EP0316868B1 - Closure for plastic bags and the like - Google Patents

Closure for plastic bags and the like Download PDF

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Publication number
EP0316868B1
EP0316868B1 EP88119023A EP88119023A EP0316868B1 EP 0316868 B1 EP0316868 B1 EP 0316868B1 EP 88119023 A EP88119023 A EP 88119023A EP 88119023 A EP88119023 A EP 88119023A EP 0316868 B1 EP0316868 B1 EP 0316868B1
Authority
EP
European Patent Office
Prior art keywords
clamping leg
clamping
leg
closure
recess
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
EP88119023A
Other languages
German (de)
French (fr)
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EP0316868A1 (en
Inventor
Jan Folkmar
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.)
FOLKMAR, JAN
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Individual
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Publication date
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Priority to AT88119023T priority Critical patent/ATE81323T1/en
Publication of EP0316868A1 publication Critical patent/EP0316868A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1658—Elements for flattening or folding the mouth portion
    • B65D33/1675—Hinged clips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/15—Bag fasteners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44641—Clasp, clip, support-clamp, or required component thereof having gripping member formed from, biased by, or mounted on resilient member
    • Y10T24/44744—Clasp, clip, support-clamp, or required component thereof having gripping member formed from, biased by, or mounted on resilient member with position locking-means for engaging faces
    • Y10T24/44752—Integral locking-means

