EP1377458B1 - Proc d de fixation d'une barrette une extr mit d'un blanchet d'impression et blanchet d'impression ainsi obtenu - Google Patents
Proc d de fixation d'une barrette une extr mit d'un blanchet d'impression et blanchet d'impression ainsi obtenu Download PDFInfo
- 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
Links
Images
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.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
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 |
---|---|---|---|
FR0105044 | 2001-04-12 | ||
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 |
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 (fr) | 2004-01-07 |
EP1377458B1 true EP1377458B1 (fr) | 2007-11-28 |
Family
ID=8862285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02732812A Expired - Lifetime EP1377458B1 (fr) | 2001-04-12 | 2002-04-11 | Proc d de fixation d'une barrette une extr mit d'un blanchet d'impression et blanchet d'impression ainsi obtenu |
Country Status (7)
Country | Link |
---|---|
US (1) | US6959644B2 (es) |
EP (1) | EP1377458B1 (es) |
JP (1) | JP4161190B2 (es) |
DE (1) | DE60223792T2 (es) |
ES (1) | ES2296930T3 (es) |
FR (1) | FR2823468B1 (es) |
WO (1) | WO2002083421A1 (es) |
Families Citing this family (3)
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)
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 |
-
2001
- 2001-04-12 FR FR0105044A patent/FR2823468B1/fr not_active Expired - Fee Related
-
2002
- 2002-04-11 EP EP02732812A patent/EP1377458B1/fr not_active Expired - Lifetime
- 2002-04-11 JP JP2002581199A patent/JP4161190B2/ja not_active Expired - Fee Related
- 2002-04-11 ES ES02732812T patent/ES2296930T3/es not_active Expired - Lifetime
- 2002-04-11 WO PCT/FR2002/001273 patent/WO2002083421A1/fr active IP Right Grant
- 2002-04-11 US US10/474,258 patent/US6959644B2/en not_active Expired - Fee Related
- 2002-04-11 DE DE60223792T patent/DE60223792T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2296930T3 (es) | 2008-05-01 |
EP1377458A1 (fr) | 2004-01-07 |
FR2823468B1 (fr) | 2003-10-31 |
JP4161190B2 (ja) | 2008-10-08 |
US6959644B2 (en) | 2005-11-01 |
FR2823468A1 (fr) | 2002-10-18 |
DE60223792D1 (de) | 2008-01-10 |
WO2002083421A1 (fr) | 2002-10-24 |
US20040159256A1 (en) | 2004-08-19 |
DE60223792T2 (de) | 2008-10-30 |
JP2004523402A (ja) | 2004-08-05 |
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