EP1438191A2 - Einziehspitze - Google Patents
EinziehspitzeInfo
- Publication number
- EP1438191A2 EP1438191A2 EP02782734A EP02782734A EP1438191A2 EP 1438191 A2 EP1438191 A2 EP 1438191A2 EP 02782734 A EP02782734 A EP 02782734A EP 02782734 A EP02782734 A EP 02782734A EP 1438191 A2 EP1438191 A2 EP 1438191A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sections
- tip
- web
- retractable tip
- tip according
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/02—Conveying or guiding webs through presses or machines
- B41F13/03—Threading webs into printing machines
Definitions
- the invention relates to a pull-in tip according to the preamble of claim 1.
- Such drawing-in tips are required, for example, in web-fed rotary printing presses, in order to start a printing material web, for example a paper web, with a device for drawing the printing material web into the web
- Web-fed rotary printing press for example a chain conveyor system.
- a coupling device is provided in each case on the drawing-in tips, so that the drawing-in point can be coupled to the device for drawing in the printing-material web after the beginning of the printing-material web to be drawn-in has been fastened.
- the conveying movement for example of the chain conveyor system, can then be transmitted to the paper web via the pull-in tip, the tensile forces being introduced over a large area into the printing material web by the pull-in tip.
- DE 44 09693 C1 discloses a device in which a drawing-in tip is attached to the printing material web, the width of which corresponds exactly to the width of the first partial web. After dividing the printing material web into two partial webs, a second drawing-in tip is attached to the second partial web by inserting the second partial web with its beginning to be drawn in between two flexible, superimposed magnetic foils on the second drawing-in tip and fixing it there in a friction-locking manner due to the magnetic forces acting.
- a disadvantage of this device is that before the printing material web is divided into the various partial webs, the tensile forces from the first drawing-in tip only along half the width of the printing material web can be initiated.
- the device for fastening the second pull-in tip to the second partial web is extremely complicated and prone to failure.
- a drawing-in tip with sections arranged next to one another transversely to the transport direction is known, which can be fastened optionally to a device for drawing in the material web by means of at least one coupling device.
- the invention has for its object to provide a retractable tip.
- the advantages that can be achieved with the invention consist in particular in that it is formed from a plurality of individual sections, each of which can be fastened to a device for pulling in a partial web with a coupling device.
- the individual sections of the drawing-in tip can be coupled to different devices for drawing in the partial webs, so that the different partial webs can be conveyed along different drawing-in paths.
- the sections of the drawing-in tip can be detachably connected to one another at least in sections along a contact zone.
- the individual sections form a common pull-in tip, which can be conveyed by coupling the different coupling devices to a common device for pulling in the partial web along a common pull-in path.
- the different sections of the drawing-in tip can be separated from one another in order to be drawn in along separate drawing-in paths.
- the manner in which the detachable connection of the individual sections of the pull-in tip is produced is basically arbitrary.
- the adhesive connection of the individual sections for example by using suitable adhesive tapes, is also conceivable.
- the sections of the pull-in tips are connected to one another by positive locking, in particular in the manner of a clip connection. This ensures that the individual sections are securely attached to one another.
- the form-locking of the sections to one another can be ensured in a particularly simple manner if the edges of the opposite sections along the contact zone are designed to complement one another as a matrix and patrix. This can be implemented constructively, for example, if one edge is formed by a rod element and a slotted sleeve element is arranged on the opposite edge of the other section. By spreading the sleeve element, the rod element can then be brought into engagement in the sleeve element in a form-fitting manner.
- Fig. 1 is a retractable tip with two sections in a schematic view from above
- Fig. 2 shows the detail X from Fig. 1 in an enlarged view from above
- FIG. 3 the pull-in tip of FIG. 2 in cross section along the section line III - III
- the pull-in tip 01 shown in FIG. 1 is made up of two sections 02; 03 formed, at the tip of which a coupling device 04 or 06 for coupling the pull-in tip 01 to a device 07, for example a chain conveyor 07, is arranged.
- the pull-in tip 01 is at the beginning of a material web 08, for. B. a printing material web, for example a paper web 08, so that the conveying movement applied by the device 07 is transmitted via the drawing-in tip 01 to the printing material web 08.
- Such a drawing-in tip 01 is used, for example, when drawing a web-like material into a working machine, in particular the printing material web 08, through all or part of a printing press, in particular web-fed rotary printing press.
- the printing material web 08 is z. B. along an indicated cutting line 09 by longitudinal cutting in two partial webs 11; Split 12.
- the coupling device 06 is coupled to a second device (not shown) for pulling in the partial web 12, so that the partial webs 11 and 12 can be drawn in along different pull-in paths.