Definitions

  • the invention relates to a closure for closing plastic bags or the like.
  • a closure according to the preamble of claim 1 is known from US-PS 4,296,529.
  • one leg is provided with a recess and the other leg is provided with a rib, so that the rib can be displaced into the recess by moving the two legs toward one another, with the clamping of an element to be closed in the form of a bag or the like.
  • the leg carrying the rib has essentially the shape of a "T", the parts striving to the side of the ribs limiting the depth with which the rib can engage in the recess of the other leg.
  • Such a closure requires the use of teeth to Clamp the bag to be closed, which can injure the bag.
  • a closure is known in which one leg contains a substantially V- or Y-shaped recess, while the other leg carries two mutually parallel flexible ribs which are used to close a bag or the like in the V-shaped or Y-shaped recess are to be shifted into it by clamping the bag section to be closed.
  • Such a closure has a complex profile and can only be produced with high material and tool costs.
  • a closure for plastic bags which consists of 2 legs, each leg of which carries part of a latching device which can be brought into engagement with one another by pivoting the two legs towards one another.
  • the fact that the latching device serves directly as a closure means for the plastic bags and at the same time forms the latching device results in the disadvantage that it is difficult to open the latch because the latching device is not accessible.
  • such a closure is not suitable for repeated opening and closing. The closure can only be opened with a relatively high level of force.
  • the invention has for its object to provide a closure that avoids the disadvantages mentioned above.
  • first clamping leg having the recess has a substantially U-shaped cross-section
  • side walls of the first clamping leg with a U-shaped cross-section are extended by lips within the plane of the respective wall, that the thickness of the lips is smaller than the thickness of the walls that the second clamping leg having the rib has a substantially V-shaped profile, and that the clear inner width of the U-shaped first clamping leg is smaller than the clear outer width of the second clamping leg.
  • the invention provides a closure, in particular for plastic bags, for ice cube freezer bags or the like, which has a comparatively simple structure, enables easy opening by actuating a locking device located outside the clamping surface, and which in particular allows fluid-tight, especially liquid-tight closing of plastic bags or the like enables.
  • the closure according to the invention consists of a first clamping leg 1 and a second clamping leg 2, which are pivotally connected to one another via a joint 3.
  • the joint 3 can e.g. have a joint axis defined by a line of weakness or the like.
  • Such articulated connections are known per se from US Pat. No. 4,296,529 or EP-A-0 156 779.
  • the closure consisting of the clamping legs 1, 2 and the joint 3 is preferably made in one piece and is preferably made of plastic, for example polyamide, but can also be made of stronger plastic.
  • the clamping leg 1 When viewed in cross section, the clamping leg 1 preferably has the shape of a "U" with mutually parallel walls 5, 6 which are connected to one another by means of a base 7. 3, the walls 5, 6 project vertically from the base 7 connecting them.
  • the walls 5, 6 can preferably be slightly inclined towards each other, so that the two walls 5, 6 strive outward from the base 7 connecting them (FIG. 3) in an approximately V-shaped manner.
  • the clamping leg 1 thus has essentially the shape of a channel, the longitudinal edges 5a, 6a of the walls 5, 6 facing away from the base 7 being provided with lips 9, 10 running out of the walls 5, 6.
  • the lips 9, 10 have a comparably small height compared to the height of the walls 5, 6 and a smaller thickness compared to the thickness of the walls 5, 6, so that they are more flexible than the walls 5, 6.
  • the lips 9, 10 are in accordance with 3 extended out of the walls 5, 6 in the direction of the second clamping leg 2 in such a way that the inner surface of each wall 5 or 6 is aligned with the inner surface of the associated lip 9 or 10, while a step 5a, 6a is formed between the outer surface of the wall 5 and 6 and the outer surface 12, 13 of the lips 9 and 10, respectively.
  • the lips 9, 10 have a significantly higher elasticity than the walls 5, 6 and, in the manner to be described below, enable a tight fit against the opposite clamping leg 2.
  • the clamping leg 1 can be provided on its outwardly facing surface of the base 7 with a reinforcing rib 15, as is indicated in FIG. 3.
  • the recess 16 defined by the two walls 5, 6 serves for receiving or at least partially receiving the clamping counterpart of the second clamping leg 2.
  • the recess 16 on the side of the joint 3 and on the opposite side of the clamping leg 1 is in each case by a corresponding wall 17 or 18 completed.
  • the second clamping leg 2 essentially has a V-shaped profile.
  • This V-shaped profile of the clamping leg 2 defines a longitudinal rib or a web 20, from which two inclined walls 21, 22 strive.
  • the two walls 21, 22 each merge into a web with a preferably rectangular cross section, which is designated by 23 or 24 and in the clamping position shown in FIG. 3, at least one in each case in alignment with the outer surface of the associated wall 5 or 6 located surface 23a or 24a.
  • an essentially V-shaped recess is formed on the side of the clamping leg 2 facing away from the rib 20, which can optionally be penetrated by reinforcing transverse ribs.
  • the closure according to FIG. 1 is brought into the position shown in FIG. 2, which exerts a clamping force on an enclosed bag or the like.
  • the closure state is maintained with a locking device.
  • the locking device consists of a locking lug 26 formed on one of the two clamping legs, which is provided at the free end of the clamping leg 1 and is designated by 26.
  • the associated snap-in part is provided at the free end of the other clamping leg 2 and is designated by 27.
  • the latching part 27 consists of a projection which, according to FIG.
  • the locking part 27 in the form of a lever is to be adjusted slightly in the direction of an arrow A, as a result of which the locking lug 26 is disengaged from the locking recess 27a. Then the two clamping legs 1, 2 can be pivoted in opposite directions to one another about the joint 3 in the open state.
  • FIG. 4 shows a perspective sectional view of a partially opened closure, a partial view of a plastic bag being shown between the two clamping legs 1, 2 in order to show how a clamping effect is exerted on this plastic bag by the two clamping legs 1, 2. It can be seen that for the liquid-tight closure of the plastic bag the two clamping legs 1, 2 are to be moved further towards one another until the plastic bag 30 is adequately clamped by the rib 20 on the one hand and the two ribs 9, 10 on the other hand.
  • the webs 23, 24 have lugs or steps 31, 32 which run approximately perpendicular to the surfaces 23a, 24a and which, in the state shown in FIGS. 1 and 3, are approximately parallel to the base 7.
  • These lugs 31, 32 can be used as Limiting the movement of the two Clamp legs 1, 2 may be provided towards each other. The movement is limited when the upper edge of the lips 9, 10 come to rest against these projections 31, 32.
  • the cross-sectional view of the webs 23, 24 shown in FIG. 3 is advantageously chosen to be approximately as large as the thickness of the walls 5, 6, so that the outer dimensions of the two clamping legs, viewed in the transverse direction, are approximately the same. From FIG. 3 it can also be seen that the lips 9, 10, at least in the state corresponding to FIG. 2, lie tightly against the outer surfaces of the walls 21, 22 and thus, with the bag inserted, the bag in the area of the closure due to the action of the lips 9, 10 press on the walls 21, 22 of the V-shaped clamping leg 2 in a fluid-tight or liquid-tight manner.
  • the lip 9 and / or the upper edge of the lips 9, 10 can be shaped in an arc shape, as shown in FIG 1 with respect to the rib 20 is indicated by dashed lines.
  • the maximum height of the rib 20 and / or the lips 9, 10 is in this case reached approximately at the middle of the length of the clamping legs 1, 2, i.e. the apex lies approximately on the center of the longitudinal axis of the clamping limbs 1, 2.
  • the two clamping limbs can be provided with recessed grips 35, 36 on their surface lying outward in FIG. 2, these recessed recesses 35, 36 being close the lateral locking device 26, 27 are.
  • the invention provides a closure, in particular for plastic bags, such as ice cube freezer bags, which is suitable for sealing the opening of the plastic bag after filling such ice cube freezer bags with water before the ice cube freezer bag is placed in an ice compartment.
  • the closure has a simple structure, requires simple molds for the production of the two clamping legs while ensuring a sufficient clamping force between the two clamping legs.
  • the arrangement of the two lips 9, 10 as an extension of the walls 5, 6 contributes significantly to exerting a good clamping force on the bag placed between the clamping legs and ensuring a liquid-tight closure of the plastic bag without the risk of injury to the plastic bag.
  • the risk of injury to the plastic bag to be closed is additionally eliminated by rounding off the exposed edges of the lips 9, 10, as can be seen in FIG. 3.
  • the closure according to the invention can be locked in a simple manner in the clamped state by latching devices 26, 27, and the latching device according to the invention enables the closure to be opened easily and without problem by slight movement of the lever 27.
  • the closure according to the invention is therefore easily lockable and can be opened from its locking and can therefore be easily reused.
  • the inside clear width of the first clamping leg 1, i.e. the distance 16 defining the recess between the walls 5, 6 is preferably chosen to be smaller than the outer distance of the second clamping leg 2 in the region of the intersection between the surfaces 31 and the outer surface of the wall 21 or the surface 32 and the outer surface of the wall 22 achieved that when the V-shaped profile of the second clamping leg 2 engages in the recess 16 as shown in FIG. 3, the lips 9, 10 are bent laterally outwards.
  • the two clamping legs 1.2 enclose an angle of 180 °, whereas in the illustration according to FIG. 2 the two clamping legs are in engagement with one another, which corresponds to an angle of 0 °.
  • the invention provides that the joint 3 is at a height which is approximately the distance when the two clamping legs are in the 180 ° position corresponds to the step-shaped surfaces 5a, 6a from the base 7.
  • the surfaces 5a, 6a run essentially parallel to the base 7 in the embodiment shown and essentially parallel to the surfaces 31, 32 in the illustration according to FIG. 6.

