US3784187A - Folding apparatus - Google Patents

Folding apparatus Download PDF

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Publication number
US3784187A
US3784187A US00102341A US3784187DA US3784187A US 3784187 A US3784187 A US 3784187A US 00102341 A US00102341 A US 00102341A US 3784187D A US3784187D A US 3784187DA US 3784187 A US3784187 A US 3784187A
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United States
Prior art keywords
web
sections
mode
transfer roll
page
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
US00102341A
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English (en)
Inventor
S Takayanagi
T Nimoda
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.)
Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
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Publication of US3784187A publication Critical patent/US3784187A/en
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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
    • B65H45/168—Rotary folders with folding jaw cylinders having changeable mode of operation
    • 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

  • ABSTRACT A web transferring, cutting and folding apparatus shiftable between two modes of operation for producing from a continuous web, either two streams of eight page sections or one stream of 16 page sections. In the first mode, two triangular formers double and redouble the web about its longitudinal axis. Then it is cut into single width, double length and finally single width, single length eight page sections which are alternately forwarded to separate streams.
  • one triangular former doubles the web about its longitudinal axis. Then it is cut into double length, double width sections which are next folded into sin gle length double width sections transversally and forwarded in one stream to a right angle folding unit which folds these sections about the longitudinal axis into single length, single width 16 page sections/1n shifting between the two modes, most of the apparatus is relatively rotated 90 to alternatively utilize or by pass the one of the two triangular formers.
  • This invention relates to a folding apparatus for folding the web which is continuously printed as by a rotary press and discharged out to be folded, and more specifically to improvements of folding apparatus. which make it possible to obtain 8- and l6-page sections on a single folder unit.
  • This invention resides in a folding apparatus comprising a first triangular former, a second triangular former provided downstream of the first triangular former and alongside the path of the web, in the direction to cross the first triangular former, a folding cylinder disposed at right angles to the path of the web downstream of the second triangular former and which has serration receivers, needles, and folding blades operation for obtaining 8-page sections, a first serrated cutter having serrations which is located parallelly alog one side of the folding cylinder, a second serrated cutter having needles and serrations in vertically spaced relationship and which is located parallelly along the other side of the folding cylinder, a gripping cylinder having needles and grippers for obtaining 8-page sections, two sets each of section conveyors engaged with the second serrated cutter and the gripping cylinder, and a housing which supports the folding cylinder, first and second serrated cutters, gripping cylinder and two conveyors and which is.
  • the object of the invention is to provide a folding apparatus of an extremely simplified construction which is free from the disadvantages of the conventional arrangements, in which two tiangular formers and two serrated cutters are provided and the housing that supports the serrated cutters, folding cylinders, gripping cylinder, etc. can be turned as a whole at certain angles. 8
  • the first triangular former and the second triangular former crossing the same are arranged along the path of the web that comes out as from a rotary press, the
  • second serrated cutter is located on the other side of the folding cylinder, the housing is made turnable at certain angles with respect to the path of the web, and the folding blades of the folding cylinder andthe grippers of the gripping cylinder are designed so that their operations can be stopped as desired.
  • This folderconstruction enables the web to be folded into 8 pages as it simply passes along the first and second triangular formers.
  • the folded paper is then led by way of the first serrated cutter and the folding cylinder simultaneously on two, lines, i.e., one line consisting of the second serrated cutter and the associated conveyor, and the other line consisting of the gripping cylinder and the associated conveyor, to be delivered out as 8-page sections.
  • the folding apparatus can produce l6-page sections just as by ordinary folders.
  • the apparatus as a whole is turned to a position at a right angle to the path of the web, and the second serrated cutter is disengaged from the folding cylinder so that the transfer of sections to the cutter is discontinued while, at the same time, the web is passed along the first triangular former.
  • l6-page sections can be formed on a single unit of folding apparatus.
  • the present invention has great practical advantages in that it permits folding of paper into sections as desired with a limited initial investment and a minimum of labor.
  • FIG. 1 is a diagrammatic view explanatory of an embodiment of this invention
  • FIGS. 2 and 3 are perspective views illustrating the relative positions of first and second triangular formers and folding arrangement in operation, FIG. 2 showing the folding arrangement located normal to the direction in which web is fed to produce the same sections as by a conventional arrangement, and
  • FIG. 3 showing the same folding arrangement of FIG. 2 turned at an angle of 90 from the position of FIG. 2;
  • FIG. 4 is a schematic view explanatory of the operating principles of the embodiment.
  • FIG. 1 a first triangular former 1 is shown located at the leading end of web in the same way as in a conventional folding apparatus.
  • the web runs, by its own tension, along the triangular former l and the front end portion is continuously folded into two.
  • a second triangular former 2 generally of the same construction as the first triangular former l, is located therebelow in such a position as to cross the first triangular former l substantially at right angles thereto.
