EP2809520B1 - Dispositif d'une presse rotative à imprimer pour le traitement d'une ou de plusieurs bandes continues imprimées et procédé de formation d'un faisceau plié dans le sens de la longueur - Google Patents

Dispositif d'une presse rotative à imprimer pour le traitement d'une ou de plusieurs bandes continues imprimées et procédé de formation d'un faisceau plié dans le sens de la longueur Download PDF

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Publication number
EP2809520B1
EP2809520B1 EP12770021.9A EP12770021A EP2809520B1 EP 2809520 B1 EP2809520 B1 EP 2809520B1 EP 12770021 A EP12770021 A EP 12770021A EP 2809520 B1 EP2809520 B1 EP 2809520B1
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EP
European Patent Office
Prior art keywords
former
strand
openings
web
region
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.)
Active
Application number
EP12770021.9A
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German (de)
English (en)
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EP2809520A1 (fr
Inventor
Thorsten Winfried HAAG
Stefan Wander
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.)
Koenig and Bauer AG
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Koenig and Bauer AG
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Publication of EP2809520A1 publication Critical patent/EP2809520A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/58—Folding or cutting lengthwise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
    • B65H45/221—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement incorporating folding triangles
    • B65H45/223—Details of folding triangles
    • 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
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/113—Details of the part distributing the air cushion
    • B65H2406/1132—Multiple nozzles arrangement
    • 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
    • B65H2406/35—Other elements with suction surface, e.g. plate or wall
    • B65H2406/351—Other elements with suction surface, e.g. plate or wall facing the surface of the handled material

Definitions

  • the invention relates to a device of a web-fed rotary printing press for processing one or more printed webs and to a method for forming a longitudinally folded web according to the preamble of claims 1 and 10, respectively.
  • a nose plate of a folder known, which has on its side acting together with the web air outlet openings.
  • the arrangement of openings in a base plate of the nose plate and in a displaceable against the base plate cover plate, the effective air outlet openings can be varied from a maximum size (full coverage) to zero (no coverage).
  • all or one of the nose-facing portions of the noseplate openings may be connected to a vacuum instead of compressed air, while in a rear portion of the former, for example, friction may be achieved by blowing Compressed air is reduced.
  • the DE 29 21 757 A1 discloses a former, which has a plurality of compressed air supply chambers for Blas Kunststoffö réelleen in the region of its legs, whereby by location, size and shape of the openings optimal air dosing can be achieved.
  • An Indian DE 100 31 814 A1 disclosed former has blown air openings in both a thigh and a nose area.
  • a volume flowing under the web can be varied by means of a closing element.
  • the WO 2010/112357 A1 discloses a newspaper product in a super-panoramic format and a method and apparatus for producing the same, wherein a web strand to be fed to a longitudinal former is formed upstream of the former through longitudinal folding or integrally bonding two webs.
  • the invention has for its object to provide a device of a web-fed rotary printing press for processing one or more printed webs and a method for forming a longitudinally folded strand.
  • the invention in connection with the inline production of a product, in particular newspaper product, with a longitudinally sized seam and / or an over-width, in particular deployable position to apply.
  • the newspaper product contains z. B. a folded layer, which has a width of three or four newspaper pages (in particular standing newspaper pages or broadsheet pages) after being hit.
  • Fig. 1 shows an example of a trained as a web-fed rotary printing press, in particular a newspaper printing machine.
  • This is characterized z. B. by at least two equipped for production on a common hopper assembly 03 printing towers 01 and / or z. B. by at least two multi-colored on both sides in printing units 02 printed webs 04; 06 off.
  • These are after going through one Superstructure 07 and the funnel structure 03 in a folder 08 together to a product, in particular newspaper product, processable.
  • a strand 18, z. B. folded strand 18, in product sections transverse cutting, not shown cross cutting direction is downstream of the folding jig 13 and either the folding apparatus 08 or upstream of the folder 08 in the strand path.
  • the printing machine is z. B. designed to produce conventional newspaper products with one or more layers with in the open state in each case a width of one or two newspaper pages.