Abstract

A closure for closing plastic bags or the like consists of two clamping legs connected together via a joint and a lock for holding the clamping legs in mutual engagement, the one clamping leg being provided with a recess extending along the axis of the clamping leg and the other clamping leg being provided with a rib which extends along its axis and which is adapted to be moved into the recess by movement of the two clamping legs towards each other, a member of the lock being formed on one clamping leg and the other member on the other clamping leg. The first clamping leg having a recess has a substantially U-shaped cross-section, the sidewalls of the first clamping leg with U-shaped cross-section are extended by lips in the plane of the respective wall, the thickness of the lips is less than the thickness of the walls; the second leg comprising the rib has a substantially V-shaped profile and the clear internal width of the U-shaped first clamping leg is less than the clear external width of the second clamping leg.

Description

Die Erfindung betrifft einen Verschluß zum Verschließen von Kunststoffbeuteln oder dergleichen.The invention relates to a closure for closing plastic bags or the like.

Ein Verschluß gemäß dem Oberbegriff des Patentanspruchs 1 ist aus der US-PS 4 296 529 bekannt. Bei diesem Verschluß ist ein Schenkel mit einer Aussparung und der andere Schenkel mit einer Rippe versehen, so daß durch eine Bewegung der beiden Schenkel aufeinander zu die Rippe in die Aussparung verlagerbar ist unter Einklemmung eines zu verschließenden Elements in Form eines Beutels oder dergleichen. Der die Rippe tragende Schenkel hat dabei im wesentlichen die Form eines "T", wobei die seitlich der Rippen abstrebenden Teile die Tiefe begrenzen, mit welcher die Rippe in die Aussparung des anderen Schenkels einzugreifen vermag. Ein solcher Verschluß bedarf des Einsatzes von Zähnen, um den zu verschließenden Beutel festzuklemmen, wobei der Beutel verletzt werden kann. Die Zähne sind erforderlich, um Toleranzprobleme zwischen der Rippe und der Aussparung in den der Rippe gegenüberliegenden Schenkel zu vermeiden. Weiter nachteilig ist, daß bei diesem Verschluß zur Arretierung der beiden Klemmschenkel im Verschlußzustand zwischen einer Nase und einer Reibfläche Reibungskräfte ausgenutzt werden. Um ein unbeabsichtigtes Aufspringen des Verschlusses zu verhindern, muß die Reibungskraft bzw. Klemmkraft zwischen Nase und Reibfläche sehr hoch sein, was die Handhabung erschwert.A closure according to the preamble of claim 1 is known from US-PS 4,296,529. In this closure, one leg is provided with a recess and the other leg is provided with a rib, so that the rib can be displaced into the recess by moving the two legs toward one another, with the clamping of an element to be closed in the form of a bag or the like. The leg carrying the rib has essentially the shape of a "T", the parts striving to the side of the ribs limiting the depth with which the rib can engage in the recess of the other leg. Such a closure requires the use of teeth to Clamp the bag to be closed, which can injure the bag. The teeth are required to avoid tolerance problems between the rib and the recess in the legs opposite the rib. Another disadvantage is that in this closure for locking the two clamping legs in the closed state between a nose and a friction surface, frictional forces are used. In order to prevent the closure from opening unintentionally, the frictional force or clamping force between the nose and the friction surface must be very high, which makes handling more difficult.

Aus der EP-A-0 156 779 ist ein Verschluß bekannt, bei dem ein Schenkel eine im wesentlichen V- oder Y-förmige Aussparung enthält, während der andere Schenkel zwei zueinander parallele flexible Rippen trägt, die zum Verschließen eines Beutels oder dergleichen in die V- oder Y-förmige Aussparung hinein unter Einklemmung des zu verschließenden Beutelabschnitts zu verlagern sind. Ein solcher Verschluß hat ein aufwendiges Profil und läßt sich nur mit hohen Material- und Werkzeugkosten herstellen.From EP-A-0 156 779 a closure is known in which one leg contains a substantially V- or Y-shaped recess, while the other leg carries two mutually parallel flexible ribs which are used to close a bag or the like in the V-shaped or Y-shaped recess are to be shifted into it by clamping the bag section to be closed. Such a closure has a complex profile and can only be produced with high material and tool costs.

In der DE-OS 25 54 392 ist ein Verschluß für Kunststoffsäcke beschrieben, der aus 2 Schenkeln besteht, von denen jeder Schenkel einen Teil einer Rasteinrichtung trägt, die miteinander in Eingriff bringbar sind durch Verschwenken der beiden Schenkel aufeinander zu. Dadurch, daß die Rasteinrichtung direkt als Verschlußmittel für die Kunststoffsäcke dient und gleichzeitig die Rasteinrichtung bildet, ergibt sich der Nachteil, daß ein Öffnen des Verschlusses mangels Zugänglichkeit der Rasteinrichtung nur schwer möglich ist. Insbesondere ist ein solcher Verschluß für ein wiederholtes Öffnen und Schließen nicht geeignet. Ein Öffnen des Verschlusses ist nur mit relativ hohem Kraftaufwand erreichbar.In DE-OS 25 54 392 a closure for plastic bags is described, which consists of 2 legs, each leg of which carries part of a latching device which can be brought into engagement with one another by pivoting the two legs towards one another. The fact that the latching device serves directly as a closure means for the plastic bags and at the same time forms the latching device results in the disadvantage that it is difficult to open the latch because the latching device is not accessible. In particular, such a closure is not suitable for repeated opening and closing. The closure can only be opened with a relatively high level of force.

