EP1274589A1 - Hülsenanordnung für einen druckzylinder - Google Patents
Hülsenanordnung für einen druckzylinderInfo
- Publication number
- EP1274589A1 EP1274589A1 EP01982130A EP01982130A EP1274589A1 EP 1274589 A1 EP1274589 A1 EP 1274589A1 EP 01982130 A EP01982130 A EP 01982130A EP 01982130 A EP01982130 A EP 01982130A EP 1274589 A1 EP1274589 A1 EP 1274589A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- printing
- film
- printing form
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/10—Forme cylinders
-
- 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
- B41F27/14—Devices for attaching printing elements or formes to supports for attaching printing formes to intermediate supports, e.g. adapter members
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
- B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
Definitions
- the invention relates to a sleeve arrangement for a printing cylinder, consisting of a rigid inner sleeve that can be fixed on a printing cylinder and a thin-walled printing form sleeve with the printing surface that can be axially pushed onto the inner sleeve.
- printing forms or printing plates are mounted on the steel printing cylinders of printing machines.
- the printing surfaces of the printing blocks are raised, especially in the case of so-called flexo printing.
- the printing blocks are not attached directly to the printing cylinders, but an elastic or compressible intermediate layer is provided, which deforms elastically during the printing process and thus reduces the dot gain, which would lead to a loss in quality of the print.
- a printing form which is produced by means of a printing plate, takes place as follows.
- a double-sided adhesive, compressible foam tape is applied to a rigid support sleeve made of plastic or metal, on which the pressure plate is fixed.
- the printing form produced in this way is mounted on the printing cylinder either directly or via an adapter sleeve using an air cushion built up by means of compressed air from the inside of the printing cylinder.
- a layer of glue is applied to a rigid support sleeve, on which a compressible foam tape is spirally wound.
- the foam tape is then sanded to the correct external dimension and provided with an adhesive layer.
- the photopolymer layer is then applied and by the action of heat both at the joint and on the lower ⁇ ground fused, creating a seamless printing form.
- the printing form thus formed is fixed on the printing cylinder in the same way as described above.
- DE 695 08 184 discloses a sleeve arrangement for a printing cylinder which consists of a rigid inner sleeve (intermediate sleeve 12) and a thin-walled printing form sleeve (thin jacket 14) with the printing surface (18) which can be axially pushed onto the inner sleeve.
- This arrangement in particular the arrangement of the intermediate sleeves, is intended to serve the purpose of keeping a reduced stock of metallic support cylinders in stock.
- This previously known arrangement thus consists of two matching rigid sleeves, the outer jacket forming a unit with the printing block.
- the use of thin support sleeves cannot eliminate the above problems, since a compressible intermediate layer below the printing block is necessary to ensure a good printing quality and therefore a foam layer has to be fitted with great effort between the support sleeve and the printing block.
- the invention has for its object to reduce the production, storage and replacement costs in the production of printing plates.
- the main advantages of the invention can be seen in the fact that the printing form produced according to the invention requires less material due to the very small wall thickness, as a result of which the production costs decrease. Due to the flexibility of the film-like support sleeve, it is possible to dispense with the compressible foam layer conventionally provided between the support sleeve and printing block, as a result of which the very considerable amount of work involved in producing this foam layer can be eliminated.
- the compressibility of the overall system is achieved according to the invention in that the compressible layer is firmly present on the adapter sleeve provided underneath the film sleeve and acts through it due to the flexibility of the film sleeve.
- the invention makes it possible for a number of foam adapter sleeves with different parameters (diameter, elasticity and thickness of the compressible layer) to be kept in stock on the printer side and only the printing form produced without a compressible layer having to be mounted.
- the lower weight of the printing forms according to the invention means that the transport and storage of the printing forms is less expensive.
- the combination of features according to the invention advantageously achieves a material saving in that the compressible layer required to avoid the dot gain is not part of the molded part (as is the case, for example, with DE 695 08 184 cited above) and therefore the elastic covering is part of the reusable ones Inner sleeve is. Due to the extreme flexibility of the film sleeve, the compressibility of the intermediate layer is transferred to the printing surface.
