EP0959016A1 - Drehverschluss für eine Behältermündung - Google Patents
Drehverschluss für eine Behältermündung Download PDFInfo
- Publication number
- EP0959016A1 EP0959016A1 EP99109814A EP99109814A EP0959016A1 EP 0959016 A1 EP0959016 A1 EP 0959016A1 EP 99109814 A EP99109814 A EP 99109814A EP 99109814 A EP99109814 A EP 99109814A EP 0959016 A1 EP0959016 A1 EP 0959016A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screw cap
- elastic element
- additional elastic
- container mouth
- twist lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/14—Rigid discs or spherical members adapted to be held in sealing engagement with mouth of container, e.g. closure plates for preserving jars
- B65D51/145—Rigid discs or spherical members adapted to be held in sealing engagement with mouth of container, e.g. closure plates for preserving jars by means of an additional element connected directly to the container
Definitions
- the invention relates to a rotary closure for a container mouth with a Screw cap that has at least one opening and with an between the screw cap and the container mouth arranged sealing element, that when the screw cap is closed between the screw cap and the Container mouth is tightly clamped.
- Twist locks with screw caps are known in many forms. Often they serve to close a container mouth of a container with a liquid that is not in contact with for any period of time may have the outside space because it is, for example, chemicals or Foods that react with contact with oxygen. Furthermore must be ensured in the event of containers accidentally or intentionally tipping over be that these do not easily leak or liquid through the closure can penetrate to the outside.
- the twist locks have an additional sealing element.
- This sealing element can either be a flat sealing washer be or a cup seal. In both cases, the radially outer area of the sealing element mostly designed so that it is flat on the outer edge of the (round) container mouth rests and with the screwed on Screw cap is firmly clamped.
- the container is closed with the twist lock the manufacturer or bottler of the liquid, and that by machine.
- the twist lock with a high force of 15 Nm, for example. This makes it an absolute secure clamping and sealing of the screw cap guaranteed.
- the additional elastic element surprisingly solves the problem.
- the manufacturer clamps it together with the sealing element between the screw cap and the container mouth.
- the high contact pressure of 15 Nm can be easily achieved and is in no way adversely affected by the elastic additional element. Of the Normal "opening process would still be difficult, since there is no change compared to the previous version without the elastic element.
- the frictional force in the tangential direction which would have to be applied to turn the screw cap normally and normally, is due to the additional elastic element
- the frictional resistance is much lower, because it is not the frictional resistance that has to be overcome on the entire circumference of the container mouth, but only over the few millimeters of clamping area in the radial direction in which the screw cap rests on the container mouth the order of magnitude of the thickness of the container wall or perhaps twice or even three times it, in any case approximately one to two orders of magnitude less than the circumference of the container mouth.
- the grip area sections of the additional elastic element have radially outwardly directed tongues.
- the grip area sections of the additional elastic element have a pull tab. This is especially true when the pull tab is in the unopened closed state of the twist lock Before opening for the first time using tear-off bars with the clamping area sections connected is. This ensures that on the one hand particularly easy handling for the user arises; Furthermore also an originality assurance. If the still closed original, Containers coming directly from the manufacturer are opened this way for the first time is, the additional elastic element is destroyed at the same time, because the Tear bars are torn so that the pull tab by the user can be gripped and used correctly. So it is not possible at first make an opening by means of the pull tab and then by manipulation the additional elastic element back to its original Bring the place and give the impression that the container is not yet open been. This is becoming increasingly interesting to the user's safety to give that he has a previously unopened container in front of him. The torn tear-off bars will immediately catch his eye and his suitable one Awaken suspicion.
- the screw cap one has circumferential slot as an opening in the head plate and that central, inner area of the head plate within the circumferential slot with the outer area of the screw cap is connected via webs and in is offset axially towards the container mouth.
- FIG. 1 shows a top view of the invention. In contrast to the usual practice, one element is shown in solid lines and a second element in dashed lines. Figure 2 shows the element in section.
- a screw cap 10 is equipped with an internal thread 11, which is shown in FIG 2 is clearly visible in the top third of the exploded view.
- the screw cap 10 is closed at the top by the head plate 14.
- the top plate 14 has Screw cap 10 has a central, symmetrical central opening 15.
- the screw cap 10 can be seen from above, in the middle Opening 15.
- the ribs 12 outside allow a manual attack and facilitate turning around the fictitious, central axis of rotation.
- a sealing element 30 is shown in the lower third in FIG. 2, here one Cup seal with a cup 3.
- the sealing element 30 is on a Container mouth (not shown) placed on closing, the Support surface 32 is placed on the top of the container mouth.
- an additional elastic element 20 is now provided, which can be seen in the middle third of the exploded view in FIG. 2.
- This additional element 20 is placed on the sealing element 30 so that its outer clamping area sections 21 on the area of the sealing element 30 come to rest, the underside of which forms the support surface 32.
