EP1288146B1 - Verfahren und Vorrichtung zur Verhinderung einer Beschädigung oder Verhakung von tafelförmigen Flachmaterialien - Google Patents
Verfahren und Vorrichtung zur Verhinderung einer Beschädigung oder Verhakung von tafelförmigen Flachmaterialien Download PDFInfo
- Publication number
- EP1288146B1 EP1288146B1 EP20020019166 EP02019166A EP1288146B1 EP 1288146 B1 EP1288146 B1 EP 1288146B1 EP 20020019166 EP20020019166 EP 20020019166 EP 02019166 A EP02019166 A EP 02019166A EP 1288146 B1 EP1288146 B1 EP 1288146B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- flat material
- air jet
- metal
- sheet
- 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
- 239000000463 material Substances 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 103
- 239000002184 metal Substances 0.000 claims description 103
- 230000000694 effects Effects 0.000 claims description 24
- 238000007664 blowing Methods 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 6
- 239000003570 air Substances 0.000 description 90
- 238000007639 printing Methods 0.000 description 15
- 230000033001 locomotion Effects 0.000 description 11
- 238000006748 scratching Methods 0.000 description 4
- 230000002393 scratching effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
- B65H3/48—Air blast acting on edges of, or under, articles
Definitions
- the invention relates to a method for preventing damage or entanglement on separation of superposed tabular sheets.
- the arches in the shingled stream become the investment area for positionally accurate alignment and then fed to the first printing unit.
- a sheet-guiding machine for example a sheetfed offset printing machine or the like
- the arches in the shingled stream become the investment area for positionally accurate alignment and then fed to the first printing unit.
- the metal sheets in So-called scroll form are executed to the waste to reduce in the production of lids.
- the round blanks or ellipsoidal basic forms, out where the lids are made are in staggered Rows on the corresponding metal sheet placed so that at a straight board side edge in each row alternately left and in the next series half a lid size as Cuttings would be thrown away.
- the metal sheets become the printing press usually lying lying, with the jagged or wavy edges left and right of the central axis lie the machine.
- the metal sheets point a straight leading edge and also a straight one Trailing edge up.
- the move Panels in the shingled stream towards the installation area with no relative movement between the metal sheets takes place.
- the investment area is the respective front panel for positionally accurate alignment braked, preferably to a stop. hereby Relative movements occur.
- the scale length is determined by the distance between the front edges of the table or panel trailing edges from the shingled stream Defined adjacent panels.
- the scale length is typically 350 mm.
- the largest Blackboard is for example 1000 mm long. It follows, that in the shingled stream in each case three panels one above the other lie, so the following condition possible is:
- the invention is based on the object, a method indicate that one evenly over the Longitudinal acting lifting effect on the top Panel, in particular sheet metal, exercises, wherein prefers no sliding contact between Blackboard and lifting system should arise. Furthermore, should a self-steering or easy-to-control System exist.
- a method of preventing damage or entanglement when separating from each other lying, tabular sheets, in particular Metal sheets, in a sheet-guiding machine, in particular sheet metal printing machine is present in each case the foremost lying, in the scale flow Delivered flat material positionally accurate align and then leaving under the shingle stream Separation for further processing removed being, being in the area of singulation at least one side area of the uppermost and foremost lying flat material opposite the underneath Scaled arranged flat material by at least a blown air stream, preferably after Principle of buoyancy, is raised, the Blasluftstrom is oriented such that it along the surface or a portion of the surface the frontmost lying flat material flows.
- the lifting of the aforementioned metal sheet takes place therefore, by blowing along over his top-facing surface, resulting in, in particular on the principle of buoyancy, a lifting effect established.
- the lifting effect is based on the one Negative effect of jet effect.
- Further can have an effect due to the so-called Coanda effect to join, which is commonly known in the extension of the throw of a blast air jet. Is a blast air along a blown fixed surface, it acts over a much longer distance than when he is free would be blown out into the room. The blown air stream flows essentially vortex free at the Surface along and dissolves only after laying back a longer distance.
