EP0311745A1 - Dispositif d'enduction - Google Patents
Dispositif d'enduction Download PDFInfo
- Publication number
- EP0311745A1 EP0311745A1 EP88107938A EP88107938A EP0311745A1 EP 0311745 A1 EP0311745 A1 EP 0311745A1 EP 88107938 A EP88107938 A EP 88107938A EP 88107938 A EP88107938 A EP 88107938A EP 0311745 A1 EP0311745 A1 EP 0311745A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- segments
- segment
- pressing
- application
- doctor blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011248 coating agent Substances 0.000 title claims description 12
- 238000000576 coating method Methods 0.000 title claims description 12
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 115
- 239000000758 substrate Substances 0.000 claims description 61
- 239000000126 substance Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000004922 lacquer Substances 0.000 claims description 2
- 239000006072 paste Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000011218 segmentation Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000013517 stratification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
- B41F15/42—Inking units comprising squeegees or doctors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/10—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the liquid or other fluent material being supplied from inside the roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
- B05C11/025—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
- B05C11/042—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades allowing local positioning, loading or deforming along the blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/044—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for holding the blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/045—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by the blades themselves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0831—Machines for printing webs
- B41F15/0836—Machines for printing webs by means of cylindrical screens or screens in the form of endless belts
- B41F15/084—Machines for printing webs by means of cylindrical screens or screens in the form of endless belts simultaneously printing on two sides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
- B41F15/42—Inking units comprising squeegees or doctors
- B41F15/426—Inking units comprising squeegees or doctors the squeegees or doctors being magnetically attracted
Definitions
- the invention relates to a device for applying application material, such as possibly foamable substances of different viscosities, coating materials, lacquers, adhesives, pastes or the like. onto a substrate such as a web of material with at least one pressing part which is continuous in the length of the device (application width) and is intended for engaging in a substrate path and with a pressing device which is provided for actuating the pressing part.
- application material such as possibly foamable substances of different viscosities, coating materials, lacquers, adhesives, pastes or the like.
- a substrate such as a web of material with at least one pressing part which is continuous in the length of the device (application width) and is intended for engaging in a substrate path and with a pressing device which is provided for actuating the pressing part.
- Such an application device is used in machines for flat stencil printing, circular stencil applications and / or devices for stencilless full-area applications, the application width or the extent of the pressing part being able to be several meters.
- the squeegee must be made of magnetizable material, or it must be connected to an elongated magnetizable ground strip.
- the bending or curvature of such (squeegee) strips as a result of inherent rigidity is not only relatively great in use, but already during manufacture.
- Rolled or drawn steel profiles are subject to strong tensile forces that are released by machining and / or stress and lead to a considerable curvature of the profile, which is unsuitable for a linear doctor blade pressure over several meters.
- the invention has for its object to provide an application device of relatively simple construction, with the largely independent of the size of the selected contact force over large application widths of several meters and for a wide variety of uniform applications, especially for the very viscous substances to a large extent bending and tension-free contact of the pressing element with respect to the substrate is achieved even with relatively small pressing forces.
- the length of the application device is divided into segments forming the pressing device, which are arranged in a link-like manner, and in that the pressing part over its length is attached to at least one on the side of the substrate path lying segment is arranged and designed to be flexible, wherein the pressing part can be acted upon by weight and / or magnetic force of all segments.
- the invention is characterized in particular by the fact that, while avoiding the inherent rigidity of conventional elements extending over several meters, a pressing device can be implemented which has the desired, in particular also with a very large, effective mass for the pressing force or with a correspondingly large cross section the application width shows no disadvantageous deformation.
- the segment-like structure of the pressing device ensures a limp characteristic over the entire application width, ie in the longitudinal direction of the device, with which in particular also in the case of relatively large ones Masses or cross sections an excellent adaptation and conformability of the segmented pressing device is achieved with the pressing part arranged on it and acted upon by it on the contact or support carrying or guiding the substrate.
- the mass or cross section of the pressing part is relatively small in relation to the corresponding dimensions of the pressing device.
- the contact part is made of flexible material which, even when subjected to relatively small contact forces, nestles against the substrate base / system.
- a particular and very important advantage is that the pressing part in the form of a bar with a low cross-section, a coating blade or a thin coating rod with any desired coating profile can be produced without tension and is arranged on the pressing device.
- the contact part is interchangeable and / or after a contact / squeegee edge has worn, it can be machined tension-free, for example by a suitable regrinding.
- Suitable pressure / doctor profiles are not only those made of flexible, flexible metallic material, but also, for example, those made of plastic, glass, ceramic material or a material component of such materials.
- a wide / cross-flexible application device is achieved in the length of the device, which ensures extremely satisfactory application results for a large range of contact forces and in particular for already relatively small contact forces, even for large application widths.
