DE3931479A1 - Bow-leading film as lift for counterpressure cylinders and bow transfer cylinders in bow-offset printing machines for beautiful and reprinting - Google Patents

Bow-leading film as lift for counterpressure cylinders and bow transfer cylinders in bow-offset printing machines for beautiful and reprinting

Info

Publication number
DE3931479A1
DE3931479A1 DE19893931479 DE3931479A DE3931479A1 DE 3931479 A1 DE3931479 A1 DE 3931479A1 DE 19893931479 DE19893931479 DE 19893931479 DE 3931479 A DE3931479 A DE 3931479A DE 3931479 A1 DE3931479 A1 DE 3931479A1
Authority
DE
Germany
Prior art keywords
sheet
bow
characterized
guiding film
film
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.)
Withdrawn
Application number
DE19893931479
Other languages
German (de)
Inventor
Werner Dr Appel
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to DE19893931479 priority Critical patent/DE3931479A1/en
Publication of DE3931479A1 publication Critical patent/DE3931479A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING 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
    • B41N7/00Shells for rollers of printing machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F22/00Means preventing smudging of machine parts or printed articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING 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
    • B41N2207/00Location or type of the layers in shells for rollers of printing machines
    • B41N2207/02Top layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING 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
    • B41N2207/00Location or type of the layers in shells for rollers of printing machines
    • B41N2207/10Location or type of the layers in shells for rollers of printing machines characterised by inorganic compounds, e.g. pigments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING 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
    • B41N2207/00Location or type of the layers in shells for rollers of printing machines
    • B41N2207/14Location or type of the layers in shells for rollers of printing machines characterised by macromolecular organic compounds

Description

The invention relates to a sheet-guiding film according to the The preamble of claims 1 and 2.

With perfecting, the currently printed, still wet side of the sheet after turning the sheet onto the Sheet guiding surface of the printing cylinders of the following Printing units pressed. Crucial for a constant good print quality is that as little color as possible the lateral surfaces of the subsequent printing cylinders and Arch transfer cylinder is built.

Various efforts have been made in the direction a cylinder jacket with the lowest possible Ink acceptance and optimal ink delivery behavior to accomplish. As a result, the in DE-PS 24 46 188 cylinder lift described: The curved surface of counter pressure cylinders or Sheet transfer cylinders in rotary printing machines has one in the form of spherical caps Structure. The spherical caps are equally high and statistical distributed over the surface of the cylinder lift. The Surface structuring itself serves a reduction the counter pressure area and thus bucket reduction of Contact surface for the backprint. The same amount of Spherical caps creates a uniform counter pressure surface, while the statistically even distribution of Spherical caps of the danger of a moir´ formation in the print counteracts.  

To keep the color acceptance as low as possible right from the start hold, nickel is used as the foil material. nickel possesses the required physical and chemical Properties: it is color-repellent, wear-resistant and compared to the chemicals used in a printing press largely resistant to chemicals.

An improvement to this cylinder lift is in the DE-OS 29 16 505 proposed: On the structured Surface made of durable, wear-resistant and with unyielding material good ink release behavior (e.g. nickel) additionally a thin one that compensates for the micro roughness Chrome layer applied. This will on the one hand Lifetime of the foil around the lifetime of the chrome layer on the other hand, it is extended at certain intervals necessary cleaning of the film due to its smoother surface relieved.

In practice it has been shown that the ink release behavior of chrome and nickel is particularly pronounced after the Cylinder lift was treated with a plate cleaner. Further tests in this direction confirm that the "paint repellent" properties of these metals only in connection with that which is essential in offset printing Add wiping water.

The object of the present invention is a To create cylinder lift for a printing cylinder that both by its surface structure and by the low surface tension of the coating material Color build-up prevented.

The task is solved by the characteristic part of the Claims 1 and 2.  