Der Erfindung liegt die Aufgabe zugrunde, einen Verschluß zu schaffen, der die vorstehend angegebenen Nachteile vermeidet.The invention has for its object to provide a closure that avoids the disadvantages mentioned above.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der die Aussparung aufweisende erste Klemmschenkel im wesentlichen U-förmigen Querschnitt hat, daß die Seitenwände des ersten Klemmschenkels mit U-förmigen Querschnitt durch Lippen innerhalb der Ebene der jeweiligen Wand verlängert sind, daß die Stärke der Lippen kleiner als die Stärke der Wände ist, daß der die Rippe aufweisende zweite Klemmschenkel im wesentlichen V-förmiges Profil besitzt, und daß die lichte innere Weite des U-förmigen ersten Klemmschenkels kleiner ist als die lichte äußere Weite des zweiten Klemmschenkels.This object is achieved in that the first clamping leg having the recess has a substantially U-shaped cross-section, that the side walls of the first clamping leg with a U-shaped cross-section are extended by lips within the plane of the respective wall, that the thickness of the lips is smaller than the thickness of the walls that the second clamping leg having the rib has a substantially V-shaped profile, and that the clear inner width of the U-shaped first clamping leg is smaller than the clear outer width of the second clamping leg.

Weitere Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Further refinements of the invention result from the subclaims.

Die Erfindung schafft einen Verschluß, insbesondere für Beutel aus Kunststoff, für Eiswürfel-Gefrierbeutel oder dergleichen, der vergleichbar einfachen Aufbau hat, ein leichtes Öffnen durch Betätigung einer außerhalb der Klemmfläche liegenden Rasteinrichtung ermöglicht und der insbesondere ein fluiddichtes, speziell flüssigkeitsdichtes Abschließen von Kunststoffbeuteln oder dergleichen ermöglicht.The invention provides a closure, in particular for plastic bags, for ice cube freezer bags or the like, which has a comparatively simple structure, enables easy opening by actuating a locking device located outside the clamping surface, and which in particular allows fluid-tight, especially liquid-tight closing of plastic bags or the like enables.

Im folgenden werden bevorzugte Ausführungsformen des erfindungsgemäßen Verschlusses anhand der Zeichnung zur Erläuterung weiterer Merkmale beschrieben. Es zeigen:

Fig. 1
eine Perspektivansicht einer bevorzugten Ausführungsform des Verschlusses im vollständig geöffneten Zustand,
Fig. 2
eine Seitenansicht des Verschlusses gemäß Fig. 1 im geschlossenen Zustand, d.h. zum Zwecke eines fluiddichten Verschließens einer Beutelöffnung, wobei der Beutel nicht dargestellt ist,
Fig. 3
eine Schnittansicht entlang der Linie 3-3′ in Fig. 2, und
Fig. 4
eine Fig. 3 entsprechende Schnittdarstellung, wobei die beiden Schenkel des Verschlusses einen Winkel von ca. 35° einschließen.
Preferred embodiments of the closure according to the invention are described below with the aid of the drawing to explain further features. Show it:
Fig. 1
2 shows a perspective view of a preferred embodiment of the closure in the fully opened state,
Fig. 2
1 in the closed state, ie for the purpose of fluid-tight sealing of a bag opening, the bag not being shown,
Fig. 3
a sectional view taken along line 3-3 'in Fig. 2, and
Fig. 4
a sectional view corresponding to Fig. 3, wherein the two legs of the closure enclose an angle of approximately 35 °.

Gemäß den Fig. 1 bis 3 besteht der erfindungsgemäße Verschluß aus einem ersten Klemmschenkel 1 und einem zweiten Klemmschenkel 2, die über ein Gelenk 3 relativ zueinander verschwenkbar verbunden sind. Das Gelenk 3 kann z.B. eine durch eine Schwächungslinie oder dergleichen definierte Gelenkachse aufweisen. Solche Gelenkverbindungen sind aus der US-PS 4 296 529 oder der EP-A-0 156 779 an sich bekannt.1 to 3, the closure according to the invention consists of a first clamping leg 1 and a second clamping leg 2, which are pivotally connected to one another via a joint 3. The joint 3 can e.g. have a joint axis defined by a line of weakness or the like. Such articulated connections are known per se from US Pat. No. 4,296,529 or EP-A-0 156 779.

Der aus den Klemmschenkeln 1, 2 und dem Gelenk 3 bestehende Verschluß wird vorzugsweise einstückig hergestellt und besteht vorzugsweise aus Kunststoff, beispielsweise Polyamid, läßt sich aber auch aus festerem Kunststoff herstellen.The closure consisting of the clamping legs 1, 2 and the joint 3 is preferably made in one piece and is preferably made of plastic, for example polyamide, but can also be made of stronger plastic.

Der Klemmschenkel 1 hat vorzugsweise im Querschnitt gesehen die Form eines "U" mit zueinander parallelen Wänden 5, 6, die mittels einer Basis 7 miteinander verbunden sind. Nach Fig. 3 stehen die Wände 5, 6 vertikal von der sie verbindenden Basis 7 ab. Nach einer abgewandelten Ausführungsform können die Wände 5, 6 vorzugsweise geringfügig gegeneinander geneigt sein, so daß die beiden Wände 5, 6 von der sie verbindenden Basis 7 (Fig. 3) nach außen etwa V-förmig verlaufend abstreben.When viewed in cross section, the clamping leg 1 preferably has the shape of a "U" with mutually parallel walls 5, 6 which are connected to one another by means of a base 7. 3, the walls 5, 6 project vertically from the base 7 connecting them. According to a modified embodiment, the walls 5, 6 can preferably be slightly inclined towards each other, so that the two walls 5, 6 strive outward from the base 7 connecting them (FIG. 3) in an approximately V-shaped manner.

