WO2001045951A1 - Manchon comportant des moyens de fixation de plaques d'impression et procede d'obtention - Google Patents
Manchon comportant des moyens de fixation de plaques d'impression et procede d'obtention Download PDFInfo
- Publication number
- WO2001045951A1 WO2001045951A1 PCT/FR2000/003611 FR0003611W WO0145951A1 WO 2001045951 A1 WO2001045951 A1 WO 2001045951A1 FR 0003611 W FR0003611 W FR 0003611W WO 0145951 A1 WO0145951 A1 WO 0145951A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- support
- sticky
- sleeve
- layer
- printing plates
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
- B41N6/02—Chemical means for fastening printing formes on mounting boards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
- B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means
- B41F27/1275—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means by means of adhesives, staples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2200/00—Printing processes
- B41P2200/10—Relief printing
- B41P2200/12—Flexographic printing
Definitions
- the invention relates to the field of printing and more particularly the fixing of printing plates or plates on cylinders supporting printing machines or on sleeves provided on these cylinders.
- These printing plates conventionally comprise a layer of photopolymer, placed on a support. Before the printing plate is used, the photopolymer layer is developed to obtain a layer with reliefs which will make it possible to reproduce the image to be printed.
- the printing plates are generally reused several times. It is therefore desirable to have fixing means which effectively maintain the plates during printing, while allowing their removal from the plate cylinder or from the sleeve fixed on the cylinder, for subsequent reuse.
- Known means for fixing the printing plates consist of strips of double-sided adhesive.
- Each strip of adhesive is fixed by an adhesive side, directly on the plate cylinder or on a sleeve fixed on the cylinder, while one or more printing plates are fixed on the other side of the strip.
- the object of the invention is to overcome these drawbacks by proposing a sleeve, intended to be fixed to a cylinder and comprising means for fixing printing plates which are of simple manufacture and of low cost price.
- the invention thus relates to an endless sleeve, comprising at least one support of substantially cylindrical shape and the outer surface of which is covered with at least one layer of a sticky and permanently adherent material, said sleeve being intended to be mounted. on a support cylinder, while its outer surface allows removable fixing by adhesion of printing plates.
- the term “sticky and permanently adherent material” is understood to mean a material whose bonding and adhesion properties last over time, typically for a period of at least 8 to 12 months.
- the sleeve according to the invention after its mounting on a support cylinder or plate holder, avoids the use of double-sided adhesive.
- the entire outer surface of the assembly, consisting of the cylinder and the sleeve, is permanently sticky and adherent, which allows printing plates to be fixed directly to it. No prior positioning and fixing operation of a double-sided adhesive is therefore necessary.
- the printing plates can be easily removed from the outer surface of the sleeve for later use.
- This sleeve has a much lower cost price than double-sided adhesives, thanks to specific manufacturing processes.
- the continuity of the sleeve according to the invention makes it possible to eliminate the drawbacks linked to the use of fixing means comprising seals. Indeed, the presence of seals conventionally causes printing defects and therefore loss of paper.
- the sticky and permanently adherent material is based on polymers.
- this material is a crosslinked photopolymer.
- the total thickness of the sticky and permanently adherent materials is preferably between 10 and 500 ⁇ m (microns).
- the support of the sleeve according to the invention is advantageously compressible.
- the invention also relates to a method for obtaining a sleeve as described above, this method consisting in: placing a support of substantially cylindrical shape in an annular coating machine and in
- the support is arranged vertically in said machine, the latter comprising an annular container containing said material and placed around said support, the support and the container being driven in a relative movement of vertical translation in order to deposit said layer. on the support.
- FIG. 2 is a schematic view of a machine for applying the material by spraying.
- the reference 1 designates means for holding a substantially cylindrical support 2 in a vertical position. These means 1 may in particular consist of a cylinder.
- the support 2 is in particular made of a composite material such as an epoxy resin matrix reinforced with fibers.
- the machine also includes an annular reservoir 3 which contains a sticky and permanently adherent material.
- the support 2 is fixed and the machine comprises means 5 associated with the container 3 for moving it vertically or even along the axis 20 of the support 2.
- a machine could also be provided with a fixed annular container 3 and means for moving the support 2 along its axis 20.
- the means of translation of the annular container 3 are for example constituted by two nuts 6,7 fixed to the container 3, in diametrically opposite positions, each of these nuts being designed to cooperate with a threaded rod 8,9. Furthermore, suitable means 10, 11 are provided for driving each of these threaded rods 8, 9.