- the application device in combination of the parts comprising it, has an extremely adaptable or, in the desired manner, material-elastic characteristic over the working width, its bending resistance being relatively low in comparison to the contact forces. Ie that cross sections of the pressing part and pressing device, the total Elastic modulus in the longitudinal direction and the working width are coordinated particularly favorably. This eliminates the intrinsic rigidity of the elements.
- the invention is of particular importance when the segments are designed in the form of magnetizable parts or in the form of permanent and / or electric magnets which can be detected by means of magnetic force from a magnetic or magnetizable counter body arranged on the substrate path. Due to the design of the application device according to the invention, the dependencies of the contact pressure on a possibly magnetisable mass of the squeegee, on material stiffness and / or on the distance between magnetic force-generating and magnetisable device parts are eliminated in comparison to conventional squeegee devices, so that an extremely energy-saving method of operation also takes place . The segmentation also ensures that magnetic devices can be used in devices with relatively large application widths and for a wide variety of applications using all the advantages of magnetic pressure.
- a special embodiment of the invention consists in that the segments are arranged one above the other or layered in the direction transverse to the application width and that at least one pressing part is arranged on the segment lying to the side of the substrate path.
- the segments are designed, in particular, as thin, resiliently flexible rods lying one on top of the other in the longitudinal direction of the device, the number of which is provided according to the maximum desired contact pressure. Because of the wide, lamellar rod stratification, the pressing device has the desired bending slackness or elasticity in the longitudinal direction.
- each segment forms a relatively short unit, by means of which the bending-elastic contact part is subjected to contact pressure. It is particularly advantageous to hold each segment in a bearing in which it is at least slightly movable transversely to the substrate path and possibly also along the substrate path.
- Such storage is designed in a very simple manner by means of a swivel bearing and / or a clearance fit for the segment, the swivel bearing or clearance fit being arranged both on the pressing part and on a holder for the pressing part which can be pivotably articulated can.
- the segmentation in the longitudinal direction of the device consists in that the segments are provided along an integrally formed profile strip, the profile strip being provided with notches or slots in a comb-like manner.
- the notch or slot-free web profile carrying the segments forms on the side of the pressing device facing the substrate path a relatively thin rod-like or plate-like flexurally elastic part which extends over the application width.
- a flexurally elastic pressing part can rest against this, or the latter can also be at least partially firmly connected to the web.
- a still further embodiment consists of designing the web profile itself as a flexurally elastic pressing or doctor part over the application width.
- each segment body is arranged to be movable with respect to the latter, with loose support or contact on or to a coating profile designed as a pressing part.
- the segments are held against the coating profile with a pivot bearing arranged on the coating profile or on a coating profile holder and / or with a clearance fit rattle bearing.
- a strip which is flexible over the application width can expediently be arranged, which together with the pressing part forms a combination component which is elastic and conformable over the longitudinal direction of the device.
- a pressing part that is flexible and flexible over the application width in the form of e.g. a blade and round profile doctor blade can be very easily connected to a pre or metering doctor blade, which is also flexible over the application width, whereby doctor blade and pre / metering doctor blade can be provided in one piece or in two parts.
- this or a flexible intermediate strip and / or a flexible pre-metering doctor blade strip can be very easily connected to the respective segments by means of a clamp, tongue / groove, plug or screw connection be.
- the pressing device according to the invention which is built with segments, is universal in machines for the various most types of application or can be used for different printing press types.
- the pressing device is particularly well suited not only for machines with horizontal, but also for those with downward and / or upward guided substrate webs in a version with magnetic pressure. It can be used to carry out stencil-free applications and stencil applications as required.
- Also particularly advantageous is the combination of two pressing devices according to the invention in one application device for application on both sides of a substrate web, the application process being able to be carried out by doctoring or wiping with a doctor.
- a particularly expedient application device is characterized in that the pressing device comprises segments lined up in the longitudinal direction (application width), these being designed as independent, relatively short-length bodies of a magnetic bar and each being pivotally mounted.
- the application device further comprises a magnetizable contact or support, such as a steel table or a steel roller, against which the segmented magnetic bar forming the pressing device can be moved element by element, so that the pressing part or the pressing parts can be brought into contact with it.
- a special embodiment consists in providing in the direction of extension of the segment magnetic bar a recess formed by pressing parts which extend in parallel and which forms a gap for an air knife which engages therein and is arranged on the magnetizable counter body.
- Application devices according to the invention with the same, constructed in mirror image of the substrate path and made of Pressing devices formed result in very simple-build, double-sided application devices.
- Each pressing device 2 is designed with segments 20 and can be arranged on a substrate path 62, in which a substrate, such as a web 63 to be printed, lies or is guided, possibly using a printing blanket.
