EP0925195B1 - Dispositif d'impression avec une forme serigraphique souple dans un cadre d'impression et forme serigraphique correspondante - Google Patents

Dispositif d'impression avec une forme serigraphique souple dans un cadre d'impression et forme serigraphique correspondante Download PDF

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Publication number
EP0925195B1
EP0925195B1 EP97909245A EP97909245A EP0925195B1 EP 0925195 B1 EP0925195 B1 EP 0925195B1 EP 97909245 A EP97909245 A EP 97909245A EP 97909245 A EP97909245 A EP 97909245A EP 0925195 B1 EP0925195 B1 EP 0925195B1
Authority
EP
European Patent Office
Prior art keywords
screen printing
printing
frame
printing apparatus
fabric
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
EP97909245A
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German (de)
English (en)
Other versions
EP0925195A1 (fr
Inventor
Christian Schilling
Horst Baumann
Martin Lehner
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.)
Sefar AG
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Sefar AG
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Filing date
Publication date
Application filed by Sefar AG filed Critical Sefar AG
Publication of EP0925195A1 publication Critical patent/EP0925195A1/fr
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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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/36—Screens, Frames; Holders therefor flat
    • 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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B41N1/247—Meshes, gauzes, woven or similar screen materials; Preparation thereof, e.g. by plasma treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature
    • Y10T428/24785—Edge feature including layer embodying mechanically interengaged strands, strand portions or strand-like strips [e.g., weave, knit, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/109—Metal or metal-coated fiber-containing scrim
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/109—Metal or metal-coated fiber-containing scrim
    • Y10T442/11—Including an additional free metal or alloy constituent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/109—Metal or metal-coated fiber-containing scrim
    • Y10T442/124—Including a natural or synthetic rubber layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/109—Metal or metal-coated fiber-containing scrim
    • Y10T442/126—Including a preformed film, foil, or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/184—Nonwoven scrim
    • Y10T442/188—Metal or metal-coated fiber-containing scrim