  • the newspaper pages are preferably made in a broadsheet arrangement, i. H. on the web 04; 06 are or the printed pages of the later product are oriented such that their page head and foot are spaced in the web longitudinal direction and their left and right side edge parallel to the web edge.
  • the print image templates of the printed pages on the printing cylinder 05 in particular form cylinder 05 in the circumferential direction z. B. arranged standing. At least one at least two-sided position is z. B. longitudinally folded on the traversed by this former 13, so that on one strand side a longitudinal fold 17 is formed.
  • the hopper assembly 03 has at least one former 13.
  • the funnel structure 03 in a funnel plane two formers 13 side by side.
  • several hopper levels can be provided one above the other, each with one or more formers 13.
  • a longitudinal cutting device 12 (dashed lines) may be provided in the center of a hopper, through which in optional Production way a funnel center section in the web strand 25 can be introduced.
  • the former 13 is known to be formed on its effective for folding, along the transport direction T13 considered length with a substantially triangular outer contour. This is formed by two in the transport direction T13 converging hopper flanks 23 which form either at the bottom, ie the downstream end together a nose portion 26 (funnel nose 26) or z. B. in the lower part by a -. B. from the remaining former 13 detachably arranged - funnel nose 26 are continued.
  • regions 28 with openings 24, z. B. blowing air openings 24, is provided. These are provided in the cooperating with the web to be folded strand 25 surface and open into one or more chambers 29 or chamber portions 29 of a same chamber 29.
  • chambers 29 or chamber areas 29 are fluid technically with a relation to the ambient pressure higher pressure P + , ie Overpressure P + , fluid having leading fluid line 31 is connected, which in turn is connected to a provided with the overpressure P + fluid providing unit 32 in combination (schematically, for example, in Fig. 4 indicated).
  • the chambers 29 and chamber regions 29 may be supplied by a plurality of fluid lines 31, which open into a common supply line or individually with the unit 32, z. B. a compressed air source 32 such as a pump or a fan or compressor, are connected.
  • the two regions 28 forming the funnel flanks 23 are preferably connected to one another via a funnel blade 33.
  • the chambers 29 or chamber regions 29 and / or blown air openings 24 can extend into the Nose region 26 of the former 13 extend, so that finally along the funnel flanks 23 and in the nose region 26, a reduction of the friction by blowing air takes place.
  • the regions 28 forming the funnel flanks 23 do not extend into a nose region 26 but are continued in the region of the downstream end by a funnel nose 26.
  • This specially trained funnel nose 26 is, for example, detachably connected or connectable to the funnel base body 34 comprising the funnel flanks 23 and the funnel blade 33.
  • the sides of the funnel nose 26 in this case geometrically continue the funnel flanks 23 having the regions 28 or represent part of effective funnel flanks.
  • openings 27, for example are also provided in the surface of the funnel nose 26 cooperating with the web strand 25 to be folded. B. blowing air openings 27 are provided, which open into one or more chambers 36 or chamber portions 36 of a same chamber 36.
  • a connector 41 fluidly with a respect to the ambient pressure higher pressure P +, ie overpressure leading P +, fluid comprising fluid conduit 37 is connected, in turn, with one or with which the positive pressure P + acted upon fluid providing aggregate 32 is in communication (eg in Fig. 4 ).
  • the configuration of the former 13 with funnel flanks 23 having at least blown air openings 24, advantageously with a nose region 26 having blown air openings 24 (with or without specially provided funnel nose 26), is preferably to be used for all subsequent embodiments of the device or the method according to the invention.
  • the former 13 - in addition to the Blas Kunststoffö réelleen 24; 27 - at least one, preferably a plurality of the web strand 25 to be folded facing openings 38, z. B. suction openings 38, which fluidly with a compared to the ambient pressure lower pressure P - , z. B. vacuum P - , having fluid line 39 is connected, which in turn with a negative pressure P - providing aggregate 43, z. B. a negative pressure source 43 such as a pump or a suction fan, is in communication (schematically z Fig. 4 indicated).
  • the fluid line 39 with a fan in the region of a longitudinal cutting device 21; 62 be provided previously provided suction device.
  • the at least one suction opening 38 and the suction openings 38 are during production, ie during production or during the continuous pressure, with the negative pressure P - in conjunction, ie it is in the region of the mouth of the opening 38, a negative pressure P - .
