EP1377458B1 - Verfahren zum anbringen eines befestigungsstabs an einem ende eines drucktuchs und sich ergebendes drucktuch - Google Patents

Verfahren zum anbringen eines befestigungsstabs an einem ende eines drucktuchs und sich ergebendes drucktuch Download PDF

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Publication number
EP1377458B1
EP1377458B1 EP02732812A EP02732812A EP1377458B1 EP 1377458 B1 EP1377458 B1 EP 1377458B1 EP 02732812 A EP02732812 A EP 02732812A EP 02732812 A EP02732812 A EP 02732812A EP 1377458 B1 EP1377458 B1 EP 1377458B1
Authority
EP
European Patent Office
Prior art keywords
blanket
bar
stripped
printing blanket
layer
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.)
Expired - Lifetime
Application number
EP02732812A
Other languages
English (en)
French (fr)
Other versions
EP1377458A1 (de
Inventor
Denis Hertzog
Patrick Mauget
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.)
MacDermid Graphics Solutions Europe SAS
Original Assignee
MacDermid Printing Solutions Europe SAS
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 MacDermid Printing Solutions Europe SAS filed Critical MacDermid Printing Solutions Europe SAS
Priority to SI200230659T priority Critical patent/SI1377458T1/sl
Publication of EP1377458A1 publication Critical patent/EP1377458A1/de
Application granted granted Critical
Publication of EP1377458B1 publication Critical patent/EP1377458B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41N10/00—Blankets or like coverings; Coverings for wipers for intaglio printing
    • B41N10/02—Blanket structure
    • B41N10/06—Blanket structure facilitating fastening to, or location on, supports
    • 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
    • B41F27/1281—Devices for attaching printing elements or formes to supports for attaching flexible printing formes details of the printing plate ends
    • 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
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders

Definitions

  • the invention relates to a method for fixing a strip at one end of a printing blanket, of the type comprising a lithographic layer, a compressible layer and at least one reinforcing layer woven between the lithographic layer and the compressible layer, according to which at least one end of the blanket is fixed to a strip and a blanket obtained by this method.
  • Blankets of the state of the art for example as described in the document EP 0 742 760 are pinched at both ends in a bar which bears on the free faces of the two outer layers.
  • the object of the present invention is to propose a method for attaching a strip to a blanket which makes it possible to increase the mechanical strength of the strips and to eliminate the aforementioned risk.
  • the method according to the invention is characterized in that the end of the blanket on which a bar is to be fixed is stripped, until the main or single reinforcement of the blanket is cleared and fixed. the bar on said reinforcement.
  • the bar is fixed on the reinforcement by gluing.
  • the two faces of the beam are stripped and the bar is fixed by bonding to the two stripped sides of the beam.
  • a printing blanket according to the invention is characterized in that at least one face of the reinforcement is stripped and the bar is fixed by gluing on this face.
  • the bar has the shape of a flat rod.
  • the bar has an L-shaped profile whose branch is glued to the stripped beam portion.
  • the bar has a profile in the form of a U, a branch of which is glued to a bare beam face.
  • the two faces of the beam are stripped and each branch of the bar is glued on one of the two sides of stripped beam.
  • FIG. 1 shows an end of a blanket 1 on which is mounted, by gluing, a bar 2 which has a general shape of a U in which engages the end 3 of the blanket.
  • the latter presents in FIG. 1 three layers, namely a lithographic outer layer 5, an outer base layer 6 and, interposed between these two layers, a reinforcing layer 7 comprising a main or single reinforcement, such as a beam 8.
  • a reinforcing layer 7 comprising a main or single reinforcement, such as a beam 8.
  • the layer 6 is removed at 9 to strip the beam 8 as will be described later in detail.
  • the adhesive indicated at 4 and which serves as a means of fixing the bar on the end 3 of the blanket is disposed directly in the area 9 on the beam.
  • part of the upper branch 11 of the bar is fixed, via a layer of glue, in its front portion on the outer face 8 and its end portion on the beam, while the other branch 13 of the bar is fixed on the outer face of the lithographic layer 5.
  • the blanket 1 shown in FIG. 2 could in fact have a structure as illustrated in FIG. 2 or FIG. 3.
  • the blanket comprises between the lithographic layer 5 and the layer opposed outer surface 6 which is a slightly compressible polymer layer, a stabilizing fabric layer 15, a compressible layer 16 to which is integrated a beam 8 and a compact polymer layer 17, the beam being disposed inside the layer
  • the blank of FIG. 3 is distinguished from the blanket shown in FIG. 2 in that the compact polymer layer 17 has been omitted.
  • the blanket of FIG. 3 may have a thickness of 1.1 mm smaller than that of 1.2 mm of the blanket according to FIG. 2.
  • the invention also applies to blankets of standard thickness. generally between 1.35 and 2.35 mm.
  • Figures 2 and 3 show the blanket after the beam 8 has been stripped on the part 9, the initial contour of the end 3 being shown in broken lines.
  • FIGS. 4 to 6 show three essential steps in the method of mounting the bar 2 on the end 3 of the blanket 1.
  • This process consists in delaminating in a first step shown in FIG. 4 a portion of the thickness of the blanket on a width suitable for discovering the son which ensure the resistance to the elongation of the blanket, that is to say in general of the aramid beam 8.
  • the stripped surface and the rest of the surface to be bonded can be prepared for bonding or solvent washing or mechanical brushing or equivalent.
  • the beam thus stripped is coated with glue, as illustrated in FIG. 5.
  • the strip 2 is mounted on the blanket end 3.
  • FIG. the bar in its position before the actual bonding.
  • the blanket may be stripped over a distance, for example from 1 to 20 mm, and the blanket may be grasped by strips of length, width or depth of between 5 and 30 mm.
  • the blanket can be stripped on both sides simultaneously, until the release of the son that ensure the resistance to elongation of the blanket.
  • a simple bar for example a strip in the form of a flat wand or a bar having an L-shaped profile, which will then be fixed on the stripped bare surface of the resistance wires.
  • the bar may, alternatively, be molded on the blanket blanket.
  • the bar can be made of metal but also composite, thermoplastic reinforced or not with fibers or with a metal grid.
  • the invention is useful for single-reinforced blankets, lithographic two-layer blankets, polymer-backed blankets and blankets with thinned ends, as described for example in the document FR 9900828 .
  • the aforementioned single reinforcement may consist of an aramid beam, a beam made of other high modulus and high strength fibers, a fabric of different weaves known per se or a grid or of a plastic film.
  • the invention also applies to a blanket more conventional in its design and having, where appropriate, more than one reinforcement in its carcass.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)

