EP0865329A1 - Machine for removing wrap-around labels or shrink-wraps from bottles or similar devices - Google Patents

Machine for removing wrap-around labels or shrink-wraps from bottles or similar devices

Info

Publication number
EP0865329A1
EP0865329A1 EP97940045A EP97940045A EP0865329A1 EP 0865329 A1 EP0865329 A1 EP 0865329A1 EP 97940045 A EP97940045 A EP 97940045A EP 97940045 A EP97940045 A EP 97940045A EP 0865329 A1 EP0865329 A1 EP 0865329A1
Authority
EP
European Patent Office
Prior art keywords
cutting means
bottle
label
machine
bottles
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
EP97940045A
Other languages
German (de)
French (fr)
Other versions
EP0865329B1 (en
Inventor
Heinrich Klarl
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.)
Krones AG
Original Assignee
Krones AG
Krones AG Hermann Kronseder Maschinenfabrik
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
Priority claimed from DE19630690A external-priority patent/DE19630690A1/en
Application filed by Krones AG, Krones AG Hermann Kronseder Maschinenfabrik filed Critical Krones AG
Publication of EP0865329A1 publication Critical patent/EP0865329A1/en
Application granted granted Critical
Publication of EP0865329B1 publication Critical patent/EP0865329B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C3/00—Labelling other than flat surfaces
    • B65C3/06—Affixing labels to short rigid containers
    • B65C3/08—Affixing labels to short rigid containers to container bodies
    • B65C3/14—Affixing labels to short rigid containers to container bodies the container being positioned for labelling with its centre-line vertical
    • B65C3/16—Affixing labels to short rigid containers to container bodies the container being positioned for labelling with its centre-line vertical by rolling the labels onto cylindrical containers, e.g. bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/083—Removing scrap from containers, e.g. removing labels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C3/00—Labelling other than flat surfaces
    • B65C3/06—Affixing labels to short rigid containers
    • B65C3/065—Affixing labels to short rigid containers by placing tubular labels around the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/0015—Preparing the labels or articles, e.g. smoothing, removing air bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/20—Gluing the labels or articles
    • B65C9/22—Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating
    • B65C9/2204—Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating using spraying means
    • B65C9/2208—Applying the liquid on the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/08—Coverings or external coatings
    • B65D23/0842—Sheets or tubes applied around the bottle with or without subsequent folding operations
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/04—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps to be fastened or secured by the material of the label itself, e.g. by thermo-adhesion
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/0015—Preparing the labels or articles, e.g. smoothing, removing air bubbles
    • B65C2009/0018—Preparing the labels
    • B65C2009/0021—Preparing the labels for temporary attachment to transfer means or to the article
    • B65C2009/0025—Preparing the labels for temporary attachment to transfer means or to the article by electrostatical charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/0015—Preparing the labels or articles, e.g. smoothing, removing air bubbles
    • B65C2009/0059—Preparing the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2203/00—Decoration means, markings, information elements, contents indicators
    • B65D2203/02—Labels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0272—Labels for containers
    • G09F2003/0273—Labels for bottles, flasks
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10S156/934—Apparatus having delaminating means adapted for delaminating a specified article
    • Y10S156/935—Delaminating means in preparation for post consumer recycling
    • Y10S156/936—Means for delaminating container component in preparation for recycling, e.g. glass bottle, plastic bottle
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/924—Work wrapped or coated around a core, not part of the machine
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/929—Particular nature of work or product
    • Y10S83/946—Container
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/11—Methods of delaminating, per se; i.e., separating at bonding face
    • Y10T156/1126—Using direct fluid current against work during delaminating
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/11—Methods of delaminating, per se; i.e., separating at bonding face
    • Y10T156/1142—Changing dimension during delaminating [e.g., crushing, expanding, warping, etc.]
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/19—Delaminating means

Definitions

  • the invention relates to a machine for removing all-round labels or shrink sleeves from bottles or the like. According to the preamble of claim 1.
  • a corresponding machine is known from international patent application WO 95/32 814.
  • This machine has a rotary table with cutting tools for cutting through the all-round labels or sleeves and a separate chain conveyor for holding the bottles free of soil. There are blasting nozzles on the chain conveyor for detaching the labels from the bottles.
  • the invention has for its object to provide a compact, little space-consuming machine for removing wrap-around labels or shrink sleeves from bottles or the like.
  • This solution has the advantage that the carousel of the machine can be used to remove the labels or sleeves, which means that the chain conveyor previously used in the generic machine can be omitted without replacement.
  • the carousel is designed in this way, i.e. Equipped with appropriate holding devices so that the bottles can be kept hanging from the floor at the top.
  • the facilities required to remove the labels, e.g. Jet nozzles are arranged on the orbit of the carousel.
  • the cutting tools required to generate the dividing or weakening line in the labels are assigned to the infeed starwheel of the machine or are integrated therein.
