EP0385078B1 - Dispositif de fermeture avec une charnière à effet de ressort - Google Patents

Dispositif de fermeture avec une charnière à effet de ressort Download PDF

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Publication number
EP0385078B1
EP0385078B1 EP90100873A EP90100873A EP0385078B1 EP 0385078 B1 EP0385078 B1 EP 0385078B1 EP 90100873 A EP90100873 A EP 90100873A EP 90100873 A EP90100873 A EP 90100873A EP 0385078 B1 EP0385078 B1 EP 0385078B1
Authority
EP
European Patent Office
Prior art keywords
lid
hinge
closure
main axis
rotation
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
EP90100873A
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German (de)
English (en)
Other versions
EP0385078A1 (fr
Inventor
Klaus Thanisch
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.)
Zeller Plastik Deutschland GmbH
Original Assignee
Zeller Plastik 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
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Application filed by Zeller Plastik GmbH filed Critical Zeller Plastik GmbH
Publication of EP0385078A1 publication Critical patent/EP0385078A1/fr
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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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B65D47/0814—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D1/00—Pinless hinges; Substitutes for hinges
    • E05D1/02—Pinless hinges; Substitutes for hinges made of one piece
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass

Definitions

  • the invention relates to a closure with a snap hinge that connects the lower part and the lid of the closure to each other, otherwise with the features mentioned in the preamble of claim 1.
  • the present invention is said to relate to closures of particularly good appearance.
  • the outer shape of the spring element in the closed state corresponds to the outer shape of the adjacent sections of the lower part and lid, so that ideally there is a smooth, uninterrupted outer skin, in contrast e.g. to the aforementioned US Pat. No. 3,628,215 - EVERBURG / AMERICAN OPTICAL, where the spring element lies in the inside of a container in the closed state, so that there is a gutter which is easily recognizable from the outside and which acts unsightly.
  • Claim 2 for which independent protection is asserted, relates to a closure of this type, in which, however, according to feature c) of its preamble a ribbon hinge or two or more aligned film hinge ribbons serve as a film hinge.
  • the present invention is intended to design a closure of the type mentioned in the preamble of claim 1 in such a way that the film hinge falling into the main axis of rotation does not protrude outwards in the closed position.
  • a closure according to the preamble of claim 2 is to be designed by the invention so that no part of the ribbon protrudes outwards in the closed position. Nevertheless, the closure consisting of cover, lower part and hinge should be able to be produced in a single injection molding process.
  • a single film hinge lies essentially in the outer surfaces of the lower part and lid.
  • Two or more film hinges aligned with each other are also in the essentially in flat sections of the outer surfaces of the lower part and lid.
  • the edges of the ribbon or the aligned ribbons are also arranged in this way.
  • the articulated bottom of the cover lies in the area of the film hinge or half the main axis of rotation in the open position. If the lid base is flat or indented, the lid is even located as a whole above the main axis of rotation. As a result, the lower part and cover can be produced in a form which has no partition or partitions between the two, as is evident from the following description of the figures.
  • the sloping edges lie on top of one another in the closed position, this ensures that the film hinge or the film hinges are in an exactly correct position, also in the form of tapes, in the closed position.
  • the inclined edges are pressed together achieved a position of the film hinge or the film hinges on the corner between the outer surfaces of the lower part and lid. Wristbands are pulled fully inwards during the closing process so that no section protrudes outwards.
  • the inclined edges can be flat, according to claim 5, however, have matching curvatures.
  • steps can be arranged within the inclined edges, through which one part (lower part or cover) pulls the other into its correct position during the closing process.
  • the steps are arranged so that the more dimensionally stable part pulls the other in.
  • the steps can be formed by a projecting section on the inclined edge of the cover and a recessed section on the inclined edge of the lower part, so that when the cover is closed, it is pulled inwards relative to the rear wall of the lower part.
  • the film hinge according to claim 2 is designed as a ribbon, which is useful for some embodiments, it can be ensured according to claim 9 that the ribbon is pulled in its full width when folded, so that no ribbon sections protrude outwards in the closed position.
  • Figure 1 shows a closure according to the invention in the open position.
  • FIG. 2 is a section of a vertical cross section through the center of such a closure and through the centrally arranged spring element.
  • FIG. 3 shows a section of a snap hinge of another such closure.
  • FIG. 4 shows in cross section, at right angles to the main axis of rotation, in the open position, sections of the lower part and cover with inclined edges which contain matching steps.
  • Figure 5 likewise in the closed position.
  • FIG. 6 shows in cross section, in the open position, sections of the lower part and cover which are connected to one another by a film hinge in the form of a ribbon.
  • FIGS. 8 and 9 show in perspective in the closed or open position a closure according to the invention, in which the lower part and the lid have the shape of cones with elliptical cross sections except for sections in the area of the hinge.
