EP0205116B1 - Falzapparat - Google Patents

Falzapparat Download PDF

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Publication number
EP0205116B1
EP0205116B1 EP86107676A EP86107676A EP0205116B1 EP 0205116 B1 EP0205116 B1 EP 0205116B1 EP 86107676 A EP86107676 A EP 86107676A EP 86107676 A EP86107676 A EP 86107676A EP 0205116 B1 EP0205116 B1 EP 0205116B1
Authority
EP
European Patent Office
Prior art keywords
folding
gap
rolls
roll
folding device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP86107676A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0205116A2 (de
EP0205116A3 (en
Inventor
Rudolf Stäb
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.)
Albert Frankenthal AG
Original Assignee
Albert Frankenthal 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 Albert Frankenthal AG filed Critical Albert Frankenthal AG
Publication of EP0205116A2 publication Critical patent/EP0205116A2/de
Publication of EP0205116A3 publication Critical patent/EP0205116A3/de
Application granted granted Critical
Publication of EP0205116B1 publication Critical patent/EP0205116B1/de
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
    • B65H45/18—Oscillating or reciprocating blade folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • 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
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/04—Folding sheets
    • 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
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • 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
    • B65H45/28—Folding in combination with cutting

Definitions

  • the invention relates to a folder according to the preamble of claim 1.
  • a folder of this type is known from GB-A 1 036 778.
  • three transverse folding devices are provided, of which the first flap folding device connected as a band guide to the cross cutting device and the two further transverse folding devices are designed as compression folding devices, which are combined to form a two-stage compression folder, in which the folding gap of the compression folding device, which is at the rear in the direction of travel, at the same time forms the inlet gap of the upset folding device in the running direction.
  • the inlet gap of the rear upsetting device is acted upon by a belt guide.
  • this tape guide ends at a distance from the adjacent inlet gap. Accordingly, the products are transferred between the end of the belt guide and the inlet gap.
  • the integration of the upstream or downstream belt guides in the assigned upset folding device not only ensures a simple and compact design, but also a reliable loading and unloading of the upset folding device assigned in each case.
  • the lack of leadership in the products is complete switched off regardless of the respective product size.
  • Another advantage of the measures according to the invention can be seen in the fact that automatically exactly the same speeds of the rolls of the upset folding device and the belts of the upstream or downstream belt guides result, which likewise increases the functional reliability and the protection of the products.
  • the measures according to the invention greatly simplify the changeover in the event of a change in the product thickness.
  • the measures of claim 2 result not only in an acceleration, but also in a tightening of the products, which facilitates the formation of buckling folds.
  • the folder 1, indicated by dash-dotted outline lines in each case, is arranged in a manner known per se on the front end of a web-fed rotary printing press 2, also indicated by a dash-dotted outline.
  • a paper web 3 printed in the web-fed rotary printing press or a strand of several superimposed webs is drawn over a funnel 4 fastened to the machine frame of the web-fed rotary printing press 2 to form a longitudinal fold.
  • the train follows by means of pull rollers 5 forming the folder inlet.
  • the paper web 3 is divided into sheet-shaped products. These are provided with one or two parallel cross folds and then laid out in the form of a shingled stream.
  • the paper web 3 is subdivided by means of a cross-cutting device 6, which is known per se and consists of a knife cylinder and a grooved cylinder, which is connected to a downstream first cross-folding device 8 via a belt guide 7.
  • the first transverse folding device 8 is provided with a downstream guide 9 second transverse folding device 10 connected.
  • the transverse folding devices 8 and 10 are designed as upsetting folding devices, each of which, as can best be seen from FIG. 2, consists of a practically a cul-de-sac for the upset shaft 11 arriving via the respective upstream belt guide 7 or 9, and three each with the same Circumferential speed driven rollers 12, 13, 14 exist, which are arranged and placed against each other in such a way that on the circumference of the middle roller 13 are offset by less than 180 °, here by 90 °, transport gaps 15 or opposite the input cross section of the compression shaft 11.
  • the rollers 12, 13, 14 are driven such that a transport gap, here the transport gap 15 facing the upstream cross cutter or the upstream cross folding device, acts as a feed gap between the rollers 12 and 13, into which the transport plane of the belt guide 7 or 9 enters .
  • the two outer rollers 12 and 14 are different to adjust the clear width of the transport gaps 15 and 16 and thus to adapt the transport gaps 15 and 16 Product thicknesses adjustable with respect to the middle roller 13, as indicated in FIG. 2 by double arrows. The same applies to the clear width of the compression shaft 11.