  • an overpressure P + at by these or more of these openings 24 are in communication with the overpressure P + .
  • the at least one opening 38 or a plurality of openings 38 are provided on the web strand 25 facing side of the former 13, in particular on the hopper sheet 33, with its mouth or mouths fixed to the former 13 and the hopper sheet 33 thereof. They do not serve a "gripping" or a “holding” the lowest layer of web, but the suction possibly between strand and funnel sheet 33 located air.
  • the openings 38 are preferably formed as openings of holes or recesses, which are provided directly in the hopper plate 33 or in a fixedly connected to the hopper plate 33 cover plate.
  • the former 13 has between a left and a right Blas Kunststoffö réelleen 24 having flank-side portion a region with one or a plurality of such with negative pressure P- acted upon or to be acted upon openings 38.
  • the arrangement of suction openings 38 between areas with Blas Kunststoffö réelleen 24 is a low friction when deflecting the on or multi-layer web strand 25 ensures, however, immediately inward flowing fluid again removed.
  • the friction in the nose portion 26 is also reduced by a few Blasluftö réelleen 27.
  • the amount of air introduced in the nose region 26 is comparatively small with respect to the remaining air.
  • each hopper flank 23 a running along the hopper flank 23 chamber 29 are provided, which are connected via two connecting pieces 41 via fluid lines 31 to the unit 32.
  • the funnel nose 26 associated chamber 36 is also connected to the unit 32.
  • a region 42 with suction openings 38 is provided at the former 13, in particular on the funnel sheet 33, a region 42 with suction openings 38.
  • the or at least a plurality of openings 38 open z. B. in a chamber 44, which is connected via the fluid line 39 to the unit 43 in conjunction.
  • a longitudinal section of the former 13 - wherein a section length of the former 13 in the transport direction T13 is considered as a longitudinal section - which has a plurality of blown air openings 24 spaced apart in the transport direction T13 in the area 28 of both funnel flanks 23, at least one, preferably several, suction openings 38 between the blown air openings 24 having flank sections arranged.
  • at least one suction opening 38 is arranged at a level of the folding funnel 13, on which or downstream thereof - in the area 28 of the two funnel flanks 23 and / or in the nose area 26 - at least one Blowing air opening 24; 27 is provided. It overlap in the longitudinal direction of the former 13 views z.
  • B a plurality of suction openings 38 exhibiting longitudinal section and a longitudinal section in which funnel flank side blowing air openings 24 are provided.
  • suction openings 38 are preferably provided upstream of these blown air openings 27 of the nose region 26.
  • the at least one suction opening 38 or suction openings 38 are z. B. at one of a releasably connected funnel nose 26 different part of the former 13, z. B. in the region of both sides opening into the funnel flanks 23 Funnel sheet 33 of the funnel body 34.
  • a second embodiment takes place - in addition to or instead of the suction on the former 13 - a suction of blowing air after the complete folding process, in particular in the former 13 downstream strand path.
  • the fold strand 18 (or at least part of the fold strand 18, if this is divided, for example) via at least one guide element 46; 47; 48; 49 led to the exit of the funnel structure 03 or to an input in the folding apparatus 08.
  • the folding strand 18 is first conveyed by a pair of guide elements 46 formed as folding rollers 46, by a guide element 47 designed as a draw roller 47, and optionally via one or more deflection rollers 48 trained guide elements 48 out.
  • a main strand 51 can be formed of a plurality of folding creases 18 on in the manner of collecting rollers 49 effective guide elements 49.
  • a suction device 52 is provided with at least one suction opening 53 in the strand path between the former 13 and folder 08, preferably before merging with one or more folding strands 18, which on the open strand side, ie on the longitudinal fold 17 opposite longitudinal side of Folded strand 18, engages the seaming line 18.
  • the suction opening 53 forms, for example, the open end of a lance-shaped nozzle 54, which fluidly with a relation to the ambient pressure lower pressure P - .
  • negative pressure P - having fluid line 56 is connected, in turn, with a negative pressure P - providing aggregate 43, z.