- the actual printing form is at Invention only from the flexible film sleeve with the attached printing surface (cliché), whereby due to the high flexibility (the extreme thin walls) the printing form sleeve is very deformable and can be compressed for storage like an elypse. This results in considerable storage advantages compared to the conventional sleeve arrangements which are not deformable to this extent (less space requirement, lower weight).
- the high flexibility also makes it easier to transport the printing form sleeves according to the invention, since smaller packaging can be selected.
- Fig. 1 a sleeve arrangement according to the invention consisting of a film sleeve and applied printing block in side view;
- the film sleeve 12 has a wall thickness of at most 0.5 mm, preferably between 0.15 mm and 0.35 mm and particularly preferably between 0.25 mm and 0.30 mm. It is preferably made of a plastic, but could also be made of metal or other materials, provided that it is only sufficiently flexible, ie a sufficiently small one
- polyesters are particularly suitable as the sleeve material.
- the film sleeve 12 can be provided on the outside with micro-grooves 18 running in the axial direction for the discharge of air between the film sleeve and the printing block in the production of the printing form below Use of photopolymer films. These micro grooves 18 are only indicated in a small area in FIG. 1, they are actually provided on the entire outside of the film sleeve 12.
- a method according to the invention for producing a printing form sleeve using the film sleeve described above comprises the following steps: at least one nonwoven mat, preferably made of polyester fleece, is impregnated around a shaping cylinder and by means of a resin, preferably vinyl ester resin; depending on the type of resin used, the resin is cured by means of heat or UV light;
- a photopolymer film forming the printing plate 16 is placed around the film sleeve 12 and the system of film sleeve 12 and printing plate 16 is placed under reduced pressure or vacuum in order to discharge the air between the film sleeve 12 and the printing plate 16 via the micro grooves 18 formed;
- the printing block 16 and the film sleeve 12 are baked together under the action of elevated temperature, the joint of the photopolymer film being melted to form a seamless photopolymer sleeve.
- a printing form sleeve with a very small wall thickness, low rigidity and low weight is then available, which can be mounted on a foam adapter sleeve.
- the foam adapter sleeve 20 shown in FIG. 2 is axially pushed onto a pressure cylinder, not shown, with air outlet holes on the outer surface, forming an air cushion between the pressure cylinder and foam adapter sleeve 20.
- the foam adapter sleeve 20 comprises a supporting layer 22, on the outside of which a compressible layer 24 is applied.
- the supporting layer 22 is usually made of plastic and has a thickness of 3 to 70 mm.
- the on the supporting layer 22, an elastic layer 24 firmly applied is preferably a foam layer, especially consisting of PU foam, and has a thickness of 0.5 mm to 3 mm.
- the foam adapter sleeve 20 has through bores 26 which lead from the inside of the load-bearing layer 22 through the elastic layer 24 and ensure that compressed air from the interior of the pressure cylinder can get to the outside of the foam adapter sleeve 20 when pushed onto the (not shown) pressure cylinder ,
- the printing form sleeve 10 is then axially slid on using an air cushion that forms between the elastic layer 24 of the intermediate sleeve 20 and the film sleeve 12.
- Air supply turned off, with which the assembly of the printing form sleeve 10 is completed.
- the printing plate can be supported elastically on the compressible layer of the foam adapter sleeve via the thin and flexible film sleeve, thereby ensuring high print quality.
