EP0061805B1 - Vorrichtung zum Anbringen eines thermoplastischen Bandes um einen Gegenstand oder einen Stapel von Gegenständen - Google Patents

Vorrichtung zum Anbringen eines thermoplastischen Bandes um einen Gegenstand oder einen Stapel von Gegenständen Download PDF

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Publication number
EP0061805B1
EP0061805B1 EP82200323A EP82200323A EP0061805B1 EP 0061805 B1 EP0061805 B1 EP 0061805B1 EP 82200323 A EP82200323 A EP 82200323A EP 82200323 A EP82200323 A EP 82200323A EP 0061805 B1 EP0061805 B1 EP 0061805B1
Authority
EP
European Patent Office
Prior art keywords
tape
bending
faces
over
strainer
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
Application number
EP82200323A
Other languages
English (en)
French (fr)
Other versions
EP0061805A1 (de
Inventor
Auke Van Der Wal
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.)
Endra BV
Original Assignee
Endra BV
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Filing date
Publication date
Application filed by Endra BV filed Critical Endra BV
Priority to AT82200323T priority Critical patent/ATE14102T1/de
Publication of EP0061805A1 publication Critical patent/EP0061805A1/de
Application granted granted Critical
Publication of EP0061805B1 publication Critical patent/EP0061805B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes

Definitions

  • the invention relates to a device for applying a thermoplastic tape around an object or a stack of objects, said device comprising at least one set of two tape supply reels arranged at a distance from each other, two tape strainers arranged on the same side of the supply reels and mounted for movement towards and from each other and serving to force towards each other the portions of a tape extending between an object or a stack of objects and the supply reels after said tape has been applied in the form of a substantially U-shaped loop around part of the circumference of the object or stack of objects, said tape consisting of two previously interconnected tape portions, each of which emanates from a respective one of said two supply reels, two clamping faces formed on each one of the tape strainers and facing the other tape strainer, the clamping faces of each tape strainer being spaced apart in a direction transverse to the direction of movement of the tape strainers, a movable stop member having two side plates which are adapted to be inserted between the two tape strainers and are each bounded by a clamping face co-opera
  • a device of this kind is known from the U.S. patent specification 4.209.958.
  • the tape end portions to be bent-over by the second tape bending-over member come into contact with and are heated by the first tape bending-over member when in an oblique position in respectto the direction of movement of the tape strainers and they can only be bent-over by the second bending-over member from that oblique position onto the tape end portions which are already bent-over and heated by the first tape bending-over member, after the latter member has been retracted over a distance which is at least equal to the length of the overlapping area of the tape end portions to be welded together.
  • the invention has for its object to provide a device of the type referred to, in which the disadvantages of the known device are avoided.
  • the second tape bending-over member is also mounted on its tape strainer for reciprocation in the direction of movement of the tape strainers in the space confined between the two side plates of the stop member and the parts of the second tape bending-over member are each provided with a front face which is and remains during operation, substantially parallel to the front face of the first tape bending-over member and with a side face which is and remains substantially parallel to the supporting faces of the stop member, the second tape bending-over member being, during operation, so moved in respect of its tape strainer as to closely follow the first tape bending-over member during the latters return stroke through said space and to keep, for welding the heated and bent-over tape end portions to one another in pairs, the side faces of its two parts resiliently forced towards the respective supporting faces of the stop member by means for pressing said side faces of the second tape bending-over member towards the support faces of the stop member.
  • the device according to the present invention is constructed in such manner as to have at least said side faces and said front face of the first tape bending-over member formed by the outer surface of a bent strip of electrical resistance material forming part of said bending-over member and constituting the heating element, said strip being electrically insulated from the rest of the device and being adapted to be connected to an electric power source.
  • This strip of electrical resistance material then may have midway between the side faces of the first bending-over member a cross rib which protrudes from the front face of said member and forms the melting-through member.
  • a very simple construction is obtained, when said cross rib forming the melting-through member is formed by a forward bend of the strip and said bend has a substantially V-shaped cross-sectional area.
  • the strip of electrical resistance material can be easily mounted in the device and replaced by an other strip to adapt the device to other requirements such as an other width of the tape, an other voltage of the power source, an other required melting temperature, an other required power for the melting of the surface layers of the tape, etc.
  • reference 1 designates a stationary base frame, 2 a roller track for conveying pallets 3, and 4 two columns mounted on the base frame 1, one on each side of the roller track 2, and adjustable in the height direction.
  • Each column 4 supports four taping devices 5, some of which are omitted.
  • Each taping device 5 comprises a holder which is slidably and fixably arranged on one of the columns 4 and holds a tape supply reel 6, a guide roller 7 and a composite tape strainer 8. Every taping device 5 of one column 4 co-operates with a taping device of the other column.
  • the two co-operating taping devices are located at the same height above the roller track 2.
  • a tape is stretched between each pair of supply reels 6, this tape being formed by the tape 9 emanating from the supply reels 6 of the respective pair and having their ends interconnected.
  • the interconnected tape portions 9 are applied in the form of a U around the stack of objects 10 in the manner shown in that Figure.
  • the supply reels can rotate.only against a heavy frictional force so that the tape portions 9 are kept taut.
  • the pallet 3 with the objects 10 When the pallet 3 with the objects 10 has arrived at the position shown in Fig. 1, the pallet 3 is retained for a short time and the tape strainers 8 are moved towards one another. Thus the tape portions 9 extending between the stack of objects 10 and the supply reels 6 approach one another along said stack.
  • the head of the left hand tape strainer is provided with a stop member 13 with two side plates 14 which is mounted for swinging about a horizontal transverse pivot 12 and is held, during the active stroke of said tape strainer, in upwards slanting position out of reach of the tape portions 9 by a spring 15 (Fig. 2, 3).
  • the stop member 13 is resiliently connected with the head of said tape strainer by means of a compression spring 16 which is radially directed in respect of the pivot 12.
  • the tape strainers 8 are each provided with two clamping faces 17 spaced horizontally apart and the side plates 14 of the stop member 13 have clamping faces 18 which co-operate with the clamping faces 17. Furthermore these side plates are bounded on their sides facing each other by supporting faces 19. During movement of the tape strainers towards one another each tape portion 9 is stretched between and over the two clamping faces 17 of the respective tape strainer.
  • the right hand tape strainer is provided with a block 20 having a bevelled guiding face 21 and attached to the stop member 13 is a projection 22 adapted to co-operate with said guiding face.
  • a block 20 having a bevelled guiding face 21 and attached to the stop member 13 is a projection 22 adapted to co-operate with said guiding face.
  • the tape strainers approach each other the stop member 13, 14 is pushed downwards against the force of the spring 15 by the guiding face 21 and the projection 22 and it is then placed between the tape strainers 8 at some distance from the tape portions 9 which are stretched between the clamping faces 17 of the tape strainers.
  • the tape strainers continue to approach each other the stop member 13, 14 is pushed against the force of the spring 16 towards the left hand tape strainer and finally the tape portions 9 are clamped tightly between the clamping faces 17 and 18, each one in two spaced places.
  • This position is diagrammatically shown in Fig. 4. In that position the projection 22 engages a recess on the lower side of the
  • a tape bending-over member 23, 24 which is adapted to be displaced in the direction of movement of the tape strainers.
  • the bending-over member 23 of the left hand tape strainer consists of a block, over the front face and the free end portions of the sides of which a bow- shaped strip 25 of electrical resistance material is placed.
  • This strip is attached to the block of the tape bending-over member 23 through a plate of insulating material 26 (Figs. 4-9).
  • the strip 25 forms a heating element and can be inserted into an external electric circuit 29 through insulatedly mounted conductors 27 and bolts 28 (Figs. 2, 3).
  • the resistance strip 25 constitutes the active front face 30 and the faces 31 provided on the sides of the tape bending-over member 23.(Fig. 9). In the middle of its front face 30 the resistance strip 25 is so bent outwards as to form a vertical cross rib 32 having a U- or V-shaped cross sectional area.
  • This cross rib constitutes a melting-through member for melting the tape portions 9 held between the tape strainers 8 and the stop member 13, 14 midway between the clamping places.
  • the righthand tape bending-over member 24 consists generally of two brushing and pressing blocks 35 which are pivotally mounted about a vertical pivot 33 and loaded by a compression spring 34.
  • the front faces 36 of said blocks 35 are adapted to the front face 30 of the heating element 25 and co-operate with the latter and the free end portions of the side faces thereof constitute the brushing and press-on faces 37 of said tape bending-over member (Fig. 9).
  • the lefthand tape bending-over member 23 with its heating strip 25 is moved to the right.
  • the tape strainers with their accessories are moved from each other towards their rest positions out of reach of the track of the objects to be taped and the stop member 13, 14 is pushed upwards by the spring 15.
  • the tape applied around the stack of objects 10 is then closed and a new tape consisting of the tapes emanating from the tape supply reels 6 and welded together is ready to receive the next object or stack of objects to be enlaced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (4)