  • a negative pressure source 43 such as a pump or a suction fan, is in communication (schematically z Fig.
  • this may be the existing unit 43 of a suction device, not shown.
  • the nozzle 54 and the nozzle 54 forming pipe section 54 may have a deviating from the circular shape, z. B. oval and / or stretched in the strand direction or transverse to the strand running direction have a cross-section.
  • the suction of air at the former 13 and / or in Strangweg is advantageous to apply in all printing presses or production methods, wherein at least a two-sided wide position is guided over a blown air operated former 13 and receives a longitudinal fold 17.
  • the o. G. Suction of air at the former 13 and / or in the strand path advantageously provided in conjunction with a web-fed rotary printing press or a production, wherein the former 13 in the strand path means, in particular a not shown Lfitsfalzvorplatz and / or a Lssensleim Anlagen 14, z. B. applicator 14, are arranged upstream, by which upstream of the former 13 by longitudinal bonding and / or Leksfalzen a on the former 13 to be introduced double layer 57 can be formed.
  • double layer" 57 means a strand or partial strand, wherein two layers lie on one another and, in particular in a lateral edge region, are interconnected longitudinally. If such a double layer 57 is guided over the former 13, there is an increased risk of the formation of air entrapment.
  • the web-fed rotary printing machine z. B. also designed to, for example, in Fig. 9 illustrated products 58, in particular newspaper products 58, produce, which at least one layer S, z. B. has an over-wide layer S, which in the fully open state, a width of more than two, preferably more than three pages of the relevant newspaper format has (see, eg. Fig. 9 ).
  • the product 58 (or partial product) can then have one or more two- or one-side-wide ("normal") layers L and at least one over-wide layer S, preferably as the inner layer of the strand section or partial product (also referred to as a booklet or section).
  • the position S in the product 58 or in the folded strand 18 results from longitudinal folding of an above-mentioned double layer 57, as shown schematically in FIG Fig. 10 is set forth.
  • Such a product 58 has z. B. at least one over-wide layer S. This has a two-side width, a central longitudinal fold 17 having central portion 59, and in the unfolded state on at least one side of the central region 59 to this continuing outdoor area 61.
  • This outer region 61 can be formed in one embodiment by means of gluing with the central region 59 connected, preferably at most Einchumble web 04a1; 04A2. In an advantageous embodiment, shown on both sides of the central region 59 a continuing this outdoor 61 is provided. This outer region 61 is arranged laterally in coincidence with the central region 59, but is to be folded out in the manner of a hinged side 61 to the outside.
  • z. B. continuous print image may be provided.
  • the printed images for the central region 59 and the outer region 61 arranged on the forme cylinders 05 are to be correspondingly exposed and / or aligned therefor.
  • Fig. 10a is exemplary and schematically the formation of the fold strand 18 or an over-wide layer S by two originally two-sided widths 04 and 04a; 04b shown.
  • a later folding pages 61 forming web 04a z. B. centrally through a longitudinal cutting device 62 (21) in the two web strands 04a1; 04a2 cut longitudinally. If only one side hinged side 61 should be provided, then a z. B. only maximum width side web 04a1 or part web 04a1 be performed without repeated cut.
  • a z. B only maximum width side web 04a1 or part web 04a1 be performed without repeated cut.
  • glue 63 Before running on the former 13 and the former 13 upstream of the former 16 is then between the aligned edges on one of the two to be glued to each other web strands 04a1; 04A2; 04b glue 63 applied. By merging these two superimposed tracks 04a1; 04A2; 04b they are glued together at an edge region and form the layer S or
  • the height-offset representation of the web strands 04a1 and 04a2 in Fig. 10 serve the better recognizability of the web strands 04a1 and 04a2, which otherwise follow the cutting line virtually uninterruptedly. These preferably run in the case of a plurality of web strands 04a1 (at most one-side-wide) to be connected to a web strand 04b; 04a2 (04a3) on a same level on the hopper assembly 03 and an upstream roller 16 a.
  • Fig. 10b shows an advantageous example of the formation of the fold strand 18 or the over-wide layer S of the fold strand 18 by web strands 04a1; 04A2; 04b of partial webs 04a; 04b of a same original four-page-wide web 04 (or four-page partial web of a six-page-long original web).
