EP0728693A2 - Vorrichtung zum Transport einer Bahn durch Stationen einer Arbeitsanlage - Google Patents

Vorrichtung zum Transport einer Bahn durch Stationen einer Arbeitsanlage Download PDF

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Publication number
EP0728693A2
EP0728693A2 EP96100799A EP96100799A EP0728693A2 EP 0728693 A2 EP0728693 A2 EP 0728693A2 EP 96100799 A EP96100799 A EP 96100799A EP 96100799 A EP96100799 A EP 96100799A EP 0728693 A2 EP0728693 A2 EP 0728693A2
Authority
EP
European Patent Office
Prior art keywords
web
tape
stations
carrier tape
holding
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
Application number
EP96100799A
Other languages
English (en)
French (fr)
Other versions
EP0728693B1 (de
EP0728693A3 (de
Inventor
Rainer Melzer
Roland Melzer
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.)
Melzer Maschinenbau GmbH
Original Assignee
Melzer Maschinenbau GmbH
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 Melzer Maschinenbau GmbH filed Critical Melzer Maschinenbau GmbH
Publication of EP0728693A2 publication Critical patent/EP0728693A2/de
Publication of EP0728693A3 publication Critical patent/EP0728693A3/de
Application granted granted Critical
Publication of EP0728693B1 publication Critical patent/EP0728693B1/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
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/16—Associating two or more webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/06—Advancing webs by friction band
    • B65H20/08—Advancing webs by friction band to effect step-by-step advancement of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/10—Advancing webs by a feed band against which web is held by fluid pressure, e.g. suction or air blast
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • 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
    • B65H2701/19—Specific article or web
    • B65H2701/1912—Banknotes, bills and cheques or the like

Definitions

  • the present invention relates to an apparatus for transporting a web through a plurality of stations of a working plant.
  • the web may be a plastic web of solid or laminated material.
  • the material web is transported through a plurality of working stations, for example printing stations, milling stations for milling a recess into which a chip is to be embedded, punching stations and the like.
  • the web has a width exceeding that used for the cards, and the excess margins are provided series of holes, the series extending parallel to the transportation direction, and the holes being spaced from one another by accurately repeated distances.
  • pins engage into the holes so as to hold the web portion between the pins in a tensioned state.
  • the web is step-wisely transported from station to station by means of clamps which do not engage the holes but hold the web in a pinching operation.
  • the material consumption is higher than necessary because of the margins to be provided for the series of holes thereby increasing the costs of manufacture, in particular if expensive materials as e.g. poly carbonate are used.
  • the tensioning systems provided at each station for the web render the plant complex, susceptible to trouble, and the distance between stations must be larger than necessary for the very working.
  • an apparatus for transporting a web through a plurality of stations of a working plant comprises a carrier tape which extends across the stations and is formed into an endless closed loop.
  • the carrier tape is perforated such that equidistant holes are arranged in series in the longitudinal direction of the tape.
  • Means are provided to displace the tape in steps, said means cooperating with the holes; the displacement stroke need not necessarily coincide with the distance by which adjacent holes are spaced.
  • Means are provided to hold the web on the tape as long as the web passes through the working stations.
  • the width of the web from which cards are to be produced need not exceed that necessary for the cards themselves as the lateral perforated margin is provided on the tape.
  • the tape may be tensioned over all stations by one single tensioning means so that the stations need not have such means.
  • the tape may be made of a material which resists the working environment. Steel is preferred but plastic, e.g. polyester, may be suited as well. Perforation of a steel tape may be performed with extreme precision before the tape is closed to form the loop by, e.g. plasma welding.
  • the displacement means preferably comprises drums having circumferentially disposed sprockets in engagement with the carrier tape holes.
  • the carrier tape preferably is looped around a first driving drum and a second driven drum, and the distance spacing the drum axes defines the tension of the tape.
  • the axis of the driving drum is stationary while the axis of the driven drum is displaceable so that the distance between the axes may be varied in order to adjust the tape tension.
  • tension adjustment may be advisable in response to temperature variations.
  • various other reasons may cause variation of the tape tension so that it is preferred to control the tension in response to the measured distance between adjacent holes.
  • stepping motors drive the sprocket drum in order to displace the carrier tape by a predetermined stroke.
  • the engagement between the sprockets and the holes provides for an unambigous relation between the number of pulses supplied to the stepping motor and the stroke through which the carrier tape is displaced.
  • the means for holding the substrate web or laminated web on the tape may be provided on the tape itself.
  • a relatively simple means is a bonding coating on the tape. Care must be taken to select a bonding material from which the web may be released without traces of bonding material being left on the web. It may be advisable to provide a cleaning apparatus downstream of the last working station to remove used bonding material and a coating apparatus downstream of the cleaning apparatus to freshly coat the tape upstream of the first station, thereby avoiding deterioration of the coating over time.
  • the tape may carry elements which laterally engage the web.
  • a further option is a vacuum source connected to a suction plenum placed beneath the tape which, in this case, must be air-permeable so as to permit aspiration of the web onto the tape.
  • a further holding or retaining means will be disclosed in connection with the description of a preferred embodiment.
  • the "web” may consist of a series of cards already stamped from a substrate or laminate.
  • the invention is applicable to webs of plastic as well as webs made of cardboard.
  • the working stations 10, 12, 14, 16 are only schematically indicated. They may be four printing stations, one for each of the colors red, blue, yellow and one for black.
  • the substrate web 18 to be printed on passes over a guiding drum 20 towards carrier tape 22 which surrounds a driving drum 24 and a driven drum 26.
  • the drums rotate in accordance with arrow 28, driven by a stepping motor (not shown).
  • Driven drum 26 is displaceable in direction of arrow 30 in response to ambien temperature variations.
  • a strip 32 of plastic is coated on both of its faces with an adhesive or bonding material.
  • the strip is wound on bobbin 34 and fed between web 18 and carrier tape 22. Downstream of station 10, the strip is released from both carrier tape 22 and web 18 and is discarded.
  • a plurality of narrow ribbons may be used.
  • Fig. 2 is a partial section view of the driven drum 26 having sprockets 36 in engagement with holes 38 of tape 22.
  • the web 18 is held on carrier tape 22 by small upstanding stampings 39 cut from tape 22 and angled upwards.
  • FIG. 3 illustrates schematically another embodiment of the holding means.
  • a plenum chamber 40 is connected to a vacuum pump 42 and disposed beneath tape 22 which, in turn, is provided with small apertures 44 through which the negative pressure, produced by pump 42, acts on web 18.
  • Such suction units are preferably provided upstream and downstream of the stations 10 through 16.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Advancing Webs (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP96100799A 1995-02-23 1996-01-20 Vorrichtung zum Transport einer Bahn durch Stationen einer Arbeitsanlage Expired - Lifetime EP0728693B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19506194 1995-02-23
DE19506194A DE19506194A1 (de) 1995-02-23 1995-02-23 Vorrichtung zum Fördern einer Bahn durch Stationen einer Anlage

