EP0297528B1 - Rakelgerät - Google Patents
Rakelgerät Download PDFInfo
- Publication number
- EP0297528B1 EP0297528B1 EP88110349A EP88110349A EP0297528B1 EP 0297528 B1 EP0297528 B1 EP 0297528B1 EP 88110349 A EP88110349 A EP 88110349A EP 88110349 A EP88110349 A EP 88110349A EP 0297528 B1 EP0297528 B1 EP 0297528B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- doctor
- roller
- bar
- check
- doctor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
-
- 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 doctor device with a magnetically pressed doctor roller, which rests on a bar made of elastic material, which is connected to a rigid support, leaving its lower doctor area free, and with start-up parts for the doctor roller arranged near the ends of the bar.
- Such a device is known from AT-A-361 439. Due to the free-hand, loose insertion of the squeegee roller into the stencil and due to operational reasons occasionally inclined of the circular stencil to the direction of rotation, the squeegee roller is sometimes not at right angles to the direction of rotation. When a rigid strip is arranged between the run-on parts, the squeegee roller lifts off the strip due to such an inclination and the application mass passes into the area behind the squeegee roller.
- the object of the invention is to provide a device which combines the advantages of the two known devices without having this disadvantage.
- the bar which is shorter than the doctor roller, is connected to the carrier only in its upper edge region and that the run-on parts have thrust surfaces for the doctor roll arranged at an angle to the roller axis.
- the roller 6 protrudes beyond the bar 1
- the sloping surfaces provided are effective immediately if the doctor roller deviates from the normal position.
- the fact that only the upper edge region of the bar is clamped makes it sufficiently twistable to lie against the bar along the entire length even when an angle occurs between the bar and the doctor blade roller.
- the known, obliquely arranged contact surfaces now lead to the doctor roll being transferred into the correct position without the application mass in the meantime passing into the area behind the doctor roll.
- FIG. 1 represents a first embodiment
- the right side a second embodiment of the invention according to section line II in FIG. 5.
- FIGS. 2 and 3 illustrate the function of a device corresponding to the left side of FIG. 1 .
- Figure 4 is a longitudinal direction 5 shows the front view of the exemplary embodiment according to the left-hand side of FIG. 1
- FIG. 6 is a section along the line VI-VI in FIG. 4.
- the device according to the invention according to FIG. 1 has left and right side delimiters 16, 16 ', which are designed symmetrically and either both correspond to the embodiment on the left side of FIG. 1 or as a possible variant of the embodiment according to the right side of FIG. 1 .
- the side delimiter 16 shown on the left in FIG. 1 two run-on parts 2, 11 are provided for a doctor roll 6 extending transversely to the web, which have run-on surfaces 3 and 7 for the doctor roll 6.
- the guide bodies 2 and 11, which are made of plastic, carry a plate 17 made of magnetizable material on their outside and are height-adjustable in a guide 13, the function of which can be seen in particular from FIGS. 5 and 6.
- the strip 1 made of rubber-elastic material, the front 8 of which, in the unloaded state according to FIG. 1, runs at a distance from the rear end 4, 4 'of the contact surfaces 3, 3' for a roller 6 arranged in front of the strip 1.
- the rear 9 of the sealing strip 1 runs behind the front end 10, 10 'of the contact surfaces 7, 7' which take effect when the doctor roller 6 is arranged behind the strip (cf. FIG. 4, dashed line).
- the contact surfaces 7 and a symmetrical surface (not shown) on the right side for the roller arranged behind the sealing strip 1 run parallel to the front contact surfaces 3, 3 '.
- only one thrust part 2 ' is provided on both sides, which carries the converging thrust surfaces 3', 7 '. This variant is of interest if the doctor roller 6 shows the tendency to move obliquely forward against the direction of movement 21 of the web.