- a substrate such as a web 63 to be printed
- the pressing part 3 which is designed in the form of a flexible (flexible-elastic) squeegee extending over the application width 61, is provided to one between itself and the substrate web Form doctor blade or application gap.
- a template for example a circular template 66, as indicated in FIGS.
- the exemplary embodiments relate to application devices 1 with pressing devices 2, which press the respective pressing part 3 (doctor blade) under the action of magnetic force against the respective substrate 63 or against a counter body 5 guiding it. It is readily apparent that, for example, in application devices 1 with horizontally guided substrate webs and with pressing devices 2 arranged above them, the segments 20 can be designed as mass elements which can be attracted by gravity.
- a device 1 according to FIG. 1 comprises a multi-part pressing device 2 which is divided over the application width 61 into one-piece bodies 21 to 24 forming segments 20. Gap spaces or surfaces 204 lie between adjacent segment bodies (e.g. 21, 22).
- a doctor blade 32 forming the pressing part 3 is designed in the form of a thin, flexible rod and extends continuously over the application width 61 of the device. The doctor blade 32 is used as a spring element in grooves 38 on the sides of the segment bodies 21 to 24 facing the substrate path 62.
- Segment bodies 21 to 24 in Fig. 2 consist of magnetizable material, so that they can be magnetically attracted to this by means of a magnetic bar 5. It can be seen that the volume, the effective magnetic mass or the cross section of each individual body determines the maximum size of the magnetic attraction. Although the magnetic mass can be relatively large over the application width 61, the pressing device 2 is designed to be flexible due to its limb-like structuring and conformable in its length. - The volume or the cross section of the doctor blades 32 have only a fraction of the corresponding Sizes of the segment bodies 21 to 24. It is thereby achieved that the application device 1 consisting of the pressing device 2 and the doctor blade 32 is designed to be flexible and conformable over the application width 61.
- the pressing part 3 can have the most varied doctor blade profiles, and it can be produced as a rod-shaped thin part relatively easily and without tension. Such profiles are also very easy to grind or re-grind.
- segments 21 to 24 arranged next to one another over the application width are formed as parts of a one-piece profile strip 201.
- the segments 21 to 24 are formed by comb-like incisions, recesses or slots 202, wherein they are held in one piece on a web profile 203.
- the cross section of the web profile 203 is small in relation to the cross sections of the segments 21 to 24.
- the profile strip 201 consists at least partially of magnetizable material, so that it can be magnetically detected by a magnetic bar 51 extending in the application width.
- a profile strip 201 having segments 20 is formed with a flexible web 203, on which a flexible circular doctor blade 31 is arranged, for example by means of a plug connection.
- the pressing part 3 which e.g. can be profiled in a round or wedge shape with formation of a doctor blade edge, can be connected to the individual segments 20 by means of screw or plug connection 371 or 372.
- screw or plug connection 371 or 372 Such arrangements of the pressing part 3 are shown by way of example in FIGS. 3 and 4.
- the application device 1 comprises a holder in which the pressing device 2 comprising the segments 20 is held movable in the direction perpendicular to a counter body 5. It is particularly expedient to suspend the segments 21 to 24 in an oscillating manner, or to provide a pivot linkage by means of a pivot arm 42 which is fixedly arranged on a segment 20, as shown in FIG. 4.
- a special design of the pressing device 2 according to the invention consists in that segments 25 to 28 forming a pressing device 2 are arranged one above the other in the direction transverse to the application width 61.
- the segments 25 to 28 forming the stratification consist of relatively thin strips which are flexible in the longitudinal direction of the device. They can be connected to one another at the end by chain elements such as pins.
- a pressing part 3 in the form of a circular doctor blade 32 is arranged on the segment 25 lying to the side of the substrate path 62, it being held at least at the end by means of a plug connection.
- the segments 25 to 28 lying along their length can be moved in a cage-like frame 29 transversely to the substrate web 63 or to a magnetic bar 51 forming the counter system 5 held.
- a swivel arm 290 is provided on the frame 29 in the center of the application width.
- the pressing device 2 with the squeegee 3 can be tilted out of a longitudinal position parallel to the substrate web 63, so that adaptation to possibly slightly inclined webs over the application width is very easy to accomplish.
- a blind-like arrangement and suspension of segments 25 to 28 can also be provided.
- each segment 20 is held so that it can be pivoted about an axis parallel to the longitudinal axis of the device 1 by means of a swivel arm 41 arranged on the swivel arm 42.
- the pivot bearing 41 is arranged on a holding part 40 for the doctor blade 32.