  • the four-side-width web 04 by a longitudinal cutting device 21 in a two-sided wide part web 04b; 04a and a maximum two-sided width partial web 04a; 04b cut longitudinally and downstream either the later central region 59 or the later flap sides 61 forming part web 04b; 04a by means of a turning device 22, z.
  • the later folding pages 61 forming partial web 04a is z. B. centrally through an additional longitudinal cutting device 62 in the two web strands 04a1; 04a2 cut longitudinally. If only one side 61 a folding page to be provided, it can be generated by the longitudinal cutting device 62 from the web 04, for example, only a maximum Eintreumble partial web 04a. As in the above example, before landing on the roller 16 between the aligned edges on one of the web strands 04a1; 04A2; 04b glue 63 applied.
  • Fig. 10c schematically shows the folded strand 18 thus produced, which represents the over-wide layer S in the product 58.
  • the forme cylinder 05 may additionally on the strand side of the folded flap sides 61 'centrally with a single-sided web strand 04a' in the strand center, z. B. in a caused by a joint line of adjacent printing plates pressure-free area (eg, again by means of an applicator 14 'by gluing) before the resulting web strand is centered on the former 13.
  • a cross section of a fold strand 18 'or an overly wide layer S' produced in this way is z.
  • the forme cylinder 05 ' has at least one double-width, preferably one, over at least three printed pages continuous printing form.
  • a together with the respective form cylinder 05 acting printing cylinder 15, z. B. transfer cylinder 15 side by side several double-sided width blankets (blankets) have.
  • the transfer cylinder 15 has at least one printing blanket extending over the entire effective cylinder length.
  • the printing press Preferably, in the printing press several tracks 04; 06 printed in several printing towers 01 and combined into a common product 58.
  • the web 04 which is used to form the over-wide layer S is guided through the active dryer 09 and / or is made of satined and / or more coated paper, while the webs 06 to be used for forming other layers L have no drying support guided and / or formed from newsprint.
  • the suction on the former 13 and / or in the Strangweg is in the cases of the production of products 58 with at least one longitudinally glued seam or with an over-wide layer S of great advantage.
  • z. B. also a bursting of a sizing by air inclusion avoided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (15)

  1. Dispositif d'une machine à imprimer rotative pour le traitement d'une ou de plusieurs bandes imprimées (04 ; 06) par un cône plieur (13), avec un brin (18) quittant le cône plieur (13), avec un dispositif de coupe transversale en aval du cône plieur (13) dans le sens de transport du brin ainsi qu'avec un trajet de brin formé par au moins un élément de guidage (46 ; 47 ; 48 ; 49), du cône plieur (13) au dispositif de coupe transversale, le cône plieur (13) comportant des ouvertures de soufflage d'air (24) au niveau de ses flancs de cône (23) gauche et droit, sur au moins une section longitudinale du cône plieur (13) s'étendant dans la direction de transport (T13), lesquelles communiquent fluidiquement avec une conduite de fluide (31) guidant un fluide ayant une pression (P+) supérieure à la pression ambiante, au moins une ouverture d'aspiration (38) opposée au brin de bande à plier (25) étant prévue sur le cône plieur (13) entre une section de flanc présentant une ouverture de soufflage d'air gauche et une ouverture de soufflage d'air droite (24) et en amont d'ouvertures de soufflage d'air (27) prévues dans une zone de nez (26), et/ou une ouverture d'aspiration (53) d'une buse (54) venant s'appliquer dans le brin (18) plié étant prévue dans le trajet de brin en aval du cône plieur (13), et chaque ouverture d'aspiration (38 ; 53) étant en communication fluidique avec une conduite de fluide (39 ; 56) guidant un fluide ayant une pression (P-) inférieure à la pression ambiante, de manière à appliquer une surpression (P+) pendant une production au niveau des embouchures des ouvertures de soufflage d'air (24), pendant l'application simultanée d'une dépression (P-) au niveau des embouchures de ladite au moins une ouverture d'aspiration d'air (38 ; 53).
  2. Dispositif selon la revendication 1, caractérisé en ce que les embouchures des ouvertures d'aspiration (38) côté brin sont fixement disposées sur le cône.
