EP2112107B1 - Baugruppe zur Abwicklung und Schneidung einer Folie, insbesondere für Verpackungsmaschinen und Ähnliches - Google Patents

Baugruppe zur Abwicklung und Schneidung einer Folie, insbesondere für Verpackungsmaschinen und Ähnliches Download PDF

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Publication number
EP2112107B1
EP2112107B1 EP08425283A EP08425283A EP2112107B1 EP 2112107 B1 EP2112107 B1 EP 2112107B1 EP 08425283 A EP08425283 A EP 08425283A EP 08425283 A EP08425283 A EP 08425283A EP 2112107 B1 EP2112107 B1 EP 2112107B1
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EP
European Patent Office
Prior art keywords
film
unit
cutting
cutting unit
grip
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Active
Application number
EP08425283A
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English (en)
French (fr)
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EP2112107A8 (de
EP2112107A1 (de
Inventor
Antonio Martelli
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Individual
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Individual
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Publication date
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Priority to AT08425283T priority Critical patent/ATE506310T1/de
Priority to DE602008006357T priority patent/DE602008006357D1/de
Priority to EP08425283A priority patent/EP2112107B1/de
Publication of EP2112107A1 publication Critical patent/EP2112107A1/de
Publication of EP2112107A8 publication Critical patent/EP2112107A8/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/16—Advancing webs by web-gripping means, e.g. grippers, clips
    • B65H20/18—Advancing webs by web-gripping means, e.g. grippers, clips to effect step-by-step advancement of web
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/18—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in two or more straight paths
    • B65B11/20—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in two or more straight paths to fold the wrappers in tubular form about contents
    • B65B11/22—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/10—Selective handling processes
    • B65H2301/12—Selective handling processes of sheets or web
    • B65H2301/122—Selective handling processes of sheets or web for web or sheet handling processes wherein the sheets are cut from the web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1311—Edges leading edge