  • Closures according to the invention are made of elastic plastic, which has the necessary strength for hinges, preferably of polypropylene.
  • the term "snap hinge” is intended to mean that the lid must be moved over a dead center when opening and closing, and that the lid snaps from the dead center position, which is located somewhere within the pivoting path, either in the open position or in the closed position and remains there.
  • the closure according to FIGS. 1 and 2 has a lower part 1 and a cover 3 which, as shown in FIG. 1, is surrounded on three sides by a border 5.
  • the bottom 4 of the lid is connected to the rear wall 2 of the lower part by a snap hinge 6.
  • the snap hinge has two outer film hinges 8, which are aligned with one another and together fall into the main axis of rotation 10. Between the two film hinges 8, the lower part and cover each have a cutout in which a spring element 14 is accommodated.
  • the spring element is connected by linear articulation points 16 and 18 to the bottom 4 of the cover and the rear wall 2 of the lower part.
  • the lower part 1 has a flat rear wall 2 with an outer surface 2a, into which the two film hinges 8 fall.
  • the bottom 4 of the lid 3 has a flat outer surface 4a, in which the two film hinges also fall.
  • the outer surfaces 2a and 4a of the rear wall and cover also receive the linear, straight articulation points 16 and 18. These articulation points are designed in the same way as film hinges, but are here called “linear articulation points" to distinguish them from the film hinges falling in the main axis of rotation.
  • the rear wall 2 of the lower part protrudes upwards on both sides of the spring element 6 via the bottom 20 of the lower part. It ends at the top in oblique edges 22 which are arranged such that their upper edge lying in the outer surface 2a coincides with the film hinge 8.
  • the sloping edge 24 of the base 4 of the cover is arranged such that its most protruding edge (on the left in FIG. 2) lies in the outer surface 4a of the cover base and coincides with the film hinge 8.
  • the film hinge or the film hinges 8 can be a kink of minimal width or a narrow band.
  • Their inner and / or outer surface can be curved, so that the convex side of the curvature in Figure 2 or 3 points to the top left.
  • the inclined surface in FIG. 3, which is formed from the two inclined edges 22 and 24, can have a groove between these inclined edges, which results in a weak point.
  • the spring element 14 can be curved (FIG. 2) or angled (FIG. 3).
  • the angle can range from about 60 ° to about 120 °. It is essential in any case that the lower part, cover and spring element are designed so that the injection mold has no partition or partitions between the lower part 1 and cover 3 and that the finished closure following the spraying process without difficulties in one direction approximately perpendicular in FIG. 2 can be demolded.
  • Figure 4 shows a special design of the two inclined surfaces. Namely, they contain matching steps in the rear wall 2 and in the bottom 4 of the lid.
  • a projecting section 26 is provided on the cover. It rises in the form of a step with obtuse-angled edges from the oblique edge 24.
  • a recessed section 28 is provided on the lower part 2, which also transitions into the oblique edge 22 at an obtuse angle and fits the protruding section 26.
  • the film hinge can also be designed as a ribbon 30. It should be ensured that the main pivot axis 10 lies at the point marked by a cross, that is, with the exception of tolerances, with one edge of the ribbon. This is achieved in that the lid, as in FIGS. 2 and 3, has a sloping edge 24a practically over its full thickness (more precisely over its thickness minus the thickness of the ribbon). In contrast, the rear wall 2 of the lower part has only a shortened inclined edge 22a, which is located on the inside of the rear wall, and an edge surface 32 running transversely to the rear wall . The right edge of the ribbon in FIG. 6 attaches to the outer surface 4a of the lid base and to the lower edge of the inclined edge 24a. When the lid is closed, the inclined edges 22a and 24a lie against one another (FIG. 7), as a result of which the ribbon 30 is pulled completely inwards. No section of the ribbon then protrudes outwards in the closed position.
  • FIGS. 8 and 9 show, the invention is also applicable to closures with curved outer walls.
  • Two projections 36 protrude from the bottom 20 of the lower part, each of which has a sloping edge 22b of the type described and are each connected to a sloping edge 24b of the cover by a film hinge 8 falling into the main axis of rotation 10.
  • These inclined edges 24b run over the entire thickness of the lid base 4b, similar to that shown in FIG. 3.
  • the bottom 4b of the lid has up to the length of the hinge, a circumferential border 38.
  • the lower edge of the border 38 lies on the bottom 20 of the lower part, while the oblique edges 22b and 24b lie one on top of the other.
  • the inclined surfaces 22 and 24 can be flat. But they can also be curved, namely have lateral surfaces parallel to the main axis of rotation. The curvatures should then preferably fit into one another in the closed position.
  • the invention is also applicable to closures in which only a single film hinge is arranged in the middle, which is flanked by two spring elements.
  • the invention is also applicable to arrangements in which more than two spring elements and / or film hinges are arranged side by side in the main axis of rotation, which e.g. may be necessary for boxes.
  • closures can also be molded in a conventional manner into molds with jaws or sliders and then demolded accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Tents Or Canopies (AREA)
  • Building Environments (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Pens And Brushes (AREA)