  • FIG. 1 is a plan view of a label removal machine in a schematic representation
  • Fig. 2 is a partial vertical section through the
  • Fig. 3 is a plan view of part of the
  • FIG. 4 shows a vertical section through the carousel of the machine according to FIG. 1.
  • the label removal machine 50 has a carousel 51, to which an inlet star wheel 52 and an outlet star wheel 53 are assigned.
  • the carousel 51 and the run-out star wheel 53 are only indicated with their partial circles which touch at the transfer point.
  • a guide bend 54 is present between the inlet star wheel 52 and the outlet star wheel 53.
  • the infeed star wheel 52 is assigned a tangentially aligned worm gear 55 which, together with the infeed star wheel, forms the infeed area E of the machine.
  • the worm gear 55, the star wheel 52, the carousel 51 and the star wheel 53 are driven synchronously with each other.
  • the bottles 1 in the infeed starwheel 52 are slidably transported on a stationary slide plate 56 (FIG. 2), the bottles 1 being laterally trimmed by the guide arch 54 on the side opposite the infeed starwheel 52 and be led.
  • the inlet star wheel 52 has a driven shaft 57, which is vertically mounted in the machine frame in a manner not shown, to which a horizontal support disk 58 is attached in a rotationally fixed manner.
  • a cylinder 59 having a groove curve formed in the outer circumferential surface is rotatably mounted on the shaft 57, the cylinder 59 being secured against rotation by means of a torque support (not shown).
  • a pitch circle of the support disk 58 vertically arranged guide rods 69 are fastened, the upper ends of which are connected by a ring 60.
  • the bottle centering bodies 61 which can be seen in FIG. 1 are fastened on the support disk 58.
  • Two adjacent bottle centering bodies 61 each together form a receiving pocket for a bottle 1.
  • a vertical slot, which is present between two adjacent bottle centering bodies 61, is made by a cutting blade
  • a cam roller 66 is arranged, which engages in the groove curve of the cylinder 59 (FIG. 2).
  • the groove curve is designed in such a way that the cutting blade 62 penetrates with its tip from above between the upper edge of the label and the bottle wall when the block 65 moves downward and cuts the all-round label 2 from its inside facing the bottle wall towards the outside, while a bottle cuts the Circular section from the feed screw 55 to the carousel 51 passes.
  • the label can either only be cut at the upper edge or - if necessary - completely cut through to the lower edge of the label.
  • a predetermined breaking point is created on the circumference of the all-round label 2, which subsequently enables the label to be blown off by means of fluid jets, for example compressed air jets, when the carousel 51 is passed through.
  • fluid jets for example compressed air jets
  • the bottles 1 during the transfer from the star wheel 52 to the carousel 51 are gripped by elastic clips 90 running around the carousel 51 underneath the mouth on the neck and are guided past the blower nozzles 91, hanging from the floor, diagonally from above, to the top Label edge, emit fluid jets aligned essentially axially to the bottle wall (Fig. 4).
  • the blow nozzles 91 are arranged stationary on the carousel orbit.
  • a high-pressure water jet or a laser jet could be used instead of the cutting blade 62 assigned to each receiving pocket.
  • a laser light source could advantageously be positioned stationary on the infeed starwheel 52 if the laser beam is controlled by a controllable mirror, e.g. Oscillating mirror, is carried along for a short time to cut the label material according to the bottle movement. Means for creating a perforation line in the label material can also be used.
  • FIG. 3 shows a development of the inlet star wheel 52 from FIG. 1, only a small section of the outer periphery of the inlet star wheel 52 in the area of the worm gear 55 (FIG. 1) being shown in an enlarged illustration.
  • a bottle 1 leading cam 80 is firmly clamped to a bolt
  • the trailing cam 81 is clamped to a vertically aligned shaft 82 pivotally mounted in the centering body 61, with its protrudes lower end from the support plate 58 (not shown in Fig. 2).
  • a control lever 83 (FIG. 3) is fastened, which rotates together with the driven support plate 58 during operation and in the area of the worm gear 55 (FIG.
  • cam 84 (Fig. 3) engages. Due to the control curve 84 lying radially inside the control lever orbit, the cam 81, which is provided with a non-slip rubber coating, is pivoted counterclockwise in the direction of the cutting blade 62, the cam 81 resting frictionally on the label material and lifting it off in regions during the pivoting movement from the bottle wall. The second, on the opposite side positioned, uncontrolled cam 80 prevents rotation of the all-round label around the bottle body during this pivoting movement of the cam 81, so that the label between the cams 80 and 81 forms a loop facing the cutting blade 62.
  • the point of application A of the pivotable cam 81 lies at the beginning of the pivoting movement in front of the imaginary connecting line V of the control lever pivot axis 82 and the bottle vertical axis or the plane spanned by these two axes.
  • the side wall of an elastic bottle for example a PET bottle
  • the cams 80 and 81 assigned to the two bottles 1 are positioned Cutting knife 62 lowered and - as indicated in Fig. 2 - inserted from above between the bottle outer wall and the label back.