Definitions

  • the present invention relates to an assembly for unwinding and cutting a film, particularly for packaging machines and the like.
  • Assemblies for unwinding and cutting a film particularly for packaging machines, are known which take a film from a respective reel to cut it into portions which are suitable for the packaging of cases, boxes or others.
  • These assemblies generally comprise a movable grip unit, which unwinds the film for a length equal to its stroke, and cutting elements, which cut the film in order to obtain the portion of the desired size.
  • WO 2006/085197A1 Such an assembly is disclosed by WO 2006/085197A1 .
  • unwinding and cutting assemblies for packaging machines which allow continuous unwinding of the film have been devised, they do not however allow to vary easily and quickly the dimensions of the cut portions of film, so as to adapt them to the different formats of the cases to be packaged, with obvious disadvantages in terms of time and costs. Further, they have to be provided with additional traction elements in order to position the provided portions on the cases to be packaged, to then send them to subsequent stations for packaging them.
  • the aim of the present invention is to solve the above-mentioned drawbacks, by providing an assembly for unwinding and cutting a film, particularly for packaging machines and the like, which allows to unwind the film continuously from the reel and to cut it into portions of predefined adjustable length simply and rapidly, with gains in economic terms and in terms of production times.
  • an object of the present invention is to provide an assembly for unwinding and cutting a film, particularly for packaging machines and the like, which does not require additional traction means to position the provided portions on the cases to be packaged.
  • Another object of the invention is to provide an assembly for unwinding and cutting a film, particularly for packaging machines and the like, which by way of its particular constructive characteristics is capable of giving the greatest assurances of reliability and safety in use.
  • Another object of the present invention is to provide an assembly for unwinding and cutting a film which is simple, relatively easy to provide in practice, safe in use, effective in operation, and further competitive from an economic standpoint.
  • an assembly for unwinding and cutting a film particularly for packaging machines and the like, characterized in that it comprises at least one unit for controlled grip of the end flap of at least one film and at least one film cutting unit, said at least one grip unit and said at least one cutting unit being guided so that they can move with respect to each other, each along a respective predefined adjustable stroke, by way of provided movement and adjustment elements, from a substantially adjacent configuration, in which clamping means of said grip unit lock the end flap of the film, so as to unwind it from the respective reel in the subsequent step for mutual movement away from said cutting unit, to a spaced configuration, in which said grip unit and said cutting unit are at the maximum mutual distance, which is preset by the adjustment, and cutting means of said cutting unit cut the unwound film of the predefined length, said cutting unit comprising means for unidirectionally stopping the film which are adapted to retain it only in the unwinding direction, so as to unwind it during the step for mutual approach toward
  • the reference numeral 1 generally designates an assembly for unwinding and cutting a film, particularly for packaging machines and the like, according to the invention.
  • the assembly 1 comprises at least one unit 2 for controlled grip of the end flap of at least one film A and at least one unit for cutting the film A, which are guided so as to move with respect to each other, each for a respective adjustable predefined stroke, by way of provided movement and adjustment elements 4, from a substantially adjacent configuration, in which clamping means 5 of the grip unit 2 lock the end flap of the film A, so as to unwind it from a respective reel B in the subsequent step for mutual spacing from a cutting unit 3, to a spaced configuration, in which the grip unit 2 and the cutting unit 3 are at the maximum mutual distance, which is preset by the adjustment, and cutting means 6 of the cutting unit 3 cut the unwound film A of the predefined length.
  • the cutting unit 3 comprises means 7 for unidirectionally stopping the film A, which are adapted to retain it only in the unwinding direction, so as to unwind it in the step for mutual approach to the grip unit 2 in order to allow the clamping of the edge of the film A by the grip unit 2 in the subsequent substantially adjacent configuration; advantageously, the assembly 1 is adapted to continuously unwind the film A and cut it into portions of predefined adjustable length.
  • the movement and adjustment elements 4 comprise at least one arm 8 which can rotate about an axis which lies transversely thereto and passes through a substantially central portion thereof.
  • the end of a first rod 9 is selectively pivotable along a first portion 8a of the arm 8 and is rotatably associated by the other end with the grip unit 2, and the end of a second rod 10, which is rotatably associated by the other end with the cutting unit 3, can be pivoted selectively along a second portion 8b of such arm.
  • the selective pivoting of the first rod 9 along the respective first portion 8a allows to adjust the stroke of the grip unit 2