- the holding part 40 is articulated on a holder 4 of the device via a swivel holder in the form of a hinge bearing 46. In this way it is achieved that the angle of attack of the doctor blade 32 relative to the web 63 can be changed due to the height adjustment of the holder 4. This is accomplished by means of a swivel bearing 11 of the application device 1 which hinges the holder 4.
- each pivot bearing 41 of a segment 20 directly on the holder 4, as shown in dashed lines in FIG. 7.
- the swivel arm 42 can be connected to the segment 20 by means of a clearance fit 47.
- pivot bearing 41 according to FIG. 7 can be replaced by a pin bearing 43, with which the segment 20 is movably held against an axial head 48 in the play or rattle seat via a pin 44 connected to it.
- FIG. 9 shows a further mounting of pressure elements 20 independently of the mounting of a sheet doctor blade 32.
- the doctor blade 32 is held elastically on the holder 4, which is provided in the area of the doctor blade with a clearance 45 which is arranged on the side facing away from the substrate path 62.
- the clearance fit 45 holds each segment 20 transversely and freely abuts the squeegee 32.
- FIG. 10 shows an exemplary embodiment of the invention for a pressing device 2, which is divided over the application width 61 into segments 21 to 24 forming electromagnets.
- the pressing device 2 is thus designed as a magnetic bar segmented over the application width 61.
- a circular doctor blade 31 is arranged, for example by means of a continuous flexible profile 33, which can also be provided as a freely movable roller doctor blade in the receptacle of the profile.
- the segmented magnetic bar pressing device 2 extends along a roller 52 which forms the application counter-system 5 and is made of magnetizable material. It can be seen that the pressing device with the piece-shaped magnetic bodies arranged in series can be retrofitted in a technically and economically very advantageous manner in existing systems comprising steel rollers, for example in paper or cardboard production, for finishing such substrates.
- a segmented magnetic bar pressing device is in no way limited to horizontally guided substrates 63.
- pivotably suspended or held magnetic bar pieces can be arranged as segments 20 according to FIG. 11 with individual transverse mobility against a substrate web 62 guided vertically on a roller 52.
- the radius of the roller 52 is provided so large that the roller has a doctor blade function with a pointed-wedge-shaped substance space 64 against the substrate web 63.
- the substrate web 63 can therefore also be coated on both sides.
- a circular or roller doctor blade 3 is arranged in a recess in a pressure-elastic strip 392 arranged on the segments 20.
- a blade or round profile of a pressing part 3 can be easily combined with a groove 38 extending over the application width by means of a groove 38 arranged on the side of the substrate path 62 on segments 20 or on their connecting web 203 flexible bar 39 can be arranged by clamping connection.
- a doctor blade 32 is formed in one piece with a pre-doctor or metering profile 34, which extends elastically over the application width, to form a substance storage space 64.
- FIG. 13 shows a circular doctor blade 31 arranged by means of tongue and groove clamping on a groove 38, a flexible wall part of the groove 38 being designed as a pre-doctoring / metering profile 34 which extends over the application width.
- the counter abutment bodies 5 of the application device 1 are provided as magnetic bars 51 which extend over the application width.
- the segments 20 of the pressing device 2 can be designed as magnetizable bodies or as permanent or electric magnets, the latter being arranged with opposite poles relative to the magnetic bar 51. 12 and 13 work against vertically guided substrate webs 63.
- FIG. 14 shows an application device 1 with a pressing device 2 arranged on each side of a substrate path 62 for applying substance 67 to a substrate web 63 on both sides.
- the pressing devices 2 are arranged and formed symmetrically with respect to the substrate path 62 or with the substrate web 63.
- Press-on parts 3 designed as sheet-shaped doctor blades 32 form a pointed-wedge-shaped substance space through which the substrate web 63 is guided in the center.
- the doctor blades 32 can be moved in the direction of the substrate web 63 by means of the mutually arranged pressing devices 2 loosely abutting them, the pressing devices 2 being each slidably mounted in a holding part 40 having a clearance fit 45.
- the storage corresponds to that of the exemplary embodiment according to FIG. 9.
- Each pressing device 2 comprises a row of segments 20 arranged over the application width, which are each provided as permanent magnets.
- the magnetic The polarity of mutually opposite permanent magnet segments on the substrate path 62 is provided such that they magnetically attract one another.
- electromagnet segments are arranged instead of permanent magnet segments.
- a pair of mutually attracting segments 20 can comprise a magnet on one side of the substrate path 62 and a body made of magnetizable, magnetically attractable material on the other side.
- the squeegee holders 4 are arranged independently and separately from the holding parts 40 for the segments 20.
- An application device 1 according to FIG. 15, like the device described with reference to FIG. 14, comprises two pressing devices 2 arranged alternately on a substrate path 62, each with segments 20, which lie loosely on sheet doctor blades 32 and form magnetic segment-pressing pairs.
