EP1306210A2 - Spanwelle, System aus Spannwelle und Hülse und Rotationsdruckmaschine sowie Verfahren zur dynamischen Stabilisierung einer Spanwelle - Google Patents
Spanwelle, System aus Spannwelle und Hülse und Rotationsdruckmaschine sowie Verfahren zur dynamischen Stabilisierung einer Spanwelle Download PDFInfo
- Publication number
- EP1306210A2 EP1306210A2 EP02023535A EP02023535A EP1306210A2 EP 1306210 A2 EP1306210 A2 EP 1306210A2 EP 02023535 A EP02023535 A EP 02023535A EP 02023535 A EP02023535 A EP 02023535A EP 1306210 A2 EP1306210 A2 EP 1306210A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- shaft
- sleeve
- tensioning shaft
- peripheral part
- 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
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
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/24—Constructional details adjustable in configuration, e.g. expansible
- B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
- B65H75/243—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid
- B65H75/2437—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid comprising a fluid-pressure-actuated elastic member, e.g. a diaphragm or a pneumatic tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/10—Forme cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
- B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
- B41P2227/21—Means facilitating exchange of sleeves mounted on cylinders without removing the cylinder from the press
Definitions
- the invention relates to a clamping shaft for clamping an initially movable peripheral part with a chuck for exciting if necessary attachment of the peripheral part and a method for the dynamic stabilization of a tensioning shaft, in which a first Movable part is attached to the clamping shaft if necessary.
- the invention also relates to a System comprising a tensioning shaft and a sleeve and a rotary printing machine.
- Clamping shafts are required for a number of industrial applications.
- tension shafts These are usually rotating parts. These are usually a first movable peripheral part, z.
- a first movable peripheral part, z As a sleeve, via expandable elements on the clamping shaft clamped and thereby fastened excitingly on the tension shaft, so that the Clamping shaft with peripheral part are available for a rotating application.
- the attachment is usually about a frictional connection, in particular a frictional engagement between made the expandable clamping means of the clamping shaft and the peripheral part.
- clamping means are fixed mechanically actuated clamping means as described in EP 0 383 082 A2 known.
- pneumatically or hydraulically expandable Clamping means for clamping a peripheral part on a tensioning shaft.
- tension waves are for example described in US 3,904,144 or EP 0 629 576 A1.
- Tensioning shaft is a longitudinally extending shaft with a circumferential Surface provided on the expandable via a fluid pressure pad for clamping a sleeve are provided.
- Such a tensioning shaft is possibly suitable for achieving a certain concentricity, but not for achieving a concentricity in the range of one hundredths of a millimeter or a few hundredths of a millimeter.
- the tension shaft and the sleeve in terms of roundness and straightness have all known Systems too much play between the tension shaft and sleeve. This causes the Friction between the clamping shaft and sleeve exclusively on the expandable cushion or elements takes place. Solutions for achieving concentricity in the area of Hundredths or a few hundredths of a millimeter are not yet known.
- the invention is based on whose task it is, a tensioning shaft, a system Shaft and sleeve and a rotary printing machine and a method for dynamic Specify stabilization of a clamping shaft, in which a particularly high concentricity is guaranteed.
- the invention is based on a Clamping shaft of the type mentioned, according to the invention additionally a stop means is provided, which is designed, forces exerted by the Aufspannstoff and / or to limit forces exerted by the peripheral part.
- the invention leads to a method in which the object is achieved by a method of the type mentioned above, in which according to the invention exerted by the part Forces are limited by an additional stop means.
- the present invention has recognized that initially movable and then exciting on a Clamping shaft fastened parts as well as the provided clamping means itself initially movable are and for a rotating motion force - in particular frictionally engaged with each other and the tension shaft are attached.
- this does not exclude that in a rotating Application forces occur, which are based on an equilibrium of forces exciting Fixing can bring imbalance and so to a considerable imbalance and nonuniformity.
- the essential insight lies in the occurring Limiting forces and thereby the possibility of a plant, in particular positive Facility to use such moving parts. This is at the Clamping shaft, the system and the rotary printing form provided a stop means. at In the method, the stop means absorbs applied forces and thus limits these forces.