  • the web folded by the first triangular former 1 is again folded into two as it passes along the second triangular former 2.
  • the web thus reduced to about a quarter of the original width is fed downward.
  • Groups of nip rollers 3, 3 are arranged, respectively, below the firs and second triangular formers 1, 2. They pull the web downstream of the triangular formers 1, 2 so as to give tension to the web and also set the folds of the web already folded by the triangular formers.
  • Numeral 4 denotes a serrated cutter of a known design equipped with serrations 11 on the circumference and which constitutes a first serrated cutter.
  • Numeral 5 designates a folding cylinder which, like an ordinary folding cylinder, carries on the circumference first and second serration receivers 6, 9, needles 7 and folding blades 8, in such a manner that needles 7 and folding blades 8 can be urged out or into the cylinder body by suitable cam means.
  • a serrated cutter 10 to constitute a second serrated cutter is provided with serrations 11 and needles 7' which can be urged out or into the cylinder body by suitable cam means.
  • This secon serrated cutter is attached to the housing 21 engageably with the folding cylinder 5 in the manner to be described later.
  • spindle 12 for the second serrated cutter 10 is borne by an eccentric bearing 13, so that the second serrated cutter 10 can be moved inot or out of contact with the folding cylinder 5 by the combined action of a pressure-fluid cylinde 14 and a connecting rod 15 interposed between the eccentric bearing 13 and the housing.
  • a gripping cylinder 16 has on the circumference grippers 17 of the known type as well as needles 7" similar to the needles 7, 7' which are provided, respectively, on the circumferences of the folding cylinder 5 and the second serrated cutter 10 in such a manner as to come out or into the respective cylinder bodies.
  • Two pairs of conveyors I8, 19 are extended to regions above the second serrated cutter 10 and the gripping cylinder 16, respectively. Each pair holds and carries the 8-page sections formed by the preceding cylinders toward sub.- sequent stations.
  • a right-angle folding unit 20 of a known design is disposed on the path of the conveyor 19.
  • a pivotal shaft 22 is provided for the housing 21 of 4 the folding apparatus that supports the components above described.
  • Shown at 23 is a bearing and at 24 is a toothed wheel formed on the underside of the housing 21.
  • the toothed wheel 24 is in mesh with a toothed wheel 26 adapted to be driven by a motor 25 installed on the floor.
  • a power transmission mechanism of chain-sprocket type may be employed.
  • Rollers 27 secured to the underside of the housing 21 bear the total weight of the folding apparatus and also serve to guide the turning of the apparatus in the way to be described later.
  • the second serrated cutter 10 is brought into and out of engagement with the folding cyliner 5 by means of the pressure-fluid cylinder 14 which causes rotation of the eccentric bearing
  • the cylinder 14 may be replaced by a gear driving mechanism having gear in mesh with a gear in place of the eccentric bearing (13).
  • Web end that comes out of a rotary press (not shown) is, in the first place, folded into two by the first triangular former 1 and is guided by hand to the second triangular former 2 thereby to be again folded into two, and then is led to the nip between the first serrated cutter 4 and the folding cylinder 5.
  • the web automatically passes along the first and second triangular formers 1, 2 and through the nip between the first serrated cutter 4 and the folding cylinder 5'where it is cut off through the co-operation of serration 11 on serrated cutter 4 and serration receiver 6 on folding cylinder 5, and at the same time, the cut leading edge is caught by the needles 7 on the folding cylinder 5.
  • serrations l1, and serration receivers 6 and needles 7 are so arranged on the serration cutter 4 and on the folding cylinder 5v that they meet cooperatively.
  • the preceding section is yet carried by the needles 7 on folding cylinder 5 and when its leading edges comes to the nip between the folding cylinder 5 and the gripping cylinder 16, the needles 7 are urged into the folding cylinder 5 by the same means and at the same time the needles 7" are urged out of the gripping cylinder 16 and catch the the sections.
  • the preceding sections having 8 -pages and desired size, are delivered via gripping cylinder 16 and conveyor 19.
  • the trailing sections are having 8- pages and desired size, are delivered via the second serration cutter l and the conveyor 18.
  • the positions of the needles 7' and serrations 11 on the second serrated cutter l0 and the matching positions of the serrations receivers 9 on the folding cylinder that correspond to the serrations 1 l, and also the operative relations between the needles 7' and serrations 1 1' are prearranged by adjusting the relative positions of the folding cylinder 5, gripping cylinder 16 and second serrated cutter 10, controlling the operation timing and the actuation of cams not shown in order housing 21 of the embodiment above described is capable. of being'turned at'an angle of 90 with respect to that the slitted paper caught by the needles 7 of the tracted by suitable cam means (not shown).
  • the second serrated cutter of the embodiment is built engageably with the folding cylinder 5, and the folding apparatus as a unit can be turned at an angle of 90 from a given position because the housing2l is turnable itself.
  • This construction not merely permits production of 8-page sections in two lines but, in addition, renders it possible to obtain 16- page sections where necessary in the same fashion as on a conventional equipment. The operation for the latter case will be briefly explained hereunder in conjunction with FIGS. 2 and 4. First, the housing 2l'is turned 90 about the pivotal shaft 22 in the direction indicated by an arrow A in FIG. 2, to a position normal to the direction wherein the web is being introduced.
  • the second serrated cutter 10 is disengaged from the folding cylinder 5 to the position indicated by an alternate long and two short dashes line in FIG. 4. Following this, the web is led from the first triangular former 1 directly into the nip between the folding cylinder 5 and the first serrated cutter 4, by-
