EP0981479B1 - Hoop-casing device - Google Patents

Hoop-casing device Download PDF

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Publication number
EP0981479B1
EP0981479B1 EP98912183A EP98912183A EP0981479B1 EP 0981479 B1 EP0981479 B1 EP 0981479B1 EP 98912183 A EP98912183 A EP 98912183A EP 98912183 A EP98912183 A EP 98912183A EP 0981479 B1 EP0981479 B1 EP 0981479B1
Authority
EP
European Patent Office
Prior art keywords
tool
counter
bearing
bearing part
hoop
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 - Lifetime
Application number
EP98912183A
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German (de)
French (fr)
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EP0981479A1 (en
Inventor
Manfred Rauch
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.)
Fromm Holding AG
Original Assignee
Fromm Holding AG
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Filing date
Publication date
Application filed by Fromm Holding AG filed Critical Fromm Holding AG
Publication of EP0981479A1 publication Critical patent/EP0981479A1/en
Application granted granted Critical
Publication of EP0981479B1 publication Critical patent/EP0981479B1/en
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Expired - Lifetime legal-status Critical Current

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    • 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
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24—Securing ends of binding material
    • B65B13/32—Securing ends of binding material by welding, soldering, or heat-sealing; by applying adhesive
    • B65B13/327—Hand tools

Definitions

  • the invention relates to a strapping tool for strapping an object with a thermoweldable one around it Plastic tape, according to the preamble of the claim 1.
  • Strapping tools of the type mentioned are multiple known, for example from EP-0744342. You point a tool part and a support part, the opposite and matching contact surfaces similar to teeth are structured in order to clamp and friction weld grasp the plastic tape as effectively as possible can.
  • the object of the invention is a generic strapping tool to create that does not have the disadvantage mentioned having.
  • the stated task is carried out by a generic strapping tool by the characteristic Features of claim 1 solved.
  • the concave support surface of the support part made up of several strings Pieces together, namely from the majority from the outside of the holding jaws, which is compared to the previous one State of the art allows smaller areas of the concave Working area to be processed individually and the processing effort lower accordingly.
  • the Holding jaws each with a substantially flat and rectangular outside are provided, the edges of this Outside of the axis of rotation and the swivel axis parallel are.
  • Such holding jaws are then inexpensive on one flat outside workable and with an optimal Interlocking structure. They can also be used during assembly line up and fasten on the shoe so that they together on the surface of a prism with the axis of rotation and the pivot axis substantially parallel edges come to rest.
  • the holding jaws manufactured and assembled in this way together form a support surface of the support part, which approximates the generally cylindrical tool surface of the tool part fits what together with the optimal Gearing allows the overlapping introduced in between Belt parts easy to grasp and hold and high Apply tension forces to it.
  • the strapping device according to the invention shown in the figures is used for strapping an object with a therefore placed plastic tape and is based on an embodiment described, it being understood that the Not to limit the invention to this embodiment is.
  • the strapping device shown comprises on a housing 1 a device 2 for tensioning a heat-weldable Plastic tape 3 and for friction welding two overlapping band parts 4 and 5 of this plastic band 3.
  • the device 2 comprises one about an axis of rotation 6 rotatable and drivable tool part 7, which is a general has cylindrical tool surface 8.
  • the support surface 10 and advantageously also the tool surface 8 are structured around the plastic band 3 to be able to grasp as effectively as possible. But while the tool surface 8 in the conventional manner of a Pawl toothing is structured, has the bearing surface 10 a special set of teeth, which are described in more detail below and is best seen in Figs. 3, 4 and 5.
  • the support part 9 comprises a separate shoe 13 which is formed in several parts.
  • the shoe 13 consists of three around the Axis of rotation 6 holding jaws 14 lined up angularly, 16 and 18 together. These holding jaws 14, 16 and 18 have respective outer sides 15, 17 and 19 on the edges 20, 21, 22, 23 adjoin each other and together an outside 24 of the shoe 13 and thereby also the bearing surface 10 of the Form support part 9.
  • FIGS. 3 and 5 out The fastening of the shoe 13 or the holding jaws 14 16 and 18 on the support part 9 is best seen in FIGS. 3 and 5 out.
  • the holding jaws 14, 16 and 18 each end on both sides Projections 26, each one of two jaws 27 and 28 reach under.
  • These jaws 27 and 28 are with the help of screws 29, guide pins 30 and washers 31 on the support part 9 attached and in turn hold the holding jaws 14, 16 and 18 when the screws 29 are tightened on the support part 9 are.
  • the processing of the outer sides 15, 17 and 19 of the holding jaws 14, 16 and 18 leads to the formation of a structuring for example like the one best seen in Fig. 3, 4 and 5 emerges.
  • the flat outer sides 15, 17 and 19 of the Holding jaws 14, 16 and 18 allow and facilitate machining the holding jaws by milling or grinding in different Directions essentially parallel to the outside and at any angle to the longer edges 20, 21, 22, 23.
  • the outer sides 15, 17 and 19 of the holding jaws 14, 16 and 18 with any rows and patterns of diamond tips 32 which are suitable when clamping the overlapping band parts 4 and 5 of the plastic band 3 between the tool part 7 and the support part 9 pressed into the band part resting on the support part 9 and keep it good.

