EP0061805A1 - Dispositif pour appliquer une bande en matière thermoplastique autour d'un objet ou d'un groupe d'objets - Google Patents

Dispositif pour appliquer une bande en matière thermoplastique autour d'un objet ou d'un groupe d'objets Download PDF

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Publication number
EP0061805A1
EP0061805A1 EP82200323A EP82200323A EP0061805A1 EP 0061805 A1 EP0061805 A1 EP 0061805A1 EP 82200323 A EP82200323 A EP 82200323A EP 82200323 A EP82200323 A EP 82200323A EP 0061805 A1 EP0061805 A1 EP 0061805A1
Authority
EP
European Patent Office
Prior art keywords
tape
faces
over
bending
strainers
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
EP82200323A
Other languages
German (de)
English (en)
Other versions
EP0061805B1 (fr
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
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 Endra BV filed Critical Endra BV
Priority to AT82200323T priority Critical patent/ATE14102T1/de
Publication of EP0061805A1 publication Critical patent/EP0061805A1/fr
Application granted granted Critical
Publication of EP0061805B1 publication Critical patent/EP0061805B1/fr
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 in order to force towards each other the portions of a tape extending between an object or a stack of objects and the supply reels and having already been applied in the form of a substantially U-shaped loop around a portion of the circumference of the object or stack of objects, said tape consisting of two previously interconnected pieces, each of which emanates from a respective one of said two supply reels, two clamping faces formed on the free end face of each tape strainer and spaced apart transversely to the direction of movement of the tape strainers, a 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-operating with a clamping face of one tape strainer, a clamping face co-opera
  • a device of this kind is known from the NL-patent specification no. 156357 and the patent specifications nos. US-3,950,203; UK-1 502 822; DE-2513668 which substantially correspond with the said Dutch specification.
  • the invention has for its object to adapt the known device in a simple manner for applying a thermoplastic tape, e.g. a thermoplastic tape reinforced by glass fibres, around an object or a stack of objects and welding the end portions of the tape together.
  • a thermoplastic tape e.g. a thermoplastic tape reinforced by glass fibres
  • the tape severing meber is a heatable member adapted to melt the tape locally through and the heating element is constructed for heating the head face, the melting-through member and the brushing faces of the first operative tape bending-over member
  • the head faces of the two tape bending-over members are so formed and adapted to each other as to ensure that, after the two pieces of tape have been clamped between the tape strainers and the stop member and, during the movement of the first operative tape bending-over member towards the other tape bending-over member, the first piece of tape has been melted through in two halves, thereupon the thereby produced separated tape end portions have been bent over, forced against the supporting faces of the stop member and superficial
  • the device constructed in acoordance with the invention differs from the device described by way of example in the cited patent specifications in that the means for applying glue between the tape end portions to be interconnected are omitted but the heating element meant to dry the adhesive joint is maintained.
  • a very simple construction of the tape applying device is obtained, when the active head face and the active brushing faces of the first operative tape bending-over member are formed by the outer surface of a the heating element constituting strip of electrical resistance material, said strip being bent over said tape bending-over member, electrically insulated in respect thereof and adapted to be connected to an electric power source.
  • the strip of electrical resistance material may have midway between the brushing faces a cross rib protruding from the head face and forming the melting-through member.
  • the simplest construction is obtained, when the strip of electrical resistance material has in the place of the melting-through member a cross rib formed by an outward bend of the strip, said bend having a U-or V-shaped cross sectional area.
  • the head face, the melting-through member and the brushing faces consequently, all active parts of the first operative tape bending-over member are constituted by one single bent strip of electrical resistance material. This makes it possible to use for tape of any possible width and for each voltage of the power source a suitable heating element or heat-strip.
  • 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 (Figs. 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 guidings 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 positon the projection 22 engages a recess on 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 head 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 insulated conductors 27 and bolts 28 (figs. 2,3).
  • the resistance strip 25 constitutes the active head face 30 and the brushing faces 31 provided on the sides of the tape bending-over member 23 (Fig. 9). In the middle of its head 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 head faces 36 of said blocks 35 are adapted to the head face 30 of the heating element 25 and c o-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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP82200323A 1981-03-20 1982-03-10 Dispositif pour appliquer une bande en matière thermoplastique autour d'un objet ou d'un groupe d'objets Expired EP0061805B1 (fr)

