EP0134974A2 - Filling station for gusset folds bags - Google Patents

Filling station for gusset folds bags Download PDF

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Publication number
EP0134974A2
EP0134974A2 EP84107850A EP84107850A EP0134974A2 EP 0134974 A2 EP0134974 A2 EP 0134974A2 EP 84107850 A EP84107850 A EP 84107850A EP 84107850 A EP84107850 A EP 84107850A EP 0134974 A2 EP0134974 A2 EP 0134974A2
Authority
EP
European Patent Office
Prior art keywords
bag
grippers
filling station
filling
gusseted
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
EP84107850A
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German (de)
French (fr)
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EP0134974B1 (en
EP0134974A3 (en
Inventor
Gustav Kuckhermann
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.)
Icoma Packtechnik GmbH
Original Assignee
Icoma Packtechnik GmbH
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 Icoma Packtechnik GmbH filed Critical Icoma Packtechnik GmbH
Publication of EP0134974A2 publication Critical patent/EP0134974A2/en
Publication of EP0134974A3 publication Critical patent/EP0134974A3/en
Application granted granted Critical
Publication of EP0134974B1 publication Critical patent/EP0134974B1/en
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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated

Definitions

  • the invention relates to a filling station for gusseted bags with a filling funnel designed to be immersed in the gusseted bag and with angled grippers arranged on both longitudinal sides of the bag opening and pivotable about horizontal axes, which rest with a downward-pointing region on the edge of the gusseted bag and take hold of them Press the edges of the bag against a terminal block that can be moved transversely to the long sides.
  • the grippers adjacent to the side folds can be pivoted about an axis which runs parallel to the two long sides of the bag opening.
  • the outer grippers which are adjacent to the side folds and are each arranged on the same longitudinal side, can be moved apart and moved together.
  • the invention is based on the object of designing a device of the type presupposed as known in such a way that it permits faster filling, while at the same time the gripper device is to be made simpler.
  • the laterally outer edges of the downward-facing regions of the grippers are separated from one another when pivoting into the side gusset bag.
  • the setting can be made so that in the clamped state these outer edges lie exactly in the folds between the long side and the short side.
  • the acceleration of the filling is achieved in that the lateral movement of the outer grippers that was previously required is no longer required.
  • the pre-opening can take place, for example, with the aid of suction devices in front of the filling station. In this case, only a small pre-opening is sufficient, which enables the areas of the grippers pointing downward to be immersed during the swiveling process.
  • the grippers After immersing the grippers, they can be moved apart in such a way that a rectangular filling opening is created, into which the rectangular filler neck can be moved. With the help of sealing strips, the gusseted bag can then be pressed tightly from the outside against the filling funnel in the filling opening area, so that dust-free filling is possible.
  • Identically designed clamping and gripping devices are located on both longitudinal sides 12a of a side gusseted bag 12 which comes to the filling station in a pre-opened position.
  • the piston rod of the actuating cylinder 17 and 18 is connected to a crossbeam 10, at the two ends of which rods 19 and 20 are hinged.
  • the rods 19 and 20 engage crank pins 16b and 15b, respectively.
  • the rods 19 and 20 engage the crank pins 13b and 14b of grippers 13 and 14, respectively. All four grippers have the shape of an angled sheet.
  • All grippers are pivotally supported on pedestals 11 about horizontal axes 1 or 2 or 3 or 4, each of which extends at an angle ⁇ to the long sides of the gusseted bag.
  • the bearing blocks 11 are slidably mounted on the longitudinal bars 6 and can be locked in the elongated holes 6a.
  • Clamping strips 7 run parallel to the longitudinal sides 12a.
  • the grippers 13 and 14 are pivoted about the axes 1 and 2, their downward-pointing regions 13a and 14a immersing themselves in the inside of the gusseted bag and the edge of the bag against the clamping strip 7 clamp.
  • the outer edges of the downward-facing regions 13a, 14a, 15a and 16a each reach the corner folds between the long sides 12a and the subsequent narrow sides.
  • the frames carrying the entire clamping mechanism and expansion mechanism are then moved apart on the guide rod 9.
  • the transverse mobility of the devices arranged on both sides of the gusseted bag 12 is symbolized by the double arrows 21.
  • the frames are moved apart until the opening cross section of the gusseted bag has a rectangular shape, as shown in FIG. 3.
  • the hopper not shown, can be retracted from above.
  • sealing strips (not shown) known from the prior art can also be provided, which grip the upper edge of the gusseted bag from the outside and press with its inner wall against the outer wall of the rectangular filling funnel.
  • the transverse displacement of the two laterally arranged clamping and spreading mechanisms in the direction of the double arrows 21 can take place with the aid of actuating cylinders, so that fully automatic filling is possible in the shortest possible cycle time.
  • the acute angle is approximately 45 ° in the illustrated embodiment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Closing Of Containers (AREA)

