DK173774B1 - Closure device on a container with plastic lid and lid for such a device - Google Patents

Closure device on a container with plastic lid and lid for such a device Download PDF

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DK173774B1
DK173774B1 DK200001474A DKPA200001474A DK173774B1 DK 173774 B1 DK173774 B1 DK 173774B1 DK 200001474 A DK200001474 A DK 200001474A DK PA200001474 A DKPA200001474 A DK PA200001474A DK 173774 B1 DK173774 B1 DK 173774B1
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DK
Denmark
Prior art keywords
wall
container
lid
closure device
side wall
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DK200001474A
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Danish (da)
Inventor
Erik Bock
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Bocan As
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Priority to DK200001474A priority Critical patent/DK173774B1/en
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Publication of DK200001474A publication Critical patent/DK200001474A/en
Publication of DK173774B1 publication Critical patent/DK173774B1/en

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Abstract

The container 1 has an opening, which is enclosed by a peripheral side wall 6, which is surrounded by a likewise peripheral outer wall 3a, which is joined to the side wall 6 a short distance below its upper edge and has a gripping edge 9 facing towards the side wall, and the lid 2 has a central part 12 and a rim section 13 surrounding this, comprising an outer wall 15, which once the lid has been placed on the container extends on the outside of the side wall 6, and a flat annular tab 16, which is joined to the lower edge of the outer wall 15 and extends obliquely upwards and outwards. The annular tab 16 is essentially rigid in its axial and radial cross-sectional- longitudinal direction, but pivotable in that it is joined to the outer wall 15 by a hinge section 17. <IMAGE>

Description

DK 173774 B1 iDK 173774 B1 i

Opfindelsen angår en lukkeindretning i en beholder med låg af plast, hvor beholderen har en åbning, der omsluttes af en rundtgående sidevæg, som omgives af en ligeledes rundtgående ydervæg, der er forbundet med 5 sidevæggen et stykke under dennes overkant og har en mod sidevæggen vendende gribekant, og hvor låget har en central del og et omgivende randparti omfattende en ydervæg, som efter lågets påsætning på beholderen strækker sig på sidevæggens yderside, og en flad 10 ringflig, som er forbundet med ydervæggens nedre kant og trækker sig skråt opad og udad. Opfindelsen er navnlig beregnet for beholdere med en åbningsdiameter på mindst 200 mm. Ved åbningen er sidevæggen fortrinsvis i det væsentlige cylindrisk, og lågets 15 ydervæg strækker sig fortrinsvis i det væsentlige parallelt med sidevæggen, når låget er påsat.BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to a closure device in a container with a plastic lid, the container having an opening enclosed by a circumferential sidewall which is surrounded by a similarly circumferential outer wall which is connected to the sidewall a distance below its upper edge and having a side wall facing it. gripping edge, and wherein the lid has a central portion and a surrounding rim portion comprising an outer wall which, after the lid is applied to the container, extends on the outside of the sidewall, and a flat ring ring 10 which is connected to the lower edge of the outer wall and extends upwardly and outwardly. In particular, the invention is intended for containers having an aperture diameter of at least 200 mm. At the opening, the sidewall is preferably substantially cylindrical, and the outer wall of the lid 15 preferably extends substantially parallel to the sidewall when the lid is mounted.

En sådan lukkeindretning kendes fra DK-B-127 872, hvor lågets ringflig er stift forbundet med ydervæggen, og beholderens ydervæg er stiv og konisk, idet den 20 strækker sig skråt ud fra sidevæggen.Such a closing device is known from DK-B-127 872, in which the ring tab of the lid is rigidly connected to the outer wall and the outer wall of the container is rigid and tapered, as it extends obliquely from the side wall.

DK-B-149 152 beskriver med henvisning til sin fig.DK-B-149 152, with reference to its FIG.