- doctor blade 32 and clearance fit 45 are each provided on a common holder 4, which can be pivoted about an axis parallel to the longitudinal direction of the device 1 by means of a bearing 11.
- the segmented pressing device 2 with doctor blade 3 and holder 4 can each be arranged within a circular template 66.
- a pressing device 2 with electromagnet segments 20 arranged alongside one another along the width of the application, each of which is articulated by an arm 42 or a pivot bearing 41.
- a pressing device 2 according to the invention is also provided, which comprises segments 20 arranged next to one another over the application width, each of which is made of magnetizable Material or consist of a permanent magnet.
- Each of these segments 20 can be held, for example, by means of an arm 42 in the direction 65 of the substrate path 62 and / or movable transversely thereto.
- the application device 1 comprises an air knife arrangement provided on the substrate path 62.
- two continuous flexible pressure parts 36 are arranged on one, namely the segmented electromagnet pressing device 2, which leave a recess 35 between them.
- An air knife 30 with a pointed or round working edge engages in this.
- the air knife 30 is arranged as a flexurally elastic pressing part 3 extending over the application width on the other segmented pressing device 2.
- one of the two pressing devices 2 can also be replaced by a magnetizable counter body 5, which then has a doctor blade recess or doctor blade designed in accordance with FIG. 16.
- an application device 1 comprises a pressing device 2, optionally arranged in a circular template 66, with segments 20 arranged next to one another in the application width. As in the exemplary embodiment according to FIG. 9, these are held and lie in a clearance fit 45 in the direction of the substrate path 62 loosely on a sheet-doctor blade 32 forming the pressing part 3. These and the clearance fit 45 are arranged on a common holder 4 which is held so as to be pivotable about an axis parallel to the longitudinal direction of the device 1 by means of a holder 11.
- a pressure surface of a counter body 5 is provided which extends across the application width and against which the doctor blade 32 acts between the counter body 5 under the action of magnetic force and the segments 20 operates.
- the segments 20 are each designed as permanent magnets, while the counter body consists of magnetizable material. This can optionally be articulated via a holder 53 in the direction of the substrate path 62 and / or movable transversely thereto.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Formation And Processing Of Food Products (AREA)
- Surgical Instruments (AREA)
- Massaging Devices (AREA)
- Confectionery (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Glass Compositions (AREA)
- Polarising Elements (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Physical Vapour Deposition (AREA)
- Materials For Medical Uses (AREA)
- Sampling And Sample Adjustment (AREA)
- Paper (AREA)
- Telephone Function (AREA)
- Seal Device For Vehicle (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Screen Printers (AREA)
- Power Steering Mechanism (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Pinball Game Machines (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88107938T ATE85904T1 (de) | 1987-10-10 | 1988-05-18 | Auftragungsvorrichtung. |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8713789U DE8713789U1 (de) | 1987-10-10 | 1987-10-10 | Rakelvorrichtung |
DE19873734747 DE3734747A1 (de) | 1987-10-10 | 1987-10-10 | Rakelvorrichtung |
EP87730126 | 1987-10-10 | ||
DE8713788U | 1987-10-10 | ||
EP87730128A EP0311730B1 (fr) | 1987-10-10 | 1987-10-10 | Dispositif de raclage |
DE8713789U | 1987-10-10 | ||
DE3734747 | 1987-10-10 | ||
DE8713788U DE8713788U1 (de) | 1987-10-10 | 1987-10-10 | Rakelvorrichtung |
