EP0514566A1 - Tamper-evident closure for bottles or the like - Google Patents
Tamper-evident closure for bottles or the like Download PDFInfo
- Publication number
- EP0514566A1 EP0514566A1 EP91108238A EP91108238A EP0514566A1 EP 0514566 A1 EP0514566 A1 EP 0514566A1 EP 91108238 A EP91108238 A EP 91108238A EP 91108238 A EP91108238 A EP 91108238A EP 0514566 A1 EP0514566 A1 EP 0514566A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bottle
- stopper
- arcuate section
- bridge
- detent
- 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
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
- B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges
Definitions
- the proofing band is intrusive during the bottle use and may ultimately require removal for a possible recovery of the bottle for use.
- this band may on occasions come apart from the bottle in pouring, which is obviously objectionable.
- the underlying problem of this invention is to provide a closure as indicated which has suitable structural and functional features to obviate the aforementioned drawbacks.
- a tamperproof closure for a bottle 2 is a tamperproof closure for a bottle 2.
- This closure 1 comprises a cap-type stopper 3 having an axis X-X.
- a threadway 4 is provided on the stopper 3 inside, and a mating threadway 5 is provided on the bottle 2 outside.
- the stopper 3 can be threaded and unthreaded over/off the bottle 2 as required, by respectively turning it in the directions of arrows F and G.
- Closure 1 further comprises a proofing band 6 formed integrally with the stopper 3 as by injection molding from a suitable plastics material.
- the proofing band 6 can be separated from the stopper 3 by the provision therebetween of a line of weakening 7 to be described.
- the proofing band 6 is divided into two equal arcuate sections, both referenced 8, each with an angular width which is slightly less than 180 degrees.
- Each arcuate section 8 has a leading end 9 and a trailing end 10 in the thread-out direction.
- ends 9 and 10 of either arcuate section 8 are contiguous to the ends 10 and 9, respectively, of the other arcuate section 8.
- Two rupture bridge connections 11 and 12 extend between each arcuate section 8 and the stopper 3. It should be noted that the leading bridge connection 11 locates close to the leading end 9 of the arcuate section, whereas the trailing bridge connection 12 locates close to the trailing end 10 of that same arcuate section.
- Said stops 17 and 18 are set angularly apart by an angle B, e.g. of 130 degrees.
- angle A will exceed angle B by approximately 20 degrees in the example shown.
- the fronts form equal acute angles G with their respective tangent lines t, thereby to facilitate engagement of each detent with its respective stop.
- each arcuate section will separate from the other section and the stopper, and remain attached to the bottle at the location of the leading stop.
- a major advantage of the closure according to this invention is that it can provide enhanced evidence of having been taken out amd put back on. In fact, the proofing band can in no way be brought back against the stopper.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
- This invention relates to a tamper-proof closure for a bottle and the like according to the preamble of Claim 1.
- As is known, such closures, while being on the whole satisfactory and extensively utilized, still have the disadvantage of providing scant evidence of tampering, and on first use, they tend to behave in an uncertain, random fashion, that is to perform inconsistently.
- Where the proofing band, once separated from the cap-type stopper, remains with the bottle, application of little skill is all that is required to re-attach it to the stopper and disguise the tampering.
- In addition, the proofing band is intrusive during the bottle use and may ultimately require removal for a possible recovery of the bottle for use.
- Also, this band may on occasions come apart from the bottle in pouring, which is obviously objectionable.
- It may also happen that the proofing band refuses to stay bonded to the bottle and is dragged around with the stopper due to some of its bridge connections failing to rupture. In this case, the proofing band would remain unevenly attached to the stopper and interfere every time that the stopper is threaded back over the bottle neck, resulting in an untidy appearance and likely unexpected separation at some later time.
- The underlying problem of this invention is to provide a closure as indicated which has suitable structural and functional features to obviate the aforementioned drawbacks.
- This problem is solved by a closure as indicated being characterized as in the characterizing clause of Claim 1.
- Further features and the advantages of a closure according to the invention will be apparent from the following detailed description of a preferred embodiment thereof, to be taken by way of non limitative example with reference to the accompamying drawings, in which:
- Figure 1 is a sectional view in elevation of a closure according to the invention, taken along line I-I;
- Figure 2 is a sectional view through the closure in Figure 1, taken along the line II-II; and
- Figures 3, 4 and 5 are sectional views of the closure in Figures 1 and 2, drawn to a reduced scale and showing it at successive stages of its operation.