- one or the provided stop means allows a plurality of different Adjustments of the shaft with regard to their dynamic behavior and advantageous settings with regard to their handling.
- clamping sleeves For example, by different thickness slats as Aufspannstoff in a Use of the same clamping shaft core can be used, also different inner diameter use of clamping sleeves. For example, a thicker lamella could be used be used when a thinner clamping sleeve is used as a peripheral part. Furthermore, a thinner blade could be used if a collet with a larger inside diameter is réellespannen. Usually would have for clamping sleeves, each with different Inner diameter and the entire clamping shaft are exchanged.
- a tensioning shaft of the type proposed allows a high rotational accuracy alone in that they in the expanded state in their preparation or subsequently in the Insert can be ground. It also has good wear characteristics, in particular in the case of fluid driven chucks, since there is virtually no mechanical guided and moving parts there.
- a partial or vollumflindliche Stretch layer provided on the tensioning shaft.
- Such a layer does not have to be full be circumferential and could be limited only to the surface of a lamella.
- Under Stretch layer is an elastic layer to understand. The elasticity can be due to the material be given to the expansion layer and / or through depressions or channels in or on the Layer.
- the stretch layer could be provided with a functional profile, for example the supply of coolant or a heating medium allowed. It would be advantageous attach such a functional profile to a fully circumferential layer.
- a tensioning shaft together with the stop means circumferentially surrounding layer advantageous
- An elastic stretch layer offers significant additional benefits. This is how it works occurring force is not directly on the slings, but is first of absorbed the stretch layer. This will be described in detail with reference to the figures.
- a stretch layer allows a progressive depending on the design of their Elastitzticianseigenschaften increasing force counteracting an external force. This leads to particularly good vibration damping properties in a rotating part like the tensioning shaft of a is, in particular in a system of tensioning shaft and peripheral part, in particular a sleeve.
- such a layer is mounted on the tensioning shaft. She could, however be located on the inner circumference of a sleeve.
- the stop means in particular a tie rod to make adjustable. So it is possible the partially introduce into an elastic layer einleitbare force. A peripheral part to be wound up if necessary
- a sleeve namely subject in general depending on the specific application different bends. The compensation of such bends can be advantageous take place over the stretch layer. Setting options for such compensation
- the stretch layer itself offers the stretch layer itself and on the other hand also the slings.
- a Stop means to adjust the forces introduced into an elastic layer.
- the segment becomes a circle segment Understood.
- the number of segments is composed of a fully circumferential Circle whose line may be interrupted but by smaller gaps. segments are to be preferred. However, it could also be slats provided. These would do not necessarily make a circle except for smaller gaps. Slats would only partially be arranged along a circular line.
- a sling can, in particular in a design as a tie rod to the advantageous of Transmission of radial, circumferential and axially acting forces to serve advantageously be designed differently and varied.
- the head profile of a Buchankers be circular, rectangular or star-shaped to a lamella or a Segment and a particularly suitable for a specific application slings to build.
- a total in particular advantageous dynamic behavior is supported by a movement, even in a rotating clamping shaft of the type mentioned, practically only in the elastic coating of the Clamping agent takes place.
- Fluid-based pressure elements and thereby actuated lamellae or segments are fixed in their movement by the stop means.
- the chuck itself is In its position to the tension shaft axis by the stop means absolutely fixed.
- Also within the chuck means a possible relative movement of slats relative to the Pressure elements or against the stop means, in particular one or a number of tie rods, during a rotary or other operation of the tensioning shaft practically locked out.
- Such a movement essentially only takes place during clamping and unclamping of the peripheral part, z. B. a sleeve instead.
- FIG 1 a corresponding clamping shaft 1 according to the prior art with a on this sleeve 2 and occurring forces F1 and F2 shown.
- the forces F1 and F2 the case of the expandable chambers 3a and 3b are the same size and opposite in both chambers.
- the pneumatic chambers thus press on the sleeve and the forces F1 and F2 in the considered horizontal plane are the same size.