  3. Dispositif selon la revendication 2, caractérisé en ce que les embouchures des ouvertures d'aspiration (38) côté brin sont réalisées comme des embouchures d'alésages ou d'évidements prévues dans une feuille de cône (33) coopérant avec le brin pour le guidage de celui-ci, ou dans une plaque de couverture raccordée à la feuille de cône (33).
  4. Dispositif selon la revendication 1, 2 ou 3, caractérisé en ce qu'une ou plusieurs ouvertures d'aspiration (38) prévues sur le cône plieur (13) débouchent dans un compartiment (44) disposé entre deux compartiments (29) séparés ou parties de compartiment (29) d'un même compartiment (29) en communication avec des ouvertures de soufflage d'air (24) des flancs de cône gauche et droit (23).
  5. Dispositif selon la revendication 1, 2, 3 ou 4, caractérisé en ce qu'au moins une ouverture d'aspiration (38) du cône plieur (13) est prévue à la hauteur d'une section longitudinale présentant des ouvertures de soufflage d'air (24) au niveau des deux flancs de cône (23) et/ou en ce qu'une section longitudinale présentant ladite au moins une ouverture d'aspiration (38) et la section longitudinale présentant des ouvertures de soufflage (24) de part et d'autre se recoupent, vues dans la direction longitudinale du cône plieur (13).
  6. Dispositif selon la revendication 1, 2, 3, 4 ou 5, caractérisé en ce que ladite au moins une ouverture d'aspiration (38) est prévue sur une partie du cône plieur (13) différente d'un nez de cône (26) raccordé de manière amovible, en l'occurrence au niveau d'une feuille (33) d'un corps de base de cône (34) débouchant de part et d'autre dans les flancs de cône (23).
  7. Dispositif selon une ou plusieurs des revendications 1,2,3,4,5 ou 6, caractérisé en ce que la buse (54) venant s'appliquer dans le brin (18) plié est disposée sur le trajet de brin sur la longueur du brin (18) plié opposée au pli longitudinal (17) en s'engageant dans le brin (18).
  8. Dispositif selon une ou plusieurs des revendications 1 à 7, caractérisé en ce que des moyens sont disposés en amont du cône plieur (13) sur le trajet de bande, par lesquels en amont du cône plieur (13) une double couche (57) à conduire vers le cône plieur (13) peut être formée avec deux couches superposées et assemblées longitudinalement entre elles.
  9. Dispositif selon la revendication 8, caractérisé en ce qu'un dispositif de pliage longitudinal et/ou un dispositif de collage longitudinal (14) sont disposés en amont du cône plieur (13) sur le trajet de bande, par lesquels en amont du cône plieur (13) une double couche (57) à conduire vers le cône plieur (13) peut être formée avec deux couches superposées et assemblées longitudinalement entre elles.
  10. Procédé de formation d'un brin (18) plié en longueur dans un mode de production d'une machine à imprimer, où, pour la formation du brin (18) plié en longueur, un brin de bande (25) à une ou à plusieurs couches est guidé par un cône plieur (13) pour la formation d'un pli longitudinal (17), et où des ouvertures de soufflage d'air (24) prévues au niveau d'un flanc de cône gauche et d'un flanc de cône droit (23) sont exposées à un fluide présentant une pression (P+) supérieure à la pression ambiante, autrement dit une surpression (P+), au moins une ouverture d'aspiration (38) prévue sur le cône plieur (13) entre des ouvertures de soufflage d'air (24) des flancs de cône gauche et droit (23) et/ou en amont d'ouvertures de soufflage d'air (27) d'une zone de nez (26) et/ou une ouverture d'aspiration (53) d'une buse (54) venant s'appliquer dans le brin (18) sur le trajet de brin étant dans ledit mode de production simultanément exposées à une pression (P-) inférieure à la pression ambiante, autrement dit à une dépression (P-).
  11. Procédé selon la revendication 10, caractérisé en ce qu'au moins une ouverture d'aspiration (38) est exposée à une dépression (P-), laquelle est prévue à la hauteur d'une section longitudinale du cône plieur (13) présentant des ouvertures de soufflage d'air (24) au niveau des deux flancs de cône (23).