Claims (9)

1. Fermeture comprenant les éléments suivants :
a) Une partie inférieure (1) et un couvercle (3) muni d'un rebord périphérique (5, 38) qui sont reliés entre eux par une charnière à déclic (6),
b) La charnière à déclic et au moins les portions contiguës de la partie inférieure et du couvercle sont fabriquées en une seule pièce en matière plastique,
c) Pour la liaison directe de la partie inférieure et du couvercle, la charnière à déclic comporte dans l'axe de rotation principal (10) une membrane-charnière (8), ou deux ou plusieurs membranes-charnières (8) alignées les unes sur les autres,
d) La charnière à déclic comprend au moins un élément élastique (14) qui, dans l'état de fermeture, est situé, pour l'essentiel, à l'intérieur de la forme extérieure des portions contiguës de la partie inférieure (1) et du couvercle (3) et qui est relié au couvercle (3) et à la partie inférieure (1) par des endroits d'articulation linéaires (16, 18),
e) Les endroits d'articulation (16, 18) s'étendent parallèlement à l'axe de rotation principal (10) et à distance de celui-ci,
caractérisé par les particularités suivantes :
f) Une seule membrane-charnière (8) est située, pour l'essentiel, dans les surfaces extérieures (2a, 4a) de la partie inférieure (1) et du couvercle (3), et deux ou plusieurs membranes-charnières alignées les unes sur les autres sont situées en outre, pour l'essentiel, dans des portions planes (34) des surfaces extérieures de la partie inférieure et du couvercle,
g) Les portions de la partie inférieure et du couvercle qui se raccordent directement à une membrane-charnière (8) au moins présentent des surfaces de bord (bords obliques 22, 24, etc.) qui s'étendent obliquement par rapport à leurs surfaces extérieures, qui sont voisines l'une de l'autre dans la position de fermeture et qui sont écartées l'une de l'autre par pivotement dans la position d'ouverture,
h) Dans la position d'ouverture du couvercle, le fond (4) du couvercle se trouve dans la région de la membrane-charnière (8), au-dessus de l'axe de rotation principal du couvercle.
2. Fermeture comprenant les éléments suivants:
a) Une partie inférieure (1) et un couvercle (3) muni d'un rebord périphérique (5, 38) qui sont reliés entre eux par une charnière à déclic (6),
b) La charnière à déclic et au moins les portions contiguës de la partie inférieure et du couvercle sont fabriquées en une seule pièce en matière plastique,
c) Pour la liaison directe de la partie inférieure et du couvercle, la charnière à déclic comporte une bandelette (30) servant de membrane-charnière, ou deux ou plusieurs bandelettes servant de membranes-charnières et alignées les unes sur les autres,
d) La charnière à déclic comprend au moins un élément élastique (14) qui, dans l'état de fermeture, est situé, pour l'essentiel, à l'intérieur de la forme extérieure des portions contiguës de la partie inférieure (1) et du couvercle (3) et qui est relié au couvercle (3) et à la partie inférieure (1) par des endroits d'articulation linéaires (16, 18),
e) Les endroits d'articulation (16, 18) s'étendent parallèlement à l'axe de rotation principal (10) et à distance de celui-ci,
caractérisé par les particularités suivantes :
f) Les bords d'une seule bandelette (30) sont situés, pour l'essentiel, dans les surfaces extérieures (2a, 4a) de la partie inférieure (1) et du couvercle (3), et les bords de deux ou plusieurs bandelettes alignées les unes sur les autres sont situés, pour l'essentiel, dans des portions planes (34) des surfaces extérieures (2a, 4a) de la partie inférieure et du couvercle,
g) Les portions de la partie inférieure et du couvercle qui se raccordent directement à une bandelette (30) au moins présentent des surfaces de bord (bords obliques 22a, 24a) qui s'étendent obliquement par rapport à leurs surfaces extérieures, qui sont voisines l'une de l'autre dans la position de fermeture et qui sont écartées l'une de l'autre par pivotement dans la position d'ouverture,
h) Dans la position d'ouverture du couvercle, le fond (4) du couvercle se trouve dans la région de la membrane-charnière (8), au-dessus de l'axe de rotation principal du couvercle.
3. Fermeture selon la revendication 1 ou 2, caractérisée par le fait que les bords obliques (22, 24, etc.) reposent l'un sur l'autre dans la position de fermeture.
4. Fermeture selon la revendication 3, caractérisée par le fait que les bords obliques (22, 24, etc.) sont plans.
5. Fermeture selon la revendication 1 ou 2, caractérisée par le fait que les bords obliques présentent des courbures qui s'ajustent l'une à l'autre et dont les surfaces latérales sont parallèles à l'axe de rotation principal.
6. Fermeture selon la revendication 1 ou 3, caractérisée par les particularités suivantes
a) Les bords obliques (22, 24) de la partie inférieure et du couvercle présentent des gradins qui s'étendent parallèlement à l'axe de rotation principal et qui viennent en prise par l'arrière à la manière de crochets dans la position de fermeture,
b) Les gradins sont orientés de telle manière que, dans la position de fermeture, le gradin de la partie la moins déformable (partie inférieure ou couvercle) exerce sur la partie la plus déformable une traction dirigée en s'éloignant de l'axe de rotation principal.
7. Fermeture selon la revendication 6, caractérisée par les particularités suivantes :
a) Pour la formation d'un gradin, le bord oblique (24) du couvercle présente une portion (26) en saillie sur son côté opposé à l'axe de rotation principal (10),
b) En s'y ajustant pour la formation d'un gradin, le bord oblique (22) de la partie inférieure présente une portion en retrait (28).
8. Fermeture selon la revendication 6, caractérisée par le fait que la transition des portions (26, 28) vers les surfaces obliques a lieu sous un angle obtus.
9. Fermeture selon l'une des revendications 2 à 4, caractérisée par les particularités suivantes :
a) Le bord oblique (24a) du couvercle s'étend sur toute l'épaisseur du fond (4) du couvercle, diminuée de l'épaisseur de la bandelette (30),
b) Le bord oblique (22a) de la partie inférieure s'étend sur une partie seulement de l'épaisseur de la paroi arrière (2) sur le côté intérieur de la partie inférieure, et il se prolonge par une surface de bord (32) qui s'étend à peu près à angle droit par rapport à la paroi arrière,
c) De telle sorte que, lors de l'opération d'ouverture, la bandelette est tirée vers l'intérieur par l'intermédiaire de la surface de bord (32).
EP90100873A 1989-03-02 1990-01-17 Dispositif de fermeture avec une charnière à effet de ressort Expired - Lifetime EP0385078B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3906570 1989-03-02
DE3906570A DE3906570A1 (de) 1989-03-02 1989-03-02 Verschluss mit schnappscharnier