Der Klemmschenkel 1 hat damit im wesentlichen die Form eines Kanals, wobei die der Basis 7 abgewandten Längskanten 5a, 6a der Wände 5, 6 mit aus den Wänden 5, 6 heraus verlaufenden Lippen 9, 10 versehen sind. Die Lippen 9, 10 haben eine gegenüber der Höhe der Wände 5, 6 vergleichbar kleine Höhe und gegenüber der Stärke der Wände 5, 6 geringere Stärke, so daß sie flexibler sind als die Wände 5, 6. Insbesondere sind die Lippen 9, 10 gemäß Fig. 3 derart aus den Wänden 5, 6 heraus in Richtung auf den zweiten Klemmschenkel 2 verlängert, daß die Innenfläche jeder Wand 5 bzw. 6 mit der Innenfläche der zugehörigen Lippe 9 bzw. 10 fluchtet, während zwischen der Außenfläche der Wand 5 bzw. 6 und der Außenfläche 12, 13 der Lippen 9 bzw. 10 eine Stufe 5a, 6a gebildet wird. Auf diese Weise haben die Lippen 9, 10 eine wesentlich höhere Elastizität als die Wände 5, 6 und ermöglichen in der noch zu beschreibenden Weise ein dichtes Anliegen an dem gegenüberliegenden Klemmschenkel 2.The clamping leg 1 thus has essentially the shape of a channel, the longitudinal edges 5a, 6a of the walls 5, 6 facing away from the base 7 being provided with lips 9, 10 running out of the walls 5, 6. The lips 9, 10 have a comparably small height compared to the height of the walls 5, 6 and a smaller thickness compared to the thickness of the walls 5, 6, so that they are more flexible than the walls 5, 6. In particular, the lips 9, 10 are in accordance with 3 extended out of the walls 5, 6 in the direction of the second clamping leg 2 in such a way that the inner surface of each wall 5 or 6 is aligned with the inner surface of the associated lip 9 or 10, while a step 5a, 6a is formed between the outer surface of the wall 5 and 6 and the outer surface 12, 13 of the lips 9 and 10, respectively. In this way, the lips 9, 10 have a significantly higher elasticity than the walls 5, 6 and, in the manner to be described below, enable a tight fit against the opposite clamping leg 2.

Zur Vermeidung einer bogenförmigen Durchbiegung des Klemmschenkels 1 im Falle der Herstellung aus einem weicheren bzw. flexiblen Kunststoffmaterial kann der Klemmschenkel 1 an seiner nach außen weisenden Fläche der Basis 7 mit einer Verstärkungsrippe 15 versehen sein, wie dies in Fig. 3 angedeutet ist. Die durch die beiden Wände 5, 6 definierte Aussparung 16 dient zur Aufnahme oder zumindest zur teilweisen Aufnahme des Klemmgegenstückes des zweiten Klemmschenkels 2. Die Aussparung 16 auf der Seite des Gelenks 3 und auf der gegenüberliegenden Seite des Klemmschenkels 1 ist jeweils durch eine entsprechende Wandung 17 bzw. 18 abgeschlossen.To avoid an arcuate deflection of the clamping leg 1 in the case of production from a softer or flexible plastic material, the clamping leg 1 can be provided on its outwardly facing surface of the base 7 with a reinforcing rib 15, as is indicated in FIG. 3. The recess 16 defined by the two walls 5, 6 serves for receiving or at least partially receiving the clamping counterpart of the second clamping leg 2. The recess 16 on the side of the joint 3 and on the opposite side of the clamping leg 1 is in each case by a corresponding wall 17 or 18 completed.

Der zweite Klemmschenkel 2 hat gemäß der in den Figuren dargestellten Ausführungsform im wesentlichen ein V-förmiges Profil. Dieses V-förmige Profil des Klemmschenkels 2 definiert eine Längsrippe oder einen Steg 20, von dem zwei geneigte Wände 21, 22 abstreben. An ihrer Unterseite (Fig. 3) gehen die beiden Wände 21, 22 jeweils in einen Steg mit vorzugsweise rechteckigem Querschnitt über, der mit 23 bzw. 24 bezeichnet ist und in der in Fig. 3 gezeigten Klemmstellung jeweils wenigstens eine in Flucht zur Außenfläche der zugehörigen Wand 5 bzw. 6 befindliche Fläche 23a bzw. 24a festlegt. Am zweiten Klemmschenkel 2 ist auf der zur Rippe 20 abgewandten Seite des Klemmschenkels 2 eine im wesentlichen V-förmige Aussparung ausgebildet, die gegebenenfalls durch Verstärkungsquerrippen durchsetzt sein kann.According to the embodiment shown in the figures, the second clamping leg 2 essentially has a V-shaped profile. This V-shaped profile of the clamping leg 2 defines a longitudinal rib or a web 20, from which two inclined walls 21, 22 strive. On their underside (FIG. 3), the two walls 21, 22 each merge into a web with a preferably rectangular cross section, which is designated by 23 or 24 and in the clamping position shown in FIG. 3, at least one in each case in alignment with the outer surface of the associated wall 5 or 6 located surface 23a or 24a. On the second clamping leg 2, an essentially V-shaped recess is formed on the side of the clamping leg 2 facing away from the rib 20, which can optionally be penetrated by reinforcing transverse ribs.