Definitions

  • the invention relates to a printing device with a flexible screen printing form made of plastic fabric in one Printing frame according to the preamble of claim 1.
  • the invention also includes a screen printing form Screen printing fabric made of intersecting plastic threads as Carrier of a coating from a - in particular photosensitive - emulsion according to the generic term of Claim 16
  • US-A-5,111,743 describes a printing device a flexible screen printing plate made of a textile-like fabric, the silk, nylon, polyester or the like. Threads is made or from stainless steel wires. Also metal plates with an etched hole system are mentioned. This screen printing plate is on two parallel edge areas clamped in a printing frame, between which a Rubber scrubber pushed back and forth to apply ink can be.
  • One of the panel edges is with - through one frame side - Screws fixed, the opposite Plate edge can be fixed by means of a and in Printing frame with part of the frame bearing the game moved become; a central rod is provided on the latter, the one with its free end pointing outwards passes through adjacent frame side, against their The outer surface is supported by a coil spring.
  • JP-A-60262689 (Sono Kogyo K.K.) discloses one Screen printing form with intersecting plastic threads Nickel coat as a support for a photosensitive Coating.
  • the screen printing process is - centuries after its first Application in China - since about the 19th century in Europe known; a fine-mesh textile or wire mesh is stretched in a screen printing frame and attached to the non-image Areas covered in opaque colors.
  • manual Cutting templates for example for inscriptions - are today preferred direct or photographically produced Indirect stencils common; the choice of stencil type - for direct stencils, those with emulsion, with direct film and emulsion or with direct film and water - remains left to the screen printer.
  • a screen printing fabric is placed over one Print frame made of light metal, wood or the like. spanned and glued to the print frame in its tensioned position.
  • a Cleaning the fabric enables subsequent application a light-sensitive emulsion, for example under Use of a coating trough manually or mechanically with a coating machine. Because the coating is not can be generated exactly up to the inside of the frame The remaining surface can be subsequently sealed with a screen filler. Now the coated surface is by means of a Exposed image corresponding copy template (film) exposed. The unexposed areas of the printed image are washed out.
  • the actual screen printing template is created, whose marginal zones are often still covered have to. Once these covers have dried, you can use the stencil can be printed.
  • the individual Devices designed for the respective manufacturing steps of the Stencil can be used to clean. So the workload for the production of a screen printing stencil-- especially a single template - relatively large.
  • plastic nets by chemical treatment of the surface to settle on these palladium seeds and the filaments to metallize. These chemical treatment processes take place over several stages and are in their compositions and processes on the respective plastic material vote. There are restrictions on the choice of materials given due to poor or unsuitable materials.
  • US-A-3,303,777 describes a holder for a stencil on a screen printing machine in which they work on two parallel ones Areas - which indicate the direction of movement displaceable, pressing the printing inks through sieve meshes Cross squeegee - to be fixed and tensioned.
  • US Pat. No. 4,042,466 shows a method for producing a fabric web made of a textile fabric for use as a screen printing stencil, the web of which is provided with a metallic cover layer.
  • the plastic threads are coated with a thin metallic layer of for example copper having a thickness 1 to 2 ⁇ m as a conductive intermediate layer, and in this a nickel layer of 25 ⁇ m is electrodeposited.
  • the inventor did it Goal set, the use of screen printing forms or - to considerably simplify stencils in printing units and to make it more user-friendly as well Increase register accuracy - even with long runs.
  • the print quality for fine lines and screens should be thanks to a homogeneous coating with a constant structure be optimized.
  • the use of stencil carriers is intended enables without self-expansion as well as by the mentioned jump caused length changes - and so that changes in tension of the template are eliminated.
  • Minimal stencil tensioners are said to have minimal squeegee pressures allow, resulting in reduced wear and tear of Stencil and squeegee guides. Tensioning the screen printing stencil in only one direction allows a constant specific squeegee pressure across the printing width.
  • the screen printing form consists of Printing device made of a metallized plastic fabric, the provided with a metallic coat layer and this in turn from a metal coating carrying the emulsion is covered, with the plastic fabric of both Provide fabric sides with the metallic jacket layer and then electroplated; Connecting elements are as profiled connecting strips or bearing profiles provided, one with the as a clamping beam trained movement element is connected. From the Metallized plastic mesh can be used for screen printing plates Cut predetermined format size.
  • the screen printing form or screen printing plate is - below Interposition of two parallel plate edges arranged connecting strips - on the one hand Frame side of the printing frame and on the other hand on an in this can be moved parallel to that side of the frame Clamping beam set.
  • the tensioning beam is transverse to Direction of movement of one that penetrates the printing inks Squeegee. Thanks to this type of attachment in two Squeegee crossing areas - and unpaved Longitudinal edges - will distort the print result Sag in the form of a cross section between the Avoid chain lines arising along the edges.