The low ink acceptance and good ink delivery behavior a surface is both from the surface structuring as well as depending on the choice of surface material. In the invention, the tried and tested structuring was used of the cylinder elevator in the form of the same height, statistically spherical caps evenly distributed over the surface chosen. This structuring is particularly advantageous if the film is used as an elevator for printing cylinders. The invention also lies in the fact that the sheet leading Surface (e.g. with sandblasting) is roughened. Both structures serve to reduce the surface and thus a reduction in the contact area between freshly printed sheet side and cylinder surface. In addition to the advantages of structuring already described of the cylinder elevator plays the material of the elevator in the With regard to the desired poor color acceptance or good Color delivery behavior plays an important role. This desired Properties are the more pronounced the lower the Surface tension of the coating material is. That's why silicone was selected. The surface tension of silicone is only about half the size of chrome.

This property of silicone is well known. Like that UGRA-Mitteilungen No. 1, 1984 can be found Silicone-rubber printing plates in waterless offset printing used. In waterless offset printing, achieve satisfactory printing results only if the Surface tension of the non-image areas after the Exposure continues from the original coating Wear silicone rubber is low and if the polar Almost non-image areas and printing inks are the same. This printing process can therefore only be used perform using special colors.

Silicone also has the advantage that its chemical and physical properties modified in a wide range  can be. To be emphasized here are those for the invention essential characteristics: wear resistance, chemical Resistance to those used in the printing process Chemicals and incompressibility - a basic requirement for the use of silicone as a coating material for Pressure cylinder.

As an advantageous embodiment, it is provided as Use nickel, chrome or plastic carrier material. Applying the silicone coating to the structured Foil offers the advantage that the smoother surface can be cleaned faster and better than the somewhat rougher Carrier layer.

In an advantageous embodiment of the invention is made of color-proofing on several carrier layers Additional materials (e.g. chrome or nickel) applied a silicone coating. In addition to the larger one This will greatly extend stability Service life of the film reached. Good color proof behavior the color remains even if areas of the Silicone layer can be removed by wear.

Another embodiment provides that the Spherical caps, or the roughened surface, are part of a silicone film with the same material, the sheet-guiding film attached directly to the printing cylinder is or via a clamping device on the pressure cylinder can be spanned.

The invention is illustrated below by an embodiment explained in more detail with reference to the drawings. It shows:  

Fig. 1 shows a detail of the structured surface of a sheet-carrying sheet according to the invention and

Fig. 2 shows the section II, II through this film section.

In Fig. 1 a plan view is shown on the textured surface 1 of the sheet-guiding film 2. The structure of the sheet 2 guiding the sheet is caused by the spherical caps 3 , which are statistically evenly distributed over the surface. Statistically uniform means that the same number of spherical caps 3 can be found on an area unit on average. Since the distribution of the spherical caps 3 on the sheet-guiding film 2 is only statistically uniform, this structuring counteracts the formation of a moir in the print. Exactly the same distribution of spherical caps 3 per unit area harbors the risk that the support points superpose with the evenly distributed screen dots of the print in such a way that patterns are formed in the printed product.

As can be seen in FIG. 2, the spherical caps 3 are all of the same height. The domes of the spherical caps 3 form a uniform counter-pressure surface 4 , since they represent an excellent support for the sheet to be printed on the other side. This arrangement of the spherical caps 3 also prevents premature wear of the above wings.

As can be seen from FIG. 2, the sheet-guiding film 2 consists of two layers, namely the carrier layer 5 , which consists either of nickel, chromium or plastic, and a silicone coating 6 . This embodiment of the invention has the advantage that the surface becomes much smoother than the carrier layer 5 originally molded, for example, from a glass bead cloth. It is ensured that such an arch-carrying film 2 has the same good color delivery behavior from the start of use.

Parts list

1 structured surface
2 sheet-guiding film
3 spherical cap
4 counter pressure surface
5 carrier layer
6 silicone coating

Claims (7)