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 true EP0061805A1 (fr) 1982-10-06
EP0061805B1 EP0061805B1 (fr) 1985-07-03

Family

ID=8188116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82200323A Expired EP0061805B1 (fr) 1981-03-20 1982-03-10 Dispositif pour appliquer une bande en matière thermoplastique autour d'un objet ou d'un groupe d'objets

Country Status (3)

Country Link
EP (1) EP0061805B1 (fr)
AU (1) AU548170B2 (fr)
DE (1) DE3264492D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782648A (en) * 1985-12-06 1988-11-08 501 Endra B.V. Device for applying a pre-tensioned binding element, around objects
EP0477487A1 (fr) * 1990-09-01 1992-04-01 OSTMA Maschinenbau GmbH Procédé pour la fabrication d'un emballage pour un ensemble d'articles
EP0908384A1 (fr) 1997-10-08 1999-04-14 France Feuillard S.A. Dispositif pour le cerclage d'un objet ou d'un groupe d'objets au moyen d'un feuillard en matière thermoplastique
NL1021798C2 (nl) * 2002-10-31 2004-05-07 Endra Bv Inrichting voor het aanbrengen van tenminste twee banden rond een of meer pakketten.
US20250066053A1 (en) * 2021-09-03 2025-02-27 Ercopac S.r.l. Sheet placing apparatus and related feeding device and method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933569A (en) * 1973-03-19 1976-01-20 Halvor Grasvoll Tool for welding together two plastics films wrapping an object
GB1502822A (en) * 1975-03-27 1978-03-01 Mvm Endra Application of tape to a package

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU520821B2 (en) * 1977-10-10 1982-03-04 Gerrard Wire Tying Machines Co. Article strapping

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933569A (en) * 1973-03-19 1976-01-20 Halvor Grasvoll Tool for welding together two plastics films wrapping an object
GB1502822A (en) * 1975-03-27 1978-03-01 Mvm Endra Application of tape to a package

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782648A (en) * 1985-12-06 1988-11-08 501 Endra B.V. Device for applying a pre-tensioned binding element, around objects
EP0477487A1 (fr) * 1990-09-01 1992-04-01 OSTMA Maschinenbau GmbH Procédé pour la fabrication d'un emballage pour un ensemble d'articles
TR25401A (tr) * 1990-09-01 1993-03-01 Ostma Maschinenbau Gmbh Parca halindeki mallarin ambalajlanmasinda kullanilan bir yöntem
US5551212A (en) * 1990-09-01 1996-09-03 Ostma Maschinenbau Gmbh Method of packaging articles
EP0908384A1 (fr) 1997-10-08 1999-04-14 France Feuillard S.A. Dispositif pour le cerclage d'un objet ou d'un groupe d'objets au moyen d'un feuillard en matière thermoplastique
NL1021798C2 (nl) * 2002-10-31 2004-05-07 Endra Bv Inrichting voor het aanbrengen van tenminste twee banden rond een of meer pakketten.
WO2004039676A1 (fr) * 2002-10-31 2004-05-13 Endra B.V. Dispositif servant a appliquer au moins deux feuillards autour d'un paquet
JP2006504588A (ja) * 2002-10-31 2006-02-09 エンドラ・ベスローテン・フェンノートシャップ 少なくとも２つのストラップをパケット周辺に取り付けるための装置
US20250066053A1 (en) * 2021-09-03 2025-02-27 Ercopac S.r.l. Sheet placing apparatus and related feeding device and method

Also Published As

Publication number Publication date
AU548170B2 (en) 1985-11-28
EP0061805B1 (fr) 1985-07-03
AU8156282A (en) 1982-09-23
DE3264492D1 (en) 1985-08-08

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