Abstract

1. Filling station for satchel bags (12) with a filling funnel designed for entry into the satchel bag and with angled grippers (13; 14; 15; 16), which are arranged on both longitudinal sides (12a) of the bag opening, can be swivelled about horizontal axes (1; 2; 3; 4), are applied by a downward pointing region against the edge of the satchel bag and in each case press the gripped bag edges against a clamping bar (7) which can be moved transversely with respect to the longitudinal sides, characterized in that the swivel axes (1; 2; 3; 4), are inclined at an acute angle (alpha) to the longitudinal sides (12a) of the satchel bag (12) in such a way that the downward pointing regions (13a; 14a; 15a; 16a) of the grippers (13; 14; 15; 16) are distanced from each other when swivelling into the satchel bag (12).

Description

Die Erfindung betrifft eine Füllstation für Seitenfaltensäcke mit einem zum Eintauchen in den Seitenfaltensack ausgebildeten Fülltrichter und mit zu beiden Längsseiten der Sacköffnung angeordneten, um horizontale Achsen verschwenkbaren, abgewinkelten Greifern, die sich mit einem nach unten weisenden Bereich an den Rand des Seitenfaltensacks legen und die ergriffenen Sackränder jeweils gegen eine quer zu den Längsseiten verfahrbare Klemmleiste drücken. Bei einer bekannten Vorrichtung dieser Art (DE-OS 28 52 022) sind die den Seitenfalten benachbarten Greifer um eine Achse verschwenkbar, die parallel zu den beiden Längsseiten der Sacköffnung läuft. Dabei sind die den Seitenfalten benachbarten, äußeren, jeweils auf der gleichen Längsseite angeordneten Greifer auseinander-und zusammenfahrbar.The invention relates to a filling station for gusseted bags with a filling funnel designed to be immersed in the gusseted bag and with angled grippers arranged on both longitudinal sides of the bag opening and pivotable about horizontal axes, which rest with a downward-pointing region on the edge of the gusseted bag and take hold of them Press the edges of the bag against a terminal block that can be moved transversely to the long sides. In a known device of this type (DE-OS 28 52 022), the grippers adjacent to the side folds can be pivoted about an axis which runs parallel to the two long sides of the bag opening. The outer grippers, which are adjacent to the side folds and are each arranged on the same longitudinal side, can be moved apart and moved together.

Es hat sich bei der bekannten Vorrichtung als nachteilig erwiesen, daß die Befüllung nicht schnell genug durchgeführt werden kann. Bei der bekannten Vorrichtung erfolgt sowohl das öffnen der Seitenfaltensäcke als auch das Festhalten mit Hilfe der Greifer im Bereich des Füllstutzens.It has proven to be disadvantageous in the known device that the filling cannot be carried out quickly enough. In the known device, both the opening of the gusseted bags and the holding in place with the aid of the grippers takes place in the area of the filler neck.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der als bekannt vorausgesetzten Art so auszubilden, daß sie eine schnellere Befüllung erlaubt, wobei gleichzeitig die Greifereinrichtung einfacher gestaltet werden soll.The invention is based on the object of designing a device of the type presupposed as known in such a way that it permits faster filling, while at the same time the gripper device is to be made simpler.

Die Lösung dieser Aufgabe erfolgt mit den Merkmalen des Kennzeichnungsteils von Anspruch 1.This object is achieved with the features of the labeling part of claim 1.

Durch eine einfache Maßnahme, nämlich die Anordnung der Schwenkachsen der Greifer unter einem spitzen Winkel zu den Längsseiten des Seitenfaltensacks, entfernen sich die seitlich außenliegenden Kanten der nach unten weisenden Bereiche der Greifer beim Einschwenken in den Seitenfaltensack voneinander. Dabei kann die Einstellung so vorgenommen werden, daß im Klemmzustand diese äußeren Kanten exakt in den Falten zwischen Längsseite und Querseite liegen.By means of a simple measure, namely the arrangement of the pivot axes of the grippers at an acute angle to the long sides of the side gusset bag, the laterally outer edges of the downward-facing regions of the grippers are separated from one another when pivoting into the side gusset bag. The setting can be made so that in the clamped state these outer edges lie exactly in the folds between the long side and the short side.