Claims (11)

  1. Verfahren zum Anbringen eines Stabs an einem Ende eines Drucktuchs vom Typ, eine lithographische Schicht, eine Basisschicht und zwischen seinen zwei Schichten mindestens eine gewebte Verstärkungsschicht umfassend, dadurch gekennzeichnet, dass das besagte Ende (3) des Tuchs (1), an dem der Stab (2) befestigt werden muss, freigelegt wird, bis die Haupt- oder einzige Verstärkung des Tuchs (1), wie ein Kettbaum (8), freigegeben wird, und die Befestigung des Stabs mindestens auf dem freigelegten Kettbaumabschnitt (9) des Tuchs erfolgt.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Befestigung des Stabs (2) durch Kleben gewährleistet wird, nachdem mindestens der freigelegte Kettbaumabschnitt mit Klebstoff bestrichen wurde.
  3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass die zwei Seiten des Kettbaums freigelegt sind und der Stab durch Kleben auf den zwei freigelegten Kettbaumseiten befestigt ist.
  4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Stab (2) auf dem freigelegten Tuch aufgeformt ist.
  5. Drucktuch, hergestellt gemäß dem Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass mindestens eine Seite der Verstärkung freigelegt ist und der Stab durch Kleben auf dieser Seite befestigt ist.
  6. Tuch nach Anspruch 5, dadurch gekennzeichnet, dass der Stab (2) durch Kleben auf der vorgenannten freigelegten Seite (9) befestigt ist.
  7. Tuch nach Anspruch 6, dadurch gekennzeichnet, dass der Stab die Form einer flachen Leiste aufweist.
  8. Tuch nach Anspruch 6, dadurch gekennzeichnet, dass der Stab ein Profil in Form eines L hat, von dem ein Schenkel auf den freigelegten Kettbaumabschnitt geklebt ist.
  9. Tuch nach Anspruch 6, dadurch gekennzeichnet, dass der Stab ein Profil in Form eines U hat, von dem ein Schenkel auf einer freigelegten Kettbaumseite geklebt ist.
  10. Tuch nach Anspruch 9, dadurch gekennzeichnet, dass die zwei Seiten des Kettbaums freigelegt sind und jeder Schenkel des Stabs auf einer der zwei freigelegten Kettbaumseiten geklebt ist.
  11. Tuch nach Anspruch 5, dadurch gekennzeichnet, dass der Stab auf das freigelegte Tuch aufgeformt ist.
EP02732812A 2001-04-12 2002-04-11 Verfahren zum anbringen eines befestigungsstabs an einem ende eines drucktuchs und sich ergebendes drucktuch Expired - Lifetime EP1377458B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200230659T SI1377458T1 (sl) 2001-04-12 2002-04-11 Postopek namestitve pritrditvene palice na konec tiskarskega sukna in tako dobljeno tiskarsko sukno