  • the metallization of the fabric according to the invention results in a sufficient angular strength with the result that the screen printing plate only has to be tensioned in one direction and still no register differences across the clamping direction arise.
  • This one-sided clamping also allows that the print image laterally to the edge of the screen printing plate can be placed; there is only room for to keep the attachment of a color border that is stuck on, welded, sewn or otherwise attached can be.
  • the screen printing plate has proven to be cheap exciting clamping beam using energy stores within the Print frame to one of its frame side or on Connect frame profile.
  • the screen printing plate is intended to facilitate the printing process at a distance from a surface to be printed become.
  • connection or connection strips Various forms of are of inventive importance so-called connection or connection strips. So one becomes cross-sectional about an S-shaped angled connecting strip, the cantilever legs in the tensioned position on the one hand Lower edge of the frame side - or the clamping beam - as well as a shoulder in the undercut interior the hollow side of the frame - or the hollow clamping beam - lies on. Another is angled in an S-shape The connecting strip has its cantilever leg in the tensioning direction a bearing surface one in the interior of the hollow Frame side or the hollow clamping beam one Expansion shaft.
  • Another connecting bar is one against the plane of the screen printing plate inclined hook bar, which in an oblique groove on the frame side or the clamping beam can be used is trained.
  • Another connection bar is with one from the plane of the screen printing plate at an angle curved cantilever leg provided in an equally inclined slanted slot of the frame side or the Clamping bar is designed to be used.
  • a screen printing form is included Screen printing fabric made of intersecting plastic threads as Carrier of a coating from an emulsion for a Printing device of the type described above, in which the Plastic threads with a vapor-deposited, plasma-sprayed or sputtered cladding layer of at least one metallic material are coated, which in turn by one that carries the emulsion, by galvanization resulting metal coating is covered; the metallic Material is on both sides of the screen printing fabric on this sprayed, evaporated or sputtered, this possibly several times.
  • the plastic threads are thus vapor-deposited Coat layer covered, which in turn by one - the Emulsion-bearing - created by galvanization Metal covering is covered.
  • the plastic fabric can also by so-called sputtering - by sputtering - with the Cladding layer to be prepared for electroplating.
  • a cladding layer made of metallic Material that prefers gold, silver, nickel, copper, Steel and / or a light metal - especially aluminum - Contains alone or as an alloy.
  • layer thicknesses of generates about 5 to over 200 nanometers - especially over 50 nm, which depending on the type of fabric and type of vapor deposition surface resistance from less than 0.2 ohm / 2 to a few hundred can have ohms / 2.
  • the Cathode sputtering - i.e. the sputtering mentioned - or Plasma spraying in a vacuum makes electrical conductivity of the fabric.
  • this conductive fabric is mainly determined by its metallization, for example by means of galvanic nickel plating.
  • the Elongation becomes striking with increased strength of the fabric reduced as well as its sliding resistance - regardless of the type of starting tissue - greatly increased.
  • the Metallizing substances contribute above all to strength at the binding points of the tissue.
  • - screen printing plate As the basis for the - ready-made and with coating provided - screen printing plate is thus a metallized Plastic fabric used, preferably with a metal coating made of nickel because of its general strength.
  • the metallic surface of the screen printing plate reduces the wear of the stencil, resulting in the latter very high print runs can be realized.
  • the conductive Surface of the screen printing plate prevents static Charges. Restrictions on substrates or Colors due to structural problems can practically be excluded become.
  • the metallized plastic fabric according to the invention ensures minimal strains with sufficient basic strength and causes barely measurable register differences are present on the template, regardless of the set one Tension train.
  • the mechanical full-surface coating of the limited flexibility metallized fabric causes a high, reproducible Stencil quality with excellent edge sharpness and exact color dosage.
  • a protective film if applicable reduces mishandling, which is a loss of Can cause coating quality. Because the coating on the endless roll of fabric is eliminated Masking work, as is common today.
  • the screen printing plate has a keder bead on each of two parallel edges, which bead can be inserted into a bearing profile as a connecting element. Thanks to these requirements, the screen printing plate consists of a metallized plastic fabric, which is machine-coated with a light-sensitive substrate and possibly protected on the coating side with a film. This eliminates all the preparatory work customary today in the production of screen printing stencils; the screen printing plate can be exposed and developed directly.
  • the metallic surface of the Stencil carrier has extensive chemical resistance as well high mechanical abrasion resistance.
  • the mechanical coating guarantees a constant high print quality with brilliant edge sharpness and more precise Dosage of the medium to be printed.
  • Another advantage is that the degree of utilization the screen printing plate - the ratio of the printable Area to total area - far above that of a conventional one Tissue lies, possibly doubled.
  • the squeegee pressure remains minimal since there are no deformations of the print carrier are to be overcome.
  • the doctor blade load over the printing width is constant because of the known additional forces at the squeegee ends due to the lack of transverse tension omitted.
