EP0316868B1 - Fermeture pour sacs en plastique ou similaire - Google Patents

Fermeture pour sacs en plastique ou similaire 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)
English (en)
Other versions
EP0316868A1 (fr
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
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88119023T priority Critical patent/ATE81323T1/de
Publication of EP0316868A1 publication Critical patent/EP0316868A1/fr
Application granted granted Critical
Publication of EP0316868B1 publication Critical patent/EP0316868B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Clamps And Clips (AREA)
  • Closing Of Containers (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (7)

  1. Fermeture servant à fermer des sacs en matière plastique ou analogues, constituée par deux branches de serrage (1,2) raccordées entre elles par l'intermédiaire d'une articulation, par un dispositif de retenue (26,27) qui maintient les branches de serrage réciproquement en prise, et
    dans laquelle une branche de serrage (1) est pourvue d'un évidement (16) qui s'étend le long de l'axe de la branche de serrage, et l'autre branche de serrage (2) est pourvue d'une nervure (20) qui s'étend le long de son axe et peut être introduite dans l'évidement (16) par déplacement des deux branches de serrage l'une sur l'autre, et
    dans laquelle une partie du dispositif de retenue (26) est formée sur une branche de serrage et l'autre partie (27) est formée sur l'autre branche de serrage,
    caractérisée par le fait
    que la première branche de serrage (1), qui comporte l'évidement (16), possède une section transversale sensiblement en forme de U,
    que les parois latérales de la première branche de serrage (1), qui possède une section transversale en forme de U, sont prolongées par des lèvres (9,10) dans le plan des parois respectives (5,6),
    que l'épaisseur des lèvres (9,10) est inférieure à l'épaisseur des parois (5,6),
    que la seconde branche de serrage (2) comportant les nervures (20) possède un profil sensiblement en forme de V, et que la dimension intérieure de l'évidement de la première branche de serrage (1) en forme de U est inférieure à la dimension extérieure de la seconde branche de serrage (2).
  2. Fermeture selon la revendication 1, caractérisée en ce que les lèvres (9,10) se terminent de niveau avec la surface, tournée vers l'intérieur, des parois latérales (5,6).
  3. Fermeture selon la revendication 1 ou 2, caractérisée en ce que des barrettes de renforcement (23,24), qui s'étendent parallèlement à la direction longitudinale des branches, sont formées sur les extrémités libres du profil en forme de V de la seconde branche de serrage (2).
  4. Fermeture selon l'une des revendications précédentes, caractérisée en ce que les parois latérales (5,6) de la première branche de fermeture (1) sont inclinées par rapport à l'axe de la première branche de serrage (1).
  5. Fermeture selon l'une des revendications précédentes, caractérisée en ce qu'un bec d'encliquetage (26) est formé sur l'extrémité, tournée à l'opposé de l'articulation (3), de la première branche de serrage (1) et qu'une rainure d'encliquetage (27a) est formée sur l'extrémité, tournée à l'opposé de l'articulation, de l'autre branche de serrage (2).
  6. Fermeture selon la revendication 5, caractérisée en ce que la branche de serrage (2) équipée de la rainure d'encliquetage (27a) porte un prolongement (27), qui s étend à partir de l'extrémité située à l'opposé de l'articulation (3) et qui, lorsque la fermeture est à l'état fermé ou serré, s'étend au-dessus de l'extrémité libre opposée de l'autre branche de serrage (1).
  7. Fermeture selon l'une des revendications précédentes, caractérisée en ce qu au niveau des barrettes (23,24), la dimension transversale extérieure de la seconde branche de serrage est supérieure à la dimension intérieure de la cavité de la première branche de serrage (1) en forme de U.
EP88119023A 1987-11-16 1988-11-15 Fermeture pour sacs en plastique ou similaire Expired - Lifetime EP0316868B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88119023T ATE81323T1 (de) 1987-11-16 1988-11-15 Verschluss zum verschliessen von kunststoffbeuteln und dergleichen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873738881 DE3738881A1 (de) 1987-11-16 1987-11-16 Verschluss zum verschliessen von kunststoffbeuteln und dergleichen
DE3738881 1987-11-16

Publications (2)

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

Family

ID=6340598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88119023A Expired - Lifetime EP0316868B1 (fr) 1987-11-16 1988-11-15 Fermeture pour sacs en plastique ou similaire

Country Status (8)

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

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CA2912942A1 (fr) * 2012-05-21 2013-11-28 Gregory Roy RUDDELL Dispositif de fermeture de sacs ayant une lame a va-et-vient
US10807772B2 (en) * 2012-05-21 2020-10-20 Gregory Roy Ruddell Reusable bag clamp with reciprocating blade
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US9205616B2 (en) 2013-10-11 2015-12-08 The Boeing Company Bends in composite panels
JP5468174B1 (ja) * 2013-11-14 2014-04-09 瑟芬 洪 袋止め用クリップ
USD782306S1 (en) * 2014-02-21 2017-03-28 Chialin Chang Sealing bar
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USD748462S1 (en) * 2014-08-11 2016-02-02 Auxocell Laboratories, Inc. Centrifuge clip
CN111453171B (zh) * 2020-04-07 2022-05-20 唐太明 封边结构、收纳袋及收纳设备

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Also Published As

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

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