Abstract

The invention relates to a hoop-casing device (2) for hooping an object with a heat-sealable plastic strip (3) placed around it, comprising a unit (2) for stressing the strip (3) and for friction-sealing two overlapping strip parts (4, 5). Said unit (2) comprises a tool part which rotates around a rotational axis (6) and can be driven, with a cylindrical tool cover surface (8) and a bearing part (9), said bearing part having a bearing surface (10) facing towards the tool part (7). At least said bearing surface (10) has a structure similar to toothing. The tool part (7) and the bearing part (9) pivot mutually around a swivel axis (12) which is parallel to the rotational axis (6). The bearing part (9) comprises a multipart shoe (13) consisting of several holding blocks (14, 16, 18) arranged together angularly around the rotational axis (6). Said holding blocks (14, 16, 18) have exterior faces (15, 17, 19) which together form one exterior face (24) of the shoe (13) and the bearing surface (10) of the bearing part (9). The exterior faces (15, 17, 19) of the holding blocks (14, 16, 18) are preferably essentially level and at a right angle to the edges (20, 21, 22, 23) which are parallel to the rotational axis (6) and the swivel axis (12).

Description

Die Erfindung betrifft ein Umreifungsgerät zum Umreifen eines Gegenstands mit einem darum gelegten thermoverschweissbaren Kunststoffband, gemäss dem Oberbegriff des Anspruches 1.The invention relates to a strapping tool for strapping an object with a thermoweldable one around it Plastic tape, according to the preamble of the claim 1.

Umreifungsgeräte der eingangs genannten Art sind mehrfach bekannt, so beispielsweise aus EP-0744342. Sie weisen einen Werkzeugteil und einen Auflageteil auf, deren gegenüberliegende und zueinander passende Auflageflächen zahnungsähnlich strukturiert sind, um beim Spannen und beim Reibverschweissen das Kunststoffband möglichst wirksam fassen zu können.Strapping tools of the type mentioned are multiple known, for example from EP-0744342. You point a tool part and a support part, the opposite and matching contact surfaces similar to teeth are structured in order to clamp and friction weld grasp the plastic tape as effectively as possible can.

Nachteilig ist dabei, dass es aufwendig und kostspielig ist, die gewünschte zahnungsähnliche Strukturierung auf der konkaven Auflagefläche des Auflageteils herzustellen.The disadvantage here is that it is complex and costly is the desired tooth-like structuring on the to produce a concave support surface of the support part.

Aufgabe der Erfindung ist es, ein gattungsgemässes Umreifungsgerät zu schaffen, das den erwähnten Nachteil nicht aufweist.The object of the invention is a generic strapping tool to create that does not have the disadvantage mentioned having.

Erfindungsgemäss wird die genannte Aufgabe bei einem gattungsgemässen Umreifungsgerät durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.According to the invention, the stated task is carried out by a generic strapping tool by the characteristic Features of claim 1 solved.