Durch Verschwenken des Klemmschenkels 1 oder 2 in Richtung auf den zugehörigen Klemmschenkel wird der Verschluß gemäß Fig. 1 in die in Fig. 2 gezeigte, Klemmkraft auf einen eingeschlossenen Beutel oder dergleichen ausübende Position verbracht. Zum Zwecke der Beibehaltung des Verschlußzustandes ist der Verschluß mit einer Rasteinrichtung versehen. Die Rasteinrichtung besteht bei der gezeigten Ausführungsform aus einer an einem der beiden Klemmschenkel ausgebildeten Rastnase 26, die am freien Ende des Klemmschenkels 1 vorgesehen und mit 26 bezeichnet ist. Das zugehörige Einrastteil ist am freien Ende des anderen Klemmschenkels 2 vorgesehen und mit 27 bezeichnet. Das Rastteil 27 besteht aus einem Ansatz, der nach Fig. 1 vom freien Ende des Klemmschenkels 2 schräg verlaufend wegsteht und eine Rastausnehmung 27a festlegt, in die die Rastnase 26 verbracht werden kann. Aufgrund einer hebelartigen Anlenkung des Rastteils 27 wird diesem Rastteil 27 eine gewisse Elastizität vermittelt, was das Einschnappen der Rastnase 26 in die Rastaussparung 27a gewährleistet, sowie eine Freigabe der Rasteinrichtung durch geringfügige Bewegung des Rastteils 27 in Fig. 1 im Uhrzeigersinn ermöglicht. Zur Lösung der Rasteinrichtung ist demzufolge gemäß Fig. 2 das Rastteil 27 in Form eines Hebels geringfügig in Richtung eines Pfeils A zu verstellen, wodurch die Rastnase 26 außer Eingriff mit der Rastaussparung 27a gebracht wird. Danach lassen sich die beiden Klemmschenkel 1, 2 zueinander entgegengesetzt um das Gelenk 3 in den geöffneten Zustand verschwenken.By pivoting the clamping leg 1 or 2 in the direction of the associated clamping leg, the closure according to FIG. 1 is brought into the position shown in FIG. 2, which exerts a clamping force on an enclosed bag or the like. For the purpose the closure state is maintained with a locking device. In the embodiment shown, the locking device consists of a locking lug 26 formed on one of the two clamping legs, which is provided at the free end of the clamping leg 1 and is designated by 26. The associated snap-in part is provided at the free end of the other clamping leg 2 and is designated by 27. The latching part 27 consists of a projection which, according to FIG. 1, projects obliquely from the free end of the clamping leg 2 and defines a latching recess 27a into which the latching lug 26 can be placed. Due to a lever-like articulation of the latching part 27, this latching part 27 is given a certain elasticity, which ensures that the latching lug 26 snaps into the latching recess 27a, and enables the latching device to be released by slight movement of the latching part 27 in a clockwise direction in FIG. 1. 2, the locking part 27 in the form of a lever is to be adjusted slightly in the direction of an arrow A, as a result of which the locking lug 26 is disengaged from the locking recess 27a. Then the two clamping legs 1, 2 can be pivoted in opposite directions to one another about the joint 3 in the open state.

Fig. 4 zeigt eine perspektive Schnittansicht eines teilweise geöffneten Verschlusses, wobei zwischen den beiden Klemmschenkeln 1, 2 in Teilansicht ein Kunststoffbeutel dargestellt ist, um aufzuzeigen, wie auf diesen Kunststoffbeutel durch die beiden Klemmschenkel 1, 2 eine Klemmwirkung ausgeübt wird. Es ist ersichtlich, daß zum flüssigkeitsdichten Abschluß des Kunststoffbeutels die beiden Klemmschenkel 1, 2 noch weiter aufeinander zu zu bewegen sind, bis durch die Rippe 20 einerseits und die beiden Rippen 9, 10 andererseits der Kunststoffbeutel 30 hinreichend eingeklemmt wird.4 shows a perspective sectional view of a partially opened closure, a partial view of a plastic bag being shown between the two clamping legs 1, 2 in order to show how a clamping effect is exerted on this plastic bag by the two clamping legs 1, 2. It can be seen that for the liquid-tight closure of the plastic bag the two clamping legs 1, 2 are to be moved further towards one another until the plastic bag 30 is adequately clamped by the rib 20 on the one hand and the two ribs 9, 10 on the other hand.

Die Stege 23, 24 weisen etwa senkrecht zu den Flächen 23a, 24a verlaufende Ansätze bzw. Stufen 31, 32 auf, die in dem in Fig. 1 bzw. 3 gezeigten Zustand etwa parallel liegen zur Basis 7. Diese Ansätze 31, 32 können als Begrenzung der Bewegung der beiden Klemmschenkel 1, 2 aufeinander zu vorgesehen sein. Eine Begrenzung der Bewegung liegt dann vor, wenn die Oberkante der Lippen 9, 10 an diesen Ansätzen 31, 32 zur Anlage kommen.The webs 23, 24 have lugs or steps 31, 32 which run approximately perpendicular to the surfaces 23a, 24a and which, in the state shown in FIGS. 1 and 3, are approximately parallel to the base 7. These lugs 31, 32 can be used as Limiting the movement of the two Clamp legs 1, 2 may be provided towards each other. The movement is limited when the upper edge of the lips 9, 10 come to rest against these projections 31, 32.

Vorteilhafterweise wird die in Fig. 3 in Querschnittsansicht dargestellte Breite der Stege 23, 24 etwa so groß gewählt wie die Stärke der Wände 5, 6, so daß die Außenabmessungen der beiden Klemmschenkel, in Querrichtung gesehen, etwa gleich sind. Aus Fig. 3 ist weiter erkennbar, daß die Lippen 9, 10 zumindest in dem Fig. 2 entsprechenden Zustand dicht an den Außenflächen der Wände 21, 22 anliegen und damit bei zwischengefügtem Beutel den Beutel im Bereich des Verschlusses aufgrund der Wirkung der Lippen 9, 10 auf die Wände 21, 22 des V-förmigen Klemmschenkels 2 fluid- oder insbesondere flüssigkeitsdicht abdrücken.The cross-sectional view of the webs 23, 24 shown in FIG. 3 is advantageously chosen to be approximately as large as the thickness of the walls 5, 6, so that the outer dimensions of the two clamping legs, viewed in the transverse direction, are approximately the same. From FIG. 3 it can also be seen that the lips 9, 10, at least in the state corresponding to FIG. 2, lie tightly against the outer surfaces of the walls 21, 22 and thus, with the bag inserted, the bag in the area of the closure due to the action of the lips 9, 10 press on the walls 21, 22 of the V-shaped clamping leg 2 in a fluid-tight or liquid-tight manner.