  • blown air can additionally be directed from above onto the upper label edge in a manner not shown in order to support the lifting of the label edge from the bottle wall.
  • the cutting movement of the cutting blade 62 is continued up to the lower edge of the label, i.e. the label is completely cut.
  • the cams 80 and 81 prevent the wrap-around label from slipping axially downward, especially when there is no or only a slight adhesive connection between a label 2 and a bottle 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Cleaning In General (AREA)
  • Labeling Devices (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

The invention relates to a machine for removing circular labels or shrinkwrap from bottles or similar items. In order to achieve a simple and compact embodiment of such a machine, the cutting agents are set up in the intake section of the machine.

Description

Maschine zum Entfernen von Rundumetiketten oder Schrumpfhülsen von Flaschen oder dgl. Machine for removing all-round labels or shrink sleeves from bottles or the like
Beschreibungdescription
Die Erfindung betrifft eine Maschine zum Entfernen von Rundumetiketten oder Schrumpfhülsen von Flaschen oder dgl. gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a machine for removing all-round labels or shrink sleeves from bottles or the like. According to the preamble of claim 1.
Eine entsprechende Maschine ist aus der internationalen Patentanmeldung WO 95/32 814 bekannt. Diese Maschine besitzt einen Drehtisch mit Schneidwerkzeugen zum Durchtrennen der Rundumetiketten oder Sleeves und einen separaten Kettenförderer zum bodenfreien Halten der Flaschen. Am Kettenförderer befinden sich Strahldüsen zum Ablösen der Etiketten von den Flaschen. Der Erfindung liegt die Aufgabe zugrunde, eine kompakte, wenig Platz beanspruchende Maschine zum Entfernen von Rundumetiketten oder Schrumpfhulsen von Flaschen oder dgl. anzugeben .A corresponding machine is known from international patent application WO 95/32 814. This machine has a rotary table with cutting tools for cutting through the all-round labels or sleeves and a separate chain conveyor for holding the bottles free of soil. There are blasting nozzles on the chain conveyor for detaching the labels from the bottles. The invention has for its object to provide a compact, little space-consuming machine for removing wrap-around labels or shrink sleeves from bottles or the like.
Diese Aufgabe wird entsprechend dem kennzeichnenden Teil des Anspruchs 1 dadurch gelost, daß die Rundumetiketten oder Schrumpfhulsen im Einlaufbereich der Maschine mit einer Trenn- oder Schwachungslinie versehen werden.This object is achieved in accordance with the characterizing part of claim 1 in that the all-round labels or shrink sleeves are provided with a dividing or weakening line in the inlet area of the machine.
Diese Losung hat den Vorteil, daß das Karussell der Maschine zum Ablosen der Etiketten bzw. Sleeves verwendet werden kann, wodurch der bisher bei der gattungsge aßen Maschine verwendete Kettenförderer ersatzlos entfallen kann.This solution has the advantage that the carousel of the machine can be used to remove the labels or sleeves, which means that the chain conveyor previously used in the generic machine can be omitted without replacement.
Das Karussell ist so ausgebildet, d.h. mit entsprechenden Halteorganen ausgerüstet, daß die Flaschen am Kopfbereich bodenfrei hangend gehalten werden können. Die zum Ablosen der Etiketten benotigten Einrichtungen, z.B. Strahldüsen, sind an der Umlaufbahn des Karussells angeordnet.The carousel is designed in this way, i.e. Equipped with appropriate holding devices so that the bottles can be kept hanging from the floor at the top. The facilities required to remove the labels, e.g. Jet nozzles are arranged on the orbit of the carousel.
Gemäß einer vorteilhaften Ausgestaltung sind die zum Erzeugen der Trenn- oder Schwachungslinie in den Etiketten erforderlichen Schneidwerkzeuge dem Einlaufsternrad der Maschine zugeordnet bzw. in dieses integriert.According to an advantageous embodiment, the cutting tools required to generate the dividing or weakening line in the labels are assigned to the infeed starwheel of the machine or are integrated therein.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteranspruchen angegeben. Nachfolgend wird ein bevorzugtes Ausführungsbeispiel anhand der Fig. erläutert. Es zeigt:Advantageous developments of the invention are specified in the subclaims. A preferred exemplary embodiment is explained below with reference to the FIG. It shows:
Fig. 1 eine Draufsicht einer Etikettenentfernungsmaschine in schematischer Darstellung,1 is a plan view of a label removal machine in a schematic representation,
Fig. 2 einen vertikalen Teilschnitt durch dasFig. 2 is a partial vertical section through the
Einlaufsternrad der Maschine nach Fig. 1,Star wheel of the machine according to FIG. 1,
Fig. 3 eine Draufsicht auf einen Teil derFig. 3 is a plan view of part of the
Peripherie des Einlaufsternrades der Maschine nach Fig. 1 in vergrößerter Darstellung undPeriphery of the star wheel of the machine of FIG. 1 in an enlarged view and
Fig. 4 einen vertikalen Schnitt durch das Karussell der Maschine nach Fig. 1.4 shows a vertical section through the carousel of the machine according to FIG. 1.