- the two side areas of the foremost lying flat material, each with a blast of air be raised. This is thus on Both sides of the metal sheets a Verhaarverhaken or scratching or the like prevented.
- the blast air flow is parallel or about parallel to the straight front or Trailing edge of the metal sheet. It can be provided be that the or each blast air in the direction flows on the longitudinal center line of the sheet. Alternatively, however, it can also be provided that the blowing air flow from about the middle zone of the Sheet metal outgoing towards the associated Side edge flows. As mentioned, will while the side area of the sheet through raised the negative pressure generated by the blown air stream.
- the increase of the side area is preferred under elastic deflection of the sheet.
- the invention is not up Limited to a jagged flat materials or wavy side area, but Of course, it can also be used on metal sheets, boards or Flat material find application that just margins has.
- the invention further relates to a device for Prevention of damage or entanglement when Separating from stacked, tabular Flat materials, in particular metal sheets, in one sheet-guiding machine, in particular sheet metal printing machine, where the most prominent, in the scale flow by means of a transport device Delivered flat material positionally accurate aligned by means of a stop device and then under the scale flow leaving separation is transported away for further processing, and wherein in the region of the singulation, above the at the top and frontmost flat material arranged at least one blowing device such is that at least one side of the front lying flat material opposite the underneath Scaled arranged flat material by at least a blast of air, preferably after Principle of buoyancy, is raised, the Blas Kunststoffstrom is oriented such that it along the surface or a portion of the surface the frontmost lying flat material flows. Below the surface is the one up here facing surface of the corresponding sheet to understand.
- the blowing device can be used to generate the blast air flow preferably at least one blown air box exhibit.
- the blast air box has at least a Blas Kunststoffauslass on. This can be preferred of at least one blown air slot or blown air mouth be formed.
- the blown air slot extends preferably in the direction of movement or approximately in Movement direction of the transport device, runs thus angled, in particular at right angles, to straight front or rear edge of the uppermost lying metal sheet.
- the blown air slot between two wall sections of the blast air box is.
- the two wall sections partially overlap, whereby not only one slot to the exit of the Blowing air flow is created, but an outlet channel, that is, the blast air gets a "leadership".
- the blowing air flow So gives the mentioned leadership.
- the attitude is very exact and reproducible conditions therefore possible.
- the specification of plus values and minus values of the angle result from that at parallel air guide and transport plane the angle ⁇ is zero. Will now the Guiding against the transport plane in the If one direction is swung, positive results Angle ⁇ . Is the pivoting in the other Direction, this results in negative values for the Angle ⁇ .
- FIG. 1 does not show the contact area 1 of one closer illustrated sheet metal printing machine. through a transport device 2, not in detail is shown, but of the only Transport level 3 will be flat materials 4 in a shingled arrangement towards one Stop device 5 transported.
- the transport direction 6 is in the figure 1 by means of a Arrow shown.
- the sheets 4 acts It is sheet metal 7, where-only Exemplary- three metal sheets are shown, namely, the top and first lying first Sheet metal 8, the second below it scaled Metal plate 9 as well as under the second metal sheet 9 maruppt lying third metal sheet 10. More metal sheets, below the third Metal sheet 10 lie, follow, but are not shown.
- the Scale length s of the metal sheets 7 opposite their Longitudinal format 1 is about one third, that is, the distance between the leading edges the first metal sheet 8 and the second metal sheet 9 is about one third as large as the length of the Longitudinal format 1. Furthermore, it can be seen that the most first metal sheet 8 the uppermost Metal sheet forms, while the second metal sheet 9 between the first metal sheet 8 and the third Metal sheet 10 is arranged.
- the top 11 of first metal sheet 8 faces upwards; the bottom 12 of the first metal sheet 8 points down in Direction to the transport plane 3 of the transport device 2.
- the top 11 of the first metal sheet 8 forms a surface 13.
- FIG. 1 is composed of three subfigures.
- the upper part of the figure illustrates the condition of the three metal sheets 8, 9 and 10 at a time, in which the straight leading edge 14 of the vorste and uppermost first metal sheet 8 at a distance x to the stop 15 of the stop device 5 lies.