1. Sheet guiding film as an elevator for impression cylinders and sheet transfer cylinders in sheet-fed offset printing machines for face and reverse printing, characterized in that
that the surface of the film ( 2 ) carrying the sheet is provided with statistically uniformly distributed, equally high spherical caps ( 3 ),
the film ( 2 ) consists of at least one chemically resistant, wear-resistant and incompressible carrier layer ( 5 ),
and that a silicone coating ( 6 ) is applied to the structured surface ( 1 ) of the carrier layer ( 5 ).
2. sheet-guiding film as an elevator for impression cylinders and sheet transfer cylinders in sheet-fed offset printing machines for face and reverse printing, characterized in that
that the sheet-bearing surface of the film is roughened,
the film ( 2 ) consists of at least one chemically resistant, wear-resistant and incompressible carrier layer ( 5 ),
and that a silicone coating ( 6 ) is applied to the structured surface ( 1 ) of the carrier layer ( 5 ).
3. sheet-guiding film according to claim 1 or 2, characterized, that the backing layer made of a color-proof Material such as chrome or nickel is made.  
4. Sheet guiding film according to claim 1 or 2, characterized in that plastic is used as the carrier layer ( 5 ).
5. sheet-guiding film according to claim 1 or 2, characterized in that the sheet-guiding film ( 2 ) is made of silicone.
6. sheet-guiding film according to claim 1 or 2, characterized in that a silicone coating ( 6 ) is additionally applied to two carrier layers ( 5 ) made of nickel and chromium.
7. sheet-guiding film according to one or more of the preceding claims, characterized in that the film ( 2 ) is attached directly or via a clamping device on the cylinder.
DE19893931479 1989-09-21 1989-09-21 Bow-leading film as lift for counterpressure cylinders and bow transfer cylinders in bow-offset printing machines for beautiful and reprinting Withdrawn DE3931479A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893931479 DE3931479A1 (en) 1989-09-21 1989-09-21 Bow-leading film as lift for counterpressure cylinders and bow transfer cylinders in bow-offset printing machines for beautiful and reprinting

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19893931479 DE3931479A1 (en) 1989-09-21 1989-09-21 Bow-leading film as lift for counterpressure cylinders and bow transfer cylinders in bow-offset printing machines for beautiful and reprinting
CA 2023805 CA2023805A1 (en) 1989-09-21 1990-08-22 Sheet-guiding foil as dressing for backpressure cylinders and sheet-transfer cylinders in sheet-fed offset printing presses for perfecting
GB9020144A GB2236508A (en) 1989-09-21 1990-09-14 Printing press cylinder dressing foil
FR9011546A FR2652039A1 (en) 1989-09-21 1990-09-19 Sheet guiding sheet as a cover for a print counter cylinder and a sheet transfer cylinder in offset sheet printing machines.
JP24901090A JPH03120048A (en) 1989-09-21 1990-09-20 Sheet transfer cylinder for perfecting sheet-feed offset press, and sheet for guiding sheet as a packing paper for impression cylinder

Publications (1)

Publication Number Publication Date
DE3931479A1 true DE3931479A1 (en) 1991-04-04

Family

ID=6389864

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893931479 Withdrawn DE3931479A1 (en) 1989-09-21 1989-09-21 Bow-leading film as lift for counterpressure cylinders and bow transfer cylinders in bow-offset printing machines for beautiful and reprinting

Country Status (5)

Country Link
JP (1) JPH03120048A (en)
CA (1) CA2023805A1 (en)
DE (1) DE3931479A1 (en)
FR (1) FR2652039A1 (en)
GB (1) GB2236508A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4207119A1 (en) * 1992-03-06 1993-09-16 Roland Man Druckmasch Arching print cylinder sheet profile
EP0909645A2 (en) * 1997-10-16 1999-04-21 Heidelberger Druckmaschinen Aktiengesellschaft Transport drum in a rotary press
EP1040921A1 (en) * 1999-03-27 2000-10-04 Koenig & Bauer Aktiengesellschaft Surface for machine parts in printing machines
WO2001005593A1 (en) * 1999-07-16 2001-01-25 Man Roland Druckmaschinen Ag Curve guide device for a printing machine
DE10063171A1 (en) * 2000-12-18 2002-06-20 Heidelberger Druckmasch Ag Cylinder jacket profile
DE19716424B4 (en) * 1997-04-18 2004-08-26 Koenig & Bauer Ag Device for preventing ink from depositing on cylinders of printing machines
EP1514683A1 (en) 2003-09-09 2005-03-16 Koenig & Bauer Aktiengesellschaft Method for operating a printing press
DE10360013A1 (en) * 2003-12-19 2005-07-21 Man Roland Druckmaschinen Ag Roller, in particular paper guide roller for rotary printing machines
DE102008019254A1 (en) 2007-05-16 2008-11-20 Heidelberger Druckmaschinen Ag Substrate contacting surface with a surface structuring
DE102008029817A1 (en) 2008-06-24 2009-12-31 Heidelberger Druckmaschinen Ag Print substrate contacting surface e.g. cylinder casing, manufacturing method for e.g. sheet processing rotary printing press, involves treating structured metal substrate with poly electrolytes, and with amphiphile substance
DE102010009225B4 (en) * 2009-03-13 2019-10-31 Heidelberger Druckmaschinen Ag Method for producing an elevator of a printing substrate contacting cylinder