- the position of the sleeve with respect to the central axis M1 of the tensioning shaft 1 is therefore indifferent. It turns a middle gap X1 one.
- About the pneumatic chambers 3a and 3b always acts the same force, almost independently of which extent the pneumatic chambers 3a and 3b have. The same applies for the chambers 4a and 4b.
- FIG 2 is a schematic of the load of the system with an externally acting force F5, the on the system of clamping shaft 5 and sleeve 6 acts shown.
- This force can, for example be imprinted by a-Presseur P.
- the forces F3 and F4 of the pneumatic Chambers 7a and 7b are equal and opposite, causes the external force F5 a movement of the sleeve 6 in the direction of the force F5.
- An analog effect would to adjust in the vertical plane of the chambers 8a and 8b. In this example will be the chambers 8a and 8b deformed. The named movement only comes to a standstill when the sleeve 6 touches the tensioning shaft in the area of the chamber 7b.
- the sleeve 6 moves So during a rotational movement and under the influence of an external force F5 constantly in the direction of the force F5 to the clamping shaft 5, so that the sleeve 6 almost never centric to Center axis M1 and the clamping shaft 5 is positioned.
- the extent of the movement is here depending on the existing without load average gap X1, as shown in Figure 1.
- Figure 2 it can be seen that under load of the external force F5, the gap X2 on the Side of the force F5 is less than X1 and the gap X3 on the opposite side of Force F5 is greater than X1.
- the clamped sleeve 6 is thus accelerated by means of ma under the action of an external force F5, where m is the mass of the sleeve and a is the acceleration.
- F5 an external force
- m the mass of the sleeve
- a the acceleration.
- the acceleration of the sleeve by means of ma ends only when it comes into contact with the core of the tensioning shaft 5.
- the forces F4 and F3 are equal and opposite and are not able to center the sleeve 6 on the tensioning shaft 5 according to the prior art.
- FIG. 3 schematically shows a preferred embodiment of the invention.
- a tensioning shaft 9 has a plurality of shell-shaped segments 10, 11, 12, 13 and 14.
- These Segments can be fluid-driven, in particular pneumatic or hydraulic Chambers 15, 16, 17, 18 and 19 are moved radially away from the core of the clamping shaft 9.
- the radial movement of the segments is limited by tie rods 20, 21, 22, 23 and 24. It could be used instead of the segments and lamellae.
- a lamella would have in the circumferential direction a smaller extension than a segment.
- the number of chambers, slats or segments can be varied individually or together as needed. In the preferred embodiment, each five chambers and segments are advantageous.
- the tension shaft is an expansion layer, So an elastic coating 25.
- an elastic coating 25 In the assembled state of the clamping shaft 9 with Sleeve 26 and expanded chambers 15, 16, 17, 18, and 19 become the elastic coating 25 compressed on the segments 10, 11, 12, 13 and 14.
- the thus elastic surface 25th the segments 10, 11, 12, 13 and 14 also advantageously ensures that manufacturing tolerances as roundness and straightness, especially in the parts tensioning shaft 9 and sleeve 26 balanced can be.
- the pneumatic chambers 15, 16, 17, 18 and 19 press on the segments 10, 11, 12, 13 and 14, so that in a clearly defined on the tie rods 20, 21, 22, 23 and 24 position method.
- the friction is not direct, but under the action of the chambers on the Segments and the elastic coating 25 to the sleeve 26 made.
- Part of the forces F7 and F8, provided under the action and by the pneumatic chambers is going into the compression F9 and F12 of the elastic coating of the segments, and another part F10 and F 11 goes into the tie rods.
- the tie rods form a stop the height h for the segments. F9 and F12 are thus frozen in the coating.
- an externally acting force F6 as indicated in Figure 3, a particularly favorable situation.
- the forces acting on them can be represented as follows:
- the total resulting force F13 of the pneumatic chambers is inserted into the tie rods of the corresponding, here left, page, as introduced in the above diagram.
- the drag F14 is provided by the named tie rods of the corresponding side.
- No force acts on the elastic coating in the direction of the external force F6, since cancel the forces F13 and F14.
