EP0975540B1 - Verfahren zum trennen einer anzahl mindestens teilweise aufeinanderliegender, flächiger gegenstände an einer vorbestimmten stelle - Google Patents

Verfahren zum trennen einer anzahl mindestens teilweise aufeinanderliegender, flächiger gegenstände an einer vorbestimmten stelle Download PDF

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Publication number
EP0975540B1
EP0975540B1 EP98910567A EP98910567A EP0975540B1 EP 0975540 B1 EP0975540 B1 EP 0975540B1 EP 98910567 A EP98910567 A EP 98910567A EP 98910567 A EP98910567 A EP 98910567A EP 0975540 B1 EP0975540 B1 EP 0975540B1
Authority
EP
European Patent Office
Prior art keywords
antistatic agent
treated
separation point
objects
articles
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
EP98910567A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0975540A1 (de
Inventor
Carl Conrad Maeder
Markus Scheuber
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.)
Ferag AG
Original Assignee
Ferag 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 Ferag AG filed Critical Ferag AG
Publication of EP0975540A1 publication Critical patent/EP0975540A1/de
Application granted granted Critical
Publication of EP0975540B1 publication Critical patent/EP0975540B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00Feeding articles separated from piles; Feeding articles to machines
    • B65H5/30Opening devices for folded sheets or signatures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/24Separating articles from piles by pushers engaging the edges of the articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H33/00Forming counted batches in delivery pile or stream of articles
    • B65H33/06Forming counted batches in delivery pile or stream of articles by displacing articles to define batches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H47/00Unfolding thin limp material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/42Piling, depiling, handling piles
    • B65H2301/422Handling piles, sets or stacks of articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/50Auxiliary process performed during handling process
    • B65H2301/51Modifying a characteristic of handled material
    • B65H2301/513Modifying electric properties
    • B65H2301/5132Bringing electrostatic charge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/50Auxiliary process performed during handling process
    • B65H2301/51Modifying a characteristic of handled material
    • B65H2301/513Modifying electric properties
    • B65H2301/5133Removing electrostatic charge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/19Specific article or web
    • B65H2701/1932Signatures, folded printed matter, newspapers or parts thereof and books

Definitions

  • the invention relates to a method according to the preamble of the independent Claim.
  • the method serves to at least partially a number superimposed, flat objects at a predetermined Place to separate.
  • the flat objects consist, for example made of paper, cardboard, fabric, felt or plastic.
  • the number to separate of flat objects is, for example, a multi-page printed product made of paper, plastic or cardboard that can be opened at a certain point or is a stack or a shingled formation of printed products or of flat objects made of cardboard, fabric, felt or plastic, which stack or shingled formation, for example, by Separate a certain number of objects at a certain point is to be removed.
  • Measures to reduce the coefficient of friction are, for example a treatment with a lubricant or a smoothing of at least one of the surfaces to be moved against each other or the positioning proposed a slide film between the objects to be moved.
  • the method according to the invention is based on the knowledge that liability between superimposed, flat objects due to static charge their surfaces can be increased.
  • the process is now carried out on the superimposed, flat objects static charge is generated by being essentially vertical DC electrical field aligned with the main surfaces of the objects be performed.
  • the effect of the field will be across Principal surfaces of dipoles aligned or charges shifted and concentrated each positive on the two surfaces of each of the objects or negative charges. These charges create between the Surfaces of various objects that attract electrical attraction increase mutual liability.
  • FIG. 1 schematically shows the successive steps of the method according to the invention using the example of a stack 1 consisting of five superimposed, flat objects 2, the upper two objects being to be displaced relative to the lower three objects in order to separate the stack.
  • the predetermined separation point is therefore between the upper surface of the third object and the lower surface of the fourth object in the stack 1.
  • Antistatic agents are known in particular from the plastics industry. It These are, for example, conductive particles (e.g. carbon black, carbon fibers, with nickel-coated mica, steel fibers or aluminum plates), which are finest in a matrix that is usually made of a plastic are distributed, or around ionic compounds (e.g. quaternary ammonium salts), surface-active substances (e.g. glycol esters, glycol ethers or esters and salts of fatty acids) or hygroscopic substances (e.g. glycerin or polyglycol), as such or in the form of aqueous or alcoholic Solutions are used.
  • conductive particles e.g. carbon black, carbon fibers, with nickel-coated mica, steel fibers or aluminum plates
  • ionic compounds e.g. quaternary ammonium salts
  • surface-active substances e.g. glycol esters, glycol ethers or esters and salts of fatty acids
  • hygroscopic substances e.g
  • Treatment with the antistatic agent can be for a liquid agent or a molten agent, spraying or roller application be, for a fixed medium, a direct rub or rub with a Brush on the surface to be treated.
  • spraying or roller application be, for a fixed medium, a direct rub or rub with a Brush on the surface to be treated.
  • Process on printed paper it is also possible to Mix the above conductive particles into the ink with which the paper is printed.
  • the one from Merck in Darmstadt offered conductive pigment Minatec®.
  • antistatic agents reduces the surface resistance of the treated surfaces to usually 10 10 to 10 8 ⁇ .
  • the surface treated with the antistatic agent 3 forms the one of the surfaces to be shifted against each other. It goes without saying also possible and also advantageous in certain applications, not just one surface of the separation point but both at the separation point treat the surfaces involved with an antistatic agent.
  • the stack 1 is then exposed to a DC field, the field lines aligned substantially perpendicular to the major surfaces of the objects are.
  • the stack between two electrodes 10 for example performed between two plates or rods, between which one there is a constant potential difference.
  • the field Dipoles aligned or charges shifted in the flat objects such that there is between the two surfaces of an object builds up a potential difference or a static charge on the surfaces, like that in Figure 1 schematically by small plus and minus signs is shown. These charges are on superimposed surfaces of Opposing neighboring objects, creating electrical attraction arise between objects.
  • the whole Surface of an object 2 treated with the antistatic agent and the entire stack or the entire base area of the stack becomes the DC voltage field exposed.
  • This is not a condition for the inventive Method.
  • the antistatic agent is only applied to a surface in some areas become. It is also possible to electrostatically only a part of the stack charge. However, there is an electrostatic charge on those surface areas necessary, which coincide with the treated surface area, the charged area can also be smaller than that treated area.
  • the prevailing between the two electrodes 10 of such a device The voltage difference is of the order of magnitude. 10kV.
  • a displacement force (arrow 11), which acts on the stack surface, for example, and a component parallel to the main surfaces of the objects on the stack 1 applied.
  • this displacement force 11 the two surfaces in the stack that are least attached to each other, shifted against each other, even if the force does not act precisely on the separation point, but just for example on the stack surface.
  • FIG. 2 shows schematically, as an exemplary application of the method according to the invention, the production of a multi-page printed product 20, for example a magazine or brochure, and a targeted opening of the printed product 20, for example in order to insert an insert at a predetermined point.
  • the printed product is pre-folded, for example, by collecting Sheets are put together in a collecting and stapling drum and stapled, like this is shown very schematically in the top line of FIG. 2.
  • the printed product can also be trimmed on three sides.
  • spraying from a Spray head 21 has a corner area on an inner side in the finished printed product 22 treated with an antistatic agent.
  • FIGS. 3 and 4 also show multi-page printed products 30 with a bound, stapled or glued back 31, which printed products have more than one predetermined separation point.
  • these separation points are realized by pages which in some areas carry an antistatic agent.
  • the areas of the various separating points are advantageously non-overlapping corner areas 32 and 33 and / or areas 34 and 35 bordering on edges Objects only activated one of the separation points.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Elimination Of Static Electricity (AREA)
  • Laminated Bodies (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EP98910567A 1997-04-16 1998-04-07 Verfahren zum trennen einer anzahl mindestens teilweise aufeinanderliegender, flächiger gegenstände an einer vorbestimmten stelle Expired - Lifetime EP0975540B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH88997 1997-04-16
CH88997 1997-04-16
PCT/CH1998/000129 WO1998046508A1 (de) 1997-04-16 1998-04-07 Verfahren zum trennen einer anzahl mindestens teilweise aufeinanderliegender, flächiger gegenstände an einer vorbestimmten stelle