  • the selective pivoting of the second rod 10 along the respective second portion 8b allows to adjust the stroke of the cutting unit 3.
  • first portion 8a of the arm 8 is curved and is affected by a respective first curved slot 11, in which it is possible to pivot selectively the end of the first rod 9, which is adjustable in length
  • second portion 8b is curved and is affected by a second curved slot 12, in which it is possible to pivot selectively the end of the second rod 10, which is adjustable in length.
  • the clamping means 5 of the grip unit 2 comprise at least one clamp and comprise preferably two clamps which are adapted to close on the end flap of the film A in the cited substantially adjacent configuration for the grip unit 2 and the cutting unit 3, so as to allow its unwinding in the subsequent mutual spacing step, and are adapted to open in the cited spaced configuration for the grip unit 2 and the cutting unit 3, so as to release the cut portion of film A of the predefined length.
  • the cutting means 6 of the cutting unit 3 comprise at least one cutter 6a, which is actuated so as to move from a position in which it is separated with respect to the film A, in such spaced configuration for the grip unit 2 and the cutting unit 3, to a cutting position, in such substantially adjacent configuration for the grip unit 2 and the cutting unit 3.
  • the cutting means 6 of the cutting unit 3 comprise a roller 6b, which can rotate selectively and is provided with at least one peripheral blade 6c.
  • the blade 6c is separated from the film A in such spaced configuration for the grip unit 2 and the cutting unit 3, and is arranged in the position for cutting the film A in the corresponding substantially adjacent configuration for the grip unit 2 and the cutting unit 3.
  • the roller 6b can comprise a distribution of peripheral blades 6c, in which case the blades 6c are separated from the film A in the spaced configuration for the grip unit 2 and the cutting unit 3, and at least one of the blades 6c is arranged in a position for cutting the film A in the corresponding substantially adjacent configuration for the grip unit 2 and the cutting unit 3.
  • the rule of motion of the cutting means 6 is substantially synchronous with respect to the rule of motion of the arm 8, which by rotating allows the mutual spacing and approach of the grip unit 2 and of the cutting unit 3.
  • the arm 8 and the cutting means 6 are connected, by way of suitable motion transmission elements, to a single motor drive apparatus.
  • Such motion transmission elements further comprise a double cardan shaft 13 which controls the actuation of the cutter 6a for cutting the film A.
  • the unidirectional stopping means 7 of the cutting unit 3 comprise at least one wheel which abuts against the film A, arranged on a respective supporting surface which is formed on the cutting unit 3: the wheel 7 is locked against rotation only in the direction of approach of the cutting unit 3 toward the grip unit 2, so as to retain the film A locked on the respective supporting surface only in the unwinding direction, and so as to rotate on the film A and allow its unwinding in the step for spacing the cutting unit 3 from the grip unit 2.
  • the grip unit 2 and the cutting unit 3 are actuated so that they can move on respective guides which are rigidly coupled to a supporting frame of a packaging machine C, and the grip unit 2 is adapted to release the cut portion of the film A of the preset size on a respective case D to be packaged, which is fed in a corresponding station 14 for lifting the case D.
  • the end flap of the film A wound on the reel B is initially gripped by the clamps 5 of the grip unit 2 when such grip unit is in a configuration which is adjacent to the cutting unit 3.
  • the rotation of the arm 8 produces the mutual spacing of the grip unit 2 and of the cutting unit 3, and the film A, retained by the clamps 5, is unwound by the preset length, advantageously determined by the adjustment of the strokes of the grip unit 2 and of the cutting unit 3, which is allowed by the selective pivoting of the end of the first rod 9 along the respective first curved slot 11 of the arm 8 and by the selective pivoting of an end of the second rod 10 along the respective second curved slot 12 of the arm 8.
  • the cutting means 3 (the cutter 6a or, in such second embodiment, the blade 6c of the roller 6b) automatically cut the film A, providing a portion of predefined length, and the clamps 5 release the flap of the film A.
  • the portion is released directly above the case D, which is fed from a magazine to the provided lifting station 14 of the packaging machine C, to be then sent to subsequent stations for folding and wrapping the film, so as to adequately package the case D.
  • the film A can be cut to different predefined dimensions, depending on the respective dimensions of the cases D to be packaged, by acting with great simplicity and speed on the components of the assembly, particularly on the movement and adjustment elements 4.
  • the assembly 1 for unwinding and cutting a film particularly for packaging machines and the like, allows to unwind continuously the film A and to cut it into portions of predefined adjustable length, by way of the simple and quick adjustment of the respective strokes of the grip unit 2 and of the cutting unit 3, as described above.
  • the assembly 1 allows to position the provided portion of film A directly on the case D which is fed into the machine C, so as to send it into the subsequent packaging stations, without requiring additional traction means provided in assemblies of the traditional type.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (12)

