EP0975539A1 - Zusammensetzung zur behandlung von oberflächen von flächigen gegenständen zum erzeugen von vorbestimmten trennstellen in einer anzahl von mindestens teilweise aufeinanderliegenden, derartigen gegenständen - Google Patents
Zusammensetzung zur behandlung von oberflächen von flächigen gegenständen zum erzeugen von vorbestimmten trennstellen in einer anzahl von mindestens teilweise aufeinanderliegenden, derartigen gegenständenInfo
- Publication number
- EP0975539A1 EP0975539A1 EP98910566A EP98910566A EP0975539A1 EP 0975539 A1 EP0975539 A1 EP 0975539A1 EP 98910566 A EP98910566 A EP 98910566A EP 98910566 A EP98910566 A EP 98910566A EP 0975539 A1 EP0975539 A1 EP 0975539A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- flat objects
- objects
- articles
- flat
- 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
Links
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
- B65H33/00—Forming counted batches in delivery pile or stream of articles
- B65H33/06—Forming counted batches in delivery pile or stream of articles by displacing articles to define batches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/18—Separating articles from piles using electrostatic force
-
- 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
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
Definitions
- the invention relates to a composition according to the preamble of the independent claim.
- the composition is used to treat surfaces of flat objects, a predetermined separation point at which the number can be deliberately separated is formed by a surface treated with the composition in a number of flat objects lying at least partially on top of one another.
- the flat objects consist, for example, of paper, cardboard, tissue, felt or plastic.
- the number of flat articles to be separated is, for example, a multi-page printed product made of paper, plastic or cardboard that can be opened at a specific point, or it is a stack or a scaled formation of printed products or flat articles made of cardboard, fabric, felt or Plastic, from which stack or shingled formation a certain number of objects is to be removed, for example by separating at a certain point.
- the patent specification CH-440339 describes a method in which, with a displacement force which has a component parallel to the main surfaces of the objects, two objects lying directly one on top of the other are displaced against one another in a number of flat objects lying on top of one another, and without affecting individual narrow parts - Sides or edges of the objects. So that the displacement can be carried out in a targeted manner between the predetermined two objects (predetermined separation point), while the other objects remain essentially not displaced relative to one another, the liability between the two objects to be displaced relative to one another is reduced, thereby reducing the liability between the other objects , that the appropriate coefficient of friction is reduced by appropriate measures.
- the present invention has for its object to provide a composition for the treatment of surfaces of flat objects, which composition can be used in the above method to create the predetermined separation point. This object is achieved by the composition as defined in the claims of the present application.
- the method described in the parallel application is based on the knowledge that the adhesion between superimposed, flat objects can be increased by static charging of their surfaces.
- static charge is now generated on the surfaces of the flat objects lying one on top of the other by being passed through an electrical direct voltage field oriented essentially perpendicular to the main surfaces of the objects. Due to the effect of the field, dipoles are aligned or charges shifted across the main surfaces and concentrate on the two surfaces. each of the items has positive or negative charges. These charges create electrical attraction forces between the surfaces of various objects, which increase mutual liability.
- the use of static charge to increase the adhesion between flat objects that cannot be separated, combined with specifically used antistatic agent to suppress the effect mentioned at a separation point, can also be combined with the reduction of the friction between the flat objects to be separated by the targeted use of a lubricant as described at the beginning as state of the art. Since the antistatic agent and the lubricant are advantageously applied to the same surface areas for such a combination, the two agents can be used simultaneously in the form of a mixture in a single process step.
- a luminophore can also be added to the antistatic agent or the mixture of antistatic agent and lubricant, which enables the separation at the predetermined separation point to be checked by means of a luminescence sensor.
- the composition according to the invention represents such a mixture of an antistatic agent and a lubricant, it being possible for the mixture to have additional, further constituents (for example luminophore).
- FIG. 1 shows a diagram of the successive steps of the method using the example of a stack 1 consisting of five superimposed, flat objects 2, the upper two objects being to be shifted relative to the lower three objects in order to separate the stack.
- the predetermined separation point ' .le is therefore between the upper surface of the third object and the lower surface of the fourth object in the stack 1.
- At least one of the surfaces involved in the separation point is treated, for example coated, with an antistatic agent 3 or preferably with the composition according to the invention, which contains an antistatic agent and a lubricant.