- the additional elastic is first Element 20 and then the sealing element 30 in the screw cap 10 inserted and then screwed this entire construction onto the container mouth become.
- the additional elastic element 20 in its clamping portion 21 tongues 22, either a larger number of about 10 to 20 tongues or in another embodiment also only 3, 4 or 5 tongues of then larger angular dimensions.
- These tongues 22 of the clamping area portions 21 of the additional elastic Elements 20 are closed after the twist lock the head plate 14 of the screw cap 10 and are covered for the user not visible.
- a grip area section 23 can be seen by the user a pull tab 24, namely under the opening 15 in the top plate 14 of the Screw cap 10 is arranged ready to hand.
- tear-off webs 25 are so thin that the user can lift them the pull tab 24 immediately tears through the tear-off webs 25 so that they only still holds on a retaining web 26.
- the area opposite of the holding web 26 is the part of the clamping region section 21 located there with its tongues 22 from the clamping between the sealing element 30 and the screw cap 10 pulled out. This is done proportionately short distance with relatively low friction.
- the pull tabs are also moved in succession further peripheral areas of the clamping area sections 21 from the clamping pulled radially inward towards the axis of rotation of the twist lock.
- FIG. 3 schematically shows in section one side of a container mouth with a screw cap 10 attached, which clearly shows what effects occur when the additional elastic element 20 is pulled out.
- the area of a container mouth can be seen on one side.
- the top goes into a mouth neck 41 near the container mouth over, provided with an external thread, not shown in Figure 3 is.
- the screw cap is on the mouth neck 41 with its external thread 10 screwed with its internal thread 11 (also not shown in Figure 3).
- the screw cap 10 is therefore parallel with its side walls to the mouth neck 41. This cylindrical side wall of the screw cap 10 with the internal thread 11 is closed at the top by the head plate 14.
- a sealing element 30 here a flat gasket, with the contact surface 32 on the top edge of the Mouth neck 41 placed on the opening of the container 40.
- Figure 3 is for better recognition of the individual elements between two elements left a small gap that is not there in reality because as said, a seal should be made. It is still conceivable, here in addition To provide sealing layers for induction seals or the like.
- Screw cap 10 is in the area where the top plate 14 is over the sealing washer 30 presses against the support surface 32, the additional elastic element 20th intended. On average it is disc-shaped, similar to the flat gasket of the Sealing element 30.
- the head plate 14 is in contrast to conventional Provide screw caps 10 with the opening 15, which is simple in FIG. 3 as missing head plate ".
- the additional elastic element by pull tabs 24, not shown in this figure be taken. This makes it possible to apply force in the direction of arrow 28 the additional elastic element 20 or in particular on its clamping area sections 21 exercise. This force in the direction of arrow 28 goes out the clamping area above the contact surface 32 in the direction of the fictitious Axis of the mouth neck 41 of the container 40.
- the frictional force in this Direction is relatively small because it only takes a relatively short distance.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
- Figur 1
- eine Draufsicht auf eine Ausführungsform eines erfindungsgemäßen Drehverschlusses;
- Figur 2
- eine Explosionsdarstellung im Schnitt der Ausführungsform aus Figur 1;
- Figur 3
- einen Schnitt durch einen Ausschnitt des Drehverschlusses.
- 10
- Schraubkappe
- 11
- Innengewinde
- 12
- Rippen
- 13
- Bohrungen
- 14
- Kopfplatte
- 15
- Öffnung in Kopfplatte 14
- 20
- zusätzliches elastisches Element
- 21
- Klemmbereichsabschnitte
- 22
- Zungen im Klemmbereich 21
- 23
- Griffbereichsabschnitte
- 24
- Zuglasche
- 25
- Abreißstege
- 26
- Haltesteg
- 28
- Pfeil
- 30
- Dichtungselement
- 31
- Napf
- 32
- Auflagefläche
- 40
- Behälter
- 41
- Mündungshals
Claims (7)
- Drehverschluß für eine Behältermündung (40) mit einer Schraubkappe (10), die mindestens eine Öffnung (15) aufweist und mit einem zwischen der Schraubkappe und der Behältermündung angeordneten Dichtungselement (30), das bei geschlossenem Drehverschluß zwischen der Schraubkappe und der Behältermündung dichtend eingeklemmt ist,
dadurch gekennzeichnet,