EP87730126A EP0311728B1 (fr) | 1987-10-10 | 1987-10-10 | Dispositif de raclage |
EP87730128 | 1987-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0311745A1 true EP0311745A1 (fr) | 1989-04-19 |
EP0311745B1 EP0311745B1 (fr) | 1993-02-24 |
Family
ID=27511111
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88107937A Expired - Lifetime EP0311744B1 (fr) | 1987-10-10 | 1988-05-18 | Dispositif d'enduction |
EP88107938A Expired - Lifetime EP0311745B1 (fr) | 1987-10-10 | 1988-05-18 | Dispositif d'enduction |
EP88107936A Expired - Lifetime EP0311743B1 (fr) | 1987-10-10 | 1988-05-18 | Dispositif de raclage |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88107937A Expired - Lifetime EP0311744B1 (fr) | 1987-10-10 | 1988-05-18 | Dispositif d'enduction |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88107936A Expired - Lifetime EP0311743B1 (fr) | 1987-10-10 | 1988-05-18 | Dispositif de raclage |
Country Status (10)
Country | Link |
---|---|
US (6) | US4993352A (fr) |
EP (3) | EP0311744B1 (fr) |
JP (4) | JPH02502797A (fr) |
AT (3) | ATE85904T1 (fr) |
AU (4) | AU1722188A (fr) |
BR (4) | BR8807240A (fr) |
DE (3) | DE3874274D1 (fr) |
ES (3) | ES2035150T3 (fr) |
HU (4) | HU209375B (fr) |
WO (4) | WO1989003256A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1991000779A1 (fr) * | 1989-07-06 | 1991-01-24 | Johannes Zimmer | Appareil a racle pour l'application ou l'application et l'enlevement a la racle ou pour l'application dosee de substances coulantes ou enductibles |
EP0504501A1 (fr) * | 1991-03-21 | 1992-09-23 | Johannes Zimmer | Dispositif à racle |
EP0505020A1 (fr) * | 1991-03-21 | 1992-09-23 | Johannes Zimmer | Dispositif de raclage |
GB2259262A (en) * | 1991-09-03 | 1993-03-10 | Univ Hull | Blade control system |
DE19743210B4 (de) * | 1996-09-30 | 2006-01-19 | Kyocera Corp. | Rakelklinge |
CN105864605A (zh) * | 2016-05-18 | 2016-08-17 | 合肥惠科金扬科技有限公司 | 显示设备壁挂转接件的安装结构及显示设备 |
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EP0408704B2 (fr) * | 1989-01-09 | 1998-07-15 | Johannes Zimmer | Installation d'application de substances sur une bande de materiau |
US5302202A (en) * | 1989-06-13 | 1994-04-12 | Johannes Zimmer | Process and device for applying a coating or substance e.g. adhesive for washing and/or drying an endless conveyor belt or the like |
DE4008435A1 (de) * | 1989-06-22 | 1991-01-03 | Voith Gmbh J M | Streicheinrichtung |
US5138970A (en) * | 1989-06-22 | 1992-08-18 | J.M. Voith Gmbh | Device for coating web material |
AT392745B (de) * | 1989-08-16 | 1991-05-27 | Zimmer Johannes | Einrichtung und verfahren fuer bemusternde und/oder vollflaechige auftragungsprozesse auf kurze und beliebig lange warenbahnen |
DE8911670U1 (de) * | 1989-09-30 | 1990-03-29 | Messerschmitt, Elmar, Dr., 8000 München | Beschichtungsmaschine für Siebdruckgewebe |
JPH0361959U (fr) * | 1989-10-24 | 1991-06-18 | ||
US5224995A (en) * | 1989-10-24 | 1993-07-06 | Pioneer Electronic Corporation | Apparatus for applying a coating to a surface of a substrate |
US5531020A (en) * | 1989-11-14 | 1996-07-02 | Poly Flex Circuits, Inc. | Method of making subsurface electronic circuits |
DE8915237U1 (de) * | 1989-12-22 | 1991-05-02 | Zimmer, Johannes, Klagenfurt, Kärnten | Rakeleinrichtung, insbesondere für Flachschablonendruck |
BR9103971A (pt) * | 1990-01-17 | 1992-05-19 | Johannes Zimmer | Nivelador e dispositivo nivelador magneticamente comprimidos,especialmente com molde redondo(clindro peneirador) |
US5357857A (en) * | 1990-01-17 | 1994-10-25 | Johannes Zimmer | Magnetically pressed doctor blade for cylindrical-screen stencil |
JP2926502B2 (ja) * | 1990-02-20 | 1999-07-28 | 理想科学工業株式会社 | 孔版印刷装置 |
AT401894B (de) * | 1991-03-21 | 1996-12-27 | Johannes Zimmer | Rakelvorrichtung |
DE9112033U1 (de) * | 1991-09-23 | 1993-01-28 | Zimmer, Johannes, Klagenfurt, Kärnten | Rakeleinrichtung |
