EP0810175A2 - Dispositif de mise en précontrainte d'un mécanisme d'application d'un couple sur un cylindre de pliage - Google Patents

Dispositif de mise en précontrainte d'un mécanisme d'application d'un couple sur un cylindre de pliage Download PDF

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Publication number
EP0810175A2
EP0810175A2 EP97108280A EP97108280A EP0810175A2 EP 0810175 A2 EP0810175 A2 EP 0810175A2 EP 97108280 A EP97108280 A EP 97108280A EP 97108280 A EP97108280 A EP 97108280A EP 0810175 A2 EP0810175 A2 EP 0810175A2
Authority
EP
European Patent Office
Prior art keywords
torque
torsion bar
cylinder
cylinder according
toothing
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
Application number
EP97108280A
Other languages
German (de)
English (en)
Other versions
EP0810175B1 (fr
EP0810175A3 (fr
Inventor
Mark Anthony Wingate
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0810175A2 publication Critical patent/EP0810175A2/fr
Publication of EP0810175A3 publication Critical patent/EP0810175A3/fr
Application granted granted Critical
Publication of EP0810175B1 publication Critical patent/EP0810175B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/163—Details of folding jaws therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/164—Details of folding blades therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/165—Details of sheet gripping means therefor

Definitions

  • the present invention relates to a device for fast and accurate pretensioning of a tensioning mechanism on a folding cylinder and in particular on folding cylinders with a large number of torsion bars distributed over their outer surface.
  • GB 1 542 554 discloses a folding cylinder for rotary printing presses, in which two disks mounted on an axis form a stable axle body, in which folding flaps are attached. The jaws are actuated via a spindle and a lever by a cam roller moving on a control cam.
  • GB 1 569 545 discloses a web-fed rotary printing press with at least one associated flap folding unit, which can be switched from simple production to collective production and vice versa.
  • Compression springs seated on the body of the jaw cylinder hold control rollers on the surface of a cam attached to the side frame.
  • the folding elements are activated by the rollers running on the control cam.
  • US 4,381,106 discloses a collecting cylinder in a rotary folding machine, which has at least five gripper devices and an equal number of folding devices, which are controlled by fixed cam disks, which are optionally covered by cover cam disks rotating simultaneously with the cylinder axis.
  • the cover cams are driven by the master cylinder main drive, by a gear ratio that can be adjusted to change the ratio of the cover cams to the master cylinder and the cover cam phase relative to the gripper device and thus the operating modes non- Collect, double-collect, triple-collect and partially-collect without the gripping surface of the fixed gripper cam to have to cover constantly during the gripping phase of a respective gripper device.
  • US 4,892,036 discloses a combination of a collecting and folding cylinder device.
  • the control cams are assigned rotatable cam cover plates, which are driven by the main machine drive, e.g. B. driven by a drive wheel connected to the cylinder.
  • the arrangement for a superimposed rotary movement comprises a hollow engagement device which is coupled to a worm gear connected thereto, with axially adjustable bolts engaging in the worm gear and the axial position of the bolts being controlled by an electric servomotor, namely by means of rotation of an adjusting spindle via an adjusting plate can be.
  • the torque at the other end of the torsion bar i.e. on the drive side of the folding cylinder, the torsion bars of which are prestressed at this time, must be checked. If the measured preload is unacceptable, the collar must be released and the process repeated. Therefore, preloading a torque on the torsion bar is a time consuming and tedious process.
  • Large diameter folding cylinders e.g. B. folding knife cylinders
  • jaw cylinders can have up to seven movable jaws. This time-consuming torque preloading and control process is an obstacle to quick assembly and maintenance of folders.
  • a cylinder in a folder comprises a plurality of product gripping devices, each having a control cam and a shaft with a plurality of product gripping devices fastened thereon.
  • a cam roller is attached to the shaft and this is in turn connected to a torsion bar.
  • a torque biasing member is provided by which a torque bias is applied to a torsion bar that holds the cam roller in contact with the cam.