- Successful movement of the metal sheets 8 to 10 by means the transport device 2 are the metal sheets 8 to 10 in the direction of the stop device 5 moves.
- the front edge 14 abuts the first metal sheet 8 against the stop 15 of the stop device 5 and thereby becomes reproducible aligned.
- This condition is in the middle Partial figure of Figure 1 shown.
- the transport device 2 can be used, for example, as a circulating, be formed endless Riementrum.
- the blown air device 16 has a Blas Kunststoffkasten 17, which via a Supply air line 18 is supplied with blown air.
- the inflowing blown air is by means of the arrow 19 clarified.
- the blown air box 17 is preferred formed cuboid and has a rear wall 20 and four side walls 21 and a front wall 22 formed by two wall sections 23 and 24 is.
- the wall section 23 is at right angles the adjacent side wall 21.
- the said wall section 23 goes - according to Figure 2- of the one Side wall 21 and runs in the direction of a Blasluftauslass 25.
- the wall section 24, however goes from an opposite side wall 21 off and also runs in the direction of the Blas Kunststoffauslass 25.
- the Blas Kunststoffauslass 25 is as Blas Kunststoffschlitz 26 formed and due to a Distance a between the two wall sections 23 and 24 formed.
- the wall section 24 extends to the associated side wall 21 according to Figure 2 not under a right Angle, but at an angle 27, the smaller than 90 °.
- the length of the wall portion 23 has the measure b on.
- the remaining length on the front wall 22 of the blast air box 17 has the dimension C ( Figure 2), which is smaller than the length of the wall portion 24. This results in an overlap zone 28 of the two wall sections 23 and 24th Because of the angle 27, which is smaller than 90 ° is, the wall portion 24 obliquely to the wall portion 23 runs, an angle ⁇ is formed.
- FIG. 3 illustrates the position of the blown air device 16 relative to the transport plane 3 of Transport device 2.
- the transport direction 6 is indicated by a cross in the circle in Figure 3. This means that they are in the drawing plane into it.
- the Blas Kunststoffkasten 17 inclined to the transport plane 3 so, that the blast air flow 29 at an angle ⁇ the transport level 3 includes.
- a support device 32 arranged in the form of one or more rollers 33, the roller or rollers 33 being the corner 31 surmount.
- a plurality of rollers 33 spaced from each other over the longitudinal extent (in the drawing plane) on Blas Kunststoffkasten 17th attached.
- the rollers 33 prevent -in the Figure 3, not shown - metal sheets - raised and from the blast air flow 29- against the blast air box 17 and can be damaged there. On the lifting of the metal sheets will be even closer received.
- the blown air device is located 16 above a side region 34 of the mentioned figure resulting first metal sheet.
- 8 Of the two metal sheets 8 and 9 is in the figure 4, only the respective left-side side region 34 shown.
- the respective right side area is not shown, but rather shows fault lines 35, that only parts of the two metal sheets 8 and FIG. 9 can be seen.
- side area 34 is also located a blown air device 16, which in corresponding Way as the blown air device shown 16 works. Also more metal sheets (like the Metal sheet 10, etc.) are not shown.
- the Blas Kunststoffkasten 17 is above the metal sheets 8 and 9 arranged that the blast air flow 29 transversely, in particular at right angles, to the transport direction 6, wherein the Blas Kunststoffstrom 29 in the direction of the longitudinal central axis 39 of the metal sheets 8, 9 flows. Further the blast air flow 29 hits with an edge distance 40 on the top 11 of the foremost and uppermost lying first metal sheet 9. He runs so over the top 11 towards the Longitudinal axis 39 and generates it after the Principle of buoyancy a negative pressure, causing the Side portion 34 of the first metal sheet 8 is raised becomes. In this way it prevents during the removal of the metal sheet 8 after alignment at the stop 15 ( Figure 1) with their metal tabs 37 to the sheet metal tab 37 of the second metal sheet 8 hooked. This snagging can be done because the first sheet 8 at machine speed is accelerated while the second metal sheet 9 is decelerated, or is already braked to am Stop 15 to be aligned.