Bei dieser erfindungsgemässen Ausbildung setzt sich die konkave Auflagefläche des Auflageteils aus mehreren aneinandergereihten Teilstücken zusammen, nämlich aus der Mehrzahl von Aussenseiten der Haltebacken, was im Vergleich zum bisherigen Stand der Technik erlaubt, kleinere Bereiche der konkaven Auflagefläche einzeln zu bearbeiten und den Bearbeitungsaufwand entsprechend zu senken.In this training according to the invention, the concave support surface of the support part made up of several strings Pieces together, namely from the majority from the outside of the holding jaws, which is compared to the previous one State of the art allows smaller areas of the concave Working area to be processed individually and the processing effort lower accordingly.

Vorteilhafte Ausgestaltungen des erfindungsgemässen Umreifungsgeräts sind in den abhängigen Ansprüchen definiert.Advantageous refinements of the strapping device according to the invention are defined in the dependent claims.

Insbesondere ist es von Vorteil vorzusehen, dass die Haltebacken jeweils mit einer im wesentlichen ebenen und rechteckigen Aussenseite versehen sind, wobei die Kanten dieser Aussenseite der Drehachse und der Schwenkachse parallel sind. Solche Haltebacken sind dann kostengünstig auf einer ebenen Aussenseite bearbeitbar und dabei mit einer optimalen Verzahnung strukturierbar. Zudem lassen sie sich bei der Montage so auf den Schuh aneinanderreihen und befestigen, dass sie zusammen auf der Mantelfläche eines Prismas mit der Drehachse und der Schwenkachse im wesentlichen parallelen Kanten zu liegen kommen. Die so gefertigten und montierten Haltebacken bilden zusammen eine Auflagefläche des Auflageteils, die näherungsweise zur allgemein zylindrischen Werkzeugmantelfläche des Werkzeugteils passt, was zusammen mit der optimalen Verzahnung erlaubt, die dazwischen eingeführten überlappenden Bandteile gut zu fassen und zu halten und hohe Spannkräfte daran anzulegen.In particular, it is advantageous to provide that the Holding jaws each with a substantially flat and rectangular outside are provided, the edges of this Outside of the axis of rotation and the swivel axis parallel are. Such holding jaws are then inexpensive on one flat outside workable and with an optimal Interlocking structure. They can also be used during assembly line up and fasten on the shoe so that they together on the surface of a prism with the axis of rotation and the pivot axis substantially parallel edges come to rest. The holding jaws manufactured and assembled in this way together form a support surface of the support part, which approximates the generally cylindrical tool surface of the tool part fits what together with the optimal Gearing allows the overlapping introduced in between Belt parts easy to grasp and hold and high Apply tension forces to it.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Fig. 1
eine Seitenansicht eines erfindungsgemässen Umreifungsgeräts zusammen mit einer Ansicht eines Teilbereiches des Umreifungsgeräts in etwa sechsfacher Vergrösserung (Lupenansicht);
Fig. 2
eine Schnittansicht des Umreifungsgeräts entlang der Linie A-A der Fig. 1 zusammen mit einer Ansicht eines Teilbereiches des Umreifungsgeräts in etwa anderthalbfacher Vergrösserung (Lupenansicht);
Fig. 3
eine perspektivische Explosionsansicht von Teilen des Umreifungsgeräts zur Veranschaulichung der Befestigung und Anordnung von Haltebacken am Umreifungsgerät;
Fig. 4
eine perspektivische Explosionsansicht der Haltebacken der Fig. 3 in gegenüber Fig. 3 etwa zweifacher Vergrösserung;
Fig. 5
eine Draufsicht auf einen in der Lupenansicht der Fig. 1 dargestellten abgebrochenen Teil des Umreifungsgeräts in gegenüber der Lupenansicht etwa anderthalbfacher Vergrösserung zur Veranschaulichung der Strukturierung und gegenseitigen Anordnung der Haltebacken;
Fig. 6
das Umreifungsgerät in gleicher Ansicht wie in Fig. 1, jedoch mit eingeführtem Kunststoffband; und
Fig. 7
das Umreifungsgerät in gleicher Ansicht wie in Fig. 2, jedoch mit eingeführtem Kunststoffband.
An embodiment of the invention is explained below with reference to the drawing. Show it:
Fig. 1
a side view of a strapping device according to the invention together with a view of a portion of the strapping device in about six times magnification (magnifying glass view);
Fig. 2
a sectional view of the strapping device along the line AA of Figure 1 together with a view of a portion of the strapping device in about one and a half times magnification (magnifying glass view).
Fig. 3
an exploded perspective view of parts of the strapping tool to illustrate the attachment and arrangement of holding jaws on the strapping tool;
Fig. 4
3 shows an exploded perspective view of the holding jaws of FIG. 3 in a magnification which is approximately twice that of FIG. 3;
Fig. 5
a plan view of a broken-off part of the strapping device shown in the magnifying glass view of FIG. 1 in a magnification approximately one and a half compared to the magnifying glass view to illustrate the structuring and mutual arrangement of the holding jaws;
Fig. 6
the strapping tool in the same view as in Figure 1, but with an inserted plastic strap. and
Fig. 7
the strapping tool in the same view as in Fig. 2, but with an inserted plastic strap.