- the coating of the support 2 is carried out by controlling the drive means 10, 11 of the threaded rods 8, 9, so that the annular container 3 moves along the axis 20, for example from top to bottom.
- the annular container 3 is designed to deposit, on the support 2, a layer of the sticky and adherent material which it contains, the thickness of which is between 10 and 250 ⁇ m (microns). It is of course possible to repeat the operation to increase the total thickness of the sticky materials on the support 2.
- This material is advantageously based on polymers.
- means 12 are provided for crosslinking the polymer deposited on the support 2.
- polymers based on carboxylated nitrile polymers based on carboxylated nitrile, polyisoprene, acrylic resin, silicone, polychloroprene, ethylene vinyl acetate, butyl and polyurethane.
- Cross-linking can be obtained by various means, in particular by exposure to UV light in the case of photopolymers, or also by application of heat.
- these materials After crosslinking, these materials have a sticky nature, allowing the removable fixing of printing plates, which is characterized by a "sticky” or “tack” expressed in g / cm and measured for example on a device of the MONSANTO brand and of the type “TELTAK” with procedures known per se.
- the "sticky” values corresponding to adhesives according to the invention are typically in the range of about 50 to 500 g / cm.
- a printing plate previously fixed on a support, can be removed therefrom without part of the adhesive layer remaining fixed on the plate.
- the crosslinking of the polymer is not necessarily carried out in the induction machine itself, but this mode of implementation has obvious advantages.
- annular coating process allows the application of layers of material whose thickness is relatively thin.
- the sticky and permanently adherent material which is deposited on the support 2 is relatively expensive.
- the possibility of applying relatively thin layers of material makes it possible to reduce the cost price of the sleeve according to the invention, compared with known fixing means and in particular double-sided adhesives.
- FIG. 2 schematically illustrates an installation for projecting the sticky material and adhering to the support cylinder Z capable of being driven in rotation, as indicated by arrows.
- the material is projected onto the exterior surface of the cylinder 2 by a projection head 14 movable along a guide device 15 extending parallel to the axis of the support, under the effect of a control device 16.
- a control device 16 Such a device is known per se and does not need to be explained in more detail.
- the sleeve only comprises a layer of a sticky and permanently adherent material.
- the invention is not limited to this example and in particular, the sleeve may comprise different layers, applied successively, produced or not with the same sticky material and permanently adhered.
- the application of several successive layers on the support, during the manufacture of the sleeve according to the invention, can make it possible to obtain a determined thickness or particular performances.
- different materials can be used depending on their physical properties, in particular in terms of hardness, chemical resistance or even stickiness.
- the support of the sleeve according to the invention can be made of a compressible material to improve the quality of printing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Printing Plates And Materials Therefor (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/148,950 US20030037687A1 (en) | 1999-12-20 | 2000-12-11 | Sleeve comprising means for fixing printing plates and method for making same |
| AT00990079T ATE252982T1 (de) | 1999-12-20 | 2000-12-20 | Druckhülse mit befestigungsmitteln für druckplatten und verfahren zu ihrer herstellung |
| AU26883/01A AU2688301A (en) | 1999-12-20 | 2000-12-20 | Sleeve comprising means for fixing printing plates and method for making same |
| EP00990079A EP1240021B1 (fr) | 1999-12-20 | 2000-12-20 | Manchon comportant des moyens de fixation de plaques d'impression et procede d'obtention |
| DE60006285T DE60006285T2 (de) | 1999-12-20 | 2000-12-20 | Druckhülse mit befestigungsmitteln für druckplatten und verfahren zu ihrer herstellung |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR99/16072 | 1999-12-20 | ||