- the sections 02; 03 of the pull-in tip 01 can now also not be used on one Longitudinal section provided paper web 08 are attached, the paper web 08 then z. B. is conveyed as a whole by the machine. This can be done by coupling the coupling devices 04; 06 to a common or several devices 07.
- the sections 02; 03 of the drawing-in tip 01 also on already cut partial webs 11; 12 are arranged. They can also be arranged in a corresponding spatial arrangement in the plane of the paper web 08 next to one another on a paper web 08 provided for longitudinal section in the area of the respective intended partial web 11; 12 are arranged.
- the retractable tip 01 is shown enlarged in section X.
- the coupling devices 04; 06 are each identical in construction in the manner of coupling bolts 04; 06 trained.
- the sections 02; 03 of the pull-in tip 01 are each formed by two double-layered plastic films, between which tensile cords 13 are embedded.
- the tensile strands 13 extend in a radial shape, starting from the coupling devices 04; 06, in the direction of the substrate web 08 and serve to introduce the tensile forces into the substrate web 08 as evenly as possible.
- the two sections 02; 03 in contact with each other and can be positively connected to each other.
- FIG. 3 shows the positive connection between the edges 14; 15 of the sections 02; 03 recognizable.
- a rod element 16 is provided, which in a slotted sleeve 17, which is arranged along the edge 14, can be clipped.
- the rod element 16 and the sleeve element 17 thus take on the function of a functionally complementary matrix and patrix and can therefore be reversibly connected and detached from one another as often as desired.
- the sections 02; 03, viewed in the direction of transport of the paper web 08, are advantageously separable from one another over their entire length.
- both sections 02; 03 each have a triangular connecting part 18 or 19.
- the connecting parts 18; 19 merge into the extension parts 21 and 22 on the side opposite the coupling device 04 and 06, respectively, which serve to fasten the printing material web 08 to the drawing-in tip 01.
- the width of the extension parts 21; 22 tapers in the direction of the rear edge of the sections 02; 03, so that in the area of the cutting line 09 between the partial webs 11; 12 a gusset is formed. This allows the separation station, for. B. a slitter cleanly cut the substrate 08 up to the front edge without damaging the single tip 01.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Replacement Of Web Rolls (AREA)
- Multicomponent Fibers (AREA)
- Artificial Filaments (AREA)
- Unwinding Webs (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10152524 | 2001-10-24 | ||
DE10152524A DE10152524C1 (de) | 2001-10-24 | 2001-10-24 | Einziehspitze |
PCT/DE2002/003959 WO2003037627A2 (de) | 2001-10-24 | 2002-10-19 | Einziehspitze |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1438191A2 true EP1438191A2 (de) | 2004-07-21 |
EP1438191B1 EP1438191B1 (de) | 2008-12-31 |
Family
ID=7703596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02782734A Expired - Lifetime EP1438191B1 (de) | 2001-10-24 | 2002-10-19 | Einziehspitze |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1438191B1 (de) |
AT (1) | ATE419117T1 (de) |
DE (2) | DE10152524C1 (de) |
WO (1) | WO2003037627A2 (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4130678C2 (de) * | 1991-09-14 | 1995-03-16 | Roland Man Druckmasch | Vorrichtung zum Einziehen von Bahnen in Rollenrotationsdruckmaschinen |
DE4409693C1 (de) * | 1994-03-22 | 1995-09-21 | Roland Man Druckmasch | Vorrichtung zum Einziehen von Bedruckstoffbahnen über Wendestangen |
DE10043839C2 (de) * | 2000-09-06 | 2002-08-08 | Koenig & Bauer Ag | Vorrichtung und Verfahren zum An- und Abkuppeln einer Einrichtung zum Befestigen eines Anfanges einer Papierbahn an ein Zugmittel |
-
2001
- 2001-10-24 DE DE10152524A patent/DE10152524C1/de not_active Expired - Fee Related
-
2002
- 2002-10-19 WO PCT/DE2002/003959 patent/WO2003037627A2/de not_active Application Discontinuation
- 2002-10-19 AT AT02782734T patent/ATE419117T1/de not_active IP Right Cessation
- 2002-10-19 DE DE50213178T patent/DE50213178D1/de not_active Expired - Fee Related
- 2002-10-19 EP EP02782734A patent/EP1438191B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03037627A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2003037627A2 (de) | 2003-05-08 |
DE10152524C1 (de) | 2003-03-13 |
DE50213178D1 (de) | 2009-02-12 |
WO2003037627A3 (de) | 2003-08-14 |
EP1438191B1 (de) | 2008-12-31 |
ATE419117T1 (de) | 2009-01-15 |
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