Wie der Fig. 1 entnommen werden kann, besitzt die Etikettenentfernungsmaschine 50 ein Karussell 51, dem ein Einlaufsternrad 52 und ein Auslaufsternrad 53 zugeordnet ist. Das Karussell 51 und das Auslaufsternrad 53 sind nur mit ihren Teilkreisen angedeutet, die sich am Übergabepunkt berühren. Zwischen dem Einlaufsternrad 52 und dem Auslaufsternrad 53 ist ein Führungsbogen 54 vorhanden. Dem Einlaufsternrad 52 ist eine tangential ausgerichtete Einteilschnecke 55 zugeordnet, die zusammen mit dem Einlaufsternrad den Einlaufbereich E der Maschine bildet. Die Einteilschnecke 55, das Einlaufsternrad 52, das Karussell 51 und das Auslaufsternrad 53 werden synchron zueinander angetrieben. Beim Durchfahren des Kreisabschnittes von der Emteilschnecke 55 bis zum Übergabepunkt am Karussell 51 werden die Flaschen 1 im Einlaufsternrad 52 auf einer ortsfesten Überschubplatte 56 gleitend transportiert (Fig. 2), wobei die Flaschen 1 an der dem Einlaufsternrad 52 gegenüberliegenden Seite vom Führungsbogen 54 seitlich gestutzt und gefuhrt werden.As can be seen from FIG. 1, the label removal machine 50 has a carousel 51, to which an inlet star wheel 52 and an outlet star wheel 53 are assigned. The carousel 51 and the run-out star wheel 53 are only indicated with their partial circles which touch at the transfer point. A guide bend 54 is present between the inlet star wheel 52 and the outlet star wheel 53. The infeed star wheel 52 is assigned a tangentially aligned worm gear 55 which, together with the infeed star wheel, forms the infeed area E of the machine. The worm gear 55, the star wheel 52, the carousel 51 and the star wheel 53 are driven synchronously with each other. When passing through the circular section from the feed screw 55 to the transfer point on the carousel 51, the bottles 1 in the infeed starwheel 52 are slidably transported on a stationary slide plate 56 (FIG. 2), the bottles 1 being laterally trimmed by the guide arch 54 on the side opposite the infeed starwheel 52 and be led.
Das Einlaufsternrad 52 besitzt eine in nicht naher dargestellter Weise im Maschmengestell vertikal gelagerte, angetriebene Welle 57, an der eine horizontale Tragscheibe 58 verdrehfest angebracht ist. Oberhalb der Tragscheibe 58 ist ein eine in die äußere Umfangsflache eingeformte Nutkurve aufweisender Zylinder 59 frei drehbar auf der Welle 57 gelagert, wobei der Zylinder 59 mittels einer nicht dargestellten Drehmomentstutze gegen Verdrehen gesichert ist. Auf einem Teilkreis der Tragscheibe 58 sind vertikal stehend angeordnete Fuhrungsstangen 69 befestigt, deren obere Enden durch einen Ring 60 verbunden sind. Ferner sind auf der Tragscheibe 58 die in Fig. 1 erkennbaren Flaschenzentrierkorper 61 befestigt.The inlet star wheel 52 has a driven shaft 57, which is vertically mounted in the machine frame in a manner not shown, to which a horizontal support disk 58 is attached in a rotationally fixed manner. Above the support disk 58, a cylinder 59 having a groove curve formed in the outer circumferential surface is rotatably mounted on the shaft 57, the cylinder 59 being secured against rotation by means of a torque support (not shown). On a pitch circle of the support disk 58, vertically arranged guide rods 69 are fastened, the upper ends of which are connected by a ring 60. Furthermore, the bottle centering bodies 61 which can be seen in FIG. 1 are fastened on the support disk 58.
Zwei benachbarte Flaschenzentrierkorper 61 bilden zusammen jeweils eine Aufnahmetasche für eine Flasche 1. Ein jeweils zwischen zwei benachbarten Flaschenzentrierkorpern 61 vorhandener senkrechter Schlitz wird von einer SchneidklingeTwo adjacent bottle centering bodies 61 each together form a receiving pocket for a bottle 1. A vertical slot, which is present between two adjacent bottle centering bodies 61, is made by a cutting blade
62 durchgriffen, die an einem Ende um eine horizontale Achse62 penetrated at one end about a horizontal axis
63 schwenkbar gelagert ist und von einer Druckfeder 64 mit ihrem gegenüberliegenden, eine Schneide aufweisenden Ende permanent in Richtung zur Flaschenwand beaufschlagt wird. Die zuvor genannte Achse 63 ist im Schlitz eines Fuhrungsstangenpaares 69 vertikal verschiebbar gelagerten Klotzes 65 befestigt. An der zur Welle 57 weisenden Seite des Klotzes 65 ist eine Kurvenrolle 66 angeordnet, die in die Nutkurve des Zylinders 59 eingreift (Fig. 2) .63 is pivotally mounted and by a compression spring 64 with its opposite end having a cutting edge is permanently applied towards the bottle wall. The aforementioned axis 63 is fastened in the slot of a pair of guide rods 69, block 65 which is mounted so as to be vertically displaceable. On the side of the block 65 facing the shaft 57, a cam roller 66 is arranged, which engages in the groove curve of the cylinder 59 (FIG. 2).