DE4204440C2 (de) * | 1992-02-14 | 1997-08-14 | Agfa Gevaert Ag | Vorrichtung zum Entfernen von Behandlungsflüssigkeit von der Rückseite eines fotografischen, bandförmigen Schichtträgers |
US5184556A (en) * | 1992-02-18 | 1993-02-09 | Paper Converting Machine Company | Printing apparatus and method |
DE4302373A1 (de) * | 1993-01-28 | 1994-08-04 | Voith Gmbh J M | Streicheinrichtung für laufende Bahnen aus Papier oder Karton |
US5681387A (en) * | 1993-04-30 | 1997-10-28 | Jabil Circuit Company | Segmented squeegee blade |
DE4322414C1 (de) * | 1993-07-06 | 1994-08-25 | Sollich Gmbh & Co Kg | Vorrichtung zum Entfernen von Überzugsmasse im hinteren Bodenbereich von Warenstücken |
JPH0717545U (ja) * | 1993-08-27 | 1995-03-28 | 南工学株式会社 | スクリーン印刷機におけるスクィージー装置 |
US5480486A (en) * | 1993-12-21 | 1996-01-02 | Beloit Technologies, Inc. | Continuous adjustable backing bar for profiling coater blade |
US5465681A (en) * | 1994-03-02 | 1995-11-14 | Eastman Kodak Company | Coating roll drive |
DE19532388C1 (de) * | 1995-09-01 | 1996-12-19 | Voith Sulzer Papiermasch Gmbh | Vorrichtung zum Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton |
EP0821102B1 (fr) * | 1996-07-08 | 2002-03-27 | Voith Paper Patent GmbH | Dispositif pour l'application directe d'une substance fluide ou pâteuse sur une bande en mouvement, particulièrement de papier ou carton |
DE19702433C1 (de) * | 1997-01-24 | 1998-10-01 | Hennecke Gmbh | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Polyurethan-Blockschaum |
DE29716541U1 (de) * | 1997-09-11 | 1999-01-14 | Zimmer, Johannes, Klagenfurt | Vorrichtung zum Auftragen von Flüssigkeiten auf ein Substrat |
US6019846A (en) * | 1997-12-16 | 2000-02-01 | Voith Sulzer Paper Technology North America, Inc. | Coater rod bed |
NL1011992C2 (nl) * | 1999-05-07 | 2000-11-09 | Stork Brabant Bv | Rakelinrichting. |
ATE294066T1 (de) * | 2000-01-25 | 2005-05-15 | Koenig & Bauer Ag | Bogendruckmaschine mit siebdruckzylindern |
US8353857B2 (en) * | 2003-06-23 | 2013-01-15 | Codman & Shurtleff, Inc. | Implantable medical device having pressure sensors for diagnosing the performance of an implanted medical device |
DE10358221A1 (de) * | 2003-12-12 | 2005-07-07 | Voith Paper Patent Gmbh | Rakelvorrichtung |
DE102004029565A1 (de) * | 2004-06-18 | 2006-01-05 | Voith Paper Patent Gmbh | Rakelvorrichtung |
KR101297451B1 (ko) * | 2005-08-05 | 2013-08-27 | 란세스 인크. | 할로부틸 엘라스토머의 개질 방법 |
GB2445550A (en) * | 2007-01-15 | 2008-07-16 | Dek Int Gmbh | Wiper blade holder for use in a screen printing machine and wiper blade therefor |
DE102008019434B4 (de) | 2008-04-17 | 2013-08-22 | Hauni Maschinenbau Ag | Beleimung von Materialstreifen der Tabak verarbeitenden Industrie |
SE534017C2 (sv) * | 2009-08-03 | 2011-04-05 | Kjell Larsson | Förfarande och anordning för byte av styckvisa bestrykningselement i en anordning för bestrykning av en pappers- eller kartongbana |
ES2397417B1 (es) * | 2011-04-19 | 2013-10-09 | Advance Liberty, S.L. | Procedimiento para la obtención de un sustrato autoadhesivo para recubrimiento, sustrato realizado por el citado procedimiento y dispositivo para llevar a cabo el procedimiento. |
CN104131252A (zh) * | 2013-05-02 | 2014-11-05 | 上海和辉光电有限公司 | 提高封装成膜均匀性的方法及装置 |
EP2808092A1 (fr) * | 2013-05-31 | 2014-12-03 | Valmet Technologies, Inc. | Ensemble d'ancrage pour rouleau |
JP6233799B2 (ja) * | 2013-09-13 | 2017-11-22 | 株式会社小森コーポレーション | ロータリースクリーン印刷装置 |
US10828664B2 (en) | 2015-12-09 | 2020-11-10 | University Of Delaware | Device and method for making shear-aligned, solvent-cast films |
CN112689563B (zh) * | 2018-09-26 | 2022-06-14 | 微技术株式会社 | 丝网印刷装置及丝网印刷方法 |
CN116238239B (zh) * | 2023-05-12 | 2023-07-07 | 福建佶龙机械科技股份有限公司 | 一种双面圆网印染机 |
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-
1988
- 1988-05-18 AT AT88107938T patent/ATE85904T1/de not_active IP Right Cessation
- 1988-05-18 HU HU883933A patent/HU209375B/hu not_active IP Right Cessation
- 1988-05-18 DE DE8888107937T patent/DE3874274D1/de not_active Expired - Lifetime