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0105044A FR2823468B1 (fr) 2001-04-12 2001-04-12 Procede de fixation d'une barrette a une extremite d'un blanchet d'impression et blanchet d'impression ainsi obtenu
FR0105044 2001-04-12
PCT/FR2002/001273 WO2002083421A1 (fr) 2001-04-12 2002-04-11 Procédé de fixation d'une barrette à une extrémité d'un blanchet d'impression et blanchet d'impression ainsi obtenu

Publications (2)

Publication Number Publication Date
EP1377458A1 EP1377458A1 (de) 2004-01-07
EP1377458B1 true EP1377458B1 (de) 2007-11-28

Family

ID=8862285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02732812A Expired - Lifetime EP1377458B1 (de) 2001-04-12 2002-04-11 Verfahren zum anbringen eines befestigungsstabs an einem ende eines drucktuchs und sich ergebendes drucktuch

Country Status (7)

Country Link
US (1) US6959644B2 (de)
EP (1) EP1377458B1 (de)
JP (1) JP4161190B2 (de)
DE (1) DE60223792T2 (de)
ES (1) ES2296930T3 (de)
FR (1) FR2823468B1 (de)
WO (1) WO2002083421A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7931649B2 (en) * 2002-10-04 2011-04-26 Tyco Healthcare Group Lp Vessel sealing instrument with electrical cutting mechanism
US8783178B2 (en) * 2005-11-09 2014-07-22 Day International, Inc. Printing blanket including a non-extensible backing layer and a relief area which may be mounted in a variety of lockup mechanisms
CN106364211A (zh) * 2016-08-25 2017-02-01 天津万事达印铁包装容器有限公司 折回式铝夹

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706121A (en) * 1970-02-27 1972-12-19 Amp Inc Crimping dies for terminating foil conductor in a foil conductor termination and foil locator and holder therefor
US3675573A (en) * 1970-09-01 1972-07-11 Roberts & Porter Inc Blanket bar and adapter bar assembly for printing blanket
US4574697A (en) * 1980-08-11 1986-03-11 Norwood Industries, Inc. Sheet material for mounting printing plates
US4744297A (en) * 1985-09-17 1988-05-17 The Ward Machinery Company Mounting printing plates
US4932324A (en) * 1988-06-06 1990-06-12 Day International Corporation Mounting device for adhesive-backed blankets
US5103729A (en) * 1990-09-21 1992-04-14 Matthews International Inc. Apparatus for securing a printing plate to a printing plate cylinder and a printing plate composite utilizing such apparatus
US5092238A (en) * 1990-09-21 1992-03-03 Matthews International Inc. Printing plate composite including a quick mounting system for securing such composite to a printing plate cylinder
US5237734A (en) * 1991-04-01 1993-08-24 General Motors Corporation Method of interlocking hemmed together panels
US5350623A (en) * 1992-09-21 1994-09-27 Derrick Steven L Compressible blanket assembly
US5487339A (en) * 1994-02-02 1996-01-30 Reeves Brothers, Inc. Method for fastening a holding bar to a printing blanket

Also Published As

Publication number Publication date
US20040159256A1 (en) 2004-08-19
US6959644B2 (en) 2005-11-01
JP2004523402A (ja) 2004-08-05
EP1377458A1 (de) 2004-01-07
WO2002083421A1 (fr) 2002-10-24
DE60223792D1 (de) 2008-01-10
ES2296930T3 (es) 2008-05-01
JP4161190B2 (ja) 2008-10-08
DE60223792T2 (de) 2008-10-30
FR2823468B1 (fr) 2003-10-31
FR2823468A1 (fr) 2002-10-18

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