  1. Baugruppe zur Abwicklung und zum Schneiden einer Folie, insbesondere für Verpackungsmaschinen und Ähnliches, welche zumindest eine Einheit (2) zur kontrollierten Ergreifung des Endwulstes von zumindest einer Folie (A) und zumindest eine Einheit (3) zum Schneiden der Folie (A) enthält, dadurch gekennzeichnet, dass die zumindest eine Greifeinheit (2) und die zumindest eine Schneideinheit (3) derart geführt sind, dass sie sich in Relation zueinander jeweils entlang eines jeweils vorbestimmten einstellbaren Arbeitstaktes mittels bereitgestellter Bewegungs- und Einstellelemente (4) bewegen können, und zwar von einem im Wesentlichen angrenzenden Aufbau, bei welchem ein Klemmelement (5) von der Greifeinheit (2) den Endwulst von der Folie (A) verriegelt, um sie somit von dem jeweiligen Spulenkörper (B), in dem nachfolgenden Schritt zur wechselseitigen Bewegung, weg von der Schneideinheit (3) abzuwickeln, zu einem beabstandeten Aufbau, bei welchem die Greifeinheit (2) und die Schneideinheit (3) bei der maximalen wechselseitigen Distanz sind, welche durch die Einstellung zuvor eingestellt ist, und wobei das Schneidelement (6) von der Schneideinheit (3) die abgewickelte Folie (A) bei der zuvor bestimmten Länge schneidet, wobei die Schneideinheit (3) Elemente (7) zum unidirektionalen Stoppen der Folie (A) enthält, welche dazu ausgelegt sind, sie jeweils in der Abwicklungsrichtung beizubehalten, um sie somit während des Schrittes zur wechselseitigen Annäherung zur Greifeinheit (2) abzuwickeln, um es zu ermöglichen, dass die Kante von der Folie (A) durch die Greifeinheit (2) in dem nachfolgenden, im Wesentlichen angrenzenden Aufbau eingeklemmt wird, wobei die Baugruppe (1) dazu ausgelegt ist, die Folie (A) kontinuierlich abzuwickeln und sie in Abschnitte von einer zuvor bestimmten einstellbaren Länge zu schneiden.
  2. Baugruppe nach Anspruch 1, dadurch gekennzeichnet, dass die Bewegungs- und Einstell-Elemente (4) zumindest einen Ausleger (8) enthalten, welcher sich um eine Achse drehen kann, welche hierzu quer verläuft und durch einen im Wesentlichen mittigen Abschnitt davon durchläuft, wobei das Ende von einem ersten Stab (9) entlang eines ersten Abschnittes (8a) des Auslegers (8) selektiv schwenkbar ist, und an dem weiteren Ende mit der Greifeinheit (2) drehbar in Zusammenhang steht, wobei das Ende von einer zweiten Stange (10) entlang eines zweiten Abschnittes (8b) von dem Ausleger (8) selektiv schwenkbar ist, und an dem weiteren Ende mit der Schneideinheit (3) in Zusammenhang drehbar ist, wobei die selektive Schwenkung der ersten Stange (9) entlang des jeweiligen ersten Abschnittes (8a) eine Einstellung des Arbeitstaktes von der Greifeinheit (2) erlaubt, und wobei die selektive Schwenkung von der zweiten Stange (10) entlang des jeweiligen zweiten Abschnittes (8b) die Einstellung des Arbeitstaktes von der Schneideinheit (3) erlaubt.
  3. Baugruppe nach Anspruch 2, dadurch gekennzeichnet, dass der erste Abschnitt (8a) durch zumindest einen jeweiligen ersten gekrümmten Schlitz (11) beeinflusst ist, in welchen das Ende von der ersten Stange (9) selektiv geschwenkt werden kann, und wobei der zweite Abschnitt (8b) durch zumindest einen zweiten gekrümmten Schlitz (12) beeinflusst ist, in welchen das Ende von der zweiten Stange (10) selektiv geschwenkt werden kann.
  4. Baugruppe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Klemmelemente (5) von der Greifeinheit (2) zumindest eine Klemme enthalten, welche dazu ausgelegt ist, an dem Endwulst von der Folie (A) in dem im Wesentlichen angrenzenden Aufbau für die Greifeinheit (2) und die Schneideinheit (3) zu schließen, um ihre Abwicklung in dem nachfolgenden wechselseitigen Beabstandungsschritt zu ermöglichen, und dazu ausgelegt ist, in dem beabstandeten Aufbau für die Greifeinheit (2) und die Schneideinheit (3) zu öffnen, um somit den geschnittenen Abschnitt von der Folie (A) der zuvor bestimmten Länge freizugeben.
  5. Baugruppe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schneidelemente (6) von der Schneideinheit (3) zumindest ein Schneidwerkzeug (6a) enthalten, welches derart betätigt wird, so dass es sich von einer Position, welche mit Bezug auf die Folie (A) entfernt ist, in dem beabstandeten Aufbau für die Greifeinheit (2) und die Schneideinheit (3) zu einer Schneidposition in dem im Wesentlichen angrenzenden Aufbau für die Greifeinheit (2) und die Schneideinheit (3) bewegen kann.