daß ein zusätzliches elastisches Element (20) vorgesehen ist, von dem bei geschlossenem Drehverschluß zumindest Abschnitte (21) in dem Klemmbereich zwischen dem eingeklemmten Teil des Dichtungselementes (30) und der Schraubkappe (10) ihrerseits eingeklemmt sind, und daß durch die eine oder durch mehrere Öffnungen (15) der Schraubkappe (10) Griffbereichsabschnitte (23) des zusätzlichen elastischen Elements (20) in den Griffbereich des Benutzers ragen. - Drehverschluß nach Anspruch 1,
dadurch gekennzeichnet,
daß die Klemmbereichsabschnitte (21) des zusätzlichen elastischen Elements (20) radial nach außen gerichtete Zungen (22) aufweisen. - Drehverschluß nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Griffbereichsabschnitte (23) des zusätzlichen elastischen Elements eine Zuglasche (24) aufweisen. - Drehverschluß nach Anspruch 3,
dadurch gekennzeichnet,
daß die Zuglasche (24) im ungeöffneten geschlossenen Zustand des Drehverschlusses vor Erstöffnung über Abreißstege (25) zusätzlich mit den Klemmbereichsabschnitten (21) verbunden ist. - Drehverschluß nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die Schraubkappe (10) genau eine zentrale Öffnung (15) in ihrer Kopfplatte (14) aufweist. - Drehverschlußkappe nach einem der Anspruch 1 bis 4,
dadurch gekennzeichnet,
daß die Schraubkappe (10) einen umlaufenden Schlitz (16) als Öffnung (15) in der Kopfplatte (14) aufweist, wobei der zentrale, innere Bereich der Kopfplatte (14) mit dem äußeren Bereich der Schraubkappe (10) über Stege (17) verbunden ist und in axialer Richtung zur Behältermündung hin versetzt ist. - Drehverschluß nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß das zusätzliche elastische Element (20) in axialer Richtung eine Dicke von 0,2 bis 1 mm besitzt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19822563A DE19822563C1 (de) | 1998-05-20 | 1998-05-20 | Drehverschluß für eine Behältermündung |
DE19822563 | 1998-05-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0959016A1 true EP0959016A1 (de) | 1999-11-24 |
EP0959016B1 EP0959016B1 (de) | 2004-07-28 |
Family
ID=7868356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99109814A Expired - Lifetime EP0959016B1 (de) | 1998-05-20 | 1999-05-19 | Drehverschluss für eine Behältermündung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0959016B1 (de) |
DE (2) | DE19822563C1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011011907A1 (de) | 2011-02-21 | 2012-08-23 | Kunststoff-Technik Helmstedt Gmbh | Behälter mit Mündung und Verschlussanordnung |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3960288A (en) * | 1975-03-05 | 1976-06-01 | Phillips Edwin D | Bottle cap with means to effect seal with irregular bottle ends |
US4057159A (en) * | 1976-10-18 | 1977-11-08 | Owens-Illinois, Inc. | Vapor-seal safety cap and container |
US4393977A (en) * | 1982-03-29 | 1983-07-19 | Owens-Illinois, Inc. | Child resistant package |
DE3322326A1 (de) | 1983-06-21 | 1985-01-03 | Continental White Cap, Inc., Northbrook, Ill. | Drehverschluss fuer behaelter |
GB2171680A (en) * | 1985-01-22 | 1986-09-03 | Sunbeam Plastics Corp | Tamper indicating closure |
EP0697345A2 (de) * | 1994-08-19 | 1996-02-21 | Alfelder Kunststoffwerke Herm. Meyer Gmbh | Dichtungsscheibe mit Grifflasche |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE960970C (de) * | 1953-02-13 | 1957-03-28 | Guenther Wagner Fa | Verfahren zur Herstellung von aus elastischem Werkstoff bestehenden Dichtungsringen mit Aufreisslasche |
-
1998
- 1998-05-20 DE DE19822563A patent/DE19822563C1/de not_active Expired - Fee Related
-
1999
- 1999-05-19 DE DE59910041T patent/DE59910041D1/de not_active Expired - Fee Related
- 1999-05-19 EP EP99109814A patent/EP0959016B1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3960288A (en) * | 1975-03-05 | 1976-06-01 | Phillips Edwin D | Bottle cap with means to effect seal with irregular bottle ends |
US4057159A (en) * | 1976-10-18 | 1977-11-08 | Owens-Illinois, Inc. | Vapor-seal safety cap and container |
US4393977A (en) * | 1982-03-29 | 1983-07-19 | Owens-Illinois, Inc. | Child resistant package |
DE3322326A1 (de) | 1983-06-21 | 1985-01-03 | Continental White Cap, Inc., Northbrook, Ill. | Drehverschluss fuer behaelter |
GB2171680A (en) * | 1985-01-22 | 1986-09-03 | Sunbeam Plastics Corp | Tamper indicating closure |
EP0697345A2 (de) * | 1994-08-19 | 1996-02-21 | Alfelder Kunststoffwerke Herm. Meyer Gmbh | Dichtungsscheibe mit Grifflasche |
Also Published As
Publication number | Publication date |
---|---|
DE59910041D1 (de) | 2004-09-02 |
DE19822563C1 (de) | 1999-08-26 |
EP0959016B1 (de) | 2004-07-28 |
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