  • the diameter of the rollers 12, 13, 14 placed against each other in the area of the transport gaps 15, 16 is dimensioned such that between the two outer, on the circumference of the middle roller 13 by 90 ° offset rollers 12 and 14 results in a larger, the passage window 17 forming distance.
  • the passage window 17 forms the entrance to the compression shaft 11, which is behind it and is open towards the middle roller 13 and accommodated between the two outer rollers 12 and 14.
  • the compression shaft 11 which extends across the entire width of the machine, is inclined out of the belt guide transport plane entering the transport gap 15. In the illustrated embodiment, this inclination is approximately 45 °, i.e. H. the upsetting shaft 11 is arranged with its central plane continuing the belt guide transport plane approximately perpendicular to the plane containing the axes of the two outer rollers 12, 14. The upsetting shaft 11 can be arranged exactly in the middle between the two outer rollers 12 and 14. In the exemplary embodiment shown, the upsetting shaft 11 is slightly offset from the central roller 14, which is assigned to the transport nip 16 acting as a pull-out nip, in order to ensure a good inflow and outflow of the products.
  • the upsetting shaft 11 results as the interior of a configuration which is approximately U-shaped in longitudinal section and is open towards the middle roller 13, the guide walls 18, 19, which are spaced apart from one another and extend over the entire width of the machine, and form a distance between the guide walls 18, due to the parallel legs. 19 bridging, limiting the depth of the upsetting shaft 11, also extending over the entire width of the machine 20 is formed.
  • the parallel guide walls 18, 19 are spaced apart from one another by an interposed spacer bar 21 which is arranged in the region of their ends remote from the roller and are received on a crossmember 22 fastened to the folder machine frame.
  • the clear width between the guide walls 18, 19 is adapted to the thickness of the products entering the upsetting shaft 11.
  • the clear width of the upsetting shaft 11 in the area of the second transverse folding devices 10 is approximately twice as high as in the area of the first transverse folding devices 8.
  • the spacer bar 21 can be replaced, which makes it possible to adapt the clear width of the upsetting shaft 20 to the respective product thickness.
  • the guide walls 18, 19 are tapered and bent to form a V-shaped inlet or outlet gap opening towards the middle roller 13.
  • the leading edge of the products arriving through the belt guide entering the feed gap, drawn in in the area of the feed gap, here the transport gap 15, first passes over the transport gap 16, which is offset by 90 ° with respect to the transport gap 15, and shoots through the passage window 17 into the upsetting shaft 11, as indicated by the arrow 23 in FIG.
  • the area of the respective product bridging the distance between the transport gap 15 and the passage window 17 becomes continuous due to the rollers 12 and 13 which are delimited by the transport gap 15 forming the feed gap 15
  • Replenishment is dipped into the transport gap 16 forming an extension gap, as indicated by the arrows 24 in FIG. 2.
  • the rollers 13 and 14 delimiting the transport gap 16 This is carried along by the rollers 13 and 14 delimiting the transport gap 16, the product section pushed over the transport gap 15 laying down on the product section running out again from the compression shaft 11, forming a transverse fold.
  • the position of this transverse fold depends on the depth of the upsetting shaft 11.
  • the stop web 20 delimiting the depth of the compression shaft 11 is accordingly adjustable over the length of the compression shaft 11. Normally, the stop bar 20 is set so that the transverse fold occurs in the middle of the product, that is to say that the center of the product is above the transport gap 16, which acts as a pull-out gap, when the front product edge in the transport direction hits the stop bar 20.
  • the spacing bar 21 which specifies the clear width of the upsetting shaft 11 is dimensioned such that within the upsetting shaft 11 there is likewise no evasion perpendicular to the transport direction is possible. As a result of the interchangeability of the spacer bar 21, this is readily possible.
  • a further adaptation to the different conditions that result in products of different thickness is possible by pivoting or displacing the entire upsetting shaft 11.
  • the traverse 22 accommodating the compression shaft 11 can simply be arranged so as to be pivotable or adjustable.
  • the guide walls 18, 19, which extend over the entire width of the machine, can be designed as plate-shaped elements.
  • the guide walls 18, 19, as can best be seen in FIG. 3, consist of tongues 25 which are arranged next to one another with a lateral spacing and which extend with their roller-side ends into the region of the two outer rollers 12 and 14, as shown in FIG. 2 best shows.
  • the stop web 20 has between the tongues 25 engaging tabs 26 which are fastened to a bar 27 which is adjustably fixable on one of the guide walls 18 and 19.
  • the tabs 26 engaging between the tongues 25 are simply designed as bent claws of the strip 27 in the exemplary embodiment shown.
  • the tongues 25 of the guide wall near the truss, here the lower guide wall 19, can be attached individually to the crossmember 22, which in turn can be fixed on the machine frame of the folder 1.
  • the tongues 25 of the opposite guide wall, here the upper guide wall 18, can be combined to ensure a simple and quick interchangeability of the spacer bar 21 to form a continuous rake across the entire width of the machine be.
  • the arcuate products produced in each case by means of the cross-cutting device 6 initially have no spacing.