  • a fabric 10 for making screen printing stencils is made from intersecting warp threads 12 and weft threads 14, 1 in a so-called canvas weave, in the case of a Repeat - one by a certain number of binding sites 16 defined repetition units - two each Warp threads 12 and two weft threads 14 belong.
  • These threads 12, 14 can be made from any plastic base material consist, for example, of polyamide (PA), polyethylene (PE), Polyethylene terephthalate (PET) or the like. more.
  • the plastic fabric 10 is a roll continuously Steaming process subjected to the maximum web length due to the highest possible winding diameter in the steaming system is determined.
  • the evaporation or sputtering process - possibly also a plasma application in vacuum - is carried out on both sides and, under certain circumstances, repeated several times for special requirements.
  • This creates around the thread 12, 14 as the respective plastic core - which is shown in FIG. 2, 3 for better clarity in contrast to the warp and weft thread 12, 14 with 12 a and 14 a - a diameter a of, for example, 15 ⁇ m to 100 ⁇ m is clarified in Fig. 3
  • This dry coating process can also be in the area each bond 16 lead to material accumulations, of which one between the crossing threads 12, 14 is indicated at 20.
  • Plastic mesh can now be used for direct galvanic metal deposition be made. You can turn any metals can be used, such as Cu, Ni or the like ..
  • the galvanic metallization can be carried out as a continuous process with practically any roll length and leads to a closed metal coating 22 of selectable layer thickness e - from preferably 2 ⁇ m to 20 ⁇ m and more - over the entire fabric 10 a ; this metal coating 22 ensures high mechanical stability, above all sliding resistance, and also chemical resistance of the metallized tissue 10 a ; its strength is significantly increased with a significant reduction in the elasticity.
  • Fig. 4 shows in a printing frame 24 a plate-like screen printing stencil or screen printing form 26 made of the above-described manner, metallized fabric 10 a and fixed to two opposite edges connecting profiles or strips 28. It cannot be seen that the fabric 10 a with a light-sensitive Emulsion layer is provided, which contains a phototechnically produced printing pattern - to be printed on a printing material 30 attached underneath.
  • the printing material 30 is placed on a printing table at a jump dimension or distance h below the - not shown in FIG. 4 - clamping plane of the screen printing stencil 26; during the printing process, a squeegee 32 guided parallel to those connecting strips 28 over the fabric 10 a pushes the fabric 10 a linearly onto the printing material 30.
  • the doctor 32 - also called scraper - here is a rectangular profile with a printing edge 33, the length of which is approximately that of Connection strips 28 corresponds and presses the printing ink on its path of movement through the open screen openings of the fabric 10 a in the printing pattern.
  • the rectangular printing frame 24 consists of four frame profiles or frame sides 34, which are designed here as hollow profile sections and one of which - referred to as 34 a - offers an undercut interior 36 for hanging in the one connecting strip 28; the latter is cross-sectionally approximately S-shaped with on both sides of a main strip 28 a on the longitudinal edges of which cantilevers 29 projecting in opposite directions, one of which is fixed in the interior 36 and the other of which is arranged on the fabric 10 a and conforms to a lower edge 38 of the hollow profile.
  • the similarly designed - cross-sectionally counter-rotating - other connecting bar 28 is supported in the manner described in the undercut interior 36 of a - that hollow section 34 a cross-sectionally opposite in the same way - tensioning bar 40, which with the adjacent parallel hollow section 34 of the pressure frame 24 by coil springs as an energy store 42 is connected and can therefore be moved against the direction of tension x when pressed onto the tissue 10 a .
  • the screen printing stencil 26 of a smaller format in FIG. 5 is hooked into the frame profile 34 b shown there of the printing frame 24 - and likewise in the clamping beam 40 b of the same design - by means of a hook strip 44 inclined against the fabric surface. 11 shows this in more detail.
  • FIG. 6 shows a screen printing stencil 26 with the parallel connecting strips 28 described in relation to FIG. 4, which are mounted here on the frame profile 34 c on an insert shoulder 46 of an additional strip 47 and on the clamping beam 40 c on a segment shoulder 48 of a clamping shaft 50. These bearings are illustrated in the enlarged representations of FIGS. 8.9.
  • a tension spring 52 presses on a bearing profile 54, which loads a cantilevered nose 56 of the frame profile 34 d or the tension bar 40 d ;
  • a keder bead 58 of the screen printing stencil 26 rests in the keder groove 54 in the rod-like bearing profile 54.
  • the frame profile 34 e of FIG. 10 receives in an oblique slot 60 a leg 29 a inclined upward at an angle w of ⁇ 40 ° of a cross-sectionally approximately angular connecting strip 28 e .
  • This leg 29 a is held by a spring-loaded clamping piece 62 of the frame profile 34 e .
  • FIG. 11 illustrates the mounting of the hook strip 44 mentioned above, which engages behind a groove wall 64 of an oblique groove 66 of the frame profile 34 b which is inclined at an angle t of approximately 120 ° against the surface of the screen printing stencil 26.
  • the coil springs are missing 53; the plastic strip 82a is optionally domed, to compensate for the deflection of the frame or the Relieve plate edges.
  • FIG. 16 illustrates a suction cup 96 on a vacuum bar 98, one of the edges of the screen printing plate 26 seated, elastic film 27 as a guide or Lifting aid sits on.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Screen Printers (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Printing Methods (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Claims (25)