Die Beschleunigung der Befüllung wird dadurch erzielt, daß das bisher erforderliche seitliche Verfahren der äußeren Greifer nicht mehr erforderlich ist. Außerdem entfällt eine Voröffnungszeit des Seitenfaltensacks in der Füllposition, da dieser vorgeöffnet in die Greiferposition verfahren wird. Das Voröffnen kann beispielsweise mit Hilfe von Saugern vor der Füllstation erfolgen. Dabei genügt eine nur geringe Voröffnung, die ein Eintauchen der nach unten weisenden Bereiche der Greifer während des Schwenkvorgangs ermöglicht.The acceleration of the filling is achieved in that the lateral movement of the outer grippers that was previously required is no longer required. In addition, there is no pre-opening time for the gusseted bag in the filling position, since it is moved to the gripper position before opening. The pre-opening can take place, for example, with the aid of suction devices in front of the filling station. In this case, only a small pre-opening is sufficient, which enables the areas of the grippers pointing downward to be immersed during the swiveling process.

Nach dem Eintauchen der Greifer können diese in der Weise auseinandergefahren werden, daß eine rechteckige Füllöffnung entsteht, in die der rechteckige Füllstutzen einfahrbar ist. Mit Hilfe von Dichtleisten kann anschließend der Seitenfaltensack im Einfüllöffnungsbereich dicht von außen gegen den Fülltrichter gepreßt werden, so daß eine staubfreie Befüllung möglich ist.After immersing the grippers, they can be moved apart in such a way that a rectangular filling opening is created, into which the rectangular filler neck can be moved. With the help of sealing strips, the gusseted bag can then be pressed tightly from the outside against the filling funnel in the filling opening area, so that dust-free filling is possible.

Bevorzugte Ausführungsformen der Erfindung ergeben sich aus den Unteransprüchen.Preferred embodiments of the invention result from the subclaims.

Nachstehend wird eine bevorzugte Ausführungsform der Erfindung anhand der Zeichnung im einzelnen beschrieben. Es zeigen:

  • Figur 1 - eine Draufsicht auf die Füllstation mit dem Greifmechanismus in ausgeschwenkter Lage,
  • Figur 2 - eine Seitenansicht gemäß Pfeil II in Figur 1,
  • Figur 3 - eine Draufsicht auf den Greifmechanismus gemäß Figur 1 mit eingeschwenkten Greifern in der endgültigen Füllposition,
  • Figur 4 - eine Seitenansicht gemäß Pfeil IV in Figur 3.
A preferred embodiment of the invention is described in detail below with reference to the drawing. Show it:
  • FIG. 1 - a top view of the filling station with the gripping mechanism in the swiveled-out position,
  • Figure 2 - a side view according to arrow II in Figure 1,
  • FIG. 3 shows a plan view of the gripping mechanism according to FIG. 1 with the grippers pivoted in in the final filling position,
  • Figure 4 - a side view according to arrow IV in Figure 3.

An beiden Längsseiten 12a eines vorgeöffnet zur Füllstation kommenden Seitenfaltensacks 12 befinden sich gleich ausgebildete Klemm- und Greifeinrichtungen. An einem Rahmen, der aus zwei Längsholmen 5 und 6 und zwei Querstreben 8 besteht, ist jeweils ein senkrecht zu den Längsseiten verlaufender Stellzylinder 17 bzw. 18 angeordnet. DieKolbenstange des Stellzylinders 17 bzw. 18 ist mit einer Traverse 10 verbunden, an deren beiden Enden gelenkig gelagerte Stangen 19 bzw. 20 sitzen. Die Stangen 19 bzw. 20 greifen an Kurbelzapfen 16b bzw. 15b an. Bei der gemäß Figur 1 unteren Einrichtung greifen die Stangen 19 bzw. 20 an den Kurbelzapfen 13b bzw. 14b von Greifern 13 bzw. 14 an. Alle vier Greifer besitzen die Form eines abgewinkelten Blechs. Alle Greifer sind auf Lagerb-öcken 11 schwenkbar um horizontale Achsen 1 bzw. 2 bzw. 3 bzw. 4 gelagert, die jeweils unter einem Winkel α zu den Längsseiten des Seitenfaltensacks verlaufen. Zur Einstellung des gewünschten Sackformats sind die Lagerböcke 11 auf den Längsholmen 6 verschiebbar gelagert und in den Langlöchern 6a arretierbar.Identically designed clamping and gripping devices are located on both longitudinal sides 12a of a side gusseted bag 12 which comes to the filling station in a pre-opened position. On a frame made up of two longitudinal spars 5 and 6 and two cross struts 8, an adjusting cylinder 17 and 18 running perpendicular to the longitudinal sides is arranged. The piston rod of the actuating cylinder 17 and 18 is connected to a crossbeam 10, at the two ends of which rods 19 and 20 are hinged. The rods 19 and 20 engage crank pins 16b and 15b, respectively. In the lower device according to FIG. 1, the rods 19 and 20 engage the crank pins 13b and 14b of grippers 13 and 14, respectively. All four grippers have the shape of an angled sheet. All grippers are pivotally supported on pedestals 11 about horizontal axes 1 or 2 or 3 or 4, each of which extends at an angle α to the long sides of the gusseted bag. To set the desired bag format, the bearing blocks 11 are slidably mounted on the longitudinal bars 6 and can be locked in the elongated holes 6a.