  • gaps are generated between the sheets.
  • these gaps are generated by means of an acceleration device 28 arranged between the cross-cutting device 6 and the first cross-folding device 8 and having a corresponding advance over the speed of the paper web 3.
  • This is formed here by the cutting groove cylinder 6a of the cross-cutting device 6 and the tape guide 7 leading to the first cross-folding device 8, which run at an advance compared to the speed of the paper web 3.
  • the cutting groove cylinder 6a does not have any puncture needles or grippers for grasping the respective path start, but is surrounded in the area of its circumferential area leaving the cutting gap by a band set 7a of the band guide 7 of the same speed resting thereon.
  • the products produced by means of the cross-cutting device 6 run with their product front edge into the wedge between the cutting groove cylinder 6a and the band set 7a of the band guide 7 which comprises this.
  • a certain amount of sheet tensioning takes place due to the advance of the cutting groove cylinder 6a and the band guide 7. After the cut has been made, the desired acceleration is obtained.
  • the band set 7a is adjustable compared to the cutting groove cylinder 6a and is adjusted so that there is no damage to the usually printed surface of the sheet due to the relative speed between the incoming product beginnings and the cutting groove cylinder 6a driven with advance or the belt set 7a running with the same advance.
  • the rolls of the upset folding device forming the first transverse folding device 8 serve as deflection rolls for the belts of the belt guides 7 and 9 and are accordingly driven at a peripheral speed corresponding to the desired belt speed.
  • the belt set 7a comprising the cutting groove cylinder 6a is guided around the central roller 13 and thus passes through both transport gaps 15 and 16.
  • the belt set 7a has a further belt set deflected in the area of a guide device 29 employed on the cutting groove cylinder 6 assigned, which is deflected around the inlet-side outer roller 12 as another deflecting roller.
  • the band guide provided from the first cross cutting device 8 to the second cross cutting device 10 9 is assigned to the section of the set of belts 7a running from the middle roller 13, a further set of belts deflected via the outer roll 14 on the outlet side.
  • the band guide 9 arranged downstream of the first transverse folding device 8 leads directly to a delivery device.
  • the belt guide 9 runs with its transport plane into the upset folding device forming the second transverse folding device 10.
  • a branch 30 branching off from the belt guide 9 in the region of a switch 30 downstream of the first cross-folding device is provided, by means of which the once cross-folded products are thrown into a paddle wheel 32 arranged below it able to deposit the products in the form of a shingled stream on an assigned delivery belt.
  • a deflection roller 33 is provided which returns the belt set 7a which is guided around the middle roller 13 to the cutting groove cylinder 6a and which cooperates with tongues etc. forming the switch 30.
  • the section of the belt set 7a deflected via the deflection roller 33 interacts with another belt set deflected in the region of the tongues forming the switch 30 to form the extension branch 31.
  • the band set of the band guide 9 leading to the second transverse folding device 10 and deflected via the outlet-side outer roller 14 of the first transverse folding device passes over the tongues forming the switch 30 and interacts in the area behind the tongues with another band set also deflected in the area of the tongues.
  • the band guide 9 passes through a longitudinal folding device 34 of a known type, which is provided in a manner known per se with a folding blade and associated folding rollers and a parallel blade device 34 which cooperates with a delivery belt.
  • the extension arm 31 and the longitudinal folding device 34 are passivated.
  • the products are accordingly introduced through the band guide 9 into the second transverse folding device 10.
  • the construction of the upset folding device forming the second transverse folding device 10 corresponds to the construction of the upset folding device forming the first transverse folding device 8.
  • There is only one larger clear width of the compression shaft 11 that takes into account the thickening of the products that occurred due to the first transverse fold.
  • the once folded products can run into the second transverse folding device 10 at a speed corresponding to the pull-out speed in the area of the first transverse folding device 8.
  • the products that have been cross-folded once are delayed in the area in front of the second cross-folding device 10 to such an extent that the gaps between the successive products after the first cross-folding except for a small remainder of the order of magnitude of the gaps generated by the acceleration device 28, that is of about 3 to 5 mm disappear.
  • the rollers of the second cross folder Corresponding upsetting device is accordingly driven at a speed which is reduced by almost 50% compared to the speed of the rollers of the upsetting device forming the first transverse folding device 8.
  • the belt guide 9 simply has two successive sections 9a, 9b which are toothed to one another in the region of their mutually facing ends and which run at mutually graded speeds.
  • the tapes of the two tape guide sections 9a, 9b are laterally offset from one another and set to a gap, so that a mutual interlocking of the two tape guide sections is possible.
  • the belts of the rear belt guide section 9a run at the roller speed of the first transverse folding device 8.