- FIG. 1 (upper Part figure) move the metal sheets 8, 9 and 10 in a flake arrangement without relative movement towards each other in the direction of the stop 15. These Movement takes place by means of the transport device 2 in the transport plane 3.
- Im in the middle Part of the figure 1 is shown the foremost and uppermost sheet 8 at the stop 15 aligned with exact position.
- the Metal sheet 8 still.
- the lower part of the figure in Figure 1 shows the time in which the aligned Metal sheet 8 by means not shown gripper gripped and at the full machine speed is accelerated. She runs in this condition in the first printing unit of the not shown Sheet metal printing machine on.
- the air boxes 17 of the blown air devices 16 preferably run parallel to the machine center axis.
- the Blown air slot 26 which points at the downward Front wall 22 of each blast air box 17 is present, forms a Blas Kunststoffmund, preferably uninterrupted runs over the longitudinal extent or is segmented such that the blown air (Blas Kunststoffstrom 29) as a wall jet on the wall section 24 along and one by the jet effect Negative pressure generated.
- the blowing air itself prevents that the corresponding metal sheet 8 the Blas Kunststoffkasten 17 and the front wall 22 on touches the blast side of the blown air mouth.
- the blown air mouth is directed towards the center of the machine.
- the angle ⁇ 5 ° to 7 °. Of the Maximum range of the angle ⁇ can be 0 ° to 15 °.
- the blown air mouth has at the narrowest point a height a of 6 to 8 mm; being a maximum range may be from 2 to 15 mm.
- the overblown Box length c (dimension c) and the remaining box length b (measure b) the ratio c / b 2/1, where also a Maximum range of 0.3 / 1 to 10/1 may be present.
- the blown box length c (measure c) and the narrowest Point of Blas Kunststoffmundes (measure a) point in the preferred embodiment, a ratio of c / a 10/1 on; the maximum range is 2/1 to 50/1.
- the Blown air slot 26 almost over the entire length of the blast air box to one over the entire length the Blas Kunststoffkastens 17 as homogeneous as possible Blas Kunststoffstrahl 29 to achieve.
- Interruptions in the form of webs or the like would be an influx facilitate induction of ambient air, the negative pressure generated by the blown air jet weaken and thus the desired suction of the Reduce blower box 17. Interruptions are therefore not possible.
- the design of the blast air flow 29 takes into account, that the boundary of the relatively heavy metal sheets 7 with a total weight of up to 5 kp raised need to be and that the sound level of the exiting Blas Kunststoffstrahls not significantly the other Machine sound level exceeds.
- the necessary attachment the side areas 34 of the metal sheet 8 is approximately 10 mm. This is sufficient to the scale flow enough space for simultaneous use the above-described, from the state the technology known airborne effects by means of blowing nozzles to leave at the panel trailing edge. This is achieved by the form of the known Blowing air to a level well below the usual Compressed air levels of 6 bar is maintained.
- the pressure is 0.02 bar.
- the size of the blast air stream according to the invention is preferably set to a level of 1000 to 2000 m 3 / h / m box length.
- the distance of the Blaskastenunterkante (corner 31) to the scale flow (transport plane 3) is according to Figure 3, the dimension d of about 10 mm.
- the blown air box 17 is inclined at a small angle, so that the angle ⁇ between the blown air jet 29 and the transport plane 3 is preferably 0 ° to 5 ° (maximum range -20 ° to + 20 °) and thus horizontal until it slopes slightly upwards over the panels 7.
- the location of the blast air box 17 and the Blas Kunststoffkarsten 17 is according to the panel format adjusted so that they are near the side boundary lie.