Publications (3)

Publication Number Publication Date
EP0728693A2 true EP0728693A2 (de) 1996-08-28
EP0728693A3 EP0728693A3 (de) 1997-04-16
EP0728693B1 EP0728693B1 (de) 2000-07-12

Family

ID=7754770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96100799A Expired - Lifetime EP0728693B1 (de) 1995-02-23 1996-01-20 Vorrichtung zum Transport einer Bahn durch Stationen einer Arbeitsanlage

Country Status (3)

Country Link
EP (1) EP0728693B1 (de)
JP (1) JPH08268606A (de)
DE (2) DE19506194A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055313A1 (de) * 1997-06-06 1998-12-10 Koenig & Bauer Aktiengesellschaft Verfahren zum quertrennen einer laufenden papierbahn
DE10009188A1 (de) * 2000-02-26 2001-08-30 Voith Paper Patent Gmbh Vakuum-Bandfördervorrichtung
US6630057B2 (en) 2000-02-26 2003-10-07 Voith Paper Patent Gmbh Vacuum belt conveyor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1610818A (en) * 1925-01-31 1926-12-14 Spadone Machine Company Inc Feeding mechanism
EP0031515A1 (de) * 1979-12-11 1981-07-08 FOCKE & CO. Vorrichtung zum Herstellen von Packungs-Zuschnitten durch Abtrennen von einer fortlaufenden Bahn
US4810006A (en) * 1987-05-26 1989-03-07 Katz Marcella M Stabilized sheet materials for use with computer-directed printers and method of stabilizing same for computer printers
US4863546A (en) * 1983-07-01 1989-09-05 Roland Melzer Apparatus and method for manufacturing plastic cards
US5345863A (en) * 1993-01-28 1994-09-13 Kanebo Ltd. Continuous web printing apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1610818A (en) * 1925-01-31 1926-12-14 Spadone Machine Company Inc Feeding mechanism
EP0031515A1 (de) * 1979-12-11 1981-07-08 FOCKE & CO. Vorrichtung zum Herstellen von Packungs-Zuschnitten durch Abtrennen von einer fortlaufenden Bahn
US4863546A (en) * 1983-07-01 1989-09-05 Roland Melzer Apparatus and method for manufacturing plastic cards
US4810006A (en) * 1987-05-26 1989-03-07 Katz Marcella M Stabilized sheet materials for use with computer-directed printers and method of stabilizing same for computer printers
US5345863A (en) * 1993-01-28 1994-09-13 Kanebo Ltd. Continuous web printing apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055313A1 (de) * 1997-06-06 1998-12-10 Koenig & Bauer Aktiengesellschaft Verfahren zum quertrennen einer laufenden papierbahn
EP1110723A2 (de) * 1997-06-06 2001-06-27 Koenig & Bauer Aktiengesellschaft Verfahren zum Führen und Trennen einer Papierbahn
EP1110724A2 (de) * 1997-06-06 2001-06-27 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Einziehen einer Papierbahn
EP1110723A3 (de) * 1997-06-06 2001-08-08 Koenig & Bauer Aktiengesellschaft Verfahren zum Führen und Trennen einer Papierbahn
EP1110724A3 (de) * 1997-06-06 2001-08-08 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Einziehen einer Papierbahn
US6419217B1 (en) 1997-06-06 2002-07-16 Koenig & Bauer Aktiengesellschaft Drawings-in- of paper webs
DE10009188A1 (de) * 2000-02-26 2001-08-30 Voith Paper Patent Gmbh Vakuum-Bandfördervorrichtung
US6630057B2 (en) 2000-02-26 2003-10-07 Voith Paper Patent Gmbh Vacuum belt conveyor

Also Published As

Publication number Publication date
EP0728693B1 (de) 2000-07-12
DE69609215D1 (de) 2000-08-17
EP0728693A3 (de) 1997-04-16
DE19506194A1 (de) 1996-08-29
JPH08268606A (ja) 1996-10-15
DE69609215T2 (de) 2001-03-08

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