In allen Figuren werden einander entsprechende Teile mit gleichen Bezugszeichen bezeichnet.Corresponding parts are shown in all figures the same reference numerals.

Das in den Figuren dargestellte erfindungsgemässe Umreifungsgerät dient zum Umreifen eines Gegenstands mit einem darum gelegten Kunststoffband und wird anhand eines Ausführungsbeispiels beschrieben, wobei zu verstehen ist, dass die Erfindung nicht auf dieses Ausführungsbeispiel zu beschränken ist.The strapping device according to the invention shown in the figures is used for strapping an object with a therefore placed plastic tape and is based on an embodiment described, it being understood that the Not to limit the invention to this embodiment is.

Das dargestellte Umreifungsgerät umfasst an einem Gehäuse 1 eine Einrichtung 2 zum Spannen eines thermoverschweissbaren Kunststoffbandes 3 und zum Reibverschweissen zweier einander überlappenden Bandteile 4 und 5 dieses Kunststoffbandes 3. Die Einrichtung 2 umfasst einen um eine Drehachse 6 drehbaren und antreibbaren Werkzeugteil 7, der eine allgemein zylindrische Werkzeugmantelfläche 8 aufweist. Zudem umfasst die Einrichtung 2 einen Auflageteil 9, der seinerseits mit einer Auflagefläche 10 versehen ist, die dem Werkzeugteil 7 zugewandt ist und sich dabei über einen Sektor der Werkzeugmantelfläche erstreckt und diesen allgemein umschliesst.The strapping device shown comprises on a housing 1 a device 2 for tensioning a heat-weldable Plastic tape 3 and for friction welding two overlapping band parts 4 and 5 of this plastic band 3. The device 2 comprises one about an axis of rotation 6 rotatable and drivable tool part 7, which is a general has cylindrical tool surface 8. Also includes the device 2 a support part 9, which in turn with a support surface 10 is provided, which the tool part 7th is facing and over a sector of the tool surface extends and generally encloses this.

Die Auflagefläche 10 und mit Vorteil auch die Werkzeugmantelfläche 8 sind strukturiert, um das Kunststoffband 3 möglichst wirksam fassen zu können. Während aber die Werkzeugmantelfläche 8 auf herkömmliche Weise in der Art einer Sperrklinkenzahnung strukturiert ist, weist die Auflagefläche 10 eine besondere Zahnung auf, die weiter unten näher beschrieben wird und am besten aus Fig. 3, 4 und 5 hervorgeht.The support surface 10 and advantageously also the tool surface 8 are structured around the plastic band 3 to be able to grasp as effectively as possible. But while the tool surface 8 in the conventional manner of a Pawl toothing is structured, has the bearing surface 10 a special set of teeth, which are described in more detail below and is best seen in Figs. 3, 4 and 5.

Zum wahlweisen Erfassen oder Freigeben der überlappenden Bandteile 4 und 5 zwischen der Auflagefläche 10 und der Werkzeugmantelfläche 8 sind der Werkzeugteil 7 und der Auflageteil 9 mit Hilfe eines Hebels 11 um eine Schwenkachse 12 gegenseitig schwenkbar, wobei diese Schwenkachse 12 parallel zur Drehachse 6 liegt.To selectively record or release the overlapping Band parts 4 and 5 between the support surface 10 and the tool surface 8 are the tool part 7 and the support part 9 with the aid of a lever 11 about a pivot axis 12 pivotable, this pivot axis 12 parallel to the axis of rotation 6.