  • the folding blades 8 on the folding cylinder 5 are caused to function, while the needles 7" on the gripping cylinder 16 are kept inoperative that is, when the middle line of the cut web, carried by the needles 7 with the folding cylinder 5, having 4-page and two-times longerand wider than finally expected products, comes to the nip between folding cylinder 5 and gripping cylinder 16, the folding blade 8 urges out of the cylinder surface and through the co-operation of this folding blade 8 and gripper 17, the cut web is gripped by the gripper 17, being folded into half and carried via gripping cylinder 16 and conveyor 19 to the right-angle folder 20, where the section is subjected to right-angle fold, thus being produced l6-page section.
  • the right-angle folding unit 20 may be shifted for use according to the necessity.
  • the folding apparatus of this invention makes it possible to obtain 8 -page sections simultaneously in two rows on a single machine and also obtain, if necessary, l6-page sections as on ordinary apparatus, thus attaining high productivity and economy of labor with low initial investment to excellent practical advantage.
  • the housing 21 is not always required to be turnable at the angle of
  • the rnachine disclosed herein has two modes of operation: one is explained in the specification with reference to FIG. 2 and the other is explained with reference to FIG. 3.
  • the machine itself is best understood from FIG. 1.
  • the incoming web is manufactured into twice as many eight page sections of the same page size as the 16 page sections produced when operating in thesec- 0nd mode explained with respect to FIG. 2.
  • the former 1 doubles the web over about its longitudinal axis and the former 2 doubles the resulting webs about its longitudinal axis to produce a continuous web for thicknesses thick (i.e., of 8 pages, it being usual in this industry to count the two sides of each thickness as individual pages).
  • the folding cylinder 5 does not fold anything, because its folding arms 8 are kept inoperative. Instead, the first serrated cutter 4 cuts the twice longitudinally folded web transversally into segments whichare each twiceas long as the intended eight page sections. Then the second serrated cutter it) cuts each of these segments transversally into two eight page sections. Every other one of these eight page sections is carried away by the conveyor 19. and alternate ones are carried-away by the conveyor 18.
  • the right angle folding units 20 are not operated in this mode either.
  • the whole of the apparatus (but for the two formers l and 2 and the nip rolls 3) is rotated 90 about the axis 22.
  • the former 1 doubles the web over about its longitudinal axis to produce a continuous web two thicknesses thich (i.e., of 4 pages).
  • the second serrated cutter 10 is retracted at 14, 15 to a position of inoperativeness.
  • the first serrated cutter cuts the once longitudinally folded web transversally into segments which are each twice as loud and twice as wide as intended 16 page sections.
  • the folding cylinder 5 does fold: the arms 8 conventionally fold each segment transversally into an eight page semi-finished product as long as, but twice as wide as the intended product. Since the element 10 is sidelined, all the semi-finished product is carried to the conveyor 19. In this mode the conventional right angle folding unit 20 does operate: it folds each segment longitudinally into a 16 page section.
  • a first triangular former positioned to interceptthe web and double the web about the longituidnal axis thereof;
  • a second triangular former positioned downstream of the first triangular former and oriented at a substantial angular disparity with respect thereto to intercept the once doubled web, only when said apparatus is operating in the first mode thereof, for redoubling the once doubled web about the longitudinal axis thereof;
  • downstream of said second triangular former means on the rotating transfer roll for temporarily grasping the web, regardless of whether the web has been doubled once or twice, and for carrying what has been grasped, on the periphery thereof, throughout somewhat short of a complete revolution of the rotating transfer roll;
  • first serration means intermittently cooperable with the rotating transfer roll shortly downstream of where the web is grasped thereon by said grasping means, for transversally servicing the web, regardless of whether the web has been doubled once or twice, into segments each twice as long as the page sections to be produced;
  • second serration means intermittently cooperable wtih the rotating transfer roll angularly downstream of where the web is served with the first serration means, for tranversally severing each of said segments into two eight page sections only when said apparatus is operating in the first mode thereof;
  • a first conveyor disposed to receive angularly trailing ones of said eight page sections from said second serration means; means on said second serration means for removing said angularly trailing ones of said eight page sections from saie rotating transfer roll and for depositing the sections so removed with the first conveyor to provide one of said two streams of eight page sections;
  • a second conveyor disposed to receive angularly leading ones of said eight page sections from said gripper cylinder; means on said rotation gripper cylinder for removing said angularly leading ones of said eight page sections from said rotating transfer roll and for depositing the sections so removed with the second conveyor to provide the other of said two streams of eight page sections;
  • transverse folding blade means on the rotating transfer roll structured, positioned and operable only when the apparatus is operating in the second mode thereof to double-over each segment transversally while each segment is being carried by the rotating transfer roll to provide segments each as wide but still twice as long as the 16 page sections to be produced;
  • said rotating transfer roll, said first serration means, said second serration means, said rotating gripper cylinder, said first conveyor and said second conveyor all being mounted on said shifting means, whereby, but for extension and withdrawal of the second serration means and rendering said transverse folding blade means operative and inoperative, switching said apparatus from operating in said first mode to operating in said second mode, and vice versa is substantially accomplished by shifting said shifting means through the amount of said angular disparity.