Um eine noch bessere Klemmwirkung etwa in der Mitte der Klemmschenkel 1, 2 in Bezug auf die Achse der Klemmschenkel 1, 2 gesehen, zu erreichen, kann die Lippe 9 und/oder die Oberkante der Lippen 9, 10 bogenförmig geformt sein, wie in Fig. 1 hinsichtlich der Rippe 20 strichliert angedeutet ist. Die maximale Höhe der Rippe 20 und/oder der Lippen 9, 10 wird hierbei etwa auf der Mitte der Länge der Klemmschenkel 1, 2 erreicht, d.h. der Scheitel liegt etwa auf der Mitte der Längsachse der Klemmschenkel 1, 2. Zur besseren Handhabung des Verschlusses können schließlich die beiden Klemmschenkel an ihrer in Fig. 2 nach außen liegenden Fläche mit Griffmulden 35, 36 versehen sein, wobei diese Griffmulden 35, 36 nahe der seitlichen Rasteinrichtung 26, 27 liegen.In order to achieve an even better clamping effect as seen approximately in the middle of the clamping legs 1, 2 with respect to the axis of the clamping legs 1, 2, the lip 9 and / or the upper edge of the lips 9, 10 can be shaped in an arc shape, as shown in FIG 1 with respect to the rib 20 is indicated by dashed lines. The maximum height of the rib 20 and / or the lips 9, 10 is in this case reached approximately at the middle of the length of the clamping legs 1, 2, i.e. the apex lies approximately on the center of the longitudinal axis of the clamping limbs 1, 2. Finally, for better handling of the closure, the two clamping limbs can be provided with recessed grips 35, 36 on their surface lying outward in FIG. 2, these recessed recesses 35, 36 being close the lateral locking device 26, 27 are.

Die Erfindung schafft einen Verschluß, insbesondere für Kunststoffbeutel, wie beispielsweise Eiswürfel-Gefrierbeutel, der dazu geeignet ist, nach dem Auffüllen solcher Eiswürfel-Gefrierbeutel mit Wasser die Öffnung des Kunststoffbeutels flüssigkeitsdicht abzuschließen, bevor der Eiswürfel-Gefrierbeutel in ein Eisfach gelegt wird. Der Verschluß hat einfachen Aufbau, erfordert einfache Formwerkzeuge zur Herstellung der beiden Klemmschenkel unter Gewährleistung einer ausreichenden Klemmkraft zwischen den beiden Klemmschenkeln. Insbesondere die Anordnung der beiden Lippen 9, 10 als Verlängerung der Wände 5, 6 trägt wesentlich dazu bei, eine gute Klemmkraft auf den zwischen die Klemmschenkel gelegten Beutel auszuüben und einen flüssigkeitsdichten Verschluß des Kunststoffbeutels ohne die Gefahr einer Verletzung des Kunststoffbeutels zu gewährleisten. Die Gefahr einer Verletzung des zu verschließenden Kunststoffbeutels wird noch zusätzlich dadurch beseitigt, daß die freiliegenden Kanten der Lippen 9, 10 abgerundet sind, wie dies aus Fig. 3 hervorgeht.The invention provides a closure, in particular for plastic bags, such as ice cube freezer bags, which is suitable for sealing the opening of the plastic bag after filling such ice cube freezer bags with water before the ice cube freezer bag is placed in an ice compartment. The closure has a simple structure, requires simple molds for the production of the two clamping legs while ensuring a sufficient clamping force between the two clamping legs. In particular, the arrangement of the two lips 9, 10 as an extension of the walls 5, 6 contributes significantly to exerting a good clamping force on the bag placed between the clamping legs and ensuring a liquid-tight closure of the plastic bag without the risk of injury to the plastic bag. The risk of injury to the plastic bag to be closed is additionally eliminated by rounding off the exposed edges of the lips 9, 10, as can be seen in FIG. 3.

Der erfindungsgemäße Verschluß läßt sich durch Rasteinrichtung 26, 27 auf einfache Weise im Klemmzustand arretieren und es läßt sich durch die erfindungsgemäße Rasteinrichtung ein leichtes, problemloses Öffnen des Verschlusses durch geringfügige Bewegung des Hebels 27 durchführen. Der erfindungsgemäße Verschluß ist daher leicht arretierbar und aus seiner Arretierung öffnungsfähig und damit ohne weiteres wiederverwendbar.The closure according to the invention can be locked in a simple manner in the clamped state by latching devices 26, 27, and the latching device according to the invention enables the closure to be opened easily and without problem by slight movement of the lever 27. The closure according to the invention is therefore easily lockable and can be opened from its locking and can therefore be easily reused.

Um eine ausreichende Klemmwirkung zwischen dem ersten Klemmschenkel 1 und dem zweiten Klemmschenkel 2 zu erreichen, ist die innere lichte Weite des ersten Klemmschenkels 1, d.h. der die Aussparung 16 festlegende Abstand zwischen den Wänden 5, 6 vorzugsweise kleiner gewählt als der Außenabstand des zweiten Klemmschenkels 2 im Bereich der Schnittlinie zwischen den Flächen 31 und der Außenfläche der Wand 21 bzw. der Fläche 32 und der Außenfläche der Wand 22. Hierdurch wird erreicht, daß bei einem Eingreifen des V-förmigen Profils des zweiten Klemmschenkels 2 in die Aussparung 16 gemäß der Darstellung in Fig. 3 die Lippen 9, 10 seitlich nach außen umgebogen werden.In order to achieve a sufficient clamping effect between the first clamping leg 1 and the second clamping leg 2, the inside clear width of the first clamping leg 1, i.e. the distance 16 defining the recess between the walls 5, 6 is preferably chosen to be smaller than the outer distance of the second clamping leg 2 in the region of the intersection between the surfaces 31 and the outer surface of the wall 21 or the surface 32 and the outer surface of the wall 22 achieved that when the V-shaped profile of the second clamping leg 2 engages in the recess 16 as shown in FIG. 3, the lips 9, 10 are bent laterally outwards.