- the first existing force F12 of the elastic coating in the same direction of the external Force F6 acts on the sleeve, it decreases with increasing external force F6, until it finally reaches the value zero.
- the pneumatic chambers acting in the same direction of the external force would be in the State of the art, however, always press with the same force, which in its sum always the Value zero forms. In the prior art, these thus do not act in the direction of movement the external force.
- the pneumatic provided there serve Clamping elements not for centering a sleeve on a shaft, but they provide only for the transmission of circumferential forces, radial and axial forces acting on the Sleeve act.
- the preferred embodiment also advantageously allows a plurality of different Adjustments of the shaft with regard to its dynamic behavior. So can for example, the frozen tension stored at rest in the elastic layer is to be set.
- the adjustment can advantageously be made via a compressibility or E-modulus or depressions of the elastic coating 25 happen. There is one Transition from modulus of elasticity into the K-modulus range even with small usual forces especially advantageous.
- the adjustment can also be made via compression, i. H. the dimension the inner diameter of the sleeve to the outer dimension of the expanded core without sleeve done.
- the force at rest between the tie rods and the elastic Layer is divided, so for example, the ratio of F12 to F11, set become.
- FIG. 4 is an axial section through a clamping shaft 9 of a preferred embodiment shown as a cross section in Figure 3 is shown.
- Each tie rod shown in Figure 3 20, 21, 22, 23 or 24 can be repeatedly arranged longitudinally along the tensioning shaft to to form a series of tie rods 30 shown in FIG.
- the tie rods 30 are height adjustable embedded in the tensioning shaft 9. For example, they were easiest to settle realize with angled head bolts. Further details about the tie rod 30 of an additional elastic layer or stretch layer 25 and lamellae or segments 10, 11, 12, 13 and FIG. 14 can be found in detail X, which is shown in greater detail in FIG.
- FIG. 5 shows the tensioning shaft 9, which has a core 9a.
- the core 9a is conically tapered towards its end 9b for clamping in a rotary printing machine.
- the oblique head screw could also any other screw be used.
- the head of the screw could also be designed differently. In the present Embodiment, a dovetail fit on the head to the blade is preferred. However, any other fold or fit could be used.
- the head of the screw does not need to be covered by the lamella as in this one Embodiment.
- the head could also stay free. This would have the advantage that the Slat should not be postponed on the anchor head, but the anchor simply could be screwed.
- any other fastener may be used instead of or in addition to a screw serve as anchors.
- dowels could be beneficial.
- a circumferential, in this case, fully circumferential, on the tensioning shaft 9 attached stretch 32 is in this embodiment of a support of the stretch 32b and the Stretching layer 32a itself formed.
- This allows advantageous setting options of Stretching itself, especially in terms of their stability and in terms of dynamic Behavior of the tensioning shaft 9.
- the assembly of stretch layer 32, lamella or segment 31 and clamping shaft 9 is advantageously carried out via a shaped piece 33, which on a Edge of the clamping shaft 9 is seated and holds the said parts in a form-fitting manner.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Winding Of Webs (AREA)
- Gripping On Spindles (AREA)
- Clamps And Clips (AREA)
- Sliding-Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
Description
- Fig. 1:
- eine Spannwelle gemäß dem Stand der Technik mit einer darauf befindlichen Hülse ohne die Beanspruchung durch eine externe Kraft;
- Fig. 2:
- eine Spannwelle gemäß dem Stand der Technik mit darauf befindlicher Hülse unter Beanspruchung einer, beispielsweise durch einen Presseur hervorgerufenen, externen Kraft;
- Fig. 3:
- einen Querschnitt einer Spannwelle gemäß einer bevorzugten Ausführungsform mit einer darauf befindlichen Hülse ohne und unter Beanspruchung einer externen Kraft;
- Fig. 4:
- einen Längsschnitt einer Spannwelle gemäß einer bevorzugten Ausführungsform ohne eine Hülse;
- Fig. 5:
- ein Detail X eines Längsschnitts der Spannwelle gemäß einer bevorzugten Ausführungsform der Figur 4.