1. Vorrichtung zum Anbringen eines thermoplastischen Bandes (9) um einen Gegenstand oder Stapel von Gegenständen (10), welche Vorrichtung aufweist: Mindestens eine Gruppe von zwei im Abstand- voneinander angeordneten Bandvorratsspulen (6), zwei Bandspanner (8), die auf derselben Seite der Vorratsspulen (6) angeordnet und zu- und voneinander bewegbar gelagert sind und dazu dienen, nach dem Herumlegen des Bandes (9) in Form einer im wesentlichen U-förmigen Schleife um einen Teil des Umfangs des Gegenstandes oder Stapels von Gegenständen (10) die sich zwischen dem Gegenstand oder Stapel von Gegenständen (10) und den Vorratsspulen (6) erstreckenden Teile des Bandes (9) gegeneinander zu drücken, wobei das Band (9) aus zwei zuvor miteinander verbundenen Bandabschnitten besteht, von denen jeder von einer der beiden Vorratsspulen (6) ausgeht, zwei Klemmflächen (17), die an jedem der Bandspanner (8) ausgebildet und dem jeweils anderen Bandspanner (8) zugewendet sind, wobei die Klemmflächen (17) jedes Bandspanners (8) einen Abstand voneinander in Querrichtung zur Bewegungsrichtung der Bandspanner (8) haben, ein bewegliches Anschlagteil (13) mit zwei Seitenplatten (14), die zwischen die beiden Bandspanner (8) einführbar sind und jeweils begrenzt sind von einer Klemmfläche (18), die mit einer Klemmfläche (17) eines Bandspanners (8) zusammenwirkt, einer Klemmfläche (18), die mit einer Klemmfläche (17) des jeweils anderen Bandspanners zusammenwirkt, und einer Stützfläche (19), die sich zwischen den Klemmflächen (18) der Seitenplatte (14) in der Bewegungsrichtung der Bandspanner (8) erstreckt und der anderen Seitenplatte (14) zugewendet ist, Bandumbiegeteile (23, 24), von denen jedes bewegbar an jeweils einem der Bandspanner (8) befestigt ist, wobei das erste (23) der Umbiegeteile (23, 24) an seinem Bandspanner (8) in der Bewegungsrichtung der Bandspanner (8) in dem zwischen den Seitenplatten (14) des Anschlagteils (13) begrenzten Raum hin- und herbewegbar und in Richtung auf den anderen Bandspanner (8) während seines Vorwärtshubes bewegbar gelagert ist, wobei das erste Umbiegeteil (23) versehen ist mit Seitenflächen (31), die entlang und in kleinem Abstand von den Stützflächen (19) des Anschlagteils (13) bewegbar sind, einer sich zwischen den Seitenflächen (31) erstreckenden und dem anderen Bandspanner (8) zugewendeten Frontfläche (30), einem Durchschmelzteil (32), welches von der Frontfläche (30) gegen den anderen Bandspanner (8) vorsteht und mittig zwischen den Seitenflächen (31) angeordnet ist, und einem Heizelement (25) zum Heizen der Seitenflächen (31), der Frontfläche (30) und des Durchschmelzteils (32), und wobei das zweite der Umbiegeteile (24) beweglich an dem anderen Bandspanner (8) gelagert ist und aus zwei gegen die Stützflächen (19) des Anschlagteils (13) drückbaren Teilen (35) besteht, wobei dieses zweite Umbiegeteil (24) Flächen (36, 37) aufweist, die relativ zu den Klemmflächen (17) des anderen Bandspanners (8) bewegbar sind und durch welche im Betrieb Teile (39) des Bandes zuerst mit der erhitzten Frontfläche (30) des ersten Umbiegeteils (23) in Kontakt kommen und anschließend gegen die Stützflächen (19) des Anschlagteils (13) gedrückt werden, sowie Mittel zum Bewegen der Bandspanner (8), des Anschlagteils (13), des ersten Umlenkteils (23) mit dem Durchschmelzteil (32) und des zweiten Umbiegeteils (24) in einer gegebenen Reihenfolge, dadurch gekennzeichnet, daß das zweite Bandumbiegeteil (24) ebenfalls an seinem Bandspanner (8) in der Bewegungsrichtung der Bandspanner in dem zwischen den beiden Seitenplatten (14) des Anschlagteils (13) begrenzten Raum hin- und herbewegbar gelagert ist und daß die Teile (35) des zweiten Bandumbiegeteils (24) mit je einer Frontfläche (36), die im wesentlichen parallel zu der Frontfläche (30) des ersten Bandumbiegeteils (23) ist und im Betrieb so bleibt, sowie mit einer Seitenfläche (37), die im wesentlichen parallel zu den Stützflächen (19) des Anschlagteils (13) ist und im Betrieb so bleibt, versehen sind, wobei das zweite Bandumbiegeteil (24) im Betrieb derart relativ zu seinem Bandspanner (8) bewegt wird, daß es dem ersten Bandumbiegeteil (23) während dessen Rückhub in dem genannten Raum dicht folgt und zum paarweisen gegenseitigen Verschweißen der erhitzten und umgebogenen Bandenden die Seitenflächen (37) seiner beiden Teile (35) federnd gegen die zugehörigen Stützflächen (19) des Anschlagteils (13) angedrückt hält durch Mittel (34) zum Anpressen der Seitenflächen (37) des zweiten Bandumbiegeteils gegen die Stützflächen (19) des Anschlagteils.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß mindestens eine der Seitenflächen (31) und der Frontfläche (30) des ersten Bandumbiegeteils (23) durch die Außenfläche eines gebogenen Streifens (35) aus elektrischem Widerstandsmaterial gebildet sind, welches ein Teil des Umbiegeteils (23) ist und das Heizelement darstellt, wobei der Streifen (25) von dem rest der Einrichtung elektrisch isoliert (26) und an eine elektrische Stromquelle anschließbar ist.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Streifen (25) aus elektrischem Widerstandsmaterial mittig zwischen den Seitenflächen (31) des ersten Umbiegeteils (23) eine Querrippe (32) aufweist, die von der Frontfläche (30) des Teils (23) vorsteht und das Durchschmelzteil bildet.
4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Querrippe (32), die das Durchschmelzteil bildet, von einer vorwärts gerichteten Biegung des Streifens (25) gebildet ist, die eine im wesentliche V-förmige Querschnittsfläche hat.
EP82200323A 1981-03-20 1982-03-10 Vorrichtung zum Anbringen eines thermoplastischen Bandes um einen Gegenstand oder einen Stapel von Gegenständen Expired EP0061805B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82200323T ATE14102T1 (de) 1981-03-20 1982-03-10 Vorrichtung zum anbringen eines thermoplastischen bandes um einen gegenstand oder einen stapel von gegenstaenden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP81200320 1981-03-20
EP81200320 1981-03-20