2 en lukkeindretning til en beholder af bægertypen, dvs. af begrænset størrelse, hvor beholderens ydervæg er svingbar, idet den er forbundet til sidevæggen 25 gennem et hængselparti. Låget har en ydervæg, der ved sin nedre kant er forbundet med en ringdel med en forholdsvis stor godstykkelse i radialretning således, at der er tale om en ringdel, som er vanskelig at sammentrykke, eller for den sags skyld udvide, radialt.2 shows a closure device for a cup-type container, i. of limited size, where the outer wall of the container is pivotable, being connected to the side wall 25 through a hinge portion. The lid has an outer wall, which at its lower edge is connected to a ring part with a relatively large radial thickness, such that it is a ring part which is difficult to compress or, for that matter, radially.

30 Med disse kendte lukkeindretninger tilsigtes blandt andet, at låget ikke kan springe af som følge af at væske i beholderen slår mod låget, eksempelvis hvis beholderen ved et uheld falder på gulvet. Det er DK 173774 B1 2 imidlertid opfinderens erfaring at ingen kendte beholdere af den omhandlede art giver tilstrækkelig sikkerhed mod at låget springer af.With these known closure devices, it is intended, inter alia, that the lid cannot break off due to liquid in the container hitting the lid, for example if the container accidentally falls on the floor. However, it is the experience of the inventor that no known containers of the kind in question provide sufficient security against the lid breaking off.

5 Formålet med den foreliggende opfindelse er derfor at øge denne sikkerhed.The object of the present invention is therefore to increase this security.

Dette opnås ifølge opfindelsen ved en lukkeindretning af den indledningsvis omtalte art, som er særegen ved, at ringfligen er i det væsentlige stiv 10 i sin aksiale og radiale tværsnits-længderetning, og svingbart forbundet med ydervæggen gennem et hængselparti. Herved opnås at ringfligen, i tilfælde af at låget løfter sig, eksempelvis som følge af at væske i beholderen slår imod det, vil svinge om sit 15 hængselparti og stå som trykstang (set i radialt snit) mellem sidevæggen og beholderydervæggens gribekant uden at et moment i nævneværdig grad kan overføres fra lågets ydervæg til ringfligen, hvilket ved kendte lukke indretninger kan medføre at ringfligen eller et 20 tilsvarende element mister sit greb i gribekanten.This is achieved according to the invention by a closure device of the type mentioned in the introduction, which is peculiar in that the ring tab is substantially rigid 10 in its axial and radial cross-sectional longitudinal direction, and pivotally connected to the outer wall through a hinge portion. Hereby, the ring tab, in case the lid lifts, is obtained, for example as a result of liquid in the container hitting it, will swing about its hinge portion and stand as a push rod (seen in radial section) between the side wall and the gripping edge of the container outer wall without a moment to a considerable extent can be transferred from the outer wall of the lid to the ring tab, which by known closing devices can cause the ring tab or a similar element to lose its grip on the gripping edge.

Fortrinsvis er beholderens ydervæg i det væsentlige stiv og forbundet med beholderen gennem et svækkelsesparti. Stivheden er med til at sikre at ringfligen ikke mister sit greb i gribekanten fordi 25 ydervæggen deformeres, medens svækkelsespartiet muliggør afrivning af ydervæggen, når beholderen skal åbnes. Beholderens ydervæg strækker sig derved fortrinsvis i det væsentlige cylindrisk og er forbundet med sidevæggen gennem et mellemstykke.Preferably, the outer wall of the container is substantially rigid and connected to the container through a weakening portion. The stiffness helps to ensure that the ring tab does not lose its grip on the gripping edge because the outer wall is deformed, while the weakening portion allows tearing of the outer wall when the container is to be opened. The outer wall of the container thereby preferably extends substantially cylindrical and is connected to the side wall through a spacer.