Die Strukturierung der Auflagefläche 10 und die Fertigung des Auflageteils 9 werden dadurch sehr erleichtert, dass der Auflageteil 9 einen gesonderten Schuh 13 umfasst, der mehrteilig ausgebildet ist. In der als Ausführungsbeispiel gezeigten Ausbildung setzt sich der Schuh 13 aus drei um die Drehachse 6 winkelmässig aneinandergereihten Haltebacken 14, 16 und 18 zusammen. Diese Haltebacken 14, 16 und 18 weisen jeweilige Aussenseiten 15, 17 und 19 auf, die an Kanten 20, 21, 22, 23 aneinander angrenzen und zusammen eine Aussenseite 24 des Schuhs 13 sowie dadurch auch die Auflagefläche 10 des Auflageteils 9 bilden.The structuring of the support surface 10 and the manufacturing of the support part 9 are greatly facilitated by the fact that the support part 9 comprises a separate shoe 13 which is formed in several parts. In the as an embodiment shown training, the shoe 13 consists of three around the Axis of rotation 6 holding jaws 14 lined up angularly, 16 and 18 together. These holding jaws 14, 16 and 18 have respective outer sides 15, 17 and 19 on the edges 20, 21, 22, 23 adjoin each other and together an outside 24 of the shoe 13 and thereby also the bearing surface 10 of the Form support part 9.

Im Vergleich zu einem dreimal grösseren Schuh herkömmlicher Art ist es bereits leichter, die drei beschriebenen kleineren Haltebacken 14, 16 und 18 zu bearbeiten, um deren Aussenseiten zu strukturieren. Die Fertigung wird aber noch weiter erleichtert, indem die Aussenseiten 15, 17 und 19 der Haltebacken 14, 16 und 18 im wesentlichen eben und rechteckig ausgebildet sind. Um dann das Kunststoffband möglichst wirksam fassen zu können, liegen die Kanten 20, 21, 22, 23 parallel zur Drehachse 6 und zur Schwenkachse 12, und die Aussenseiten 15, 17 und 19 liegen auf einer die Werkzeugmantelfläche 8 umschliessenden prismatischen Mantelfläche. Die so gebildete Auflagefläche 10 des Auflageteils 9 passt näherungsweise zur zylindrischen Werkzeugmantelfläche 8 des Werkzeugteils 7 und erlaubt gut genug, die dazwischen eingeführten überlappenden Bandteile 4 und 5 des Kunststoffbandes 3 zu fassen und zu halten.More conventional than a shoe three times larger Art, it is already easier to describe the three smaller holding jaws 14, 16 and 18 to edit their To structure outsides. The production is still further facilitated by the outsides 15, 17 and 19 of the Holding jaws 14, 16 and 18 are substantially flat and rectangular are trained. To then make the plastic tape as effective as possible to be able to grasp, the edges 20, 21, 22, 23 are parallel to the axis of rotation 6 and the pivot axis 12, and the outer sides 15, 17 and 19 lie on a tool surface 8 enclosing prismatic outer surface. The so educated Support surface 10 of the support part 9 fits approximately to the cylindrical tool surface 8 of the tool part 7 and well enough allows the ones introduced in between overlapping tape parts 4 and 5 of the plastic tape 3 grasp and hold.