| FR9916072A FR2802465B1 (fr) | 1999-12-20 | 1999-12-20 | Manchon comportant des moyens de fixation de plaques d'impression et procede d'obtention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001045951A1 true WO2001045951A1 (fr) | 2001-06-28 |
Family
ID=9553485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2000/003611 Ceased WO2001045951A1 (fr) | 1999-12-20 | 2000-12-20 | Manchon comportant des moyens de fixation de plaques d'impression et procede d'obtention |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1240021B1 (fr) |
| AT (1) | ATE252982T1 (fr) |
| AU (1) | AU2688301A (fr) |
| DE (1) | DE60006285T2 (fr) |
| ES (1) | ES2210029T3 (fr) |
| FR (1) | FR2802465B1 (fr) |
| WO (1) | WO2001045951A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6823793B2 (en) | 2003-01-06 | 2004-11-30 | Esko Graphics, Nv | Method and apparatus for mounting flexographic plate segments |
| US6954291B2 (en) | 2001-09-04 | 2005-10-11 | Esko-Graphics A/S | Method, apparatus, and computer program for reducing plate material waste in flexography plate making |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL3785915T3 (pl) | 2019-08-30 | 2024-08-12 | Tesa Se | Samoprzylepna warstwa w kształcie rury do mocowania form drukowych, metoda jej wytwarzania oraz metoda obsługi maszyny drukarskiej z jej wykorzystanie |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0452808A2 (fr) * | 1990-04-12 | 1991-10-23 | LINTEC Corporation | Feuille adhésive et son utilisation pour un cylindre de plaque |
| EP0766143A1 (fr) * | 1995-09-29 | 1997-04-02 | E.I. Du Pont De Nemours And Company | Méthodes et appareils pour réaliser des éléments photosensibles cylindriques |
| US5715750A (en) * | 1994-01-13 | 1998-02-10 | Winkle Holding, B.V. | Printing form attachment means |
| EP0881098A1 (fr) * | 1997-05-28 | 1998-12-02 | Rollin S.A. | Manchon perfectionné pour cylindre de machine d'impression ou analogue et procédé de mise en place de ce manchon |
| WO1999006212A1 (fr) * | 1997-07-29 | 1999-02-11 | Gabriella Cacchi | Procede pour le montage de plaques d'impression sur des manchons, puis des manchons resultants sur des cylindres d'imprimeuse flexographique |
-
1999
- 1999-12-20 FR FR9916072A patent/FR2802465B1/fr not_active Expired - Fee Related
-
2000
- 2000-12-20 EP EP00990079A patent/EP1240021B1/fr not_active Expired - Lifetime
- 2000-12-20 AT AT00990079T patent/ATE252982T1/de not_active IP Right Cessation
- 2000-12-20 ES ES00990079T patent/ES2210029T3/es not_active Expired - Lifetime
- 2000-12-20 DE DE60006285T patent/DE60006285T2/de not_active Expired - Fee Related
- 2000-12-20 WO PCT/FR2000/003611 patent/WO2001045951A1/fr not_active Ceased
- 2000-12-20 AU AU26883/01A patent/AU2688301A/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0452808A2 (fr) * | 1990-04-12 | 1991-10-23 | LINTEC Corporation | Feuille adhésive et son utilisation pour un cylindre de plaque |
| US5715750A (en) * | 1994-01-13 | 1998-02-10 | Winkle Holding, B.V. | Printing form attachment means |
| EP0766143A1 (fr) * | 1995-09-29 | 1997-04-02 | E.I. Du Pont De Nemours And Company | Méthodes et appareils pour réaliser des éléments photosensibles cylindriques |
| EP0881098A1 (fr) * | 1997-05-28 | 1998-12-02 | Rollin S.A. | Manchon perfectionné pour cylindre de machine d'impression ou analogue et procédé de mise en place de ce manchon |
| WO1999006212A1 (fr) * | 1997-07-29 | 1999-02-11 | Gabriella Cacchi | Procede pour le montage de plaques d'impression sur des manchons, puis des manchons resultants sur des cylindres d'imprimeuse flexographique |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6954291B2 (en) | 2001-09-04 | 2005-10-11 | Esko-Graphics A/S | Method, apparatus, and computer program for reducing plate material waste in flexography plate making |
| US6823793B2 (en) | 2003-01-06 | 2004-11-30 | Esko Graphics, Nv | Method and apparatus for mounting flexographic plate segments |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1240021B1 (fr) | 2003-10-29 |
| DE60006285D1 (de) | 2003-12-04 |
| ES2210029T3 (es) | 2004-07-01 |
| FR2802465A1 (fr) | 2001-06-22 |
| ATE252982T1 (de) | 2003-11-15 |
| DE60006285T2 (de) | 2004-07-22 |
| FR2802465B1 (fr) | 2002-10-25 |
| EP1240021A1 (fr) | 2002-09-18 |
| AU2688301A (en) | 2001-07-03 |
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