- With reference to the drawing figures, generally shown at 1 is a tamperproof closure for a
bottle 2. - This closure 1 comprises a cap-
type stopper 3 having an axis X-X. Athreadway 4 is provided on thestopper 3 inside, and amating threadway 5 is provided on thebottle 2 outside. Thus, thestopper 3 can be threaded and unthreaded over/off thebottle 2 as required, by respectively turning it in the directions of arrows F and G. - Closure 1 further comprises a proofing band 6 formed integrally with the
stopper 3 as by injection molding from a suitable plastics material. The proofing band 6 can be separated from thestopper 3 by the provision therebetween of a line of weakening 7 to be described. - On this closure 1, the proofing band 6 is divided into two equal arcuate sections, both referenced 8, each with an angular width which is slightly less than 180 degrees. Each
arcuate section 8 has a leadingend 9 and atrailing end 10 in the thread-out direction. - The
ends arcuate section 8 are contiguous to theends arcuate section 8. - Two
rupture bridge connections arcuate section 8 and thestopper 3. It should be noted that the leadingbridge connection 11 locates close to the leadingend 9 of the arcuate section, whereas thetrailing bridge connection 12 locates close to thetrailing end 10 of that same arcuate section. - Formed inwardly on each
arcuate section 8 are twodetents detent 13 is positioned close to the leadingbridge connection 11, and the trailingdetent 14 close to thetrailing bridge connection 12. -
Detents arcuate section 8 are set angularly apart by an angle A, e.g. of about 150 degrees. - Preferably, an auxiliary rupture bridge connection 15 (16) extends between the detent 13 (14) and the
stopper 3. -
Bridge connections auxiliary bridge connections arcuate sections 8 jointly form the aforementioned line 7 of weakening. - Formed on the
bottle 2, for eacharcuate section 8, are twostops respective detents - Said stops 17 and 18 are set angularly apart by an angle B, e.g. of 130 degrees.
- Thus, angle A will exceed angle B by approximately 20 degrees in the example shown.
-
Detents back 13a, 14a and afront 13b, 14b. - Likewise,
stops front - The fronts form equal acute angles G with their respective tangent lines t, thereby to facilitate engagement of each detent with its respective stop.
- It should be further noted that a
thin rupture peduncle 19 is extended between theend 9 of onearcuate section 8 and theend 10 of the other, contiguousarcuate section 8 and is sized to be ruptured readier than the combination of thetrailing bridge connection 12 and auxiliary trailingbridge connection 16. - The operation of the closure 1 according to the invention will be now described with reference to a starting condition, depicted in Figures 1 and 2, wherein the closure 1 has been installed on the
bottle 2 after filling, such as by axial fitting or threading over in the direction of arrow G. Under this condition, the detents and stops overlap each other by mutual compliant engagement of their backs. - It is notable that in the starting condition, the
detents arcuate section 8 occupy positions angularly ahead of theirrespective stops - Opening is effected by threading out the
stopper 3, as by turning it in the direction of arrow F. Following rotation through a short distance, the leadingdetent 13 will engage thestop 17 front-to-front (see Figure 3). - Continued rotation results in the
peduncles 19, leadingbridge connection 11, and leadingauxiliary bridge connection 15 of each arcuate section being immediately ruptured. Rupture ofpeduncle 19 andbridge connections detent 13 with thestop 17, the stopper is further threaded out with sufficient force. - On rupture, the leading end of each arcuate section will separate from the other section and the stopper, and remain attached to the bottle at the location of the leading stop.
- As rotation is continued, there will occur front-to-front engagement of the trailing
detent 14 with thestop 18, with an angular delay C equal to the angular difference between A and B of about 20 degrees. - During this delay C, the
trailing end 10 of the arcuate section is brought closer to the leadingend 9. In performing this movement, the arcuate section will be compressed and elastic energy be stored threin. - Further rotation will result in the trailing
bridge connection 12 and auxiliary trailingbridge connection 16 being immediately ruptured. Once again, the rupture ofbridge connections - Following the rupture, the
trailing end 10 of eacharcuate section 8 will also separate from the stopper. Being no longer held to the stopper, and being compressed elastically between thestops arcuate section 8 will spring loose and release its stored elastic energy. - Continued rotation results in the stopper being threaded fully out and removed, for later threading on again according to necessity, with the proofing band fully and positively separated.