Publications (2)

Publication Number Publication Date
EP0975540A1 EP0975540A1 (de) 2000-02-02
EP0975540B1 true EP0975540B1 (de) 2001-07-11

Family

ID=4197551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98910567A Expired - Lifetime EP0975540B1 (de) 1997-04-16 1998-04-07 Verfahren zum trennen einer anzahl mindestens teilweise aufeinanderliegender, flächiger gegenstände an einer vorbestimmten stelle

Country Status (14)

Country Link
EP (1) EP0975540B1 (ru)
JP (1) JP2001519750A (ru)
AT (1) ATE202998T1 (ru)
AU (1) AU727498B2 (ru)
CA (1) CA2285981C (ru)
CZ (1) CZ298389B6 (ru)
DE (1) DE59801001D1 (ru)
DK (1) DK0975540T3 (ru)
ES (1) ES2162425T3 (ru)
IL (1) IL132132A (ru)
NO (1) NO313822B1 (ru)
PL (1) PL336227A1 (ru)
RU (1) RU2203189C2 (ru)
WO (1) WO1998046508A1 (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007168953A (ja) * 2005-12-21 2007-07-05 Maruishi Seisakusho:Kk 紙分離搬送装置及び紙分離搬送方法
RU2658051C2 (ru) * 2016-10-10 2018-06-19 Олег Николаевич Береснев Способ подачи плёнки в форму для изготовления изделий из пластмассы

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT255974B (de) * 1965-10-21 1967-07-25 Ferag Ag Verfahren zum Teilen einer Anzahl mindestens teilweise aufeinanderliegenden Flächengebilden an einer vorbestimmten Stelle
DE1948227A1 (de) * 1969-09-24 1971-04-01 Haver & Boecker Vorrichtung zum Stapeln,Vereinzeln und Foerdern von oben offenen,vorzugsweise aus Kunststoff gefertigten Beuteln oder Saecken
CH534588A (de) * 1971-01-12 1973-03-15 Fehr & Reist Ag Stapel aus mehreren aufeinandergeschichteten Blättern

Also Published As

Publication number Publication date
CZ9903466A3 (cs) 2001-07-11
NO994999D0 (no) 1999-10-14
AU6493298A (en) 1998-11-11
IL132132A0 (en) 2001-03-19
DE59801001D1 (de) 2001-08-16
ES2162425T3 (es) 2001-12-16
IL132132A (en) 2002-09-12
EP0975540A1 (de) 2000-02-02
ATE202998T1 (de) 2001-07-15
RU2203189C2 (ru) 2003-04-27
WO1998046508A1 (de) 1998-10-22
DK0975540T3 (da) 2001-11-05
CZ298389B6 (cs) 2007-09-19
PL336227A1 (en) 2000-06-19
NO313822B1 (no) 2002-12-09
CA2285981A1 (en) 1998-10-22
AU727498B2 (en) 2000-12-14
JP2001519750A (ja) 2001-10-23
CA2285981C (en) 2006-02-21
NO994999L (no) 1999-12-15

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