- FIGS. 2 and 3 The function of the device according to the invention is shown schematically in FIGS. 2 and 3. From FIG. 2 it can be seen that the elastic strip under the pressure of the doctor roller 6 is pushed back with its front side 8 to the end of the contact surfaces 3, 3 '. If the squeegee roller 6 now moves into the inclined position shown in FIG. 3, the contact surface 3 ensures that a force is exerted on the front end of the roller, which returns it to the web. It is essential for the invention that the squeegee roller 6 does not lose contact with the bar 1. This is achieved in that the strip 1 is displaceable in the direction of movement relative to the run-on parts 2, 2 'and, moreover, consists of twistable, rubber-elastic material.
- FIG. 4 shows the device according to the invention applied to a printing device with which a web 5 fastened to a printing blanket 19 is treated by means of a circular template 18.
- the bar 1 is held here in a clamping profile 15, which is connected to the paint tube 14, which is used to supply the application mass.
- the bar 1 is provided with a longitudinal groove 12.
- the side delimiter 16 which carries the run-on parts 2, 11, is vertically displaceably mounted with a lateral guide 13.
- the falling out of the side delimiter 16 is prevented by a bolt 20 which passes through an opening 22 in a guide plate 23 which is guided in a recess of the side delimiter 16.
- a magnetic bar is provided below the blanket 19 for pressing the doctor roller 6. This works simultaneously on the plate 17 made of magnetizable material, which is attached to the outside of the side delimiter 16.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Duct Arrangements (AREA)
- Linear Motors (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Road Paving Machines (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88110349T ATE68132T1 (de) | 1987-06-30 | 1988-06-29 | Rakelgeraet. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8709028U DE8709028U1 (de) | 1987-06-30 | 1987-06-30 | Einrichtung zur Führung einer Rolle beim Auftragen einer Substanz auf eine Warenbahn |
DE8709028U | 1987-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0297528A1 EP0297528A1 (de) | 1989-01-04 |
EP0297528B1 true EP0297528B1 (de) | 1991-10-09 |
Family
ID=6809577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88110349A Expired - Lifetime EP0297528B1 (de) | 1987-06-30 | 1988-06-29 | Rakelgerät |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0297528B1 (es) |
AT (1) | ATE68132T1 (es) |
DE (2) | DE8709028U1 (es) |
ES (1) | ES2027346T3 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9004513A (pt) * | 1989-01-09 | 1991-07-30 | Johannes Zimmer | Disposicao para a aplicacao de substancias a material em forma de tira |
DE8912899U1 (de) * | 1989-10-28 | 1991-02-28 | Zimmer, Johannes, Klagenfurt, Kärnten | Einrichtung zum Auftragen einer Substanz auf eine Warenbahn |
AT401622B (de) * | 1991-09-23 | 1996-10-25 | Johannes Zimmer | Vorrichtung zum auftragen einer fliessfähigen viskosen substanz |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT347388B (de) * | 1973-10-01 | 1978-12-27 | Zimmer Johannes | Einrichtung zur axialen fuehrung einer bei der oberflaechenbehandlung einer warenbahn eine abrollbewegung gegenueber der bahn ausfuehrenden walze |
FR2321948A1 (fr) * | 1975-08-27 | 1977-03-25 | Zimmer Johannes | Dispositif d'enduction |
AT361439B (de) * | 1975-08-27 | 1981-03-10 | Zimmer Johannes | Magnetrakelvorrichtung |
AT391108B (de) * | 1986-09-19 | 1990-08-27 | Zimmer Johannes | Einrichtung an schablonendruckmaschinen, insbesondere rotationsschablonendruckmaschinen |
-
1987
- 1987-06-30 DE DE8709028U patent/DE8709028U1/de not_active Expired
-
1988
- 1988-06-29 AT AT88110349T patent/ATE68132T1/de not_active IP Right Cessation
- 1988-06-29 EP EP88110349A patent/EP0297528B1/de not_active Expired - Lifetime
- 1988-06-29 ES ES198888110349T patent/ES2027346T3/es not_active Expired - Lifetime
- 1988-06-29 DE DE88110349T patent/DE3865378D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3865378D1 (es) | 1991-11-14 |
EP0297528A1 (de) | 1989-01-04 |
ES2027346T3 (es) | 1992-06-01 |
DE8709028U1 (de) | 1988-11-03 |
ATE68132T1 (de) | 1991-10-15 |
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