Der Nutkurvenverlauf ist so gestaltet, daß die Schneidklinge 62 bei einer Abwartsbewegung des Klotzes 65 mit ihrer Spitze von oben zwischen dem oberen Etikettenrand und der Flaschenwand eindringt und das Rundumetikett 2 von seiner zur Flaschenwand weisenden Innenseite her in Richtung zur Außenseite durchtrennt, wahrend eine Flasche den Kreisabschnitt von der Emteilschnecke 55 bis zum Karussell 51 passiert. Je nach der zur Verfugung stehenden Lange des Kreisabschnittes und der Etikettenmaterialeigenschaften kann das Etikett am oberen Rand entweder nur angeschnitten oder - falls notwendig- vollständig bis zum unteren Etikettenrand durchtrennt werden.The groove curve is designed in such a way that the cutting blade 62 penetrates with its tip from above between the upper edge of the label and the bottle wall when the block 65 moves downward and cuts the all-round label 2 from its inside facing the bottle wall towards the outside, while a bottle cuts the Circular section from the feed screw 55 to the carousel 51 passes. Depending on the length of the circular section available and the properties of the label material, the label can either only be cut at the upper edge or - if necessary - completely cut through to the lower edge of the label.
Entscheidend ist, daß am Umfang des Rundumetiketts 2 eine Sollbruchstelle entsteht, die nachfolgend beim Durchfahren des Karussells 51 ein Abblasen des Etiketts mittels Fluidstrahlen, beispielsweise Druckluftstrahlen, ermöglicht. Zu diesem Zweck werden die Flaschen 1 be der Übergabe vom Einlaufsternrad 52 an das Karussell 51 von mit dem Karussell 51 umlaufenden, elastischen Klammern 90 unterhalb der Mundung am Hals erfaßt und bodenfrei hangend an Blasdusen 91 vorbeigefuhrt, die schräg von oben, auf den oberen Etikettenrand, im wesentlichen axial zur Flaschenwand ausgerichtete Fluidstrahlen abgeben (Fig. 4). Die Blasdusen 91 sind stationär an der Karussellumlaufbahn angeordnet.It is crucial that a predetermined breaking point is created on the circumference of the all-round label 2, which subsequently enables the label to be blown off by means of fluid jets, for example compressed air jets, when the carousel 51 is passed through. For this purpose, the bottles 1 during the transfer from the star wheel 52 to the carousel 51 are gripped by elastic clips 90 running around the carousel 51 underneath the mouth on the neck and are guided past the blower nozzles 91, hanging from the floor, diagonally from above, to the top Label edge, emit fluid jets aligned essentially axially to the bottle wall (Fig. 4). The blow nozzles 91 are arranged stationary on the carousel orbit.
Abweichend von dem vorstehend beschriebenen Ausfuhrungsbeispiel, konnte anstelle der jeder Aufnahmetasche zugeordneten Schneidklinge 62 ein Hochdruckwasserstrahl oder ein Laserstrahl zum Einsatz kommen. Eine Laserlichtquelle könnte vorteilhafterweise stationär am Einlaufsternrad 52 positioniert werden, wenn der Laserstrahl mittels eines steuerbaren Spiegels, z.B. Schwingspiegel, kurzzeitig zum Schneiden des Etikettenmaterials der Flaschenbewegung entsprechend mitgeführt wird. Es können auch Mittel zum Erzeugen einer Perforationslinie im Etikettenmaterial verwendet werden.In a departure from the exemplary embodiment described above, a high-pressure water jet or a laser jet could be used instead of the cutting blade 62 assigned to each receiving pocket. A laser light source could advantageously be positioned stationary on the infeed starwheel 52 if the laser beam is controlled by a controllable mirror, e.g. Oscillating mirror, is carried along for a short time to cut the label material according to the bottle movement. Means for creating a perforation line in the label material can also be used.
Die Fig. 3 zeigt eine Weiterbildung des Einlaufsternrades 52 aus der Fig. 1, wobei nur ein kleiner Ausschnitt der äußeren Peripherie des Einlaufsternrades 52 im Bereich der Einteilschnecke 55 (Fig. 1) in vergrößerter Abbildung dargestellt ist.FIG. 3 shows a development of the inlet star wheel 52 from FIG. 1, only a small section of the outer periphery of the inlet star wheel 52 in the area of the worm gear 55 (FIG. 1) being shown in an enlarged illustration.