Bei der Darstellung nach Fig. 1 schließen die beiden Klemmschenkel 1. 2 einen Winkel von 180° ein, in der Darstellung nach Fig. 2 stehen dagegen die beiden Klemmschenkel in Eingriff miteinander, was einen Winkel von 0° entspricht. Um diese beiden Grundstellungen nach Fig. 1 und 2 zu erreichen, ist erfindungsgemäß vorgesehen, daß das Gelenk 3 bei der 180°-Stellung der beiden Klemmschenkel sich in einer Höhe befindet, die etwa dem Abstand der stufenförmigen Flächen 5a, 6a von der Basis 7 entspricht. Die Flächen 5a, 6a verlaufen bei der dargestellten Ausführungsform im wesentlichen parallel zur Basis 7 und bei der Darstellung nach Fig. 6 im wesentlichen parallel zu den Flächen 31, 32.In the illustration according to FIG. 1, the two clamping legs 1.2 enclose an angle of 180 °, whereas in the illustration according to FIG. 2 the two clamping legs are in engagement with one another, which corresponds to an angle of 0 °. In order to achieve these two basic positions according to FIGS. 1 and 2, the invention provides that the joint 3 is at a height which is approximately the distance when the two clamping legs are in the 180 ° position corresponds to the step-shaped surfaces 5a, 6a from the base 7. The surfaces 5a, 6a run essentially parallel to the base 7 in the embodiment shown and essentially parallel to the surfaces 31, 32 in the illustration according to FIG. 6.

Claims (7)

  1. A closure for closing plastic bags or the like, consisting of two clamping legs (1, 2) connected with each other through a link (3) and a lock (26, 27) holding the clamping legs in mutual engagement, one clamping leg (1) being provided with a recess (16) extending along the axis of the clamping leg and the other clamping leg (2) being provided with a rib (20) extending along the axis thereof and being transferable into the recess (16) by moving the two clamping legs towards each other,
    part of the lock (26) being formed at one clamping leg and the other part (27) being formed at the other clamping leg,
    characterized in that
    the first clamping leg (1) having the recess (16) has an essentially U-shaped cross-section,
    that the side walls of the first clamping leg (1) having U-shaped cross-section are extended in the plane of the respective wall (5, 6) by lips (9, 10),
    that the thickness of the lips (9, 10) is smaller than the thickness of the walls (5, 6),
    that the second clamping leg (2) having the rib (20) has an essentially V-shaped section, and
    that the inner effective diameter of the U-shaped first clamping leg (1) is smaller than the outer effective diameter of the second clamping leg (2).
  2. Closure according to claim 1, characterized in that the lips (9, 10) are in flush abutment against the inwardly pointing area of the side walls (5, 6).
  3. Closure according to claim 1 or 2, characterized in that reinforcing bars (23, 24) extending in parallel with the longitudinal leg direction are formed at the free ends of the V-shaped section of the second clamping leg (2).
  4. Closure according to any of the preceding claims, characterized in that the side walls (5, 6) of the first clamping leg (1) are inclined as compared with the axis of the first clamping leg (1).
  5. Closure according to any of the preceding claims, characterized in that a stop nose (26) is formed at the end of one clamping leg (1) facing away from the link (3) and a lock groove (27a) is formed at the end of the other clamping leg (2) facing away from the link.
  6. The closure according to claim 5, characterized in that the clamping leg (2) provided with the lock groove (27a) carries an extension (27) bracing at the end facing away from the link (3), which extends towards the opposite free end of the other clamping leg (1) in the closed or clamped condition of the closure.
  7. Closure according to any of the preceding claims, characterized in that in the area of the bars (23, 24) the transverse external dimension of the second clamping leg is greater than the inner effective diameter of the U-shaped first clamping leg (1).
EP88119023A 1987-11-16 1988-11-15 Closure for plastic bags and the like Expired - Lifetime EP0316868B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88119023T ATE81323T1 (en) 1987-11-16 1988-11-15 CLOSURE FOR SEALING PLASTIC BAGS AND THE LIKE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3738881 1987-11-16
DE19873738881 DE3738881A1 (en) 1987-11-16 1987-11-16 CLOSURE FOR CLOSING PLASTIC BAGS AND THE LIKE

Publications (2)

Publication Number Publication Date
EP0316868A1 EP0316868A1 (en) 1989-05-24
EP0316868B1 true EP0316868B1 (en) 1992-10-07

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EP88119023A Expired - Lifetime EP0316868B1 (en) 1987-11-16 1988-11-15 Closure for plastic bags and the like

Country Status (8)

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US (1) US4887335A (en)
EP (1) EP0316868B1 (en)
JP (1) JPH01240452A (en)
AT (1) ATE81323T1 (en)
AU (1) AU2561888A (en)
CA (1) CA1319810C (en)
DE (2) DE3738881A1 (en)
ES (1) ES2035906T3 (en)

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USD748462S1 (en) * 2014-08-11 2016-02-02 Auxocell Laboratories, Inc. Centrifuge clip
CN111453171B (en) * 2020-04-07 2022-05-20 唐太明 Banding structure, accomodate bag and storage device

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Also Published As

Publication number Publication date
EP0316868A1 (en) 1989-05-24
DE3738881A1 (en) 1989-05-24
JPH0356985B2 (en) 1991-08-29
JPH01240452A (en) 1989-09-26
DE3875223D1 (en) 1992-11-12
US4887335A (en) 1989-12-19
ES2035906T3 (en) 1993-05-01
AU2561888A (en) 1989-05-18
CA1319810C (en) 1993-07-06
ATE81323T1 (en) 1992-10-15

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