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4639157B2 (en) * 1994-04-25 2011-02-23 新日鉄マテリアルズ株式会社 Guide roller or intermediate cylinder covering in printing apparatus, and printing apparatus using the same
US5907998A (en) * 1995-12-29 1999-06-01 Howard W. Demoore Anti-static, anti-smearing pre-stretched and pressed flat, precision-cut striped flexible coverings for transfer cylinders
DE20107183U1 (en) * 2001-04-26 2001-07-05 Roland Man Druckmasch Elevator for a sheet guiding cylinder in a processing machine
JP5064730B2 (en) * 2006-06-27 2012-10-31 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフトHeidelberger Druckmaschinen AG Surface with a micro-overhang to guide the substrate
JP2008105244A (en) * 2006-10-25 2008-05-08 Komori Corp Covering body for impression cylinder of conveying cylinder for printing machine
DE102008013322A1 (en) * 2007-03-30 2008-10-02 Heidelberger Druckmaschinen Ag Printing unit of a substrate processing machine
JP5123965B2 (en) * 2010-03-03 2013-01-23 東京印刷機材トレーディング株式会社 Impression cylinder and transfer cylinder jacket for offset sheet-fed printing press
JP2012006401A (en) * 2011-08-09 2012-01-12 Tokyo Printing & Equipment Trading Co Ltd Impression cylinder and transfer cylinder jackets for offset sheet-fed printer
US20170183124A1 (en) * 2015-12-28 2017-06-29 The Procter & Gamble Company Three-Dimensional Article Having Transfer Material Thereon
CN108430787A (en) 2015-12-28 2018-08-21 宝洁公司 The method being transferred to the material with adhesive using the curing degree difference between material and adhesive on product

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804417A (en) * 1947-01-13 1957-08-27 Minnesota Mining & Mfg Printing accessory
DE2446188A1 (en) * 1974-09-27 1976-04-08 Heidelberger Druckmasch Ag Bogenfuehrende mantelflaeche of back pressure cylinders and bogenueberfuehrungszylindern in rotary printing machines
DE2916505A1 (en) * 1979-04-24 1980-10-30 Heidelberger Druckmasch Ag Bogenfuehrende film than give for counter-pressure cylinder
DE3608286A1 (en) * 1985-04-03 1986-10-09 Winfried Heinzel Method for the surface treatment of a printing machine cylinder, a printing machine cylinder and the use thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS191441B1 (en) * 1975-01-27 1979-07-31 Frantisek Pospisil Cylinders of the priting machines
GB2081178A (en) * 1980-07-29 1982-02-17 Heidelberger Druckmasch Ag Sheet-guiding Foil as a Dressing for Back Pressure Cylinders
JPS6294392A (en) * 1985-10-21 1987-04-30 Ricoh Co Ltd Impression cylinder for offset press
JPS62275753A (en) * 1986-02-12 1987-11-30 Toray Ind Inc Rotation body for feeding printing paper
GB8703158D0 (en) * 1987-02-10 1987-03-18 P & S Textiles Ltd Industrial fabrics

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804417A (en) * 1947-01-13 1957-08-27 Minnesota Mining & Mfg Printing accessory
DE2446188A1 (en) * 1974-09-27 1976-04-08 Heidelberger Druckmasch Ag Bogenfuehrende mantelflaeche of back pressure cylinders and bogenueberfuehrungszylindern in rotary printing machines
DE2916505A1 (en) * 1979-04-24 1980-10-30 Heidelberger Druckmasch Ag Bogenfuehrende film than give for counter-pressure cylinder
DE3608286A1 (en) * 1985-04-03 1986-10-09 Winfried Heinzel Method for the surface treatment of a printing machine cylinder, a printing machine cylinder and the use thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patentblatt 15.7.1954: Aktenzeichen M 6404, 15l, 8/03 *