- the blow boxes can be directly in the area of Lateral curvature or the lateral pips or by far or immediately adjacent to this area to be ordered.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Description
- Figur 1
- den Bereich einer Vereinzelung tafelförmiger Flachmaterialien mit Anschlagvorrichtung einer Blech-Druckmaschine, wobei drei zeitversetzte Phasen dargestellt sind,
- Figur 2
- eine schematische Schnittansicht durch eine Blasluftvorrichtung, wobei der Schnitt parallel zur geraden Vorder- beziehungsweise Hinterkante von aus Figur 2 nicht hervorgehenden Blechtafeln verläuft,
- Figur 3
- eine der Figur 2 ähnliche Darstellung, wobei die Blasluftvorrichtung eine Rolleneinrichtung besitzt und die Transportebene einer Transportvorrichtung dargestellt ist und
- Figur 4
- eine perspektivische, schematische Ansicht auf einen Abschnitt von geschuppt liegenden Blechtafeln mit gezacktem Seitenrand sowie der oberhalb des Seitenbereichs der zuvorderst liegenden Blechtafel angeordneten Blasluftvorrichtung.
Claims (17)
- Verfahren zur Verhinderung einer Beschädigung oder Verhakung beim Trennen von aufeinanderliegenden, tafelförmigen Flachmaterialien, insbesondere Blechtafeln (7), bei einer bogenführenden Maschine, insbesondere Blech-Druckmaschine, wobei das jeweils zuvorderst liegende, im Schuppenstrom angelieferte Flachmaterial (8) positionsgenau ausgerichtet und dann unter den Schuppenstrom verlassender Vereinzelung zur Weiterbearbeitung abtransportiert wird, wobei im Bereich der Vereinzelung zumindest ein Seitenbereich (34) des zuoberst und zuvorderst liegenden Flachmaterials (8) gegenüber dem darunter geschuppt angeordneten Flachmaterial (9) durch mindestens einen Blasluftstrom (29), bevorzugt nach dem Prinzip des Strahleffekts oder Auftriebs, angehoben wird, wobei der Blasluftstrom (29) derart ausgerichtet ist, dass er entlang der Oberfläche (13) oder eines Bereichs der Oberfläche (13) des zuvorderst liegenden Flachmaterials (8) strömt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass beide Seitenbereiche (34) des zuvorderst liegenden Flachmaterials (8) mit jeweils einem Blasluftstrom (29) angehoben werden.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der oder jeder Blasluftstrom (29) mit Abstand zur entsprechenden Seitenrandkante des Flachmaterials (8) das Flachmaterial (8) anströmt.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der oder jeder Blasluftstrom (29) quer, insbesondere rechtwinklig, zur Transportrichtung (6) der Flachmaterialien (7) strömt.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der oder jeder Blasluftstrom (29) in Richtung auf die Längsmittellinie (39) des Flachmaterials (8) strömt.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Seitenbereich (34) des Flachmaterials (8) von einem Blasluftstrom (29)zum Erzeugen eines den Seitenbereich anhebenden Unterdrucks angeblasen wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass Flachmaterialien (7) verwendet werden, die mindestens einen gezackten oder gewellten Seitenbereich (34) aufweisen.
- Vorrichtung zur Verhinderung einer Beschädigung oder Verhakung beim Trennen von aufeinanderliegenden, tafelförmigen Flachmaterialien, insbesondere Blechtafeln (7), bei einer bogenführenden Maschine, insbesondere Blech-Druckmaschine, wobei das jeweils zuvorderst liegende, im Schuppenstrom mittels einer Transportvorrichtung (2) angelieferte Flachmaterial (7) positionsgenau mittels einer Anschlagvorrichtung (5) ausgerichtet und dann unter den Schuppenstrom verlassender Vereinzelung zur Weiterbearbeitung abtransportiert wird, und wobei im Bereich der Vereinzelung, oberhalb des zuoberst und zuvorderst liegenden Flachmaterials (8) mindestens eine Blasluftvorrichtung (16) derart angeordnet ist, dass zumindest ein Seitenbereich (34) des zuvorderst liegenden Flachmaterials (8) gegenüber dem darunter geschuppt angeordneten Flachmaterial (9) durch mindestens einen Blasluftstrom (29), vorzugsweise nach dem Prinzip des Strahleffekts oder Auftriebs, angehoben wird, wobei der Blasluftstrom (29) derart ausgerichtet ist, dass er entlang der Oberfläche (13) oder eines Bereichs der Oberfläche (13) des zuvorderst liegenden Flachmaterials (8) strömt.
- Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Blasluftvorrichtung (16) einen Blasluftkasten (17) aufweist.
- Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass der Blasluftkasten (17) mindestens einen Blasluftauslass (25) aufweist.
- Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass der Blasluftauslass (25) von mindestens einem Blasluftschlitz (26) gebildet ist.
- Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass sich der Blasluftschlitz (26) in Bewegungsrichtung (6) oder etwa in Bewegungsrichtung der Transportvorrichtung (2) erstreckt.
- Vorrichtung nach einem der vorhergehenden Ansprüche 11 oder 12, dadurch gekennzeichnet, dass der Blasluftschlitz (26) zwischen zwei Wandabschnitten (23,24) des Blasluftkastens (17), insbesondere zwischen der Oberseite des einen und der Unterseite des anderen Wandabschnitts (23,24), ausgebildet ist.
- Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass sich die beiden Wandabschnitte (23,24) teilweise überlappen.
- Vorrichtung nach einem der vorhergehenden Ansprüche 13 oder 14, dadurch gekennzeichnet, dass zumindest ein Wandabschnitt (23,24) eine Luftleitfläche (30) für den Blasluftstrom (29) bildet.
- Vorrichtung nach einem der vorhergehenden Ansprüche 13 bis 15, dadurch gekennzeichnet, dass der eine Wandabschnitt (23,24) zu dem anderen Wandabschnitt (23,24) unter einem Winkel α im Bereich von 0° bis 15°, vorzugsweise im Bereich von 5° bis 7°, verläuft.
- Vorrichtung nach einem der vorhergehenden Ansprüche 8 bis 16 dadurch gekennzeichnet, dass die Luftleitfläche (30) mit der Transportebene (3) der Transportvorrichtung (2) einen Winkel β im Bereich von - 20° bis +20°, vorzugsweise im Bereich von 0° bis +5°, aufweist, wobei bei parallel verlaufender Luftleitfläche (30) und Transportebene (3) der Winkel β = 0° ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10144249 | 2001-08-31 | ||
DE10144249 | 2001-08-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1288146A2 EP1288146A2 (de) | 2003-03-05 |
EP1288146A3 EP1288146A3 (de) | 2004-01-21 |
EP1288146B1 true EP1288146B1 (de) | 2005-09-14 |
Family
ID=7698297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20020019166 Expired - Lifetime EP1288146B1 (de) | 2001-08-31 | 2002-09-02 | Verfahren und Vorrichtung zur Verhinderung einer Beschädigung oder Verhakung von tafelförmigen Flachmaterialien |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1288146B1 (de) |
DE (1) | DE10240734B4 (de) |
ES (1) | ES2248462T3 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2246140C2 (de) * | 1972-09-20 | 1981-05-14 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Vorrichtung zum Trennen teilweise überdeckter Bogen am Anlegetisch von Bogen verarbeitenden Maschinen, insbesondere Offsetmaschinen |
DE3110184C2 (de) * | 1981-03-17 | 1982-12-30 | O. Dörries GmbH, 5160 Düren | Vorrichtung zum Zuführen von Bogen zu bogenverarbeitenden Maschinen, z.B. Kaschiermaschinen |
DE3442135A1 (de) * | 1984-11-17 | 1986-05-28 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Verfahren zum ausrichten von bogen |
DE19631175C1 (de) * | 1996-08-02 | 1998-01-29 | Roland Man Druckmasch | Vorrichtung zur Bogenzufuhr zu einer Druckmaschine |
US6015144A (en) * | 1997-04-18 | 2000-01-18 | Fuji Xerox Co., Ltd. | Sheet feeder and image forming apparatus |
-
2002
- 2002-08-29 DE DE10240734A patent/DE10240734B4/de not_active Expired - Fee Related
- 2002-09-02 ES ES02019166T patent/ES2248462T3/es not_active Expired - Lifetime
- 2002-09-02 EP EP20020019166 patent/EP1288146B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1288146A2 (de) | 2003-03-05 |
ES2248462T3 (es) | 2006-03-16 |
EP1288146A3 (de) | 2004-01-21 |
DE10240734A1 (de) | 2003-04-03 |
DE10240734B4 (de) | 2007-03-29 |
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