30 På ydersiden af beholderens sidevæg kan findes en gribevulst og en tilsvarende gribevulst kan findes på indersiden af lågets ydervæg. Derved er gribevulsten på sidevæggen fortrinsvis placeret i det væsentlige i niveau med gribekanten på beholderens ydervæg. For at 3 DK 173774 B1 sikre et anlæg for den nederste del af lågets ydervæg findes der i denne udførelsesform fortrinsvis aksiale ribber, der strækker sig på ydersiden af beholderens 5 sidevæg under gribevulsten. Disse aksiale ribber har fortrinsvis i det væsentlige samme radiale udstrækning som gribevulsten.30 On the outside of the side wall of the container can be found a gripping bead and a corresponding gripping bead can be found on the inside of the outer wall of the lid. Thereby, the gripping bead on the side wall is preferably located substantially in level with the gripping edge of the outer wall of the container. In order to secure an abutment for the lower part of the outer wall of the lid, in this embodiment there are preferably axial ribs extending on the outside of the side wall of the container 5 under the gripping bead. These axial ribs preferably have substantially the same radial extent as the gripping bead.

I en foretrukket udførelsesform har låget en indervæg der efter lågets påsætning på beholderen 10 strækker sig langs sidevæggens inderside. Derved afgrænser lågets indervæg og ydervæg mellem sig et spor, der fortrinsvis spidser til mod sin bund. Derved opnås tæthed af beholderen når sidevæggen ved lågets påsætning presses i klemmende indgreb i sporet. For 15 yderligere tætning kan der ved sporets bund være nedlagt en pakning.In a preferred embodiment, the lid has an inner wall which, after the lid is applied to the container 10, extends along the inside of the side wall. Thereby, the inner wall and the outer wall of the lid delimit a groove which preferably points towards its bottom. Thereby, the density of the container is obtained when the side wall is pressed into the groove by clamping engagement in the groove. For 15 additional seals, a gasket may be dropped at the bottom of the groove.

Opfindelsen angår endvidere et låg til en lukkeindretning ifølge opfindelsen, hvilket låg er særegent ved, at det har en central del, med et 20 omgivende randparti, der omfatter en ydervæg og en flad ringflig, som er forbundet med ydervæggens nedre kant og strækker sig skråt opad og udad, hvilken ringflig er i det væsentlige stiv i sin aksiale og radiale tværsnits-længderetning, og svingbart forbundet med 25 ydervæggen gennem et hængeparti.The invention further relates to a lid for a closure device according to the invention, which is characterized in that it has a central part, with a surrounding peripheral portion comprising an outer wall and a flat ring tab, which is connected to the lower edge of the outer wall and extends obliquely. upwardly and outwardly, which annular tab is substantially rigid in its axial and radial cross-sectional longitudinal directions, and pivotally connected to the outer wall through a suspension portion.

Opfindelsen vil i det følgende blive forklaret nærmere ved hjælp af et eksempel på en udførelsesform under henvisning til den skematiske tegning, på hvilken fig. 1 viser et perspektivbillede af en beholder med 30 låg og fig. 2 et snit langs linien II-II i fig. 1.The invention will now be explained in more detail by way of an example of an embodiment with reference to the schematic drawing, in which fig. 1 is a perspective view of a container with 30 lids; and FIG. 2 is a section along line II-II of FIG. First

Figurerne viser en beholder eller spand 1 af plast med et låg 2, der ligeledes er af plast. Spanden 1 har ved sin åbning en forstærket rand med en ydervæg 3, der DK 173774 B1 4 ved et ringformet mellemstykke 4 og radiale ribber 5 er forbundet med beholderens sidevæg 6.The figures show a container or bucket 1 of plastic with a lid 2 which is also of plastic. At its opening, the bucket 1 has a reinforced rim with an outer wall 3, which is connected by an annular intermediate piece 4 and radial ribs 5 to the side wall 6 of the container.

Den i forbindelse med den foreliggende opfindelse 5 interessante del af spanden er den del der befinder sig over mellemstykket 4.The part of the bucket which is of interest to the present invention 5 is the part which is above the intermediate piece 4.