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  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
US00102341A 1970-01-14 1970-12-29 Folding apparatus Expired - Lifetime US3784187A (en)

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Application Number Priority Date Filing Date Title
JP45003539A JPS5019971B1 (zh) 1970-01-14 1970-01-14

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US3784187A true US3784187A (en) 1974-01-08

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Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279410A (en) * 1978-10-24 1981-07-21 Koenig & Bauer Aktiengesellschaft Folder for a web-fed rotary printing press
US4295643A (en) * 1979-06-13 1981-10-20 Vega Alejandro J De Apparatus and method for handling jackets of printed matter
US4368879A (en) * 1980-06-23 1983-01-18 Komori Printing Machinery Company, Ltd. Cutting and folding apparatus in rotary press
US4475730A (en) * 1983-03-23 1984-10-09 C.G. Bretting Mfg. Co., Inc. Apparatus for folding and stacking paper products
US4490132A (en) * 1978-05-26 1984-12-25 Toshiba Kikai Kabushiki Kaisha Paper folding machines for use in rotary presses
US4524961A (en) * 1980-04-02 1985-06-25 Komori Printing Machinery Co., Ltd. Paper discharge apparatus for use in paper folders of rotary presses
US4564470A (en) * 1984-06-20 1986-01-14 Koenig & Bauer Aktiengesellschaft Folder assembly
US4726578A (en) * 1985-07-12 1988-02-23 Bell & Howell Company Paper-folding apparatus
US4754959A (en) * 1985-08-02 1988-07-05 M.A.N. Roland Druckmaschinen Aktiengesellschaft Folding apparatus for transverse folding and transporting of two types of printed substrates
US4861326A (en) * 1986-08-02 1989-08-29 Albert-Frankenthal Ag Modular folding apparatus
US5338282A (en) * 1993-03-23 1994-08-16 Ferrone Rock A Automatic trimming machine
US5443437A (en) * 1991-11-08 1995-08-22 Heidelberger Druckmaschinen Device for automatically adjusting a fold in a folding apparatus of a rotary printing machine
US5494270A (en) * 1993-05-13 1996-02-27 Heidelberger Druckmaschinen Aktiengesellschaft Cross folder and method of cross folding
US5503071A (en) * 1993-12-01 1996-04-02 Koenig & Bauer Aktiengesellschaft Cylinder with retractable point spurs and signature clamps
US5522586A (en) * 1994-09-07 1996-06-04 Rockwell International Corporation Folding apparatus with multiple speed folding jaw cylinder
US5676056A (en) * 1995-05-04 1997-10-14 Maschinenfabrik Wifag Rotary printing press with a freely mountable folder
US5707330A (en) * 1995-03-24 1998-01-13 Goss Graphic Systems, Inc. Folding machine for folding and cutting webs in a rotary printing press
US5727724A (en) * 1996-09-17 1998-03-17 Heidelberg Harris Inc. Method and apparatus for transporting a web material
US6159138A (en) * 1998-01-27 2000-12-12 Heidelberger Druckmaschinen Ag Folder having a cylinder with retractable grippers and a cooperating cylinder with retractable copy guiding devices