  • a mechanism is provided which enables a minute presetting of the torque preload, ie a preselection which can be determined in a fine adjustment, and which maintains the preloaded torque on the torsion bar.
  • Various such mechanisms for the minute presetting and maintenance of a torque preload are conceivable. There can also be separate mechanisms for the presetting and the maintenance of the prestressed torque are used.
  • the mechanism for minute presetting and for maintaining the torque preload comprises a first end toothing on the inner end face of the torque prestressing element and a second end toothing on the outer end face of an opposite element.
  • the opposite element is attached to the operator end of the cylinder, and the first end toothing meshes with the second end toothing.
  • the torque preload applied to the torsion bar is set minute by a relative movement between the first and the second front toothing.
  • the minute presetting and torque biasing mechanism includes a ratchet wheel mounted on the torsion bar with external peripheral teeth.
  • a pawl engages one or more teeth of the ratchet wheel and the torque preload applied to the torsion bar is pre-set minute by relative movement between the outer circumferential teeth and the pawl.
  • the mechanism for the minute adjustment and the maintenance of the torque preload comprises an adjusting member fastened to the operator-side end of the torsion bar, an eccentric and a locking lever.
  • the adjustment member has a radially extending arm.
  • the locking lever engages with its first end in an outer end of the radially extending arm and with its second end it is in contact with the eccentric. The movement of the eccentric causes a minute adjustment the torque bias on the torsion bar by changing the position of the radially extending arm.
  • the torque bias on the torsion bar can be fine tuned. It has z. B. pointed out that in the first and second embodiment, the tooth pitch of the toothing can be set so that a change in the torque preload of +/- 5 ft lbs per tooth can be achieved. Accurate setting of the torque preload can prevent premature wear of cam rollers and bearings due to too high or too low a torque preload. Since a predetermined torque can be applied, maintained and regulated in a very precisely defined and narrow area, the operator is now able to make minute adjustments instead of having to apply the torque again essentially from zero. The minute setting of the torque also allows the torque on each torsion bar to be fine-tuned so that constant torque settings can be achieved from one torsion bar to another around the cylinder.
  • FIGS 1 and 2a show a folder in which the present invention can be used.
  • Fig. 1 shows a side view of the folder with folding cylinders for the simultaneous transport of a plurality of copies.
  • the set of first conveyor belts 4 is partly guided around the circumference of the product-carrying cylinder 7 via a number of rollers 8 .
  • each set of belts has a tensioning mechanism 6 of conventional construction.
  • the products are held by the set of first conveyor belts 4 on the circumference of a product-carrying cylinder 7 and are gripped by gripping elements which are located on the circumference of the product-carrying cylinder 7 but are not shown.
  • Folding knives (not shown) on the product-carrying cylinder cooperate with folding jaws 16 on the folding jaw cylinder 11 in order to transfer the printed products to the folding jaw cylinder 11 in a transfer area 10.
  • the gripping elements, folding knives and folding flaps are activated by respective cam rollers, which are held on the surface of the respective control cams by prestressed torsion bars.
  • a folding jaw cylinder 11 is located on the product-carrying cylinder 7.
  • the folding jaws 16 located on the surface 18 of the folding jaw cylinder 11 are not shown in detail.
  • Each folding flap 16 has movable flaps (not shown) which are activated by cam rollers 19.
  • the cam rollers 19 are on Torsion bars 20 applied torque preload held on the surface of the cam.
  • FIG. 2a shows a partial side view of the cylinder 11 in detail.
  • the surface 18 of the cylinder 11 has grooves 15 extending circumferentially.
  • Seven rows of folding jaws 16 are arranged around the circumference 18 of the cylinder (11).
  • Each folding flap 16 consists of a set of immovable flaps 24 and a set of movable flaps 25.
  • Each set of movable flaps 25 is activated by a cam roller 19.
  • the surface of the cam roller 19 moves on a cam surface 23 of a cam 22.
  • the cam roller 19 is driven onto the cam surface 23 of the cam 22 by a torsion bar 20 assigned to the movable flaps 25.