Die Befestigung des Schuhs 13 bzw. der Haltebacken 14, 16 und 18 am Auflageteil 9 geht am besten aus Fig. 3 und 5 hervor. In einer Ausnehmung 25 des Auflageteils 9 liegen die Haltebacken 14, 16 und 18 nebeneinander und satt aneinander, wobei die parallel zur Drehachse 6 und zur Schwenkachse 12 liegenden Kanten 20, 21, 22, 23 jeweils die längeren Kanten der rechteckig ausgebildeten Aussenseiten 15, 17 und 19 sind. In Richtung parallel zur Drehachse 6 und zur Schwenkachse 12 enden die Haltebacken 14, 16 und 18 beidseitig jeweils mit Vorsprüngen 26, die jeweils eine von zwei Klemmbacken 27 und 28 untergreifen. Diese Klemmbacken 27 und 28 sind mit Hilfe von Schrauben 29, Führungsstiften 30 und Scheiben 31 am Auflageteil 9 befestigt und halten ihrerseits die Haltebacken 14, 16 und 18, wenn die Schrauben 29 am Auflageteil 9 angezogen sind.The fastening of the shoe 13 or the holding jaws 14 16 and 18 on the support part 9 is best seen in FIGS. 3 and 5 out. The lie in a recess 25 of the support part 9 Holding jaws 14, 16 and 18 side by side and full against each other, the parallel to the axis of rotation 6 and the pivot axis 12th lying edges 20, 21, 22, 23 each have the longer edges the rectangular sides 15, 17 and 19 are. In the direction parallel to the axis of rotation 6 and the pivot axis 12 the holding jaws 14, 16 and 18 each end on both sides Projections 26, each one of two jaws 27 and 28 reach under. These jaws 27 and 28 are with the help of screws 29, guide pins 30 and washers 31 on the support part 9 attached and in turn hold the holding jaws 14, 16 and 18 when the screws 29 are tightened on the support part 9 are.

Die Bearbeitung der Aussenseiten 15, 17 und 19 der Haltebacken 14, 16 und 18 führt zur Ausbildung einer Strukturierung beispielsweise wie diejenige, die am besten aus Fig. 3, 4 und 5 hervorgeht. Die ebenen Aussenseiten 15, 17 und 19 der Haltebacken 14, 16 und 18 erlauben und erleichtern die Bearbeitung der Haltebacken durch Fräsen oder Schleifen in verschiedenen Richtungen im wesentlichen parallel zu den Aussenseiten und dabei in beliebigem Winkel zu den längeren Kanten 20, 21, 22, 23. Auf diese Weise werden die Aussenseiten 15, 17 und 19 der Haltebacken 14, 16 und 18 mit beliebigen Reihen und Muster von Diamantspitzen 32 versehen, die geeignet sind, beim Klemmen der überlappenden Bandteile 4 und 5 des Kunststoffbandes 3 zwischen dem Werkzeugteil 7 und dem Auflageteil 9 in den am Auflageteil 9 anliegenden Bandteil eingedrückt zu werden und diesen gut zu halten. The processing of the outer sides 15, 17 and 19 of the holding jaws 14, 16 and 18 leads to the formation of a structuring for example like the one best seen in Fig. 3, 4 and 5 emerges. The flat outer sides 15, 17 and 19 of the Holding jaws 14, 16 and 18 allow and facilitate machining the holding jaws by milling or grinding in different Directions essentially parallel to the outside and at any angle to the longer edges 20, 21, 22, 23. In this way the outer sides 15, 17 and 19 of the holding jaws 14, 16 and 18 with any rows and patterns of diamond tips 32 which are suitable when clamping the overlapping band parts 4 and 5 of the plastic band 3 between the tool part 7 and the support part 9 pressed into the band part resting on the support part 9 and keep it good.

Liste der BezugszeichenList of reference numbers

  • Gehäuse 1Housing 1
  • Einrichtung 2Establishment 2
  • Kunststoffband 3Plastic strap 3
  • Bandteil 4Volume 4
  • Bandteil 5Volume 5
  • Drehachse 6Axis of rotation 6
  • Werkzeugteil 7Tool part 7
  • Werkzeugmantelfläche 8Tool surface area 8
  • Auflageteil 9Support part 9
  • Auflagefläche 10Contact surface 10
  • Hebel 11Lever 11
  • Schwenkachse 12Swivel axis 12
  • Schuh 13Shoe 13
  • Haltebacke 14Holding jaw 14
  • Aussenseite 15 der Haltebacke 14Outside 15 of the holding jaw 14
  • Haltebacke 16Holding jaw 16
  • Aussenseite 17 der Haltebacke 16Outside 17 of the holding jaw 16
  • Haltebacke 18Holding jaw 18
  • Aussenseite 19 der Haltebacke 18Outside 19 of the holding jaw 18
  • Kanten 20, 21, 22, 23Edges 20, 21, 22, 23
  • Aussenseite 24 des Schuhs 13Outside 24 of the shoe 13
  • Ausnehmung 25 des Schuhs 13Recess 25 of the shoe 13
  • Vorsprünge 26 der HaltebackenProjections 26 of the holding jaws
  • Klemmbacke 27Clamping jaw 27
  • Klemmbacke 28Clamping jaw 28
  • Schraube 29Screw 29
  • Führungsstift 30Guide pin 30
  • Scheibe 31Disc 31
  • Diamantspitzen 32Diamond tips 32