  • the belts of the front belt guide section 9b run here at the roller speed of the second transverse folding device 10 and can therefore, similar to the belts of the first belt guide 7, about the inlet-side rollers 12, 13 of the associated one Cross-folding device, here the second cross-folding device 10, are deflected.
  • the belts which are guided around the middle roller 13 run over a further deflection roller 36 arranged below the roller 13 and act to form an ejection path 38 leading to a bucket wheel 37 with belts which are guided around the outlet-side outer roller 14 and which also have an underneath the outer roller 14, which forms its upper deflecting roller, runs.
  • the rollers of the first or second transverse folding device 8 or 10 which serve as strip deflection rollers, can be provided with the grooves assigned to the strips which are guided around them in order to achieve a smooth working surface.
  • the rollers 13 and 14 which delimit the transport gap 16 on the outlet side are provided with the grooves 40 associated with the belts which are guided around them, so that in the region of the transport gap 16 on the outlet side, in the region of which the fold is formed, gives a smooth work surface.
  • the rollers 12, 13, 14 of the upset folding units provided for forming the first and second transverse folding devices 8 and 10 are driven. This also drives the belts around these rollers. As further shown in FIG.
  • the rollers 12, 13, 14 are provided with drive wheels 12a, 13a, 14a which are arranged in the region of a machine side and are designed here as toothed wheels and which engage with a toothed belt 41 toothed on both sides.
  • the toothed belt 41 is driven by means of a pinion 42 arranged on a driven shaft.
  • Such belts which are not deflected over a roller of an upsetting folder and have to be driven at different speeds, such as in the embodiment according to FIG. 1, the belts interacting with the belt set 7a to form the ejection fastener 31 or the lower belt set of the rear belt guide section 9a also by means of a toothed belt 43 and a drive wheel adjacent to the pinion 42 44 are driven, as shown in Figure 2 further.
  • the embodiment according to FIG. 4 offers the possibility of laying out cross-folded products only once after the second cross-folding device 10.
  • the upset fold device arranged downstream of the first transverse fold device 8 can be passivated.
  • the upset fold device designed here as the second transverse fold device 10 is penetrated by the lower set of belts 50 of the front band guide section 9b running on its middle roll 13.
  • the belt set 50 interacts on the inlet side with belts which are guided around the inlet-side outer roller 12 and on the outlet side with belts which are guided around the outlet-side outer roller 14.
  • the outlet-side outer roller 14 and the upsetting shaft 11 are accommodated here on common bearing plates 51 which can be pivoted about the axis 55 of the inlet-side outer roller 12.
  • the outlet-side outer roller 14 is pivoted to the stationary middle roller 13 and interacts with it to form the outlet-side transport gap, which is offset by approximately 90 ° with respect to the inlet-side transport gap 24.
  • the end shields 51 are pivoted up into the position on which FIG.
  • the pivoting position of the pivotable assembly is selected so that the belt set 50 traveling under the compression shaft entrance 17 is not deflected in the area of the middle roller 13, that is to say that the transport plane of the belt guide 9b is deflected in the area of the middle roller 13 under the two outer rollers 12 and 14 stretched away.
  • the adjustable assembly can be adjusted by actuators acting on the end shields 51, for example in the form of a cylinder-piston unit 52 or a spindle drive, etc.
  • the upsetting shaft inlet 17 can be closed here by a guide device 53 bridging the distance between the two outer rollers 12 and 14 which are spaced apart from one another and which can be designed in the form of a rake consisting of adjacent tongues and which can be releasably fixed to the pivotable end shields 51.
  • a deflection roller 54 is provided which is arranged downstream of the outlet-side outer roller 14 and which, together with the adjacent outer roller 14 and the upset shaft 11, on the axis 55 of the input side outer roller 12 pivotable end shields 51 is included and in which the Compression-folding device exiting, formed by the belt set 50 running on the middle roller 13 and the belt set guided around the outlet-side outer roller 14, engages with the formation of a band kink 56, by means of which the conveyed products are stabilized.
  • the deflection roller 54 in cooperation with a downstream stationary deflection roller 57 and the two outer rollers 12 and 14 of the upsetting folding device only one comparatively flat ribbon kink formed. This becomes ever sharper when the pivotable assembly is swiveled in the direction of arrow 58 and, in the desired working position, which can be defined by stops, reaches the largest belt wrap, which results in particularly reliable transport.
  • the distance of the deflecting roller 54 from the adjacent outer roller 14 is selected so that the length of the belt guide section delimited by the deflecting roller 54 and the adjacent outer roller 14 corresponds at least to the depth of the compression shaft 11.
  • the first upsetting device 8 of the arrangement according to FIG. 1 could additionally or alternatively be passivatable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP86107676A 1985-06-12 1986-06-05 Falzapparat Expired - Lifetime EP0205116B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3520965 1985-06-12
DE19853520965 DE3520965A1 (de) 1985-06-12 1985-06-12 Falzapparat