Den øvre del 3a af ydervæggen 3 er forbundet med den nedre del og/eller mellemstykket 4 gennem et svækkelsesparti 7 eller indsnævret parti, som muliggør 10 afrivning af den øvre del 3a. Der findes desuden en række tilsvarende aksiale svækkelsespartier 8 i den øvre del 3a for at muliggøre brud på denne del med henblik på åbning af beholderen.The upper portion 3a of the outer wall 3 is connected to the lower portion and / or the intermediate portion 4 through a weakening portion 7 or constricted portion which permits tearing of the upper portion 3a. In addition, there are a number of corresponding axial weakening portions 8 in the upper portion 3a to allow fracture of this portion to open the container.

På indersiden af ydervæggen 3 findes der en 15 gribekant 9 og på ydersiden af den øvre del af side væggen 6 findes en gribevulst 10 i omtrent i niveau med gribekanten 9. Under gribevulsten 10 findes en rundtgående række ribber 11 med nogenlunde samme radiale udstrækning som gribevulsten 10.On the inside of the outer wall 3 there is a gripping edge 9 and on the outside of the upper part of the side wall 6 there is a gripping bead 10 approximately at the level of the gripping edge 9. Below the gripping bead 10 there is a circumferential row of ribs 11 having approximately the same radial extent as the gripping bead 10th

20 Låget 2 har en central del 12 og en rand 13 med en indervæg 14, en ydervæg 15 og en ringflig 16, der er forbundet med den nedre ende af ydervæggen 15 gennem et hængselparti 17. Indervæggen 14 og ydervæggen 15 danner mellem sig et spor, som konvergerer mod sin bund, ved 25 hvilken der er indlagt en pakning 18. På indersiden af ydervæggen 15 findes der en gribevulst 19.The lid 2 has a central portion 12 and a rim 13 with an inner wall 14, an outer wall 15 and a ring tab 16 which are connected to the lower end of the outer wall 15 through a hinge portion 17. The inner wall 14 and the outer wall 15 form a groove between them. , which converges toward its bottom, at which is provided a gasket 18. On the inside of the outer wall 15 there is a gripping bead 19.

Når låget 2 er anbragt på spanden 1 vil overkanten af spanden l's sidevæg 6 blive klemt i den konvergente del af sporet mellem låget 2’s indervæg 14 og ydervæg 30 15 hvorved spanden tætnes. Yderligere tætning tilvejebringes af pakningen 18. Gribevulsten 19 griber under gribevulsten 10 hvorved tilvejebringes en første fastholdelse af låget 2 på spanden 1.When the lid 2 is placed on the bucket 1, the top edge of the sidewall 6 of the bucket 1 will be squeezed in the convergent part of the groove between the lid 2's inner wall 14 and outer wall 30, thereby sealing the bucket. Further sealing is provided by the gasket 18. The gripping bead 19 engages the gripping bead 10, thereby providing a first retention of the lid 2 on the bucket 1.

5 DK 173774 B15 DK 173774 B1

Ringfligen 16 griber under gribekanten 9 og tilvejebringer en anden fastholdelse af låget 2. Denne anden fastholdelse brydes første gang spanden åbnes ved 5 at den øvre del 3a af ydervæggen 3 afrives af en forbruger, der skal have adgang til spandens indhold.Ring tab 16 engages beneath the gripping edge 9 and provides another retention of the lid 2. This second retention is first broken when the bucket is opened by tearing the upper part 3a of the outer wall 3 by a consumer who must have access to the contents of the bucket.

Indtil den øvre del 3a er revet af vil indgrebet mellem ringfligen 16 og gribekanten 9 give en stor sikkerhed mod at låget bliver slået af i tilfælde af at spanden 10 eksempelvis falder på gulvet og slaget forplantes til låget i form af en kraft der søger at løfte det af.Until the upper part 3a is torn off, the engagement between the ring tab 16 and the gripping edge 9 provides great security against the lid being knocked off in case the bucket 10, for example, falls on the floor and the stroke is propagated to the lid in the form of a force which seeks to lift. it off.