Auf der Oberseite der die Aufnahmetaschen für die Flaschen 1 bildenden Zentrierkörper 61 sind zwei Nocken 80 bzw. 81 angeordnet. Der -in Drehrichtung D des Sternrades gesehen- einer Flasche 1 vorauseilende Nocken 80 ist fest an einem Bolzen angeklemmt, wahrend der nachlaufende Nocken 81 an einer im Zentrierkorper 61 schwenkbar gelagerten, vertikal ausgerichteten Welle 82 angeklemmt ist, die mit ihrem unteren Ende aus der Tragplatte 58 (in Fig. 2 nicht dargestellt) herausragt. An diesem unteren Ende der Welle 82 ist ein Steuerhebel 83 (Fig. 3) befestigt, der im Betrieb zusammen mit der angetriebenen Tragplatte 58 umlauft und dabei im Bereich der Einteilschnecke 55 (Fig. 1) unmittelbar nach dem Einführen einer Flasche 1 mit einer unterhalb der Tragplatte ortsfest angeordneten Steuerkurve 84 (Fig. 3) in Eingriff gelangt. Durch die radial innerhalb der Steuerhebelumlaufbahn liegende Steuerkurve 84 wird der mit einem griffigen Gummibelag ausgestattete Nocken 81 gegen den Uhrzeigersinn in Richtung zur Schneidklinge 62 geschwenkt, wobei der Nocken 81 am Etikettenmaterial reibschlussig anliegt und es bei der Schwenkbewegung von der Flaschenwand bereichsweise abhebt. Der zweite, an der gegenüberliegenden Seite positionierte, ungesteuerte Nocken 80 verhindert während dieser Schwenkbewegung des Nockens 81 ein Verdrehen des Rundumetiketts um den Flaschenrumpf, so daß das Etikett zwischen den Nocken 80 und 81 eine zur Schneidklinge 62 weisende Schlaufe bildet.On the top of the centering body 61 forming the receiving pockets for the bottles 1, two cams 80 and 81 are arranged. The - seen in the direction of rotation D of the star wheel - a bottle 1 leading cam 80 is firmly clamped to a bolt, while the trailing cam 81 is clamped to a vertically aligned shaft 82 pivotally mounted in the centering body 61, with its protrudes lower end from the support plate 58 (not shown in Fig. 2). At this lower end of the shaft 82, a control lever 83 (FIG. 3) is fastened, which rotates together with the driven support plate 58 during operation and in the area of the worm gear 55 (FIG. 1) immediately after the introduction of a bottle 1 with one below the support plate fixedly arranged cam 84 (Fig. 3) engages. Due to the control curve 84 lying radially inside the control lever orbit, the cam 81, which is provided with a non-slip rubber coating, is pivoted counterclockwise in the direction of the cutting blade 62, the cam 81 resting frictionally on the label material and lifting it off in regions during the pivoting movement from the bottle wall. The second, on the opposite side positioned, uncontrolled cam 80 prevents rotation of the all-round label around the bottle body during this pivoting movement of the cam 81, so that the label between the cams 80 and 81 forms a loop facing the cutting blade 62.
Der Angriffspunkt A des schwenkbaren Nockens 81 liegt zu Beginn der Schwenkbewegung vor der gedachten Verbindungslinie V der Steuerhebelschwenkachse 82 und der Flaschenhochachse bzw. der von diesen beiden Achsen aufgespannten Ebene . Während der Schwenkbewegung des Nockens 81 wird die Seitenwand einer elastischen Flasche, z.B. PET- Flasche, radial eingewölbt. Unmittelbar nach Abschluß der Nockenschwenkbewegung wird das zwischen den beiden einer Flasche 1 zugeordneten Nocken 80 und 81 positionierte Schneidmesser 62 abgesenkt und dabei -wie in Fig. 2 angedeutet- von oben zwischen der Flaschenaußenwand und der Etikettenruckseite eingeführt. Wahrend dieser Phase kann zusätzlich Blasluft in nicht naher dargestellter Weise von oben auf den oberen Etikettenrand gerichtet werden, um das Abheben des Etikettenrandes von der Flaschenwand zu unterstutzen.The point of application A of the pivotable cam 81 lies at the beginning of the pivoting movement in front of the imaginary connecting line V of the control lever pivot axis 82 and the bottle vertical axis or the plane spanned by these two axes. During the pivoting movement of the cam 81, the side wall of an elastic bottle, for example a PET bottle, is curved radially. Immediately after completion of the cam pivoting movement, the cams 80 and 81 assigned to the two bottles 1 are positioned Cutting knife 62 lowered and - as indicated in Fig. 2 - inserted from above between the bottle outer wall and the label back. During this phase, blown air can additionally be directed from above onto the upper label edge in a manner not shown in order to support the lifting of the label edge from the bottle wall.
