EP0768976B1 - Schnappverschlussanordnung an einem behälter - Google Patents
Schnappverschlussanordnung an einem behälter Download PDFInfo
- Publication number
- EP0768976B1 EP0768976B1 EP96908986A EP96908986A EP0768976B1 EP 0768976 B1 EP0768976 B1 EP 0768976B1 EP 96908986 A EP96908986 A EP 96908986A EP 96908986 A EP96908986 A EP 96908986A EP 0768976 B1 EP0768976 B1 EP 0768976B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- bead
- cap
- retaining bead
- container mouth
- 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
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
- B65D41/16—Snap-on caps or cap-like covers
- B65D41/18—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
Definitions
- the invention relates to a snap lock arrangement on a container, with a cap with at least a retaining bead for attachment to one Outer bead having container mouth, which retaining bead on an elastically expandable cylindrical wall Closure cap is arranged, wherein an engagement surface of the retaining bead with an engagement surface of the External bead can be brought into active engagement.
- the object of the invention is that specified at the outset To form the snap lock arrangement so that the Security against unintentional lifting of the cap by comparison of an overpressure prevailing in the container to the known snap lock arrangements is increased.
- the object is in the snap lock arrangement according to the invention solved in that the engagement surface of the Retaining bead attached to the container mouth Cap with the engagement surface of the outer bead the container mouth after the installation process encloses a gap widening radially outwards, the retaining bead being so elastic is deformable that the gap in the overpressure Container shrinks or closes.
- the widening gap between the two Intervention surfaces has the effect of being given by a Overpressure in the container smaller the cylindrical wall the cap widening forces are generated as in comparable known snap lock arrangements.
- the closure cap shown in Fig. 1, consisting of plastic has a circular top wall 1 and a cylindrical Circumferential wall 2. On the circumferential wall 2 is on the inside a retaining bead 3 extending in the circumferential direction molded.
- the peripheral wall 2 can be elastically expanded, that when you put the cap on a muzzle a container of the retaining bead 3 via an outer bead slide at the container mouth and then behind this outer bead can snap into place.
- the retaining bead can be made in the same way 3 slide back over the outer bead of the container mouth, when the cap is removed from the container becomes.
- the top wall 1 has in the same way like the one shown in Fig. 1, the top wall 1 and the cylindrical Circumferential wall 2.
- On the circumferential wall 2 are on the inside several retaining beads 3 formed, depending on one Extend section of a helix such that the Screw cap on a container mouth can, which carries a multiple external thread.
- the peripheral wall 2 is elastically expandable, so that the Retaining beads 3 over the corresponding, the external thread forming outer beads on the container mouth, when the cap is approximately axial from the container mouth is pulled or tipped.
- Fig. 3 the halves of a cap and one Container mouth shown on a larger scale.
- the cap again has the top wall 1 and the peripheral wall 2 with the retaining bead formed on the inside 3.
- a cylindrical wall section 4 is shown, on which an outer bead 5 is formed.
- the cap is attached to the container mouth by the Top surface or engaging surface of the retaining bead 3 with the bottom surface or engaging surface of the Outer bead 5 is in active engagement.
- the two engagement surfaces close according to the invention, at least as long there is no major excess pressure in the container, one is outward widening gap. Close in axial section the two surfaces (more precisely: tangents to the turning points the cutting lines) approximately an angle ⁇ of 5 to 15 °, preferably an angle of 7 to 10 °.
- Figures 4a and 4b show the effect of a in the container prevailing overpressure, which the upper wall 1 with the pressure P loaded and pushes up.
- the wall 1 then pulls the Circumferential wall 2 upwards, initially according to FIG. 4a the gap closes with the angle ⁇ because the retaining bead 2 is deformed elastically and bent downwards.
- Outer bead 5 and retaining bead 3 are therefore in a wide range Area of the intended internal pressure against each other.
- the holding force F is accordingly also flat the entire length of the retaining bead 3 on the outer bead 5 of the container transferred.
- the outward component R is therefore undesirable, because they are on an expansion of the peripheral wall 2 of the Cap works.
- elastic deformation of the retaining bead 3 cannot be avoided because otherwise the The cap is not snapped onto the container mouth could be, is through the gap with the angle ⁇ (Fig. 3) achieved that the retaining bead 3 after touchdown and after the build-up of the overpressure to be expected (e.g. at carbonated drinks), the retaining bead 3 after is deformed below, the gap closes and the Retaining bead 3 reaches its target position.
- Fig. 4b shows how the with increasing internal pressure Holding force F is increased such that the radial outward component R increases, causing the Circumferential wall of the cap 2 is expanded. But also with such an overpressure as shown schematically in FIG. 4b is shown, the closure is not yet from Wall section 4 of the container blasted off.
- FIG. 5 shows the effect of in the container prevailing overpressure on a not according to the invention Cap, in the unloaded state (with interrupted Lines drawn) between the top surface of the retaining bead W and the underside surface of the outer bead 5 there is no widening gap is.
- the upper wall 1 pulls the peripheral wall 2 a little upwards and glides the top surface of the Retaining bead W on the underside surface of the outer bead 5 diagonally upwards and outwards.