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce qu'au moins une ouverture de soufflage d'air (24 ; 27) est exposée à une surpression (P+), laquelle est prévue dans une zone en amont de ladite au moins une ouverture d'aspiration (38).
  13. Procédé selon la revendication 12, caractérisé en ce qu'au moins une ouverture de soufflage d'air (24 ; 27) est exposée à une surpression (P+), laquelle est prévue au niveau d'un nez de cône (26) du cône plieur (13).
  14. Procédé selon la revendication 10, 11 ou 12, caractérisé en ce qu'une double couche (57) avec deux couches superposées et assemblées longitudinalement entre elles est conduite vers le cône plieur (13).
  15. Procédé selon la revendication 14, caractérisé en ce qu'une double couche (57) d'une bande (04 ; 04a ; 06) déjà pliée en longueur ou composée de deux couches superposées et assemblées par liaison de matière dans le sens de la longueur (04 ; 04a1 ; 04b) est conduite vers le cône plieur (13).
EP12770021.9A 2012-01-30 2012-09-19 Dispositif d'une presse rotative à imprimer pour le traitement d'une ou de plusieurs bandes continues imprimées et procédé de formation d'un faisceau plié dans le sens de la longueur Active EP2809520B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210201238 DE102012201238B3 (de) 2012-01-30 2012-01-30 Vorrichtung einer Rollenrotationsdruckmaschine zur Verarbeitung einer oder mehrerer bedruckter Bahnen sowie Verfahren zur Bildung eines längsgefalzten Stranges
PCT/EP2012/068398 WO2013113411A1 (fr) 2012-01-30 2012-09-19 Dispositif d'une presse rotative à imprimer pour le traitement d'une ou de plusieurs bandes continues imprimées et procédé de formation d'un faisceau plié dans le sens de la longueur

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EP2809520A1 EP2809520A1 (fr) 2014-12-10
EP2809520B1 true EP2809520B1 (fr) 2016-03-16

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EP12770021.9A Active EP2809520B1 (fr) 2012-01-30 2012-09-19 Dispositif d'une presse rotative à imprimer pour le traitement d'une ou de plusieurs bandes continues imprimées et procédé de formation d'un faisceau plié dans le sens de la longueur

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EP (1) EP2809520B1 (fr)
DE (1) DE102012201238B3 (fr)
WO (1) WO2013113411A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015101813A1 (de) * 2015-02-09 2016-08-11 Manroland Web Systems Gmbh Längsfalzvorrichtung
CN107651257B (zh) * 2017-10-17 2024-01-12 厦门佳创科技股份有限公司 马桶垫的纵向折叠装置及包装设备

Family Cites Families (7)

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DE2921757A1 (de) * 1979-05-29 1980-12-04 Maschf Augsburg Nuernberg Ag Verfahren zum herstellen eines trichterbleches fuer einen falztrichter einer rotationsdruckmaschine und danach hergestelltes trichterblech
DE4435528C2 (de) * 1994-10-05 1997-09-04 Roland Man Druckmasch Falztrichter für eine Druckmaschine
DE19811109A1 (de) * 1998-03-13 1999-09-16 Koenig & Bauer Ag Falztrichter
US5947411A (en) * 1998-03-26 1999-09-07 Heidelberger Druckmaschinen Ag Method and apparatus for air flotation
EP1088780A3 (fr) * 1999-10-01 2002-09-04 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour fermer sélectivement des orifice de soufflage dans dispositifs de guidage ou barres pour le support à imprimer dans machines d'impression rotatives
DE10031814A1 (de) * 2000-06-30 2002-01-10 Heidelberger Druckmasch Ag Einrichtung zum berührungsfreien Führen eines Bahnmaterials über eine Fläche
EP2414161B1 (fr) * 2009-04-01 2012-11-28 Koenig & Bauer AG Produit de journal, ainsi que procédé et dispositif pour la réalisation d'un produit

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DE102012201238B3 (de) 2012-12-27
WO2013113411A1 (fr) 2013-08-08
EP2809520A1 (fr) 2014-12-10

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