- the printing form sleeve can be removed again and stored temporarily without great effort.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Actuator (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Pens And Brushes (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10046559 | 2000-09-19 | ||
DE10046559A DE10046559A1 (de) | 2000-09-19 | 2000-09-19 | Druckklischee-Montagesystem |
PCT/DE2001/003619 WO2002024464A1 (de) | 2000-09-19 | 2001-09-19 | Hülsenanordnung für einen druckzylinder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1274589A1 true EP1274589A1 (de) | 2003-01-15 |
EP1274589B1 EP1274589B1 (de) | 2003-11-26 |
Family
ID=7656943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01982130A Revoked EP1274589B1 (de) | 2000-09-19 | 2001-09-19 | Hülsenanordnung für einen druckzylinder |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1274589B1 (de) |
AT (1) | ATE255017T1 (de) |
AU (1) | AU2002213807A1 (de) |
CZ (1) | CZ294815B6 (de) |
DE (3) | DE10046559A1 (de) |
DK (1) | DK1274589T3 (de) |
ES (1) | ES2211827T3 (de) |
HK (1) | HK1053286B (de) |
TR (1) | TR200400323T4 (de) |
WO (1) | WO2002024464A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004043088A1 (de) * | 2004-09-07 | 2006-03-09 | Man Roland Druckmaschinen Ag | Sleeve für einen Druckmaschinenzylinder sowie Druckmaschinenzylinder |
DE102005023331A1 (de) | 2005-05-17 | 2006-11-23 | Gummiwerk Kraiburg Gmbh & Co. Kg | Druckzylinder und Verfahren zur Herstellung eines Druckzylinders, insbesondere für den Flexodruck |
DE102015102906B4 (de) | 2015-02-28 | 2019-07-25 | Gt+W Gmbh | Druckvorrichtung für Hochdruck und Tiefdruck |
CN106183370A (zh) * | 2016-07-06 | 2016-12-07 | 浙江炜冈机械有限公司 | 一种版辊轴、一种版辊套以及柔印机版辊装置 |
US10424989B2 (en) * | 2017-01-13 | 2019-09-24 | General Electric Company | Methods for manufacturing a housing for an electrical machine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3735662A1 (de) * | 1987-10-21 | 1989-05-03 | Bauer Albert Grafische | Flexodruckmaschine |
FR2660895B1 (fr) | 1990-04-12 | 1994-10-28 | Rollin Sa | Cylindre revetu d'un blanchet d'impression. |
CA2149716A1 (fr) * | 1994-05-19 | 1995-11-20 | Societe Seites | Procede de fabrication d'un manchon pour machine d'impression et manchon obtenu |
FR2726786A1 (fr) | 1994-11-14 | 1996-05-15 | Francille Jean | Agencement et manchon intercalaire porte-manchon mince notamment pour machine d'impression flexographique |
US5544584A (en) * | 1994-12-09 | 1996-08-13 | Thompson Urethane Products | Process for producing polymer-covered flexographic printing sleeves |
JP2832157B2 (ja) | 1995-02-16 | 1998-12-02 | 住友ゴム工業株式会社 | 印刷用ブランケット |
-
2000
- 2000-09-19 DE DE10046559A patent/DE10046559A1/de not_active Withdrawn
-
2001
- 2001-09-19 DK DK01982130T patent/DK1274589T3/da active
- 2001-09-19 ES ES01982130T patent/ES2211827T3/es not_active Expired - Lifetime
- 2001-09-19 DE DE50101039T patent/DE50101039D1/de not_active Revoked
- 2001-09-19 AT AT01982130T patent/ATE255017T1/de not_active IP Right Cessation
- 2001-09-19 CZ CZ20031062A patent/CZ294815B6/cs not_active IP Right Cessation
- 2001-09-19 EP EP01982130A patent/EP1274589B1/de not_active Revoked
- 2001-09-19 DE DE20122925U patent/DE20122925U1/de not_active Expired - Lifetime
- 2001-09-19 TR TR2004/00323T patent/TR200400323T4/xx unknown
- 2001-09-19 WO PCT/DE2001/003619 patent/WO2002024464A1/de active IP Right Grant
- 2001-09-19 AU AU2002213807A patent/AU2002213807A1/en not_active Abandoned
-
2003
- 2003-07-10 HK HK03104983.8A patent/HK1053286B/zh not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0224464A1 * |
Also Published As
Publication number | Publication date |
---|---|
CZ294815B6 (cs) | 2005-03-16 |
DK1274589T3 (da) | 2004-04-05 |
HK1053286A1 (en) | 2003-10-17 |
AU2002213807A1 (en) | 2002-04-02 |
WO2002024464A1 (de) | 2002-03-28 |
HK1053286B (zh) | 2004-05-28 |
DE20122925U1 (de) | 2010-04-29 |
CZ20031062A3 (cs) | 2003-10-15 |
DE10046559A1 (de) | 2002-04-04 |
EP1274589B1 (de) | 2003-11-26 |
ES2211827T3 (es) | 2004-07-16 |
ATE255017T1 (de) | 2003-12-15 |
TR200400323T4 (tr) | 2004-03-22 |
DE50101039D1 (de) | 2004-01-08 |
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