Publications (2)

Publication Number Publication Date
EP0061805A1 EP0061805A1 (de) 1982-10-06
EP0061805B1 true EP0061805B1 (de) 1985-07-03

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EP82200323A Expired EP0061805B1 (de) 1981-03-20 1982-03-10 Vorrichtung zum Anbringen eines thermoplastischen Bandes um einen Gegenstand oder einen Stapel von Gegenständen

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EP (1) EP0061805B1 (de)
AU (1) AU548170B2 (de)
DE (1) DE3264492D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225751B4 (de) * 2002-06-10 2006-06-14 Anke Bauer-Berardi Vorrichtung zum Anbringen eines Umreifungsbandes an einem Gegenstand oder einem Stapel von Gegenständen
DE102022206826A1 (de) 2022-07-04 2024-01-04 Volkswagen Aktiengesellschaft Prozessanordnung zur Fertigung eines Stapelpakets für eine Batteriezelle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8503373A (nl) * 1985-12-06 1987-07-01 Endra Bv Werkwijze en inrichting voor het aanbrengen van een draad, een band, folie of een ander buigzaam omsnoeringselement om een voorwerp of een reeks op of naast elkaar geplaatste voorwerpen.
DE4027762C1 (de) * 1990-09-01 1991-09-12 Ostma Maschinenbau Gmbh, 5352 Zuelpich, De
ES2152640T3 (es) 1997-10-08 2001-02-01 France Feuillard S A Dispositivo para flejar un objeto o un grupo de objetos por medio de un fleje de material termoplastico.
NL1021798C2 (nl) * 2002-10-31 2004-05-07 Endra Bv Inrichting voor het aanbrengen van tenminste twee banden rond een of meer pakketten.
IT202100017840A1 (it) * 2021-09-03 2023-03-03 Erco Service S R L Apparato metti foglio e relativo dispositivo e metodo di alimentazione

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209958A (en) * 1977-10-10 1980-07-01 Bailey Peter E Article strapping

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE371133B (de) * 1973-03-19 1974-11-11 Platmanufaktur Ab
GB1502822A (en) * 1975-03-27 1978-03-01 Mvm Endra Application of tape to a package

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209958A (en) * 1977-10-10 1980-07-01 Bailey Peter E Article strapping

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225751B4 (de) * 2002-06-10 2006-06-14 Anke Bauer-Berardi Vorrichtung zum Anbringen eines Umreifungsbandes an einem Gegenstand oder einem Stapel von Gegenständen
DE10225751C5 (de) * 2002-06-10 2013-09-19 Anke Bauer-Berardi Vorrichtung zum Anbringen eines Umreifungsbandes an einem Gegenstand oder einem Stapel von Gegenständen
DE102022206826A1 (de) 2022-07-04 2024-01-04 Volkswagen Aktiengesellschaft Prozessanordnung zur Fertigung eines Stapelpakets für eine Batteriezelle

Also Published As

Publication number Publication date
AU548170B2 (en) 1985-11-28
EP0061805A1 (de) 1982-10-06
AU8156282A (en) 1982-09-23
DE3264492D1 (en) 1985-08-08

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