Publications (3)

Publication Number Publication Date
EP0205116A2 EP0205116A2 (de) 1986-12-17
EP0205116A3 EP0205116A3 (en) 1988-03-30
EP0205116B1 true EP0205116B1 (de) 1991-05-08

Family

ID=6273014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86107676A Expired - Lifetime EP0205116B1 (de) 1985-06-12 1986-06-05 Falzapparat

Country Status (2)

Country Link
EP (1) EP0205116B1 (enrdf_load_stackoverflow)
DE (2) DE3520965A1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE34483E (en) * 1986-05-14 1993-12-21 Strachan Henshaw Machinery Limited Processing paper and other webs
GB8611722D0 (en) * 1986-05-14 1986-06-25 Drg Uk Ltd Processing paper & other webs
DE3618921A1 (de) * 1986-06-05 1987-12-10 Frankenthal Ag Albert Falzapparat
CA2006472C (en) * 1988-12-23 1995-01-10 Roger Robert Belanger Signature handling apparatus
DE3904074A1 (de) * 1989-02-11 1990-08-16 Frankenthal Ag Albert Falzapparat
DE4242542A1 (de) * 1992-12-16 1994-06-23 Heidelberger Druckmasch Ag Produktauslagesystem für Falzapparate an Rotationsdruckmaschinen
CN107074476A (zh) * 2014-06-30 2017-08-18 宝洁公司 用于折叠吸收制品的方法
CN107032164A (zh) * 2017-05-26 2017-08-11 苏州盛达织带有限公司 织带机的导带装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036778A (en) * 1964-01-28 1966-07-20 Ernest Arthur Timson Improvements in or relating to sheet folding apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE40520C (de) * FIRMA KOENIG & BAUER in Kloster-Oberzell b. Würzburg Neuerung an dem unter Nr. 37640 patentirten Falz- und Bogenleit-Apparat
DE524643C (de) * 1926-08-15 1931-05-09 Camco Machinery Ltd Falzmaschine
DE548284C (de) * 1930-07-03 1932-04-20 Gutberlet & Co A Falzmaschine mit zwei Bogenanlegern
DE566502C (de) * 1931-05-24 1932-12-17 Roto Und Debego Werke A G Vereinigte Stauch- und Messerfalzmaschine
US2891791A (en) * 1955-12-19 1959-06-23 Miehle Goss Dexter Inc Jaw folding mechanism
DE1561124B2 (de) * 1966-04-29 1971-03-18 Mathias Bauerle GmbH, 7742 St Ge orgen Stauchfalzmaschine mit falztasche
DE6802168U (de) * 1968-10-14 1969-02-06 Griesser & Kunzmann Kg Maschine zum falzen von folienmaterialabschnitten, insbesondere papierblaettern
US3975009A (en) * 1974-12-23 1976-08-17 Brown Frank H Machine for folding flexible sheets

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036778A (en) * 1964-01-28 1966-07-20 Ernest Arthur Timson Improvements in or relating to sheet folding apparatus

Also Published As

Publication number Publication date
EP0205116A2 (de) 1986-12-17
DE3679107D1 (de) 1991-06-13
DE3520965C2 (enrdf_load_stackoverflow) 1989-07-13
DE3520965A1 (de) 1986-12-18
EP0205116A3 (en) 1988-03-30

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