  1. Dispositif d'impression avec une forme d'impression sérigraphique flexible (26) en tissu (10) de matière plastique dans un cadre d'impression (24) dans lequel la forme d'impression sérigraphique (26) est susceptible d'être fixée et tendue en deux zones parallèles se trouvant dans la direction de déplacement d'une racle coulissante (32) ou outil similaire pour déposer des encres d'impression par l'intermédiaire d'éléments de liaison d'une part, sur un côté de cadre (34a, 34b, 34c, 34d, 34e, 34f, 78) du cadre d'impression (24), ainsi que, d'autre part, sur un élément de serrage ou de déplacement (40, 40b, 40c, 40d) déplaçable dans ce cadre d'impression parallèle audit côté de cadre (34a, 34b, 34c, 34d, 34e, 34f, 78), caractérisé en ce que la forme d'impression sérigraphique (26) se compose d'un tissu métallisé en matière plastique (10a), qui est muni d'une couche d'enveloppe métallique (18) et celle-ci est recouverte de son côté d'une couche métallique de revêtement (22) portant une émulsion, le tissu en matière plastique étant muni sur les deux faces du tissu de la couche d'enveloppe métallique et étant ensuite revêtu de façon galvanique, et en ce que les éléments de liaison sont des barrettes de liaison profilées (27, 28, 28e, 28f, 44, 82, 82a, 90) ou des profilés d'appui (54), dont l'un est relié à l'élément de déplacement réalisé pour servir de poutre de serrage (40, 40b, 40c, 40d).
  2. Dispositif d'impression selon la revendication 1, caractérisé en ce que la poutre de serrage (40, 40b, 40c, 40d), à l'intérieur du cadre d'impression (24) est reliée à l'un (34) des côtés de cadre (34) par l'intermédiaire de ressorts précontraints (accumulateurs de force) (42).
  3. Dispositif d'impression selon la revendication 1 ou 2, caractérisé en ce que l'écartement de la poutre de serrage (40, 40b, 40d, 40d) par rapport à son côté de cadre (34) est réalisé réglable par voie pneumatique ou hydraulique en position de serrage.
  4. Dispositif d'impression selon l'une des revendications 1 à 3, caractérisé par une barrette de liaison (28) repliée, à section transversale sensiblement en forme de S, dont les branches d'extrémité en porte-à-faux (29) s'appuient en position de serrage, d'une part sur un bord intérieur (38) du côté de cadre (34a, 34c) ou de la poutre de serrage (40, 40c), ainsi que d'autre part sur un épaulement dans l'espace intérieur (36), en dépouille négative du côté de cadre creux ou de la poutre de serrage creuse.
  5. Dispositif d'impression selon l'une des revendications 1 à 4, caractérisé par une barrette de liaison (28) repliée sensiblement en forme de S, dont les branches d'extrémité en porte-à-faux (29) s'appuient en position de serrage sur une surface d'appui (48) d'un arbre de serrage (50) s'étendant dans l'espace intérieur du côté de cadre creux (34c) ou de la poutre de serrage creuse (40c).
  6. Dispositif d'impression selon l'une des revendications 1 à 3, caractérisé en ce que la barrette de liaison (44) est une barrette d'accrochage inclinée par rapport au plan de la plaque d'impression sérigraphique (26) et qui est réalisée insérable dans une rainure inclinée (66) du côté de cadre (34b) ou de la poutre de serrage (40b).
  7. Dispositif d'impression selon l'une des revendications 1 à 3, caractérisé en ce que la barrette de liaison (28e) comporte une branche en porte-à-faux (29a) pliée sous un angle (w) par rapport au plan de la plaque d'impression sérigraphique et qui est réalisée insérable dans une fente inclinée (60) inclinée sous le même angle du côté de cadre (34e) ou de la poutre de serrage (40).
  8. Dispositif d'impression selon l'une des revendications 1 à 3, caractérisé en ce que la plaque d'impression sérigraphique (26) comporte sur chacun parmi deux bords parallèles un boudin en bourrelet (58), qui est inséré dans un profilé d'appui (54) comme élément de liaison.
  9. Dispositif d'impression selon l'une des revendications 6 à 8, caractérisé en ce que la barrette de liaison (28e, 44) ou le profilé d'appui (54) est maintenu(e) en position de serrage par un ressort précontraint (52) (accumulateur de force), le ressort précontraint (52) faisant partie, le cas échéant, d'une pièce de pincement (62) du côté de cadre (34b, 34d, 34e) ou de la poutre de serrage (40b, 40d).
  10. Dispositif d'impression selon l'une des revendications 1 à 3, caractérisé en ce que la barrette de liaison (28f) est traversée par des broches de repérage ou de serrage (68) du côté de cadre (34f) et est retenue par une branche de pressage (70) sur une surface d'appui (72) du côté de cadre.
  11. Dispositif d'impression selon l'une des revendications 1 à 3, caractérisé en ce que, dans un profilé creux ouvert (78) présentant une rainure inclinée (66), est prévu dans cette rainure un profilé (80) à section transversale variable, en particulier un coussin pneumatique et est associée à ce profilé dans l'ouverture de la rainure au moins une barrette (82, 82a) qui se raccorde à une bande élastique (84), qui est associée, le cas échéant, à la plaque sérigraphique (26).