US6254522B1 (en) 1999-10-05 2001-07-03 C. G. Bretting Manufacturing Co., Inc. Separator finger apparatus
US6322315B1 (en) 1999-10-04 2001-11-27 C.G. Bretting Manufacturing Company, Inc. Web stacker and separator apparatus and method
US20030045415A1 (en) * 1999-07-13 2003-03-06 C.G. Bretting Manufacturing Company, Inc. Vacuum assisted roll apparatus and method
US6539829B1 (en) 1999-06-03 2003-04-01 C. G. Bretting Manufacturing Company, Inc. Rotary valve assembly and method
US20030082044A1 (en) * 2001-07-27 2003-05-01 Gendron Jeffrey A. Apparatus and method for stacking and separating sheets discharged from a starwheel assembly
US20040063559A1 (en) * 2002-09-27 2004-04-01 Ochsenbauer Edward R. Sheet folding apparatus and method
US20040077473A1 (en) * 2002-10-16 2004-04-22 Kimberly-Clark Worldwide, Inc. Method and apparatus for making pads
US20040110618A1 (en) * 2002-10-16 2004-06-10 Kimberly-Clark Worldwide, Inc. Method and apparatus for making pads
EP1460014A1 (de) * 2003-03-18 2004-09-22 Maschinenbau Oppenweiler Binder GmbH & Co. KG Verfahren zum Falzen eines Bogens zu einem Falzbogen mit wenigstens 16 Seiten
US6832886B2 (en) 2001-07-27 2004-12-21 C. G. Bretting Manufacturing Co., Inc. Apparatus and method for stacking sheets discharged from a starwheel assembly
US20050023746A1 (en) * 2003-07-30 2005-02-03 Michler James R. Starwheel feed apparatus and method
US20070010389A1 (en) * 2005-07-01 2007-01-11 Scott Paper Limited Hands-free towel dispenser
WO2008017712A1 (de) * 2006-08-11 2008-02-14 Koenig & Bauer Aktiengesellschaft Falzapparat
GB2470837A (en) * 2009-06-05 2010-12-08 Doyen Medipharm Ltd Apparatus for folding sheet material
US20170368781A1 (en) * 2016-06-27 2017-12-28 C.G. Bretting Manufacturing Co., Inc. Web processing system with multiple folding arrangements fed by a single web handling arrangement
DE102019124168A1 (de) * 2019-09-10 2021-03-11 Koenig & Bauer Ag Weiterverarbeitungsvorrichtung für zumindest eine Materialbahn, eine Rollendruckmaschine und ein Verfahren zum Betreiben einer Weiterverarbeitungsvorrichtung

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JPS54165563U (zh) * 1978-05-10 1979-11-20
HU189254B (en) * 1983-03-25 1986-06-30 Boros,Gyoergy,Hu Prefabricated plate members of tool body particularly for tools of closed hollow
FR2586097B1 (fr) * 1985-08-07 1992-10-09 Floch Imprimerie Procede et machine destines a confectionner des livres
DE4030863A1 (de) * 1990-09-29 1992-04-09 Roland Man Druckmasch Rollenrotationsdruckmaschine fuer buecher- und kalenderdruck
DE4208353A1 (de) * 1992-03-16 1993-09-23 Heidelberger Druckmasch Ag Rotationsfalzapparat mit spezieller zylinderanordnung fuer rollenrotationsdruckmaschinen

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US2982543A (en) * 1957-01-12 1961-05-02 Ringier & Co A G Apparatus for folding paper webs in rotary machines
DE1204689B (de) * 1962-03-16 1965-11-11 Koenig & Bauer Schnellpressfab Querfalzapparat an Rollen-Rotationsdruckmaschinen