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4207119C2 (en) * 1992-03-06 1999-09-02 Roland Man Druckmasch Arch-guiding pressure cylinder jacket profile
US5343807A (en) * 1992-03-06 1994-09-06 Man Roland Druckmaschinen Ag Sheet-guiding impression-cylinder casing profile
DE4207119A1 (en) * 1992-03-06 1993-09-16 Roland Man Druckmasch Arching print cylinder sheet profile
DE19716424B4 (en) * 1997-04-18 2004-08-26 Koenig & Bauer Ag Device for preventing ink from depositing on cylinders of printing machines
EP0909645A2 (en) * 1997-10-16 1999-04-21 Heidelberger Druckmaschinen Aktiengesellschaft Transport drum in a rotary press
EP0909645A3 (en) * 1997-10-16 1999-10-06 Heidelberger Druckmaschinen Aktiengesellschaft Transport drum in a rotary press
DE19914136B4 (en) * 1999-03-27 2009-02-26 Koenig & Bauer Aktiengesellschaft Surface for machine parts in printing machines
EP1040921A1 (en) * 1999-03-27 2000-10-04 Koenig & Bauer Aktiengesellschaft Surface for machine parts in printing machines
WO2001005593A1 (en) * 1999-07-16 2001-01-25 Man Roland Druckmaschinen Ag Curve guide device for a printing machine
US7107902B1 (en) 1999-07-16 2006-09-19 Man Roland Druckmaschinen Ag Sheet-guiding device for a printing machine
DE19933438B4 (en) * 1999-07-16 2004-07-08 Man Roland Druckmaschinen Ag Printing machine with printing / coating units not involved in the printing / coating process
DE19933438A1 (en) * 1999-07-16 2001-04-05 Roland Man Druckmasch Sheet guiding device for a printing machine
US6766738B2 (en) 2000-12-18 2004-07-27 Heidelberger Drukmaschinen Ag Cylinder jacket profile, method of producing an easy-clean layer on a cylinder jacket profile and printing press
DE10063171A1 (en) * 2000-12-18 2002-06-20 Heidelberger Druckmasch Ag Cylinder jacket profile
EP1514683A1 (en) 2003-09-09 2005-03-16 Koenig & Bauer Aktiengesellschaft Method for operating a printing press
EP1514683B1 (en) * 2003-09-09 2013-06-05 Koenig & Bauer Aktiengesellschaft Method for operating a printing press
DE10360013A1 (en) * 2003-12-19 2005-07-21 Man Roland Druckmaschinen Ag Roller, in particular paper guide roller for rotary printing machines
DE102008019254A1 (en) 2007-05-16 2008-11-20 Heidelberger Druckmaschinen Ag Substrate contacting surface with a surface structuring
US8714085B2 (en) 2007-05-16 2014-05-06 Heidelberger Druckmaschinen Ag Surface with a surface structure for contacting printing material, machine for processing material and method for producing areas with a surface structure
DE102008019254B4 (en) * 2007-05-16 2015-06-25 Heidelberger Druckmaschinen Ag Substrate contacting surface with a surface structuring
DE102008029817A1 (en) 2008-06-24 2009-12-31 Heidelberger Druckmaschinen Ag Print substrate contacting surface e.g. cylinder casing, manufacturing method for e.g. sheet processing rotary printing press, involves treating structured metal substrate with poly electrolytes, and with amphiphile substance
DE102010009225B4 (en) * 2009-03-13 2019-10-31 Heidelberger Druckmaschinen Ag Method for producing an elevator of a printing substrate contacting cylinder

Also Published As

Publication number Publication date
GB9020144D0 (en) 1990-10-24
FR2652039A1 (en) 1991-03-22
CA2023805A1 (en) 1991-03-22
JPH03120048A (en) 1991-05-22
GB2236508A (en) 1991-04-10

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