- the surface treated with the composition 3 according to the invention forms the one of the surfaces to be shifted against one another. It is of course also possible and advantageous in certain applications, .e not only a surface of the release Stel 'but to treat both surfaces participating at the separation point with the composition.
- the stack 1 is then exposed to a DC field, the field lines of which are oriented essentially perpendicular to the main surfaces of the objects.
- the stack is carried out between two electrodes 10, for example between two plates or rods, between which there is a constant potential difference.
- dipoles are aligned or charges shifted in the flat objects in such a way that a potential difference or a static charge of the surfaces builds up between the two surfaces of an object, as is shown schematically in FIG. 1 by small plus and minus signs is shown. These charges are opposed to adjacent objects on adjacent surfaces, creating electrical attraction forces between the objects.
- a displacement force (arrow 11), which acts for example on the stack surface and has a component parallel to the main surfaces of the objects, is applied to the stack 1.
- this displacement force 11 the two surfaces in the stack which are least adherent to one another and between which the least static friction acts are displaced relative to one another, even if the force does not act precisely on the separation point, but rather, for example, on the stack surface.
- areas 12 of the main surfaces of objects are exposed, on which mechanical means can be used to effectively separate the objects.
- the risk of damage is significantly less than with an attack on narrow sides (edges), as would be necessary in a separation without prior displacement.
- the separation point is defined so that it cannot be missed with a mechanical separation element.
- the antistatic agent contained in the composition according to the invention is, for example, an antistatic agent known from the plastics industry.
- these are, for example, conductive particles (e.g. soot, carbon fibers, nickel-coated mica, steel fibers or aluminum flakes or the conductive pigment Minatec® offered by Merck in Darmstadt), which are finely distributed in a matrix to 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), which are used as such or in the form of aqueous or alcoholic solutions.
- conductive particles e.g. soot, carbon fibers, nickel-coated mica, steel fibers or aluminum flakes or the conductive pigment Minatec® offered by Merck in Darmstadt
- surface-active substances e.g. glycol esters, glycol ethers
- the lubricant contained in the composition according to the invention is a lubricant which can be used in the processes mentioned at the outset in accordance with the patents CH-440339 and CH-534588.
- This is, for example, a wax that can be a natural wax (e.g. beeswax), a chemically modified, originally natural wax (e.g. hydrogenated jojoba wax, paraffin wax made from petroleum) or a synthetic wax (e.g. polyethylene glycol wax), a highly viscous silicone oil or a suitable plastic (e.g. Teflon).
- the components are merely mixed with one another, for which purpose some of the components may have to be brought into a liquid or at least plastic state.
- the finished composition is liquid or pasty or solid in pieces or as granules or powder.
- the treatment of the surfaces with the composition can be spraying or application with a roller, with an aftertreatment of the treated surfaces, for example with heat, being necessary to keep the composition on the surface to fix.
- Solid compositions are advantageously applied by direct rubbing on the surface to be treated or by rubbing with the aid of a brush.
- compositions according to the invention consist, for example, of a wax or of a plastic (sliding component) in which conductive particles (leading component) are embedded.
- Such compositions are very easy to rub off, for example on paper surfaces.
- a specific composition variant of this type which is particularly suitable for the treatment of printed products, since it is invisible when applied to paper and is otherwise barely detectable by the reader, consists of paraffin wax and the conductive pigment Minatec® already mentioned, the weight fraction of the wax preferably being between 55 and 75%, especially 66 to 67%. So that the composition according to the invention can be applied by spraying, it can additionally contain a solvent or water.
- composition according to the invention result from mixing any of the above-mentioned antistatic agents with any lubricants.
- specific advantageous compositions both in terms of components and in terms of concentrations of the individual components are to be determined experimentally.
