EP1776304B1 - Folding machine with suction means for zig-zag folding a continuous web material and associated folding method - Google Patents

Folding machine with suction means for zig-zag folding a continuous web material and associated folding method Download PDF

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Publication number
EP1776304B1
EP1776304B1 EP05760840A EP05760840A EP1776304B1 EP 1776304 B1 EP1776304 B1 EP 1776304B1 EP 05760840 A EP05760840 A EP 05760840A EP 05760840 A EP05760840 A EP 05760840A EP 1776304 B1 EP1776304 B1 EP 1776304B1
Authority
EP
European Patent Office
Prior art keywords
folding
web material
suction
cylinder
cylinders
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.)
Not-in-force
Application number
EP05760840A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1776304A1 (en
Inventor
Alessandro Morelli
Mauro Gelli
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.)
Fabio Perini SpA
Original Assignee
Fabio Perini SpA
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 Fabio Perini SpA filed Critical Fabio Perini SpA
Publication of EP1776304A1 publication Critical patent/EP1776304A1/en
Application granted granted Critical
Publication of EP1776304B1 publication Critical patent/EP1776304B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H45/28—Folding in combination with 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
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/20—Zig-zag 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/112—Section geometry
    • B65H2701/1123—Folded article or web
    • B65H2701/11231—Fan-folded material or zig-zag or leporello

Definitions

  • a continuous web material - optionally previously folded along a longitudinal line - is fed to a pair of counter-rotating folding cylinders, disposed adjacent to each other to define a nip through which the web material passes and having parallel axes.
  • Disposed on each cylinder are members that make the fold in the web material.
  • the aforesaid members are disposed and controlled so that the web material is folded in a zigzag manner, adhering alternately first to one and then to the other of the two counter-rotating folding cylinders.
  • the pack formed of the zigzag folded web material is then cut by a blade and divided into two piles of paper napkins or similar folded products.
  • each of the two folding cylinders has at least one folding blade and one gripping member, so that for each complete turn of the pair of folding cylinders at least two folds are made on the web material.
  • the folding machine has a pair of folding cylinders 1 and 3 rotating according to the arrows f1 and f3 around respective vertical axes of rotation 1A and 3A, disposed parallel to each other and spaced so that the two folding cylinders 1, 3 are adjacent to each other at the level of a nip 5.
  • the folding cylinder 1 is supported by shanks 1C and 1D ( Figure 2) in corresponding supports 7, 9.
  • the folding cylinder 3 is supported in a similar way by shanks 3C and 3D in supports 11 and 13.
  • the cavities 41 emerge on the cylindrical surface of each of the two folding cylinders 1, 3.
  • a gripping member housed in each of the two seats or cavities of each folding cylinder 1, 3 is a gripping member, indicated as a whole with 43, used to grasp and fold the web material N fed into the nip 5 between the two folding cylinders 1, 3.
  • the two gripping members 43 are symmetrical to each other and only one of them shall be described in detail hereunder with particular reference to Figure 4.
  • Suction through the holes 45 is activated, for each cylinder 1, 3 before the line of holes 45 farthest forward with respect to the direction of rotation of the respective cylinder 1, 3 reaches the nip 5, so that the web material is drawn and retained on the cylindrical surface of the respective folding cylinder.
  • the plurality of lines of suction holes 45 guarantees efficient retention of the web material when this passes through the nip 5 and moves therebeyond, following the movement of rotation of the cylinder.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
EP05760840A 2004-06-25 2005-06-20 Folding machine with suction means for zig-zag folding a continuous web material and associated folding method Not-in-force EP1776304B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000144A ITFI20040144A1 (it) 2004-06-25 2004-06-25 Macchina piegatrice con mezzi aspiranti per piegare un materiale nastriforme continuo e relativo metodo di piegatura
PCT/IT2005/000352 WO2006001043A1 (en) 2004-06-25 2005-06-20 Folding machine with suction means for zig-zag folding a continuous web material and associated folding method

Publications (2)

Publication Number Publication Date
EP1776304A1 EP1776304A1 (en) 2007-04-25
EP1776304B1 true EP1776304B1 (en) 2008-01-16

Family

ID=35106704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05760840A Not-in-force EP1776304B1 (en) 2004-06-25 2005-06-20 Folding machine with suction means for zig-zag folding a continuous web material and associated folding method

Country Status (8)

Country Link
US (1) US20080200324A1 (it)
EP (1) EP1776304B1 (it)
AT (1) ATE384021T1 (it)
BR (1) BRPI0512614A (it)
DE (1) DE602005004419T2 (it)
ES (1) ES2299051T3 (it)
IT (1) ITFI20040144A1 (it)
WO (1) WO2006001043A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8939877B2 (en) * 2012-01-18 2015-01-27 Century Printing & Packaging, Inc. Method and apparatus for forming fan-folded web of labels with improved registration
US9371209B2 (en) 2012-05-01 2016-06-21 C.G. Bretting Manufacturing Co., Inc. Single path single web single-fold interfolder and methods
US10449746B2 (en) 2016-06-27 2019-10-22 C. G. Bretting Manufacturing Co., Inc. Web processing system with multiple folding arrangements fed by a single web handling arrangement
TWI658983B (zh) * 2018-05-24 2019-05-11 全利機械股份有限公司 纖維製品摺疊系統

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909006A1 (de) * 1979-03-08 1980-09-11 Winkler Duennebier Kg Masch Falzvorrichtung zum erzeugen einer zickzackfoermigen bahn aus papier, zellstoff, tissue o.dgl. werkstoff
DE3708016A1 (de) * 1987-03-12 1988-09-22 Womako Masch Konstr Vorrichtung zum zick-zack-falten einer materialbahn
US4765604A (en) * 1987-04-17 1988-08-23 C. G. Bretting Manufacturing Company Resilient creaser
DE3923436A1 (de) * 1989-07-15 1991-01-24 Winkler Duennebier Kg Masch Verfahren und vorrichtung zum herstellen von papierstapeln
DE4234663A1 (de) * 1992-10-15 1994-04-21 Focke & Co Vorrichtung zum Transport von bahnförmigem Verpackungsmaterial
IT1265845B1 (it) * 1993-02-15 1996-12-12 Perini Fabio Spa Dispositivo per il trasferimento di tovagliolini o prodotti analoghi dalla macchina di produzione a mezzi impilatori.
IT1286535B1 (it) * 1996-01-30 1998-07-15 Perini Fabio Spa Metodo e dispositivo per separare tra loro gruppi di prodotti laminari e macchina formatrice comprendente detto dispositivo
FR2767804B1 (fr) * 1997-09-02 1999-11-26 Heidelberger Druckmasch Ag Dispositif de coupe de matiere dans une plieuse d'une machine rotative a imprimer

Also Published As

Publication number Publication date
ATE384021T1 (de) 2008-02-15
DE602005004419D1 (de) 2008-03-06
WO2006001043A1 (en) 2006-01-05
EP1776304A1 (en) 2007-04-25
ES2299051T3 (es) 2008-05-16
DE602005004419T2 (de) 2009-01-15
BRPI0512614A (pt) 2008-03-25
US20080200324A1 (en) 2008-08-21
ITFI20040144A1 (it) 2004-09-25

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