Parallel zu den Längsseiten 12a verlaufen Klemmleisten 7. Bei einer Betätigung des Stellzylinders 17 werden die Greifer 13 und 14 um die Achsen 1 und 2 verschwenkt, wobei deren nach unten weisende Bereiche 13a und 14a in das Innere des Seitenfaltensacks eintauchen und den Sackrand an die Klemmleiste 7 klemmen. Dabei gelangen die jeweils außenliegenden Kanten der nach unten weisenden Bereiche 13a, 14a, 15a und 16a jeweils genau in die Eckfalten zwischen den Längsseiten 12a und den sich anschließenden Schmalseiten.Clamping strips 7 run parallel to the longitudinal sides 12a. When actuating the actuating cylinder 17, the grippers 13 and 14 are pivoted about the axes 1 and 2, their downward-pointing regions 13a and 14a immersing themselves in the inside of the gusseted bag and the edge of the bag against the clamping strip 7 clamp. The outer edges of the downward-facing regions 13a, 14a, 15a and 16a each reach the corner folds between the long sides 12a and the subsequent narrow sides.

Anschließend werden die den gesamten Klemmechanismus und Spreizmechanismus tragenden Rahmen auf der Führungsstange 9 auseinandergefahren. Die Querbeweglichkeit der zu beiden Seiten des Seitenfaltensacks 12 angeordneten Vorrichtungen wird durch die Doppelpfeile 21 symbolisiert. Die Rahmen werden so weit auseinandergefahren, bis der Öffnungsquerschnitt des Seitenfaltensacks Rechteckform aufweist, wie dies in Figur 3 gezeigt ist. Anschließend kann der nicht dargestellte Fülltrichter von oben eingefahren werden. Wenn eine staubdichte Befüllung erfolgen soll, können auch nicht dargestellte, aus dem Stand der Technik bekannte Dichtleisten vorgesehen sein, die den oberen Rand des Seitenfaltensacks von außen klemmend ergreifen und mit seiner Innenwand gegen die Außenwand des rechteckigen Fülltrichters drücken. Die Querverschiebung der beiden seitlich angeordneten Klemm-und Spreizmechanismen in Richtung der Doppelpfeile 21 kann mit Hilfe von Stellzylindern erfolgen, so daß eine vollautomatische Befüllung in kürzester Taktzeit möglich ist.The frames carrying the entire clamping mechanism and expansion mechanism are then moved apart on the guide rod 9. The transverse mobility of the devices arranged on both sides of the gusseted bag 12 is symbolized by the double arrows 21. The frames are moved apart until the opening cross section of the gusseted bag has a rectangular shape, as shown in FIG. 3. Then the hopper, not shown, can be retracted from above. If dust-tight filling is to take place, sealing strips (not shown) known from the prior art can also be provided, which grip the upper edge of the gusseted bag from the outside and press with its inner wall against the outer wall of the rectangular filling funnel. The transverse displacement of the two laterally arranged clamping and spreading mechanisms in the direction of the double arrows 21 can take place with the aid of actuating cylinders, so that fully automatic filling is possible in the shortest possible cycle time.

Der spitze Winkele beträgt im dargestellten Ausführungsbeispiel ca. 45°.The acute angle is approximately 45 ° in the illustrated embodiment.

Claims (5)