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Detergent Compositions (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Steroid Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Elimination Of Static Electricity (AREA)
- Lubricants (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH88897 | 1997-04-16 | ||
CH88897 | 1997-04-16 | ||
PCT/CH1998/000128 WO1998046507A1 (de) | 1997-04-16 | 1998-04-07 | Zusammensetzung zur behandlung von oberflächen von flächigen gegenständen zum erzeugen von vorbestimmten trennstellen in einer anzahl von mindestens teilweise aufeinanderliegenden, derartigen gegenständen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0975539A1 true EP0975539A1 (de) | 2000-02-02 |
EP0975539B1 EP0975539B1 (de) | 2001-10-17 |
Family
ID=4197525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98910566A Expired - Lifetime EP0975539B1 (de) | 1997-04-16 | 1998-04-07 | Zusammensetzung zur behandlung von oberflächen von flächigen gegenständen zum erzeugen von vorbestimmten trennstellen in einer anzahl von mindestens teilweise aufeinanderliegenden, derartigen gegenständen |
Country Status (10)
Country | Link |
---|---|
US (1) | US6569817B1 (de) |
EP (1) | EP0975539B1 (de) |
JP (1) | JP2001523203A (de) |
AT (1) | ATE207030T1 (de) |
AU (1) | AU726817B2 (de) |
CA (1) | CA2286595A1 (de) |
DE (1) | DE59801783D1 (de) |
DK (1) | DK0975539T3 (de) |
RU (1) | RU2196050C2 (de) |
WO (1) | WO1998046507A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10260712B3 (de) * | 2002-12-23 | 2004-08-05 | Tscheulin-Rothal Gmbh | Verfahren und Vorrichtung zur Vereinzelung von Platinen |
US20060030495A1 (en) * | 2004-08-06 | 2006-02-09 | Gregg George L Jr | Bullet lubrication formula |
Family Cites Families (11)
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 |
CH534588A (de) * | 1971-01-12 | 1973-03-15 | Fehr & Reist Ag | Stapel aus mehreren aufeinandergeschichteten Blättern |
JPS5060672A (de) * | 1973-09-29 | 1975-05-24 | ||
US4525287A (en) * | 1984-06-18 | 1985-06-25 | Carstensen Kenneth J | Thread and bearing lubricant |
JPS63197079A (ja) * | 1987-02-12 | 1988-08-15 | Teijin Ltd | カセツト用透明スリツプシ−ト |
JPH0645484B2 (ja) * | 1987-03-20 | 1994-06-15 | セントラル硝子株式会社 | 複写機用ガラスおよびその製造方法 |
US5468401A (en) * | 1989-06-16 | 1995-11-21 | Chem-Trend, Incorporated | Carrier-free metalworking lubricant and method of making and using same |
US5076339B1 (en) * | 1990-02-08 | 1998-06-09 | J & S Chemical Corp | Solid lubricant for die-casting process |
JPH0858220A (ja) * | 1994-08-26 | 1996-03-05 | Nisshinbo Ind Inc | 電飾用紙及びその製造方法 |
JP3517495B2 (ja) * | 1995-10-12 | 2004-04-12 | トヨタ自動車株式会社 | 金型鋳造用離型剤 |
US6123990A (en) * | 1998-05-26 | 2000-09-26 | Henkel Corporation | Anti-static lubricant composition and method of making same |
-
1998
- 1998-04-07 CA CA002286595A patent/CA2286595A1/en not_active Abandoned
- 1998-04-07 AU AU64931/98A patent/AU726817B2/en not_active Ceased
- 1998-04-07 US US09/402,989 patent/US6569817B1/en not_active Expired - Fee Related
- 1998-04-07 RU RU99121638/12A patent/RU2196050C2/ru not_active IP Right Cessation
- 1998-04-07 EP EP98910566A patent/EP0975539B1/de not_active Expired - Lifetime
- 1998-04-07 DK DK98910566T patent/DK0975539T3/da active
- 1998-04-07 WO PCT/CH1998/000128 patent/WO1998046507A1/de active IP Right Grant
- 1998-04-07 DE DE59801783T patent/DE59801783D1/de not_active Expired - Lifetime
- 1998-04-07 JP JP54334198A patent/JP2001523203A/ja active Pending
- 1998-04-07 AT AT98910566T patent/ATE207030T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9846507A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2286595A1 (en) | 1998-10-22 |
WO1998046507A1 (de) | 1998-10-22 |
AU6493198A (en) | 1998-11-11 |
US6569817B1 (en) | 2003-05-27 |
EP0975539B1 (de) | 2001-10-17 |
WO1998046507A9 (de) | 2000-10-05 |
RU2196050C2 (ru) | 2003-01-10 |
AU726817B2 (en) | 2000-11-23 |
DK0975539T3 (da) | 2002-02-11 |
DE59801783D1 (de) | 2001-11-22 |
JP2001523203A (ja) | 2001-11-20 |
ATE207030T1 (de) | 2001-11-15 |
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