Bei zahelastischen Etikettenmateπalien wird die Schnittbewegung der Schneidklinge 62 bis zum unteren Etikettenrand fortgesetzt, d.h. das Etikett wird vollständig durchtrennt. Die Nocken 80 und 81 verhindern beim Schneiden ein axiales Abrutschen des Rundumetiketts nach unten, vor allem wenn keine oder nur eine geringe Klebeverbindung zwischen einem Etikett 2 und einer Flasche 1 besteht. In the case of number-elastic label materials, the cutting movement of the cutting blade 62 is continued up to the lower edge of the label, i.e. the label is completely cut. The cams 80 and 81 prevent the wrap-around label from slipping axially downward, especially when there is no or only a slight adhesive connection between a label 2 and a bottle 1.

Claims

Maschine zum Entfernen von Rundumetiketten oder Schrumpfhülsen von Flaschen oder dgl .Patentansprüche Machine for removing all-round labels or shrink sleeves from bottles or the like
Maschine (50) zum Entfernen von Rundumetiketten (2) oder Schrumpfhülsen von Flaschen (1) oder dgl., die Schneidmittel (62) zum Erzeugen einer Trenn- oder Schwachungslinie im Etikettenmaterial, Mittel (91) zum Entfernen des Etikettenmaterials von den Flaschen und einen Transporteur (51) zum Befördern der Flaschen in der Maschine aufweist, dadurch gekennzeichnet, daß die Schneidmittel (62) im Einlaufbereich (E) der Maschine (50) angeordnet sind.Machine (50) for removing all-round labels (2) or shrink sleeves from bottles (1) or the like, the cutting means (62) for creating a dividing or weakening line in the label material, means (91) for removing the label material from the bottles and one Has conveyor (51) for conveying the bottles in the machine, characterized in that the cutting means (62) are arranged in the inlet area (E) of the machine (50).
Maschine nach Anspruch 1, dadurch gekennzeichnet, daß die Maschine im Einlaufbereich (E) ein Einlaufsternrad (52) aufweist und die Schneidmittel (62) mit der Drehbewegung des Einlaufsternrades zumindest abschnittsweise synchron mitführbar sind. Machine according to claim 1, characterized in that the machine has an inlet star wheel (52) in the inlet area (E) and the cutting means (62) can be carried in synchronism with the rotary movement of the inlet star wheel at least in sections.
3. Maschine nach Anspruch 2, dadurch gekennzeichnet, daß das Einlaufsternrad (52) gleichmäßig über seinen Umfang verteilt Aufnahmetaschen (61) und/oder Halteorgane für die Flaschen aufweist und die Schneidmittel (62) auf der radial inneren Seite der Flaschenumlaufbahn im Einlaufsternrad (52) angeordnet sind.3. Machine according to claim 2, characterized in that the inlet star wheel (52) evenly distributed over its circumference receiving pockets (61) and / or holding members for the bottles and the cutting means (62) on the radially inner side of the bottle orbit in the inlet star wheel (52 ) are arranged.
4. Maschine nach Anspruch 3, dadurch gekennzeichnet, daß jeder Aufnahmetasche (61) und/oder jedem Halteorgan ein eigenes Schneidmittel (62) zugeordnet ist, welches innerhalb eines Kreisabschnitts der Flaschenumlaufbahn im Einlaufsternrad (52) senkrecht zur Flaschenumlaufebene verfahrbar ist.4. Machine according to claim 3, characterized in that each receiving pocket (61) and / or each holding member is assigned its own cutting means (62) which can be moved within a circle section of the bottle orbit in the inlet star wheel (52) perpendicular to the bottle circulation level.
5. Maschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Schneidmittel Messerklingen5. Machine according to one of claims 1 to 4, characterized in that the cutting means knife blades
(62), Laser- oder Hochdruckwasserstrahlen sind.(62), laser or high pressure water jets.
6. Maschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß auf den zum Schneidmittel (62) weisenden Bereich des Etiketts (2) ein Fluidstrahl zum Abheben des Etikettenrandes von der Flaschenaußenwand gerichtet ist, und das Schneidmittel zwischen dem Etikett und der Flaschenaußenwand eingeführt wird.6. Machine according to one of claims 1 to 5, characterized in that a fluid jet for lifting the label edge from the bottle outer wall is directed to the cutting means (62) facing the area of the label (2), and the cutting means between the label and the bottle outer wall is introduced.
7. Maschine nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß den Schneidmitteln (62) reibschlussig mit dem Etikettenmaterial (2) in Eingriff bringbare Abhebekorper (80, 81) zugeordnet sind. 7. Machine according to one of claims 1 to 6, characterized in that the cutting means (62) frictionally associated with the label material (2) can be brought into engagement lifting body (80, 81).