- F ' has the same direction parallel to the container axis Component A, a radially outward facing, the peripheral wall 2 expanding component R ', which is a lot bigger is as the radial component R in the closure cap 3 and 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Description
Claims (4)
- Schnappverschlussanordnung mit einem Behälter und mit einer Verschlusskappe mit wenigstens einem elastisch deformierbaren Rückhaltewulst (3) zum Befestigen auf einer einen Aussenwulst aufweisenden Behältermündung, welcher Rückhaltewulst (3) an einer elastisch aufweitbaren zylindrischen Wand (2) der Verschlusskappe angeordnet ist, wobei eine Eingriffsoberfläche des Rückhaltewulstes (3) mit einer Eingriffsoberfläche des Aussenwulstes (5) in Wirkeingriff bringbar ist, dadurch gekennzeichnet, dass die Eingriffsoberfläche des Rückhaltewulstes (3) der auf der Behältermündung befestigten Verschlusskappe mit der Eingriffsoberfläche des Aussenwulstes (5) der Behältermündung nach dem Aufsetzvorgang einen sich radial nach aussen erweiternden Spalt einschliesst, wobei der Rückhaltewulst derart elastisch deformierbar ist, dass sich der Spalt bei Überdruck im Behälter verkleinert oder schliesst.
- Schnappverschlussanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Eingriffsoberflächen im Axialschnitt einen Winkel (α) von 5 bis 15° einschliessen.
- Schnappverschlussanordnung nach Anspruch 2, dadurch gekennzeichnet, dass die beiden Eingriffsoberflächen im Axialschnitt einen Winkel (α) von 7 bis 10° einschliessen.
- Schnappverschlussanordnung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Verschlusskappe eine auf die Behältermündung aufschnappbare Mehrfachgewindekappe ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH123695 | 1995-05-01 | ||
CH1236/95 | 1995-05-01 | ||
CH123695 | 1995-05-01 | ||
PCT/CH1996/000140 WO1996034807A1 (de) | 1995-05-01 | 1996-04-17 | Schnappverschlussanordnung an einem behälter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0768976A1 EP0768976A1 (de) | 1997-04-23 |
EP0768976B1 true EP0768976B1 (de) | 2000-01-19 |
Family
ID=4205665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96908986A Expired - Lifetime EP0768976B1 (de) | 1995-05-01 | 1996-04-17 | Schnappverschlussanordnung an einem behälter |
Country Status (4)
Country | Link |
---|---|
US (1) | US5848717A (de) |
EP (1) | EP0768976B1 (de) |
DE (1) | DE59604219D1 (de) |
WO (1) | WO1996034807A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6712365B2 (en) | 2000-09-15 | 2004-03-30 | Hewlett-Packard Development Company, L.P. | Over-molded gland seal |
US6685041B1 (en) | 2001-09-24 | 2004-02-03 | Owens-Brockway Plastic Products Inc. | Dual-chamber container and closure package |
US6602459B1 (en) | 2001-09-24 | 2003-08-05 | Owens-Brockway Plastic Products Inc. | Dual-chamber container, and method and apparatus for its manufacture |
ATE458832T1 (de) | 2001-11-28 | 2010-03-15 | Bio Rad Laboratories | Paralleles scoring von polymorphismen mittels amplifikation und fehlerkorrektur |
US20040206721A1 (en) * | 2003-04-17 | 2004-10-21 | Swanberg Craig C. | Bottle cap |
WO2005098042A2 (en) * | 2004-04-01 | 2005-10-20 | Bio-Rad Laboratories, Inc. | Quantitative amplification with a labeled probe and 3' to 5' exonuclease activity |
US20080072989A1 (en) * | 2006-09-22 | 2008-03-27 | Lepe Jose A | Squeeze resistant flange cover and method of making same |
US8047398B2 (en) | 2007-06-22 | 2011-11-01 | Kraft Foods Global Brands Llc | Snap overcap closure for a container |
ITUB20160971A1 (it) * | 2016-02-23 | 2017-08-23 | Sacmi | Elemento di chiusura per un contenitore. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2445647A (en) * | 1944-11-03 | 1948-07-20 | Aluminum Co Of America | Closure and container |
US2585624A (en) * | 1950-05-08 | 1952-02-12 | Hazel Atlas Glass Co | Thread for glass containers |
US3061132A (en) * | 1957-04-19 | 1962-10-30 | Anchor Hocking Glass Corp | Closure and sealed package |
US3494497A (en) * | 1968-12-23 | 1970-02-10 | Continental Can Co | Press-on,turn-off closure |
US4917269A (en) * | 1989-05-10 | 1990-04-17 | Owens-Illinois Closure Inc. | Liquid containing and dispensing package |
US5368178A (en) * | 1992-03-09 | 1994-11-29 | Towns; Edward J. | Container and closure therefore having conical sealing surfaces |
US5685443A (en) * | 1995-03-06 | 1997-11-11 | White Cap, Inc. | Composite closure and method of making same |
-
1996
- 1996-04-17 EP EP96908986A patent/EP0768976B1/de not_active Expired - Lifetime
- 1996-04-17 US US08/750,687 patent/US5848717A/en not_active Expired - Fee Related
- 1996-04-17 DE DE59604219T patent/DE59604219D1/de not_active Expired - Fee Related
- 1996-04-17 WO PCT/CH1996/000140 patent/WO1996034807A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US5848717A (en) | 1998-12-15 |
WO1996034807A1 (de) | 1996-11-07 |
DE59604219D1 (de) | 2000-02-24 |
EP0768976A1 (de) | 1997-04-23 |
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