  12. Dispositif d'impression selon la revendication 11, caractérisé en ce que la barrette (82, 82a), en formant un mors de pincement (86) se trouve placée en face d'une branche (79) la recouvrant, et qui est reliée au profilé creux (78), les organes de précontrainte (accumulateur de force) (53) traversant, le cas échéant, le mors de pincement.
  13. Dispositif d'impression selon la revendication 11 ou 12, caractérisé en ce que, à partir du profilé creux (78), fait saillie un bourrelet élastique (88) ou un bord élastique similaire pour servir de butée à la plaque d'impression sérigraphique (26), et/ou en ce que la nervure (79) et/ou le bourrelet (26) est/sont monté(s) sur une barrette latérale (76) du profilé creux (78).
  14. Dispositif d'impression selon l'une des revendications 11 à 13, caractérisé en ce que la bande élastique (84) est associée rigidement à la barrette (82, 82a) et dans un état de fixation rigide de la plaque d'impression sérigraphique (26), coopère en pincement avec une zone de bord de la plaque d'impression sérigraphique, la zone de bord étant, le cas échéant, située en face d'une zone d'impression de la plaque d'impression sérigraphique sans renforcements ou moyens de liaison similaires.
  15. Dispositif d'impression selon l'une des revendications 1 à 3, caractérisé en ce que, dans un profilé creux ouvert (78) présentant une rainure inclinée (66), est prévu dans cette rainure un profilé (80) à section transversale variable, en particulier un coussin pneumatique, et sont associées au profilé faisant face à l'ouverture de rainure, des broches de repérage (68a) ainsi qu'une bande magnétique (94) pour recevoir une tôle magnétique (90) pliée et se trouvant dans la zone de bord du pochoir (26).
  16. Forme d'impression sérigraphique avec un tissu (10) d'impression sérigraphique composé de fils (12, 14) de matière plastique se croisant et servant de support à un revêtement en une émulsion pour un dispositif d'impression selon au moins l'une des revendications 1 à 15, caractérisée en ce que les fils en matière plastique (12, 14) sont revêtus d'une couche d'enveloppe (18) métallisée sous vide, par projection de plasma ou pulvérisation en au moins un matériau métallique, qui de son côté est recouvert d'un revêtement métallique (22) portant l'émulsion et obtenu par galvanisation.
  17. Forme d'impression sérigraphique selon la revendication 16, caractérisée en ce que le matériau métallique est pulvérisé, métallisé sous vide, ou projeté sur le tissu (10) de sérigraphie, des deux côtés de ce tissu et, le cas échéant, plusieurs fois.
  18. Forme d'impression sérigraphique selon la revendication 16 ou 17, caractérisée en ce que la couche d'enveloppe (18) contient de l'or, de l'argent, du nickel ou du cuivre sous la forme la plus pure possible.
  19. Forme d'impression sérigraphique selon la revendication 16 ou 17, caractérisée en ce que la couche d'enveloppe (18) contient de l'or, de l'argent, du nickel, du cuivre, de l'acier et/ou un métal léger, en particulier de l'aluminium, comme constituant(s) d'alliage.
  20. Forme d'impression sérigraphique selon l'une des revendications 16 à 19, caractérisée par une épaisseur de couche (b) de la couche d'enveloppe (18) entre 5 et plus de 200 nanomètres, en particulier entre environ 50 et 200 nanomètres et/ou par une résistance surfacique de la couche d'enveloppe (18) d'environ 0,2 Ohm/2 jusqu'à plus de 200 Ohm/2.
  21. Forme d'impression sérigraphique selon l'une des revendications 16 à 20, caractérisée en ce que le revêtement métallique créé galvaniquement (22) de la couche d'enveloppe (18) présente une épaisseur de couche (e) d'environ 2 µm jusqu'à plus de 20 µm.
  22. Forme d'impression sérigraphique selon la revendication 16 ou 21, caractérisée en ce que le revêtement métallique (22) contient du nickel, avantageusement se compose de nickel.
  23. Forme d'impression sérigraphique selon l'une des revendications 16 à 22, caractérisée en ce que l'émulsion formant une enduction sur le revêtement métallique (22) est recouverte par une feuille de protection.
  24. Forme d'impression sérigraphique selon au moins l'une des revendications 16 à 23, caractérisée en ce qu'à partir du tissu métallisé en matière plastique (10a), des plaques d'impression sérigraphique (26) sont découpées à une dimension de format prédéterminée.
  25. Forme d'impression sérigraphique selon la revendication 24, caractérisée en ce que la plaque d'impression sérigraphique (26) est munie sur deux bords opposés d'élément de liaison (28, 28e, 28f) pour la fixation sur un cadre d'impression (24) et/ou en ce que l'élément de liaison pour un bord de la plaque d'impression sérigraphique (26) est une barrette de liaison profilée (28, 28e, 28f).
EP97909245A 1996-09-13 1997-09-10 Dispositif d'impression avec une forme serigraphique souple dans un cadre d'impression et forme serigraphique correspondante Expired - Lifetime EP0925195B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19637272 1996-09-13
DE19637272 1996-09-13
PCT/EP1997/004953 WO1998010941A1 (fr) 1996-09-13 1997-09-10 Forme de serigraphie et dispositif pour le montage d'une forme de serigraphie souple