  • the torque preload applied to the torsion bar 20 is transmitted to the cam roller 19 by an arm 21.
  • the amount of torque preload applied to the torsion bar 20 is preferably low enough to prevent premature wear of bearings and cam rollers and high enough to prevent the cam rollers 19 from lifting off at high speeds.
  • the torque preload applied to the torsion bar 20 usually varies e.g. Between 85 ft lbs and 95 ft lbs for each torsion bar 20 associated with cylinder 11. Cylinder 11 rotates about axis 27 in one direction 29.
  • Cylinder 11 includes an oil supply line 26 associated with the bearings on each set of movable jaws 25.
  • the folding jaws 24, 25 of FIG. 2a can of course also be replaced by folding knives, gripping elements or pin needles.
  • FIGS. 2b and 2c show a longitudinal section of the cylinder 11 with a torque application mechanism 470 of the prior art, which comprises a first hexagonal element 72 and a collar 74.
  • the cylinder 11 is in respective Bearings 32, 33 stored in the operator-side and drive-side frame 31, 30.
  • the bearings 32, 33 are located on the axis of rotation 27.
  • An oil distributor 34 connected to an oil supply line 26 keeps the bearings in the cylinder 11 lubricated.
  • a control cam 22 is arranged on the drive-side frame 30 and is fastened in a frame.
  • the control cam 22 has a cam surface 23 for guiding the cam roller 19.
  • the set of movable jaws 25 is arranged on a shaft which is supported in the outer periphery of the jaw cylinder 11.
  • a torsion bar 20 extends from the transmission end of the cylinder (ie, the cylinder end closest to the transmission side frame 30) to the operator end of the cylinder.
  • a first hexagonal element 72 for applying a torque preload is attached to the operator-side end and a second hexagonal element 73 for controlling a torque preload is attached to the transmission-side end of the torsion bar 20.
  • a collar 74 is located at the operator end of the cylinder 11. To bias a torque to be applied to the torsion bar 20, a torque wrench is used with which a predetermined torque is applied to the first hexagonal element 72. When the predetermined torque is reached, the collar 74 fixes the torsion bar 20 in position.
  • the torque wrench is then attached to the second hexagonal element 73 in order to control the torque on the transmission-side end of the torsion bar 20. If the torque on the transmission end is incorrect, then the collar 74 and thus the torque tension on the torsion bar is released and the process must be repeated. However, in this construction, as mentioned above, the tension of the torque on the torsion bar 20 is not completely released when the collar 74 is released. In addition, the torque required to overcome the internal friction of the collar changes from torsion bar to torsion bar around the cylinder. In addition, the torque applied for biasing the torsion bar must be higher than the torque desired on the cam roller 19 to overcome the internal friction of the collar construction.
  • FIGS. 3a and 3b show an adjusting device 47 according to the first exemplary embodiment of the present invention, with an end toothing 38 and 43 on the components 28 and 35 for maintaining a torque preload.
  • Figure 3a shows a partial side view of a cylinder 11.
  • a torsion bar 20 e.g., a torque loading member
  • the torsion bar 20 is provided with a torque biasing element 28 (e.g. a hexagonal part) which fits into a torque wrench.
  • a torque biasing element 28 e.g. a hexagonal part
  • the torque biasing element 28 is shown seated on the torsion bar 20.
  • a bracket 36 and a bearing element 40 are, for.
  • the bearing element 40 contains a bearing 39, in which the shaft 42 is received and thus can rotate freely within the cylinder 11.
  • an annular element 35 with front teeth 38 is attached on the bearing element 40.
  • the torque biasing element 28 also has an end toothing 43 and is located on the end part of the torsion bar 20, as shown in Fig. 3b.
  • the torque of the torsion bar 20 is prestressed by rotating the torque prestressing element 28 counterclockwise via the front toothing 38.
  • the tooth pitch of the front teeth 38, 43 allows for minute adjustment of the torque preload on the torsion bar 20.
  • the torque preload element 28 is rotated around a tooth with a key (or other suitable object)
  • an increase or reduction can be made of the torque on the torsion bar 20 of approximately +/- 5 ft lbs can be achieved.
  • This fine tooth pitch allows the operator to slightly increase or decrease the torque applied to the torsion bar 20 by rotating the element 28 clockwise or counterclockwise.
  • teeth 38, 43 divide far enough during preload adjustment so that member 28 can rotate relative to member 35.