8. Maschine nach Anspruch 7, dadurch gekennzeichnet, daß wenigstens ein Abhebekorper (81) derart betatigbar ist, daß der zum Schneidmittel (62) weisende Bereich des Etikettenrandes zumindest geringfügig von der Flaschenaußenwand abhebbar ist und das Schneidmittel an dieser Stelle zwischen dem Etikett und der Flaschenaußenwand einfuhrbar ist.8. Machine according to claim 7, characterized in that at least one lifting body (81) can be actuated in such a way that the region of the label edge facing the cutting means (62) can be at least slightly lifted off the outer wall of the bottle and the cutting means at this point between the label and the Bottle outer wall is importable.
9. Maschine nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Abhebekorper (80, 81) nockenfor ig ausgebildet sind.9. Machine according to claim 7 or 8, characterized in that the lifting body (80, 81) are formed nockenfor ig.
10. Maschine nach Anspruch 9, dadurch gekennzeichnet, daß jeweils ein Paar Abhebenocken (80, 81) an einem Etikett (2) einer Flasche (1) angreifen, wobei wenigstens ein10. Machine according to claim 9, characterized in that each engage a pair of lifting cams (80, 81) on a label (2) of a bottle (1), at least one
Abhebenocken (81) um eine zur Flaschenhochachse im wesentlichen parallele Achse (82) gesteuert schwenkbar Lifting cam (81) can be pivoted in a controlled manner about an axis (82) which is essentially parallel to the bottle vertical axis
11. Maschine nach einem der Ansprüche 3 bis 10, dadurch gekennzeichnet, daß m jeder Aufnahmetasche (61) des Einlaufsternrades (52) jeweils ein Paar Abhebenocken11. Machine according to one of claims 3 to 10, characterized in that m each receiving pocket (61) of the inlet star wheel (52) each have a pair of lifting cams
(80, 81) mit einem gegenseitigen Zwischenabstand angeordnet ist und wenigstens einer der beiden Nocken (81) beim oder nach dem Einfuhren einer Flasche (1) m eine Aufnahmetasche m Richtung zum Schneidmittel (62) gesteuert schwenkbar ist, vorzugsweise mittels eines Steuerhebels (83), der mit dem schwenkbaren Nocken (81) verdrehfest verbunden ist, und einer ortsfest an der Umlaufbahn des Einlaufsternrades (52) angeordneten Steuerkurve (84) .(80, 81) is arranged at a mutual spacing and at least one of the two cams (81) can be pivoted in the direction of the cutting means (62) in a controlled manner in the direction of the cutting means (62) during or after the introduction of a bottle (1), preferably by means of a control lever (83 ) with the swiveling cam (81) is connected in a rotationally fixed manner, and a control cam (84) which is arranged in a stationary manner on the orbit of the inlet star wheel (52).
12. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Teilkreis des Einlaufsternrades (52) den Teilkreis eines Karussells (51) berührt, welches mit Einrichtungen zum Entfernen der Etiketten (2) ausgestattet ist, vorzugsweise mit schräg, im wesentlichen axial auf den Rand eines Etiketts gerichteten Fluidstrahldüsen (91) .12. The device according to one of claims 1 to 11, characterized in that the pitch circle of the inlet star wheel (52) touches the pitch circle of a carousel (51) which is equipped with devices for removing the labels (2), preferably with oblique, substantially fluid jet nozzles (91) directed axially onto the edge of a label.
13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß das Karussell (51) mit auf seinem Teilkreis angeordneten, umlaufenden Halteelementen, vorzugsweise elastischen Halteklammern (90), zum bodenfreien Halten der Flaschen (1) an ihrem Kopfbereich ausgestattet ist. 13. The apparatus according to claim 12, characterized in that the carousel (51) with circumferential holding elements arranged on its pitch circle, preferably elastic holding clips (90), for bottomless holding of the bottles (1) is equipped at its head region.
EP97940045A 1996-07-30 1997-07-30 Machine for removing wrap-around labels or shrink-wraps from bottles or similar devices Expired - Lifetime EP0865329B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE19630690 1996-07-30
DE19630690A DE19630690A1 (en) 1996-07-30 1996-07-30 Bottle or the like with a label encompassing the scope, method and device for producing this bottle
DE19641156 1996-10-07
DE19641156 1996-10-07
DE19643403 1996-10-21
DE19643403 1996-10-21
PCT/EP1997/004129 WO1998004367A1 (en) 1996-07-30 1997-07-30 Machine for removing wrap-around labels or shrink-wraps from bottles or similar devices

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EP0865329A1 true EP0865329A1 (en) 1998-09-23
EP0865329B1 EP0865329B1 (en) 2002-09-18

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EP (1) EP0865329B1 (en)
JP (1) JP4008036B2 (en)
AT (1) ATE224245T1 (en)
BR (1) BR9706649A (en)
DE (1) DE59708259D1 (en)
WO (1) WO1998004367A1 (en)

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BR9706649A (en) 2001-08-28
ATE224245T1 (en) 2002-10-15
WO1998004367A1 (en) 1998-02-05
DE59708259D1 (en) 2002-10-24
EP0865329B1 (en) 2002-09-18
US6199615B1 (en) 2001-03-13
JP4008036B2 (en) 2007-11-14

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