Publications (2)

Publication Number Publication Date
EP0925195A1 EP0925195A1 (fr) 1999-06-30
EP0925195B1 true EP0925195B1 (fr) 2001-07-25

Family

ID=7805498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97909245A Expired - Lifetime EP0925195B1 (fr) 1996-09-13 1997-09-10 Dispositif d'impression avec une forme serigraphique souple dans un cadre d'impression et forme serigraphique correspondante

Country Status (16)

Country Link
US (1) US6258445B1 (fr)
EP (1) EP0925195B1 (fr)
JP (1) JP2001500077A (fr)
KR (1) KR20000036101A (fr)
CN (1) CN1230147A (fr)
AT (1) ATE203462T1 (fr)
AU (1) AU4702097A (fr)
BR (1) BR9711793A (fr)
CA (1) CA2265683A1 (fr)
CZ (1) CZ75399A3 (fr)
DE (3) DE19738873A1 (fr)
ES (1) ES2162673T3 (fr)
ID (1) ID19179A (fr)
PT (1) PT925195E (fr)
TW (1) TW494063B (fr)
WO (1) WO1998010941A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1588849A1 (fr) 2004-04-21 2005-10-26 Kissel & Wolf GmbH Procédé pour fixer un élément en textile sur un support et dispositif pour réaliser ce procédé

