EP0045274B1 - Fermeture hermétique pour récipients - Google Patents
Fermeture hermétique pour récipients Download PDFInfo
- Publication number
- EP0045274B1 EP0045274B1 EP81710033A EP81710033A EP0045274B1 EP 0045274 B1 EP0045274 B1 EP 0045274B1 EP 81710033 A EP81710033 A EP 81710033A EP 81710033 A EP81710033 A EP 81710033A EP 0045274 B1 EP0045274 B1 EP 0045274B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- membrane
- edge
- vessel
- diaphragm
- 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
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
- 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
-
- 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
- B65D41/22—Caps or cap-like covers with elastic parts adapted to be stretched over the container
Definitions
- the invention relates to an airtight vessel closure with a cover plate which can be placed on the edge of the opening to be closed and which projects beyond the edge and which has a rigid body which is made up of a membrane made of rubber-elastic material and can be placed on the opening edge and which has two mutually encompassing rings, between which the Edge of the membrane is clamped.
- US-A-3 901 405 also shows a vessel closure with two rings holding a membrane between them.
- this requires a lot of effort and still does not result in a reliable, permanent hold of the membrane.
- the positive engagement of the two rings provided according to the invention advantageously also results in a positive fit of the edge of the membrane clamped between the rings. This advantageously ensures that excellent retention of the membrane is ensured even with comparatively low clamping forces. For this reason, relatively large tolerances can therefore advantageously be permitted in the manufacture of the rings, which considerably simplifies and reduces the cost of manufacture.
- Another very special advantage of the measures according to the invention can be seen in the fact that the positive connection provided here also facilitates the exact assembly of the membrane. In this context, it can be assumed that the membrane is held or carried reliably even when the rings are brought together by the edges provided to achieve the positive connection, so that a reliable mutual engagement is achieved without any significant effort.
- the measures according to the invention accordingly result in both simple and inexpensive manufacture and simple and inexpensive assembly and nevertheless lead to a reliable hold of the membrane, which has a positive effect on the production costs and the quality of the end product. Since the end product in the present case is a mass-produced item, these improvements in terms of price and quality result in very great economic value overall.
- FIG. 1 An exemplary embodiment of the invention shown schematically in the drawing is explained in more detail below with reference to the drawing.
- the drawing shows a radial section through a vascular occlusion according to the invention.
- the vessel closure shown in the drawing consists of an annular body 1, which is fanned out by a membrane 2.
- the ring body 1 is in two parts and consists of an inner support ring 3 and a clamping ring 4 encompassing this with mutual positive locking.
- the membrane 2 is here formed by a cutout from a material web and is clamped with its edge 5 between the support ring 3 and the clamping ring 4.
- the support ring 3 is provided here in the region of its end face, which is folded out by the membrane 2, with a radially outwardly directed edge offset 6, which is encompassed by the edge 5 of the membrane 2 and is engaged behind by the clamping ring 4 pressing against the edge 5 of the membrane 2. Due to the resulting positive connection, the clamp connection for holding the membrane 2 is relieved and the membrane 2 is secured in its position, so that a permanent hold of the membrane 2 is to be expected even under robust operating conditions.
- the support ring 1 is provided with a further radially outward bent portion 6, which is arranged here in the region of its end face opposite the membrane 2, which provides a reliable securing of the position of the clamping ring 4 formed here as a simple ring with a circular cross section.
- the support ring 3 and the clamping ring 4 can simply be designed as plastic injection moldings.
- the support ring 3 forms a dimensionally stable component.
- the clamping ring 4 can be designed as a resilient ring.
- the vessel closure shown is simply placed with the membrane 2 on the edge of the vessel 7 indicated by its outline. Subsequently, the membrane 2 is simply pushed slightly towards the interior of the vessel in the area of its area spanning the edge of the vessel, as indicated at 2a. Here, an amount of air corresponding to the curvature of the membrane 2 is displaced from the container contents. When the rubber-elastic membrane 2 springs back, a negative pressure is created in the vessel 7, which pulls the vascular closure firmly onto the edge of the vessel. The partial vacuum created as a result of air displacement also ensures that the contents of the container remain fresh for long periods and are excellently preserved.
- the membrane 2 consists of an odor-free, synthetic rubber. This material ensures excellent elasticity, so that a self-resilient resilience of the membrane 2 takes place and at the same time a full contact is ensured at the edge of the vessel to be closed, even if this edge should have slight unevenness, which, for. B. can occur with open cans by means of a can opener. In addition, complete freedom from pores is ensured, so that the partial vacuum generated in the container to be closed is maintained unchanged even over a long period of time. It is also ensured that such a membrane does not accept the smell of the container contents, nor does it give off its own odor to the latter. In the illustrated embodiment, the membrane 2 is made of transparent material, so that there is practically a viewing window and a control of the container content is possible.
- the membrane 2 is clamped between the support ring 3 and the clamping ring 4 only in the assembly position shown. But it would also be conceivable to firmly connect the membrane 2 to the clamping ring 4 by suitable means.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81710033T ATE19613T1 (de) | 1980-07-29 | 1981-07-24 | Luftdichter verschluss fuer gefaesse. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8020280U | 1980-07-29 | ||
DE19808020280 DE8020280U1 (de) | 1980-07-29 | 1980-07-29 | Luftdichter Gefaessverschluss |
DE19818111728 DE8111728U1 (de) | 1981-04-18 | 1981-04-18 | Luftdichter Gefaessverschluss |
DE8111728U | 1981-04-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0045274A1 EP0045274A1 (fr) | 1982-02-03 |
EP0045274B1 true EP0045274B1 (fr) | 1986-05-07 |
Family
ID=25948697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81710033A Expired EP0045274B1 (fr) | 1980-07-29 | 1981-07-24 | Fermeture hermétique pour récipients |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0045274B1 (fr) |
DE (1) | DE3174557D1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9023445B2 (en) | 2011-10-14 | 2015-05-05 | Kellogg North America Company | Composite containers for storing perishable products |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5271518A (en) * | 1992-07-24 | 1993-12-21 | Environ Products Inc. | Sump cover |
GB2429200A (en) * | 2005-08-15 | 2007-02-21 | Peter George Morrison | A reusable cover for a vessel |
US7594586B2 (en) * | 2006-08-05 | 2009-09-29 | Cai Edward Z | Vacuum generating device for sealing perishable products and method of use |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH23525A (de) * | 1900-12-29 | 1902-08-15 | Johann Kroog | Verschlußvorrichtung für vollständig mit Flüssigkeit gefüllte Flaschen und andere Gefäße |
US3901405A (en) * | 1974-02-04 | 1975-08-26 | Robert B Norberg | Hermetic closure member |
-
1981
- 1981-07-24 EP EP81710033A patent/EP0045274B1/fr not_active Expired
- 1981-07-24 DE DE8181710033T patent/DE3174557D1/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9023445B2 (en) | 2011-10-14 | 2015-05-05 | Kellogg North America Company | Composite containers for storing perishable products |
Also Published As
Publication number | Publication date |
---|---|
DE3174557D1 (en) | 1986-06-12 |
EP0045274A1 (fr) | 1982-02-03 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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