- 1988-05-18 EP EP88107937A patent/EP0311744B1/fr not_active Expired - Lifetime
- 1988-05-18 JP JP63504693A patent/JPH02502797A/ja active Pending
- 1988-05-18 HU HU883421A patent/HU213082B/hu not_active IP Right Cessation
- 1988-05-18 JP JP63504087A patent/JPH03501822A/ja active Pending
- 1988-05-18 DE DE8888107935T patent/DE3879354D1/de not_active Expired - Fee Related
- 1988-05-18 AU AU17221/88A patent/AU1722188A/en not_active Abandoned
- 1988-05-18 US US07/381,680 patent/US4993352A/en not_active Expired - Fee Related
- 1988-05-18 BR BR888807240A patent/BR8807240A/pt not_active IP Right Cessation
- 1988-05-18 AU AU17901/88A patent/AU1790188A/en not_active Abandoned
- 1988-05-18 JP JP63504300A patent/JPH02501540A/ja active Pending
- 1988-05-18 WO PCT/EP1988/000431 patent/WO1989003256A1/fr unknown
- 1988-05-18 ES ES198888107937T patent/ES2035150T3/es not_active Expired - Lifetime
- 1988-05-18 BR BR888807742A patent/BR8807742A/pt not_active IP Right Cessation
- 1988-05-18 WO PCT/EP1988/000432 patent/WO1989003257A1/fr unknown
- 1988-05-18 US US07/469,561 patent/US5134958A/en not_active Expired - Fee Related
- 1988-05-18 ES ES198888107935T patent/ES2040775T3/es not_active Expired - Lifetime
- 1988-05-18 US US07/469,562 patent/US5156682A/en not_active Expired - Fee Related
- 1988-05-18 AT AT88107937T patent/ATE80067T1/de not_active IP Right Cessation
- 1988-05-18 AU AU19311/88A patent/AU1931188A/en not_active Abandoned
- 1988-05-18 EP EP88107938A patent/EP0311745B1/fr not_active Expired - Lifetime
- 1988-05-18 WO PCT/EP1988/000434 patent/WO1989003259A1/fr unknown
- 1988-05-18 AT AT88107936T patent/ATE69981T1/de not_active IP Right Cessation
- 1988-05-18 DE DE8888107938T patent/DE3878630D1/de not_active Expired - Fee Related
- 1988-05-18 WO PCT/EP1988/000433 patent/WO1989003258A1/fr unknown
- 1988-05-18 AU AU17814/88A patent/AU1781488A/en not_active Abandoned
- 1988-05-18 ES ES198888107936T patent/ES2028938T3/es not_active Expired - Lifetime
- 1988-05-18 BR BR888807241A patent/BR8807241A/pt not_active IP Right Cessation
- 1988-05-18 HU HU883513A patent/HU207004B/hu not_active IP Right Cessation
- 1988-05-18 JP JP63504452A patent/JPH03501823A/ja active Pending
- 1988-05-18 EP EP88107936A patent/EP0311743B1/fr not_active Expired - Lifetime
- 1988-05-18 HU HU883948A patent/HU207469B/hu not_active IP Right Cessation
- 1988-05-18 BR BR888807750A patent/BR8807750A/pt not_active IP Right Cessation
- 1988-10-11 US US07/255,604 patent/US4920914A/en not_active Expired - Lifetime
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1989
- 1989-07-13 US US07/364,436 patent/US4998500A/en not_active Expired - Fee Related
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DE2250092A1 (de) * | 1972-10-12 | 1974-04-18 | Kuesters Eduard | Rotationssiebdruckvorrichtung |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991000779A1 (fr) * | 1989-07-06 | 1991-01-24 | Johannes Zimmer | Appareil a racle pour l'application ou l'application et l'enlevement a la racle ou pour l'application dosee de substances coulantes ou enductibles |
US5170743A (en) * | 1989-07-06 | 1992-12-15 | Joahannes Zimmer | Doctor blade device for applying, and scraping off, or for dosed application of flowable and spreadable substances |
EP0504501A1 (fr) * | 1991-03-21 | 1992-09-23 | Johannes Zimmer | Dispositif à racle |
EP0505020A1 (fr) * | 1991-03-21 | 1992-09-23 | Johannes Zimmer | Dispositif de raclage |
GB2259262A (en) * | 1991-09-03 | 1993-03-10 | Univ Hull | Blade control system |
GB2259262B (en) * | 1991-09-03 | 1995-04-12 | Univ Hull | Blade control system |
DE19743210B4 (de) * | 1996-09-30 | 2006-01-19 | Kyocera Corp. | Rakelklinge |
CN105864605A (zh) * | 2016-05-18 | 2016-08-17 | 合肥惠科金扬科技有限公司 | 显示设备壁挂转接件的安装结构及显示设备 |
CN105864605B (zh) * | 2016-05-18 | 2018-01-02 | 合肥惠科金扬科技有限公司 | 显示设备壁挂转接件的安装结构及显示设备 |
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