  • the teeth 38, 43 are arranged in such a way that the element 28 is fixed in its position after the prestressing of the torque has taken place by rotating the element 28 in the counterclockwise direction.
  • the adjuster 47 replaces the prior art torque clamping mechanism 470.
  • a torque wrench is used, with which the element 28 is subjected to a predetermined torque.
  • the torque wrench is then applied to the second element 73 shown in FIG. 2c in order to measure the torque on the transmission-side end of the torsion bar 20. If the torque on the gear-side end proves to be incorrect, then the torque can be fine-tuned according to the present invention by rotating element 28 tooth by tooth until the torque measured on the gear-side is correct.
  • the torque on the torsion bar 20 can be readjusted by the adjusting device 47 without eliminating the existing torque.
  • FIGS. 4a and 4b show an adjusting device 47 according to a second exemplary embodiment of the present invention, in which a torsion bar 20 is pretensioned by means of a ratchet wheel.
  • Fig. 4a shows part of the end face of a folding knife cylinder 11 (or jaw cylinder) with an adjusting device 47 assigned to this end face.
  • a ratchet wheel 48 with a circumferential toothing (or partial toothing) is mounted on the end part of the torsion bar 20.
  • the toothing preferably has a fine tooth pitch.
  • a spring-loaded rotatable pawl 49 is assigned to the toothing of the ratchet wheel 48.
  • the pawl 49 engages in one or more of the teeth of the ratchet wheel 48.
  • the ratchet wheel 48 can be rotated by a key that is attached to the torque biasing element 28.
  • the element 28 is in turn attached to the end part of the torsion bar 20.
  • the tooth pitch of the ratchet wheel 48 allows a minute adjustment of the torque to be applied to the torsion bar 20.
  • a spring 50 contacting the pawl 49 is mounted in an annular element 45 which is fixed on the bearing element 40 and the holder 36 by means of fastening elements 37.
  • the adjusting device 47 can be used to turn the ratchet wheel 48 counterclockwise, tooth for tooth, for a very fine adjustment of the torque preload. It has z. B. proved that this construction allows adjustment in a range of +/- 5 ft lbs.
  • the pawl 49 has a release mechanism, not shown, so that the ratchet wheel 48 can rotate clockwise by one or more teeth if the torque is too high.
  • the torsion bar 20 on which the ratchet wheel 48 is supported extends through the hollow interior of the shaft 42.
  • Folding knives or folding jaws
  • a bracket 36 is attached to the end face of the cylinder 11 '.
  • Bearings 39 are located in a bearing housing 40, which in turn is attached to the holder 36.
  • the ratchet wheel 48 is surrounded along its circumference by an annular element 45, which in turn is attached to the bearing housing 40.
  • a plate 46 is attached to the annular member 45 by holders 37, covering the outside of the ratchet wheel 48.
  • the holders 37 extend further through the bearing housing 40 and into the holder 36. Of course, separate holders can alternatively be used to fasten the cover plate 46 to the annular element 45.
  • FIGS. 5a and 5b show a third embodiment of an adjusting device 47 according to the present invention.
  • the torsion bar 20 is assigned to a folding knife cylinder 11 '(or folding jaw cylinder).
  • the torque biasing element 28 is attached to the operator end of the torsion bar 20.
  • the torsion bar 20 extends axially through the shaft 42, as described above with reference to FIGS. 3 and 4.
  • a disc-shaped member 51 with a radially extending arm 52 and a biasing member 28 is at the operator end of the torsion bar 20 attached.
  • the arm 52 is in engagement with a locking lever 54 which is rotatably mounted on an eccentric 55.
  • a holder 36 is attached to the end face of the cylinder 11 '.
  • bearings 39 there are bearings 39 in a bearing housing 40, which in turn is attached to the bracket 36.
  • the shaft 42 is rotatably supported in the bearings 39.
  • Strips 56, 57 are fastened to the bearing housing 40 by means of holders 37 and serve to guide the movement of the rotatably mounted disc 51.
  • the disc 51 has an annular surface which is located inside the bearing housing 40.
  • a torque can be preloaded on the torsion bar 20 by applying a torque wrench to the torque preload element 28. Once the torque is biased, the lock lever 54 engages the arm 52. Then the torque can be finely adjusted by adjusting the eccentric 55 as follows: The movement of the eccentric 55 triggers a corresponding vertical movement of the locking lever 54 and this in turn adjusts the rotational position of the disk 51 via the arm 52. The rotational movement of the disk 51 adjusts the torque preload to be applied to the torsion bar 20. Once set, the torque can be eliminated to e.g. B. to perform maintenance on the cylinder, the torque can be applied again without re-adjusting the position of the eccentric.