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US2211046A (en) * 1938-04-01 1940-08-13 Cottrell C B & Sons Co Cutting and folding machine
US2306248A (en) * 1941-11-19 1942-12-22 Hoe & Co R Web cutting and folding mechanism for printing machines
US2353445A (en) * 1942-06-03 1944-07-11 Goss Printing Press Co Ltd Folding and delivery mechanism
US2613077A (en) * 1949-01-13 1952-10-07 Florez Company Inc De Folding and gathering means for books
US2982543A (en) * 1957-01-12 1961-05-02 Ringier & Co A G Apparatus for folding paper webs in rotary machines
DE1204689B (de) * 1962-03-16 1965-11-11 Koenig & Bauer Schnellpressfab Querfalzapparat an Rollen-Rotationsdruckmaschinen

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490132A (en) * 1978-05-26 1984-12-25 Toshiba Kikai Kabushiki Kaisha Paper folding machines for use in rotary presses
US4279410A (en) * 1978-10-24 1981-07-21 Koenig & Bauer Aktiengesellschaft Folder for a web-fed rotary printing press
US4295643A (en) * 1979-06-13 1981-10-20 Vega Alejandro J De Apparatus and method for handling jackets of printed matter
US4524961A (en) * 1980-04-02 1985-06-25 Komori Printing Machinery Co., Ltd. Paper discharge apparatus for use in paper folders of rotary presses
US4368879A (en) * 1980-06-23 1983-01-18 Komori Printing Machinery Company, Ltd. Cutting and folding apparatus in rotary press
US4475730A (en) * 1983-03-23 1984-10-09 C.G. Bretting Mfg. Co., Inc. Apparatus for folding and stacking paper products
US4564470A (en) * 1984-06-20 1986-01-14 Koenig & Bauer Aktiengesellschaft Folder assembly
US4726578A (en) * 1985-07-12 1988-02-23 Bell & Howell Company Paper-folding apparatus
US4754959A (en) * 1985-08-02 1988-07-05 M.A.N. Roland Druckmaschinen Aktiengesellschaft Folding apparatus for transverse folding and transporting of two types of printed substrates
US4861326A (en) * 1986-08-02 1989-08-29 Albert-Frankenthal Ag Modular folding apparatus
US5443437A (en) * 1991-11-08 1995-08-22 Heidelberger Druckmaschinen Device for automatically adjusting a fold in a folding apparatus of a rotary printing machine
US5338282A (en) * 1993-03-23 1994-08-16 Ferrone Rock A Automatic trimming machine
WO1994021464A1 (en) * 1993-03-23 1994-09-29 Ferrone Rock A Automatic trimming machine with split rotary knife assembly
US5823934A (en) * 1993-03-23 1998-10-20 Ferrone; Rock A. Automatic trimming machine with split rotary knife assembly
US5494270A (en) * 1993-05-13 1996-02-27 Heidelberger Druckmaschinen Aktiengesellschaft Cross folder and method of cross folding
US5503071A (en) * 1993-12-01 1996-04-02 Koenig & Bauer Aktiengesellschaft Cylinder with retractable point spurs and signature clamps
US5522586A (en) * 1994-09-07 1996-06-04 Rockwell International Corporation Folding apparatus with multiple speed folding jaw cylinder
US5707330A (en) * 1995-03-24 1998-01-13 Goss Graphic Systems, Inc. Folding machine for folding and cutting webs in a rotary printing press
US5676056A (en) * 1995-05-04 1997-10-14 Maschinenfabrik Wifag Rotary printing press with a freely mountable folder
US5727724A (en) * 1996-09-17 1998-03-17 Heidelberg Harris Inc. Method and apparatus for transporting a web material
US6159138A (en) * 1998-01-27 2000-12-12 Heidelberger Druckmaschinen Ag Folder having a cylinder with retractable grippers and a cooperating cylinder with retractable copy guiding devices
US6539829B1 (en) 1999-06-03 2003-04-01 C. G. Bretting Manufacturing Company, Inc. Rotary valve assembly and method
US20030045415A1 (en) * 1999-07-13 2003-03-06 C.G. Bretting Manufacturing Company, Inc. Vacuum assisted roll apparatus and method
US6641358B2 (en) 1999-10-04 2003-11-04 C.G. Bretting Manufacturing Co., Inc. Web stacker and separator apparatus and method
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Also Published As

Publication number Publication date
JPS5019971B1 (zh) 1975-07-11
GB1299332A (en) 1972-12-13

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