Hvis låget forsøger at løfte sig vil lågets ydervæg 15 bevæges lidt op i forhold til spandens rand, men idet ringfligen 16 er i indgreb under gribekanten 9 og 15 er hængsel forbundet til ydervæggen 15, vil den, set i tværsnittet i fig. 2, dreje om sit indgrebspunkt med gribekanten 9 og svinges en anelse ind mod ribberne 11 til stop for derefter at stå som en trykstang og forhindre lågets rand 13's videre bevægelse opad.If the lid attempts to lift, the outer wall 15 of the lid will move slightly relative to the rim of the bucket, but as the ring tab 16 engages under the gripping edge 9 and 15, the hinge is connected to the outer wall 15, as seen in the cross-section of FIG. 2, rotate its point of engagement with the gripping edge 9 and pivot slightly toward the ribs 11 to a stop, then stand as a push rod and prevent the further movement of the lid rim 13 upwards.

20 Ribberne 11 kan bidrage med en stødabsorberende virkning, idet de kan fjedre eller kollapse ved stort tryk. Det er dog også muligt at udforme spanden uden ribberne 11.The ribs 11 can provide a shock absorbing effect as they can spring or collapse at high pressure. However, it is also possible to design the bucket without the ribs 11.

Den øvre del 3a af ydervæggen 3 er tilstrækkelig 25 stiv til at den ikke lader sig bøje ud og den må fjernes ved afrivning for at ‘frigive ringfligen 16.The upper portion 3a of the outer wall 3 is sufficiently stiff enough not to bend and must be removed upon tearing to release ring tab 16.

Derved tilvejebringes både en sikkerhedlukning, som hindrer at låget kommer af ved et uheld, og en anbrudsafslørende lukning som viser om låget har været 30 taget af, idet ydervæggens øvre del 3a fungerer som garantistrimmel.Thereby, both a security closure is provided which prevents the lid from being accidentally removed, and a break-down closure which shows whether the lid has been removed, the upper part 3a of the outer wall acting as a warranty strip.

Claims (10)