  6. Baugruppe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schneidelemente (6) von der Schneideinheit (3) zumindest eine Rolle (3b) enthalten, welche sich selektiv umdrehen kann, und mit zumindest einer Umfangsklinge (6c) bereitgestellt ist, wobei die Klinge (6c) von der Folie (A) in dem beabstandeten Aufbau für die Greifeinheit (2) und die Schneideinheit (3) entfernt ist, und wobei zumindest eine Klinge (6c) in einer Position zum Schneiden von der Folie (A) in dem entsprechenden im Wesentlichen angrenzenden Aufbau für die Greifeinheit (2) und die Schneideinheit (3) angeordnet ist.
  7. Baugruppe nach Anspruch 6, dadurch gekennzeichnet, dass die Rolle eine Verteilung von Umfangsklingen (6c) enthält, wobei die Klingen (6c) in dem beabstandeten Aufbau von der Folie (A) beabstandet sind, und wobei zumindest eine von den Klingen (6c) in einer Position zum Schneiden von der Folie (A) in dem entsprechenden im Wesentlichen angrenzenden Aufbau angeordnet ist.
  8. Baugruppe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Bewegungsregel für das Schneidelement (6) in Bezug auf die Bewegungsregel von dem Ausleger (8) im Wesentlichen synchron ist.
  9. Baugruppe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die unidirektionalen Stoppelemente (7) von der Schneideinheit (3) zumindest ein Rad enthalten, welches gegen die Folie (A) anschlägt, und auf einer jeweiligen Kontaktoberfläche angeordnet ist, welche auf der Schneideinheit (3) ausgebildet ist, wobei das Rad (7) lediglich in Annäherungsrichtung von der Schneideinheit (2) zu der Greifeinheit (3) gegen eine Umdrehung gesperrt ist, um somit die Folie (A) lediglich in der Abwicklungsrichtung auf der jeweiligen Kontaktoberfläche gesperrt beizubehalten, und um somit auf der Folie (A) zu umdrehen, und um ihre Abwicklung in dem Schritt zum Entfernen von der Schneideinheit (3) von der Greifeinheit (2) zu erlauben.
  10. Baugruppe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Ausleger (8) und die Schneidelemente (6) mittels geeigneter Bewegungsüberführungselemente mit einer einzelnen Motorantriebseinheit verbunden sind.
  11. Baugruppe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Greifeinheit (2) und die Schneideinheit (3) derart betätigt werden, dass sie sich auf jeweiligen Führungen bewegen, welche mit einem Halterahmen von einer Verpackungsmaschine (C) starr gekoppelt sind.
  12. Baugruppe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Greifeinheit (2) dazu ausgelegt ist, den Abschnitt von der geschnittenen Folie (A) der zuvor eingestellten Größe direkt auf einem jeweiligen Behälter (D), welcher zu verpacken ist, freizugeben, welcher einer entsprechenden Hebestation (14) für den Behälter (D) zugeführt wird.
EP08425283A 2008-04-23 2008-04-23 Baugruppe zur Abwicklung und Schneidung einer Folie, insbesondere für Verpackungsmaschinen und Ähnliches Active EP2112107B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT08425283T ATE506310T1 (de) 2008-04-23 2008-04-23 Baugruppe zur abwicklung und schneidung einer folie, insbesondere für verpackungsmaschinen und ähnliches
DE602008006357T DE602008006357D1 (de) 2008-04-23 2008-04-23 Baugruppe zur Abwicklung und Schneidung einer Folie, insbesondere für Verpackungsmaschinen und Ähnliches
EP08425283A EP2112107B1 (de) 2008-04-23 2008-04-23 Baugruppe zur Abwicklung und Schneidung einer Folie, insbesondere für Verpackungsmaschinen und Ähnliches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08425283A EP2112107B1 (de) 2008-04-23 2008-04-23 Baugruppe zur Abwicklung und Schneidung einer Folie, insbesondere für Verpackungsmaschinen und Ähnliches

Publications (3)

Publication Number Publication Date
EP2112107A1 EP2112107A1 (de) 2009-10-28
EP2112107A8 EP2112107A8 (de) 2010-03-17
EP2112107B1 true EP2112107B1 (de) 2011-04-20

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EP08425283A Active EP2112107B1 (de) 2008-04-23 2008-04-23 Baugruppe zur Abwicklung und Schneidung einer Folie, insbesondere für Verpackungsmaschinen und Ähnliches

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EP (1) EP2112107B1 (de)
AT (1) ATE506310T1 (de)
DE (1) DE602008006357D1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB700420A (en) * 1951-07-17 1953-12-02 Forgrove Mach Improvements in or relating to wrapping machines
DK144675C (da) * 1979-10-15 1982-10-18 M D Larsen Apparat til fremfoering af en forud fastlagt laengde strimmelformet materiale
FI122196B (fi) * 2005-02-10 2011-10-14 Haloila M Oy Ab Menetelmä ja laite päällikalvoarkin muodostamiseksi kalvorainasta

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DE602008006357D1 (de) 2011-06-01
ATE506310T1 (de) 2011-05-15
EP2112107A8 (de) 2010-03-17
EP2112107A1 (de) 2009-10-28

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