  • the adjusting device 61 comprises a plate 62 which can be moved in an arc 80 by means of lifting screws 69.
  • the sheet 80 can e.g. B. concentric with the pivot point of the shaft 42 and / or the torsion bar 20.
  • the plate 62 is provided with elongated holes 67, in which bolts 68, which enable the movement of the plate 62, are received.
  • a pawl 65 is attached to the plate 62 and engages one or more teeth 70 of the ratchet wheel 66 when the ratchet wheel 66 rotates clockwise.
  • the Gearing on a fine tooth pitch.
  • the ratchet wheel 66 is in turn mounted on the torsion bar 20 in the same manner as described in connection with FIGS. 5a and 5b.
  • the ratchet wheel 66 and the torsion bar 20 can be rotated by attaching a key to the torque biasing element 28. After the torque on the torsion bar 20 is biased, the rotation of the ratchet wheel 66 is blocked by the pawl 65.
  • the pawl is attached with a shoulder bolt and z. B. tensioned by a spring 64.
  • a torque wrench is used to preload a torque to be applied to the torsion bar 20 in order to apply a predetermined torque to the element 28. Then, the torque wrench is attached to the second member 73, not shown, to measure the torque on the transmission end of the torsion bar 20, and if this torque proves to be incorrect, according to the present invention, the torque can be fine-tuned by rotating the member 28 Tooth 70 for tooth 70 take place until the torque measured on the gearbox side is correct. Even finer torque settings can be achieved by changing the position of the plate 62 by turning the lift screws 69. Thus, rotary movements of the ratchet wheel 66, which are smaller than the tooth pitch of the toothing 70, can be achieved, so that the torque fluctuations are less than z. B. +/- 5 ft lbs.
  • FIG. 7 shows an adjusting device 61 according to a further exemplary embodiment of the invention.
  • the plate 62 is replaced by an arcuate plate 62 'with elongated holes 67.
  • the bolts 68 screwed into the elongated holes 67 allow the plate 62 'to move over the elongated holes 67 in an arc 80'.
  • the pawl 65 is located approximately in the middle of the arcuate plate 62 '.
  • the jackscrews 69 abut an arm 81 of the arcuate plate 62 'to change the position of the arcuate plate 62'.
  • FIGS. 8a and 8b show two views of an adjusting device according to the present invention, which are attached to the operator-side end of a torsion bar.
  • the setting device 47 shown corresponds to the exemplary embodiment in FIGS. 4a and 4b.
  • the spring-loaded pawl 49 and the spring 50 are not shown.
  • the adjustment devices of the exemplary embodiments shown in FIGS. 3, 5, 6 and 7 could also be used.
  • the torsion bar 20 extends through the hollow interior of the shaft 42 and is connected to the torque biasing element 28 by an adjusting screw 41.
  • the shaft 42 is rotatably supported in bearings 39 and 60.
  • Movable flaps 25 are connected to the shaft 42 by holders 85. When the shaft 42 rotates, the movable flaps 25 cooperate with respective fixed flaps on the surface 18 of the jaw cylinder 11 to grasp and release printed products.
  • the bearing 60 is lubricated by an oil supply line 26 in order to maintain the smooth rolling contact of the shaft 42.
  • the torque biasing element 28 applies a torque to the ratchet wheel 48.
  • the ratchet wheel 48 is encased by a ring 45 and a plate 46. As shown in Fig. 4a, the ratchet wheel 48 has an external toothing which engages in a pawl 49.
  • a predetermined torque is applied to the element 28 using a torque wrench.
  • the application of a torque to the torsion bar 20 presses the cam roller 19 against the cam surface 23 of the cam 22.
  • the torque wrench is applied to the second element 73 shown in FIG Measure torque on the transmission end of the torsion bar 20. If this torque proves to be incorrect, one can, according to the present invention, by rotating the element 28 tooth by tooth Fine-tune the torque until the torque measured on the gearbox side is correct.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP97108280A 1996-05-30 1997-05-22 Dispositif de mise en précontrainte d'un mécanisme d'application d'un couple sur un cylindre de pliage Expired - Lifetime EP0810175B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US655503 1996-05-30
US08/655,503 US5924970A (en) 1996-05-30 1996-05-30 Device for preloading a torque loaded mechanism on a folding cylinder