Families Citing this family (12)

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Publication number Priority date Publication date Assignee Title
US7514030B2 (en) * 2002-12-30 2009-04-07 Albany International Corp. Fabric characteristics by flat calendering
US20060222828A1 (en) * 2005-04-01 2006-10-05 John Boyle & Company, Inc. Recyclable display media
GB2435011B (en) * 2006-02-08 2010-06-02 Dek Int Gmbh Printing screens, frames therefor and printing screen units
DE102007010936A1 (de) 2007-03-07 2008-09-11 Biotronik Crm Patent Ag Siebdruckvorrichtung und Verfahren zur Herstellung derselben
FR2977189B1 (fr) * 2011-07-01 2014-11-28 Commissariat Energie Atomique Systeme d'impression serigraphique pour cellule photovoltaique
TWI532537B (zh) * 2011-08-10 2016-05-11 太陽誘電化學技術股份有限公司 包含底質薄膜之印刷用構造體、印刷用孔版及該印刷用構造體之製造方法
TW201313489A (zh) * 2011-09-16 2013-04-01 Askey Technology Jiangsu Ltd 佈錫於印刷電路板用的網板
KR20170048375A (ko) * 2014-08-01 2017-05-08 코닝 인코포레이티드 스크린 프린팅 장치 및 방법
US9573357B2 (en) 2014-12-12 2017-02-21 Patricia G. Bordeaux One-piece foam frame for mounting screen and/or screen stencil film to create screens for manual and small off-contact printing substrates
CN106739448A (zh) * 2017-01-22 2017-05-31 赫日光电（苏州）有限公司 一种无网结网版
DE102018004023A1 (de) * 2017-05-17 2018-11-22 AGC Inc. Verfahren zur herstellung eines mit einer gedruckten schicht versehenen basiselements und mit gedruckter schicht versehenes basiselement
EP3482934B1 (fr) * 2017-11-10 2021-06-30 Exentis Group AG Système de sérigraphie 3d permettant d'imprimer des structures tridimensionnelles

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CA953973A (en) 1971-10-27 1974-09-03 Robert L. Morrison Screen printing plates
DE2936135A1 (de) 1979-09-07 1981-03-19 Elmar Dr. 8000 München Messerschmitt Siebdruckrahmen mit wechselgeweberahmen
JPS60262689A (ja) 1984-06-12 1985-12-26 Sono Kogyo Kk 改良スクリ−ン版
JPH0736748Y2 (ja) 1989-05-29 1995-08-23 大日本スクリーン製造株式会社 スクリーン印刷版
NL9200495A (nl) 1992-03-17 1993-06-01 Stork X Cel Bv Dessineerraam.
NL9302238A (nl) 1993-12-22 1995-07-17 Stork Screens Bv Metallisch zeefmateriaal met draad- of vezelstruktuur en werkwijze voor de vervaardiging van een dergelijk materiaal.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1588849A1 (fr) 2004-04-21 2005-10-26 Kissel & Wolf GmbH Procédé pour fixer un élément en textile sur un support et dispositif pour réaliser ce procédé

Also Published As

Publication number Publication date
JP2001500077A (ja) 2001-01-09
BR9711793A (pt) 1999-08-24
KR20000036101A (ko) 2000-06-26
ATE203462T1 (de) 2001-08-15
CN1230147A (zh) 1999-09-29
ID19179A (id) 1998-06-28
DE19738879A1 (de) 1998-04-30
US6258445B1 (en) 2001-07-10
ES2162673T3 (es) 2002-01-01
PT925195E (pt) 2002-01-30
TW494063B (en) 2002-07-11
CA2265683A1 (fr) 1998-03-19
CZ75399A3 (cs) 1999-07-14
DE19738873A1 (de) 1998-04-16
EP0925195A1 (fr) 1999-06-30
WO1998010941A1 (fr) 1998-03-19
DE59704140D1 (de) 2001-08-30
AU4702097A (en) 1998-04-02

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