Publications (2)

Publication Number Publication Date
EP0385078A1 EP0385078A1 (fr) 1990-09-05
EP0385078B1 true EP0385078B1 (fr) 1992-03-04

Family

ID=6375295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90100873A Expired - Lifetime EP0385078B1 (fr) 1989-03-02 1990-01-17 Dispositif de fermeture avec une charnière à effet de ressort

Country Status (17)

Country Link
US (1) US5368176A (fr)
EP (1) EP0385078B1 (fr)
JP (1) JPH04501997A (fr)
KR (1) KR920701008A (fr)
AT (1) ATE73090T1 (fr)
AU (1) AU5180490A (fr)
CA (1) CA2047672A1 (fr)
DD (1) DD299286A5 (fr)
DE (2) DE3906570A1 (fr)
DK (1) DK0385078T3 (fr)
ES (1) ES2030598T3 (fr)
GR (1) GR3003985T3 (fr)
IL (1) IL93555A0 (fr)
NZ (1) NZ232674A (fr)
PT (1) PT93305A (fr)
WO (1) WO1990009931A1 (fr)
ZA (1) ZA901541B (fr)

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DE19734347C2 (de) * 1997-08-08 2000-12-14 Johnson Contr Interiors Gmbh Sonnenblende für Fahrzeuge
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FR2827261B1 (fr) * 2001-07-13 2003-09-26 Tetra Laval Holdings & Finance Dispositif de bouchage et recipient equipe d'un tel dispositif
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JP2013184726A (ja) * 2012-03-08 2013-09-19 Kureha Corp トグル構造を備えるキャップ
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US4773550A (en) * 1987-11-13 1988-09-27 Leonard Ekkert Safety closure for containers
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Also Published As

Publication number Publication date
PT93305A (pt) 1990-11-07
DK0385078T3 (da) 1992-06-22
DE59000052D1 (de) 1992-04-09
AU5180490A (en) 1990-09-26
DD299286A5 (de) 1992-04-09
WO1990009931A1 (fr) 1990-09-07
GR3003985T3 (fr) 1993-03-16
ES2030598T3 (es) 1992-11-01
NZ232674A (en) 1991-09-25
US5368176A (en) 1994-11-29
ZA901541B (en) 1991-01-30
JPH04501997A (ja) 1992-04-09
IL93555A0 (en) 1990-11-29
ATE73090T1 (de) 1992-03-15
EP0385078A1 (fr) 1990-09-05
DE3906570A1 (de) 1990-09-13
KR920701008A (ko) 1992-08-10
CA2047672A1 (fr) 1990-09-03

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