    • Claims (2)

    1. Hoop-casing device for hoop-casing an object with a heat-sealable plastic strip (3) placed around it,
         the hoop-casing device comprising a unit (2) for tensioning the strip (3) and for friction-sealing two overlapping strip parts (4,5) of the tensioned strip (3),
         the unit (2) as for it comprising a tool part (7) that can rotate about a rotation axis (6) and be driven and that has a generally cylindrical tool mantle surface (8), and a counter-bearing part (9) having a counter-bearing surface (10) that faces towards the tool part (7), extends over a sector of the tool mantle surface (8) and generally encloses said sector,
         at least the counter-bearing surface (10) of the counter-bearing part (9) having a structure similar to a toothing,
         and the tool part (7) and the counter-bearing part (9) being mutually pivotable about a swivel axis (12) that is parallel to the rotation axis (6) to grip or release the overlapping strip parts (4,5) between the counter-bearing surface (10) and the tool mantle surface (8),
         characterized in that
         the counter-bearing part (9) comprises a multipart shoe (13) made up of holding blocks (14,16,18) arranged side by sidde in angular sequence about the rotation axis (6),
         the holding blocks (14,16,18) having respective outer faces (15,17,19) which taken together form an outer face (24) of the shoe (13) as well as the counter-bearing surface (10) of the counter-bearing part (9).
    2. Hoop-casing device according to claim 1, characterized in that the outer faces (15,17,19) of the holding blocks (14,16,18) are essentially planar and rectangular with edges parallel to the rotation axis (6) and swivel axis (12).
    EP98912183A 1997-05-13 1998-04-09 Hoop-casing device Expired - Lifetime EP0981479B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    CH111997 1997-05-13
    CH111997 1997-05-13
    PCT/CH1998/000137 WO1998051569A1 (en) 1997-05-13 1998-04-09 Hoop-casing device

    Publications (2)

    Publication Number Publication Date
    EP0981479A1 EP0981479A1 (en) 2000-03-01
    EP0981479B1 true EP0981479B1 (en) 2002-07-31

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98912183A Expired - Lifetime EP0981479B1 (en) 1997-05-13 1998-04-09 Hoop-casing device

    Country Status (8)

    Country Link
    US (1) US6405776B1 (en)
    EP (1) EP0981479B1 (en)
    JP (1) JP3932387B2 (en)
    AT (1) ATE221487T1 (en)
    CA (1) CA2289030C (en)
    DE (1) DE59805011D1 (en)
    ES (1) ES2180152T3 (en)
    WO (1) WO1998051569A1 (en)

    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE202016102835U1 (en) 2015-07-08 2016-06-08 LINDER GmbH Strapping device for securing a packaged goods
    DE202015009004U1 (en) 2015-07-08 2016-06-10 LINDER GmbH Strapping device for securing a packaged goods

    Families Citing this family (7)

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    Publication number Priority date Publication date Assignee Title
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    DE202015009004U1 (en) 2015-07-08 2016-06-10 LINDER GmbH Strapping device for securing a packaged goods
    DE102015111051A1 (en) 2015-07-08 2017-01-12 LINDER GmbH Strapping device for securing a packaged goods

    Also Published As

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    DE59805011D1 (en) 2002-09-05
    WO1998051569A1 (en) 1998-11-19
    CA2289030A1 (en) 1998-11-19
    US6405776B1 (en) 2002-06-18
    CA2289030C (en) 2006-08-29
    JP2001524911A (en) 2001-12-04
    ES2180152T3 (en) 2003-02-01
    JP3932387B2 (en) 2007-06-20
    EP0981479A1 (en) 2000-03-01
    ATE221487T1 (en) 2002-08-15

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