounted to support base 57) .
  • operation of apparatus 2' also comprises a cutting phase during which respectively web 3 and web 4 as the web in use is cut prior, during or after the bonding phase, in particular so as to define the respective trailing portion of the web in use.
  • roller 56 and 58 are detached (distanced) from respectively feeding station 10 and feeding station 9.
  • the respective cutting assembly 53 is in the respective rest configuration and, preferably, also respectively roller 56 and roller 58 are detached (distanced) from respectively feeding station 10 and feeding station 9. More specifically, the respective blade 54 and the respective counter surface 55 are detached (distanced) from respectively feeding station 10 and feeding station 9.
  • the respective cutting assembly 53 Prior to the activation of the cutting phase, the respective cutting assembly 53 is controlled into the active configuration (see Figures 8c and 8d) .
  • the respective blade 54 and the respective counter-surface 55 are placed at respectively feeding station 10 and feeding station 9 so that respectively web 3 and web 4 as the web in use advances between the respective blade 54 and the respective counter-surface 55.
  • roller 56 and roller 58 is moved to respectively feeding station 10 and feeding station 9 (see Figures 8c and 8d) .
  • apparatus 2' can also be operated without activation of the cutting phase (i.e. apparatus 2' can be operated according to the operation of apparatus 2) .
  • apparatus 2' is controllable in such a manner that during its operation the original trailing portion of the web in use becomes bonded with the leading portion of the new web.
  • Apparatus 2' provides for an increased flexibility as it also allows for an activation of the cutting phase. Thus, in comparison with apparatus 2 apparatus 2' additionally allows to define the trailing portion of the web in use.
  • apparatus 2 and apparatus 2' allow for a splicing of the new web with the web in use without reducing the overall production speed. Additionally, apparatus 2 and apparatus 2' do not require significant operations by a technical operator. The splicing is done without the intervention of a technical operator, reducing the overall possibility of splicing errors.
  • apparatus 2 and apparatus 2' comprise a magazine unit 17, which can be easily loaded with a plurality of reels 2 carrying in a wound-up manner web 3 and web 4 guaranteeing extending production times without the need of the intervention of a technical operator.
  • a further advantage resides in the fact, that apparatus 2 and apparatus 2' can be operated such that the amount of non-used web 3 and web 4 is limited, in particular in the case no cutting phase is executed.
  • conveyor device 7 of apparatus 2 or apparatus 2' may comprise a respective belt conveyor instead of the respective conveyor drum 21.
  • apparatuses 2 and 2' only comprises measurement device 37, lacking detection device 35 and measurement device 37 being configured to determine the near exhaustion of the web in use based on the radius of web 3 or web 4 wound ⁇ up on the respective reel 18.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

La présente invention concerne un procédé de jonction d'un nouveau voile (4, 3) à un voile en cours d'utilisation (3, 4) comprenant une phase d'avancement durant laquelle une surface latérale externe (8) d'un dispositif de transport (7) est avancée le long d'un trajet (P) à travers une première station d'alimentation (9), une seconde station d'alimentation (10) et un poste de sortie (11) avec la seconde station d'alimentation (10) disposée entre la première station d'alimentation (9) et le poste de sortie (11), une première phase d'alimentation durant laquelle le voile en cours d'utilisation (3 ; 4) est alimenté au dispositif de transport (7) au niveau de l'une quelconque de la seconde station d'alimentation (10) et de la première station d'alimentation (9), une première phase de transport durant laquelle le voile en cours d'utilisation (3 ; 4) est avancé jusqu'au poste de sortie (11) ; une seconde phase d'alimentation durant laquelle le nouveau voile (4 ; 3) est alimenté au dispositif de transport (7) à l'autre de la première station d'alimentation (9) et de la seconde station d'alimentation (10), une seconde phase de transport durant laquelle le nouveau voile (4 ; 3) est avancé vers le poste de sortie (11), et une phase de liaison durant laquelle le nouveau voile (4 ; 3) et le voile en cours d'utilisation (3 ; 4) sont liés de manière adhésive l'un à l'autre au niveau de la seconde station d'alimentation (10).
PCT/EP2017/072453 2017-09-07 2017-09-07 Procédé et appareil de jonction de voiles WO2019048044A1 (fr)

Priority Applications (2)

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EP17765405.0A EP3678970A1 (fr) 2017-09-07 2017-09-07 Procédé et appareil de jonction de voiles
PCT/EP2017/072453 WO2019048044A1 (fr) 2017-09-07 2017-09-07 Procédé et appareil de jonction de voiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/072453 WO2019048044A1 (fr) 2017-09-07 2017-09-07 Procédé et appareil de jonction de voiles

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760550A1 (fr) 2019-07-04 2021-01-06 Sidel Participations Unité de transfert de bobines de matériau d'étiquetage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1184591A (en) * 1967-01-04 1970-03-18 Lerner Machine Company Ltd Apparatus for Supplying Wrapping Material of Thermoplastic Synthetic Resin to Wrapping Apparatus.
US4097323A (en) * 1975-06-04 1978-06-27 Agfa-Gevaert N.V. Butt-splicer
US4151403A (en) * 1977-10-05 1979-04-24 Molins Machine Company, Inc. Control system for an unwinding roll
US5252170A (en) * 1991-07-11 1993-10-12 Shibuya International, Inc. Web splicing apparatus
US5277731A (en) * 1992-11-13 1994-01-11 Worldwide Processing Technologies, Inc. Method of and apparatus for forming a butt splice in a web unwinder
WO1994005578A1 (fr) * 1992-09-01 1994-03-17 Cms Gilbreth Packaging Systems, Inc. Appareil et procede de raccordement automatique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1184591A (en) * 1967-01-04 1970-03-18 Lerner Machine Company Ltd Apparatus for Supplying Wrapping Material of Thermoplastic Synthetic Resin to Wrapping Apparatus.
US4097323A (en) * 1975-06-04 1978-06-27 Agfa-Gevaert N.V. Butt-splicer
US4151403A (en) * 1977-10-05 1979-04-24 Molins Machine Company, Inc. Control system for an unwinding roll
US5252170A (en) * 1991-07-11 1993-10-12 Shibuya International, Inc. Web splicing apparatus
WO1994005578A1 (fr) * 1992-09-01 1994-03-17 Cms Gilbreth Packaging Systems, Inc. Appareil et procede de raccordement automatique
US5277731A (en) * 1992-11-13 1994-01-11 Worldwide Processing Technologies, Inc. Method of and apparatus for forming a butt splice in a web unwinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760550A1 (fr) 2019-07-04 2021-01-06 Sidel Participations Unité de transfert de bobines de matériau d'étiquetage

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