1. Füllstation für Seitenfaltensäcke mit einem zum Eintauchen in den Seitenfaltensack ausgebildeten Fülltrichter und mit zu beiden Längsseiten der Sacköffnung angeordneten, um horizontale Achsen verschwenkbaren, abgewinkelten Greifern, die sich mit einem nach unten weisenden Bereich an den Rand des Seitenfaltensacks legen und die ergriffenen Sackränder jeweils gegen eine quer zu den Längsseiten verfahrbare Klemmleiste drücken,
dadurch gekennzeichnet,
daß die Schwenkachsen (1;2;3;4)derart geneigt unter einem spitzen Winkel (vL) zu den Längsseiten (12a) des Seitenfaltensacks (12) angeordnet sind, daß sich die nach unten weisenden Bereiche (13a; 14a; 15a; 16a) der Greifer (13; 14; 15; 16) beim Einschwenken in den Seitenfaltensack (12) voneinander entfernen.1.Filling station for gusseted bags with a filling funnel designed to be immersed in the gusseted bag and with angled grippers arranged on both long sides of the bag opening, which can be pivoted about horizontal axes and which lie with a downward-pointing area on the edge of the gusseted bag and the gripped bag edges press against a terminal block that can be moved transversely to the long sides,
characterized,
that the pivot axes (1; 2; 3; 4) are inclined at an acute angle (vL) to the longitudinal sides (12a) of the gusseted bag (12) so that the downward-facing regions (13a; 14a; 15a; 16a ) remove the gripper (13; 14; 15; 16) from each other when swiveling into the gusseted bag (12). 2. Füllstation nach Anspruch 1, dadurch gekennzeichnet, daß die Greifer (13; 14; 15; 16) als abgewinkelte Bleche ausgebildet sind.2. Filling station according to claim 1, characterized in that the grippers (13; 14; 15; 16) are designed as angled sheets. 3. Füllstation nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Greifer (13; 14; 15; 16) über Stellzylinder (17; 18) und Kurbeltrieb (19; 20; 13b; 14b; 15b; 16b) verschwenkbar sind.3. filling station according to claim 1 or 2,
characterized,
that the grippers (13; 14; 15; 16) can be pivoted via the actuating cylinder (17; 18) and crank mechanism (19; 20; 13b; 14b; 15b; 16b). 4. Füllstation nach einem oder mehreren der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß der seitliche Abstand zwishen den Greifern (13 und 14; 15 und 16) verstellbar ist.4. filling station according to one or more of claims 1 to 3,
characterized,
that the lateral distance between the grippers (13 and 14; 15 and 16) is adjustable. 5. Füllstation nach einem oder mehreren der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß der spitze Winkel (α) ca 45° beträgt.5. filling station according to one or more of claims 1 to 4,
characterized,
that the acute angle (α) is approximately 45 °.
EP84107850A 1983-08-18 1984-07-05 Filling station for gusset folds bags Expired EP0134974B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3329825 1983-08-18
DE3329825A DE3329825C1 (en) 1983-08-18 1983-08-18 Filling station for gusseted bags

Publications (3)

Publication Number Publication Date
EP0134974A2 true EP0134974A2 (en) 1985-03-27
EP0134974A3 EP0134974A3 (en) 1985-12-11
EP0134974B1 EP0134974B1 (en) 1988-01-27

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EP84107850A Expired EP0134974B1 (en) 1983-08-18 1984-07-05 Filling station for gusset folds bags

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EP (1) EP0134974B1 (en)
DE (2) DE3329825C1 (en)
ES (1) ES535252A0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119024A (en) * 1990-03-09 1992-06-02 Landis & Gyr Betriebs Ag Optical device for sensing magnetic inductions
CN104760729A (en) * 2015-02-03 2015-07-08 张建航 M-edge packaging bag mouth unfolding-opening method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105833371B (en) * 2016-03-18 2017-11-07 温州职业技术学院 Hemo system cleaning rod breaks a seal equipment automatically

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608332A (en) * 1946-08-07 1952-08-26 American Can Co Bag opening machine with adjustably mounted bracket supported arms
FR2442770A1 (en) * 1978-12-01 1980-06-27 Icoma Packtechnik Gmbh FILLING STATION FOR LATERAL FOLD BAGS

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7309999U (en) * 1974-10-10 Beeck A Maschinenfabrik Device for flat folding of sack opening areas when the sack is full

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608332A (en) * 1946-08-07 1952-08-26 American Can Co Bag opening machine with adjustably mounted bracket supported arms
FR2442770A1 (en) * 1978-12-01 1980-06-27 Icoma Packtechnik Gmbh FILLING STATION FOR LATERAL FOLD BAGS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119024A (en) * 1990-03-09 1992-06-02 Landis & Gyr Betriebs Ag Optical device for sensing magnetic inductions
CN104760729A (en) * 2015-02-03 2015-07-08 张建航 M-edge packaging bag mouth unfolding-opening method
CN104760729B (en) * 2015-02-03 2018-05-22 张建航 A kind of M sides packing bag mouth struts method

Also Published As

Publication number Publication date
EP0134974B1 (en) 1988-01-27
ES8504602A1 (en) 1985-05-01
DE3329825C1 (en) 1985-05-30
EP0134974A3 (en) 1985-12-11
ES535252A0 (en) 1985-05-01
DE3469008D1 (en) 1988-03-03

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