Publications (3)

Publication Number Publication Date
EP0810175A2 true EP0810175A2 (fr) 1997-12-03
EP0810175A3 EP0810175A3 (fr) 1998-06-10
EP0810175B1 EP0810175B1 (fr) 2002-08-21

Family

ID=24629157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108280A Expired - Lifetime EP0810175B1 (fr) 1996-05-30 1997-05-22 Dispositif de mise en précontrainte d'un mécanisme d'application d'un couple sur un cylindre de pliage

Country Status (4)

Country Link
US (1) US5924970A (fr)
EP (1) EP0810175B1 (fr)
JP (1) JPH1053374A (fr)
DE (2) DE19721389A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59703827D1 (de) * 1996-10-25 2001-07-26 Koenig & Bauer Ag Falzapparat
JP3382956B2 (ja) 1996-12-21 2003-03-04 ケーニツヒ ウント バウエル アクチエンゲゼルシヤフト 折り胴
JP2001212932A (ja) * 2000-02-02 2001-08-07 Komori Corp 胴の支持構造
US20050272586A1 (en) * 2004-06-04 2005-12-08 Germain Patrick C S Gripper for a web folding cylinder
DE102005052661A1 (de) * 2005-11-04 2007-05-10 Man Roland Druckmaschinen Ag Falztrommel
US20070135286A1 (en) * 2005-12-12 2007-06-14 Goss International Americas, Inc. Device and method for driving cam masks in a folder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991072A (en) * 1957-03-09 1961-07-04 Maschf Augsburg Nuernberg Ag Folding gripper control means in rotary printing machines
US3455547A (en) * 1967-07-12 1969-07-15 Planeta Veb Druckmasch Werke Drive mechanism for sheet turning device in multicolor printing machines
JPS57175662A (en) * 1981-04-22 1982-10-28 Hitachi Seiko Ltd Chopper for folding unit in rotary printing machine

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Publication number Priority date Publication date Assignee Title
US2435881A (en) * 1945-11-28 1948-02-10 Time Inc Web folding mechanism
US2624572A (en) * 1948-11-19 1953-01-06 Hoe & Co R Folding cylinder blade adjusting mechanism
US3865361A (en) * 1973-09-11 1975-02-11 John C Motter Printing Press C Folder cylinder
DE2647835C3 (de) * 1976-10-22 1980-05-29 Albert-Frankenthal Ag, 6710 Frankenthal Falzklappenzylinder für Falzapparate von Rotationsdruckmaschinen
DE2714915A1 (de) * 1977-04-02 1978-10-05 Koenig & Bauer Ag Rollenrotationsdruckmaschine
US4381106A (en) * 1981-06-08 1983-04-26 Motter Printing Press Co. Collect cylinder for a rotary folder
DE3810439C1 (fr) * 1988-03-26 1989-08-10 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4037130A1 (de) * 1990-04-26 1991-11-07 Roland Man Druckmasch Vorrichtung zum verstellen der falzklappen an einem falzklappenzylinder
US5522586A (en) * 1994-09-07 1996-06-04 Rockwell International Corporation Folding apparatus with multiple speed folding jaw cylinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991072A (en) * 1957-03-09 1961-07-04 Maschf Augsburg Nuernberg Ag Folding gripper control means in rotary printing machines
US3455547A (en) * 1967-07-12 1969-07-15 Planeta Veb Druckmasch Werke Drive mechanism for sheet turning device in multicolor printing machines
JPS57175662A (en) * 1981-04-22 1982-10-28 Hitachi Seiko Ltd Chopper for folding unit in rotary printing machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 7, no. 20 (M-188) [1165] , 26.Januar 1983 & JP 57 175662 A (HITACHI SEIKO), 28.Oktober 1982, *

Also Published As

Publication number Publication date
US5924970A (en) 1999-07-20
DE59707993D1 (de) 2002-09-26
EP0810175B1 (fr) 2002-08-21
EP0810175A3 (fr) 1998-06-10
DE19721389A1 (de) 1997-12-04
JPH1053374A (ja) 1998-02-24

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