Claims (14)
- Spannwelle (9) zum Aufspannen eines zunächst bewegbaren Umfangteils (26), mit einem Aufspannmittel (15, 16, 17, 18, 19) zur bei Bedarf spannenden Befestigung des Umfangteils (26), dadurch gekennzeichnet, daß zusätzlich ein Anschlagmittel (20, 21, 22, 23, 24) vorgesehen ist, das ausgelegt ist, von dem Aufspannmittel (15, 16, 17, 18, 19, 10, 11, 12, 13, 14) ausgeübte Kräfte (F1, F2, F3, F4, F7, F8, F13, F15) und/oder von dem Umfangteil (26) ausgeübte Kräfte (F5, F6) zu begrenzen.
- Spannwelle (9) nach Anspruch 1, dadurch gekennzeichnet, daß das Umfangsteil (26) eine Hülse (26) ist.
- Spannwelle (9) nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß das Aufspannmittel ein fluidgetriebenes Aufspannmittel (15, 16, 17, 18, 19) aufweist.
- Spannwelle (9) nach Anspruch 3, dadurch gekennzeichnet, daß das Aufspannmittel durch Pneumatik- und/oder Hydraulikelemente (15, 16, 17, 18, 19) aktuierte Lamellen (10, 11, 12, 13, 14) aufweist.
- Spannwelle (9) nach Anspruch 4, dadurch gekennzeichnet, daß die Lamelle (10, 11, 12, 13, 14) ein umfänglich zum Körper der Spannwelle (9) angeordnetes Segment ausgebildet ist.
- Spannwelle (9) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Anschlagmittel (20, 21, 22, 23, 24) zur Kraftbegrenzung fest mit dem Körper der Spannwelle (9) verbunden ist.
- Spannwelle (9) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Anschlagmittel (20, 21, 22, 23, 24) einen Anschlag für das Aufspannmittel (10, 11, 12, 13,
- Spannwelle (9) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Anschlagmittel (10, 11, 12, 13, 14) ganz- oder teilumfänglich um den Körper der Spannwelle (9) erstreckt und an wenigstens einer Umfangsstelle durch das Anschlagmittel (20, 21, 22, 23, 24) haltbar ist.
- Spannwelle (9) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das Anschlagmittel einen Zuganker (20, 21, 22, 23, 24) aufweist, welcher einen Anschlag für ein von einem Pneumatik- oder Hydraulikelement (15, 16, 17, 18, 19) aktuiertes Segment oder Lamelle (10, 11, 12, 13, 14) eines Aufspannmittels bildet.
- Spannwelle (9) nach einem der Ansprüche 1 bis 9, gekennzeichnet durch eine außenumfängliche Dehnschicht (25).
- System aus einer Spannwelle (9) nach Anspruch 1 und einer außenumfänglich angeordneten Hülse (26), gekennzeichnet durch eine dazwischen befindliche Dehnschicht (25).
- Rotationsdruckmaschine mit einem System nach Anspruch 11.
- Verfahren zur dynamischen Stabilisierung einer Spannwelle (9), bei dem ein zunächst bewegbares Teil (26, 15, 16, 17, 18, 19, 10, 11, 12, 13, 14) bei Bedarf an der Spannwelle befestigt wird, dadurch gekennzeichnet, daß die von dem Teil (26, 15, 16, 17, 18, 19, 10, 11, 12, 13, 14) ausgeübten Kräfte über ein zusätzliches Anschlagmittel (20, 21, 22, 23, 24) begrenzt werden.
- Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß ein zunächst bewegbares Umfangteil (26) bei Bedarf durch ein zunächst bewegbares Aufspannmittel (15, 16, 17, 18, 19, 10, 11, 12, 13, 14) spannend befestigt wird und die von dem Aufspannmittel (15, 16, 17, 18, 19, 10, 11, 12, 13, 14) ausgeübten Kräfte und/oder die von dem Umfangteil (26) ausgeübten Kräfte über das zusätzliche Anschlagmittel (20, 21, 22, 23, 24) begrenzt werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10151860A DE10151860B4 (de) | 2001-10-24 | 2001-10-24 | Spannwelle, System aus Spannwelle und Hülse und Rotationsdruckmaschine sowie Verfahren zur dynamischen Stabilisierung einer Spannwelle |
DE10151860 | 2001-10-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1306210A2 true EP1306210A2 (de) | 2003-05-02 |
EP1306210A3 EP1306210A3 (de) | 2004-04-14 |
EP1306210B1 EP1306210B1 (de) | 2007-07-11 |
Family
ID=7703180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02023535A Expired - Lifetime EP1306210B1 (de) | 2001-10-24 | 2002-10-22 | Spanwelle, System aus Spannwelle und Hülse und Rotationsdruckmaschine sowie Verfahren zur dynamischen Stabilisierung einer Spanwelle |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1306210B1 (de) |
AT (1) | ATE366659T1 (de) |
DE (2) | DE10151860B4 (de) |
ES (1) | ES2286187T3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006018819B4 (de) * | 2006-04-22 | 2010-08-12 | Saueressig Gmbh & Co. | Spannwelle, System aus Spannwelle und Hülse für eine Rotationsdruckmaschine |
CN109436882B (zh) * | 2018-11-07 | 2023-05-12 | 深圳市欧盛自动化有限公司 | 卷料固定机构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904144A (en) | 1971-07-02 | 1975-09-09 | Giovanni Gattrugeri | Expansible mandrel |
EP0383082A2 (de) | 1989-02-16 | 1990-08-22 | Tidland GmbH | Spannkopf |
EP0629576A1 (de) | 1993-06-15 | 1994-12-21 | Tidland Corporation | Aufspreizbare Welle für Wickelkern |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7220630U (de) * | 1972-06-02 | 1972-08-31 | Rueesch F Maschinenfabrik | Pneumatische spindel |
US4050643A (en) * | 1975-05-15 | 1977-09-27 | Great Lakes Industries, Inc. | Expandable core-shafts |
US4461430A (en) * | 1983-03-01 | 1984-07-24 | Louis Lever | Differential winding air shaft |
IT1269710B (it) * | 1994-02-01 | 1997-04-15 | Ies Srl | Albero espandibile ad azionamento pneumatico con mezzi meccanici di precentraggio per il supporto di bobine e simili |
DE19515724C2 (de) * | 1995-05-03 | 1998-05-28 | Kampf Gmbh & Co Maschf | Friktionswickelwelle zur Aufnahme und zum Antrieb von mehreren, aus Karton oder dergleichen bestehenden Wickelhülsen |
DE19524489A1 (de) * | 1995-07-05 | 1997-01-09 | Deublin Gmbh | Wickelwelle |
DE19709078C2 (de) * | 1997-03-06 | 2002-07-18 | Hermann Essert | Friktionswickelwelle |
US6161478A (en) * | 1999-11-02 | 2000-12-19 | The Holdrite Co., Inc. | Printing cylinder assembly |
-
2001
- 2001-10-24 DE DE10151860A patent/DE10151860B4/de not_active Expired - Lifetime
-
2002
- 2002-10-22 AT AT02023535T patent/ATE366659T1/de active
- 2002-10-22 DE DE50210445T patent/DE50210445D1/de not_active Expired - Lifetime
- 2002-10-22 ES ES02023535T patent/ES2286187T3/es not_active Expired - Lifetime
- 2002-10-22 EP EP02023535A patent/EP1306210B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904144A (en) | 1971-07-02 | 1975-09-09 | Giovanni Gattrugeri | Expansible mandrel |
EP0383082A2 (de) | 1989-02-16 | 1990-08-22 | Tidland GmbH | Spannkopf |
EP0629576A1 (de) | 1993-06-15 | 1994-12-21 | Tidland Corporation | Aufspreizbare Welle für Wickelkern |
Also Published As
Publication number | Publication date |
---|---|
DE10151860B4 (de) | 2004-01-29 |
DE10151860A1 (de) | 2003-05-15 |
ATE366659T1 (de) | 2007-08-15 |
EP1306210B1 (de) | 2007-07-11 |
ES2286187T3 (es) | 2007-12-01 |
DE50210445D1 (de) | 2007-08-23 |
EP1306210A3 (de) | 2004-04-14 |
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