1. Lukkeindretning i en beholder (1) med låg (2)af 5 plast, hvor beholderen (1) har en åbning, der omsluttes af en rundtgående sidevæg (6), som omgives af en ligeledes rundtgående ydervæg (3a), der er forbundet med sidevæggen (6) et stykke under dennes overkant og har en mod sidevæggen vendende gribekant (9), og hvor 10 låget (2) har en central del (12) og et omgivende randparti (13) omfattende en ydervæg (15), som efter lågets påsætning på beholderen strækker sig på sidevæggens (6) yderside, og en flad ring flig (16), som er forbundet med ydervæggens (15) nedre kant og 15 strækker sig skråt opad og udad, kendetegnet ved, at ringfligen (16) er i det væsentlige stiv i sin aksiale og radiale tværsnits-længderetning, og svingbart forbundet med ydervæggen (15) gennem et hængselparti (17).A closure device in a container (1) with a lid (2) of plastic, the container (1) having an opening enclosed by a circumferential side wall (6) which is surrounded by a similarly circumferential outer wall (3a) which is connected to the sidewall (6) slightly below its upper edge and having a gripping edge (9) facing the sidewall, and wherein the lid (2) has a central portion (12) and a surrounding rim portion (13) comprising an outer wall (15), which, after the lid is applied to the container, extends on the outside of the side wall (6) and a flat ring tab (16) which is connected to the lower edge of the outer wall (15) and extends upwards and outwards, characterized in that the ring tab (16) ) is substantially rigid in its axial and radial cross-sectional longitudinal directions, and pivotally connected to the outer wall (15) through a hinge portion (17). 2. Lukkeindretning ifølge krav 1, kendeteg net ved, at beholderens ydervæg (3a) er i det væsentlige stiv og forbundet med beholderen gennem et svækkelsesparti (7).A closure device according to claim 1, characterized in that the outer wall (3a) of the container is substantially rigid and is connected to the container through a weakening portion (7). 3. Lukkeindretning ifølge krav 2, kendete g-25 net ved, at beholderens ydervæg (3a) strækker sig i det væsentlige cylindrisk og er forbundet med sidevæggen (6) gennem et mellemstykke (4).Closure device according to claim 2, characterized in that the outer wall (3a) of the container extends substantially cylindrical and is connected to the side wall (6) through an intermediate piece (4). 4. Lukkeindretning ifølge krav 1-3, hvor der på ydersiden af beholderens sidevæg (6) findes en 30 gribevulst (10) og en tilsvarende gribevulst (19) findes på indersiden af lågets ydervæg (15), kende tegnet ved, at gribevulsten (10) på sidevæggen (6) er placeret i det væsentlige i niveau med gribekanten (9) på beholderens ydervæg (3a). DK 173774 B1A closure device according to claims 1-3, wherein on the outside of the side wall (6) of the container there is a gripping bead (10) and a corresponding gripping bead (19) is found on the inside of the outer wall (15), characterized in that the gripping bead ( 10) on the side wall (6) is positioned substantially at the level of the gripping edge (9) on the outer wall (3a) of the container. DK 173774 B1 5. Lukkeindretning ifølge krav 4, kendetegnet ved, at den har aksiale ribber (11), der strækker sig på ydersiden af beholderens sidevæg (6) 5 under gribevulsten (10).Closure device according to claim 4, characterized in that it has axial ribs (11) extending on the outside of the container side wall (6) 5 below the gripping bead (10). 6. Lukkeindretning ifølge krav 5, kendetegnet ved, at de aksiale ribber (11) har i det væsentlige samme radiale udstrækning som gribevulsten (10) .Closure device according to claim 5, characterized in that the axial ribs (11) have substantially the same radial extension as the gripping bead (10). 7. Lukkeindretning ifølge krav 1-6, kendete gnet ved, at låget (2) har en indervæg (14) der efter lågets (2) påsætning på beholderen (1) strækker sig langs sidevæggens (6) inderside.A closure device according to claims 1-6, characterized in that the lid (2) has an inner wall (14) which extends, after the lid (2), to the container (1) along the inside of the side wall (6). 8. Lukkeindretning ifølge krav 7, kendete g- 15 net ved, at lågets indervæg (14) og ydervæg (15) mellem sig afgrænser et spor der spidser til mod sin bund.8. A closure device according to claim 7, characterized in that the inner wall (14) and outer wall (15) of the lid delimit a groove pointing towards its bottom. 9. Lukkeindretning ifølge krav 8, kendetegnet ved, at der ved sporets bund er nedlagt en 20 pakning (18) .Closure device according to claim 8, characterized in that a seal (20) is provided at the bottom of the groove. 10. Låg til en lukkeindretning ifølge krav 1, k e n detegnet ved, at det omfatter en central del (12), med et omgivende randparti (13), der omfatter en ydervæg (15) og en flad ringflig (16), som er forbundet 25 med ydervæggens (15) nedre kant og strækker sig skråt opad og udad, hvilken ringflig (16) er i det væsentlige stiv i sin aksiale og radiale tværsnits-længderetning og svingbart forbundet med ydervæggen (15) gennem et hængselparti (17). 30A lid for a closure device according to claim 1, characterized in that it comprises a central portion (12), with a surrounding rim portion (13) comprising an outer wall (15) and a flat ring tab (16) connected 25 with the lower edge of the outer wall (15) extending obliquely upwardly and outwardly, said annular tab (16) being substantially rigid in its axial and radial cross-sectional longitudinal direction and pivotally connected to the outer wall (15) through a hinge portion (17). 30
DK200001474A 2000-10-04 2000-10-04 Closure device on a container with plastic lid and lid for such a device DK173774B1 (en)

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DK200001474A DK173774B1 (en) 2000-10-04 2000-10-04 Closure device on a container with plastic lid and lid for such a device

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DK200001474 2000-10-04
DK200001474A DK173774B1 (en) 2000-10-04 2000-10-04 Closure device on a container with plastic lid and lid for such a device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019201967A1 (en) 2018-04-16 2019-10-24 Rpc Superfos A/S Injection moulded packaging with a container having a folded upper rim

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019201967A1 (en) 2018-04-16 2019-10-24 Rpc Superfos A/S Injection moulded packaging with a container having a folded upper rim

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