- A major advantage of the closure according to this invention is that it can provide enhanced evidence of having been taken out amd put back on. In fact, the proofing band can in no way be brought back against the stopper.
- A further advantage of the inventive closure is that the bottle and stopper can be used more comfortably by virtue of the proofing band having been positively moved away.
- Another advantage of the closure according to the invention comes from its dimensional stability, which will be retained for a long time by virtue of the peduncles and auxiliary bridge connections provided, effective to ensure that the arcuate sections are held in place to create the band.
- Understandably, the closure described in the foregoing may be altered and modified in a number of ways by the skilled one to meet specific and contingent demands, without departing from the invention scope as set forth in the appended claims.
Claims (5)
- A tamperproof closure (1) for a bottle (2) and the like, comprising a cap-type stopper (3) which is threadable over and off the bottle (2), a proofing band (6) connected to the stopper (3) by rupture bridge connections (11,12), detents (13,14) formed on the proofing band (6) for engagement with corresponding stops (17,18) formed on the bottle (2), characterized in that the proofing band (6) is divided in at least two arcuate sections (8), each arcuate section (8) having a leading end (9) and a trailing end (10) in the thread-out direction arranged to face the contiguous arcuate section (8) head on, and that located close to each bridge connection (11,12) is a respective one of said detents (13,14) for rupture of the bridge connection (11,12) on the detent (13,14) engaging a respective one of said stops (17,18) when first threading the stopper out.
- A tamperproof closure (1) according to Claim 1, characterized in that the detent (13,14) and stop (17,18) are sawtooth-shaped.
- A tamperproof closure (1) according to Claim 2, characterized in that there are two bridge connections (11,12) for each arcuate section (8), one positioned at the leading end (9) of the arcuate section (8) and the other at the trailing end (10) thereof, and in that said detents (13,14) of each arcuate section (8) are set angularly apart a greater distance than the angular distance between the corresponding stops (17,18) formed on the bottle (2), thereby the detent (14) of the arcuate section trailing end (10) will engage its respective stop (18) with a delay during which delay the arcuate section (8) is compressed elastically.
- A tamperproof closure (1) according to Claim 3, characterized in that it comprises an auxiliary rupture bridge (15,16) connection extending between each detent (13,14) and the stopper (3).
- A tamperproof closure (1) according to Claim 4, characterized in that it comprises a thin rupture peduncle (19) extending between the contiguous ends (9,10) of the arcuate sections (8) and being sized to break ahead of the combination of a bridge connection (11,12) and an auxiliary bridge connection (15,16).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91108238A EP0514566B1 (en) | 1991-05-22 | 1991-05-22 | Tamper-evident closure for bottles or the like |
AT91108238T ATE108398T1 (en) | 1991-05-22 | 1991-05-22 | GUARANTEE CLOSURE FOR CONTAINERS OR THE LIKE. |
DE69102870T DE69102870T2 (en) | 1991-05-22 | 1991-05-22 | Guarantee closure for containers or the like. |
ES91108238T ES2055941T3 (en) | 1991-05-22 | 1991-05-22 | INVIOLABLE SEAL FOR BOTTLES AND SIMILAR. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91108238A EP0514566B1 (en) | 1991-05-22 | 1991-05-22 | Tamper-evident closure for bottles or the like |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0514566A1 true EP0514566A1 (en) | 1992-11-25 |
EP0514566B1 EP0514566B1 (en) | 1994-07-13 |
Family
ID=8206750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91108238A Expired - Lifetime EP0514566B1 (en) | 1991-05-22 | 1991-05-22 | Tamper-evident closure for bottles or the like |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0514566B1 (en) |
AT (1) | ATE108398T1 (en) |
DE (1) | DE69102870T2 (en) |
ES (1) | ES2055941T3 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0711711A1 (en) * | 1994-11-09 | 1996-05-15 | Guala Patents B.V. | A security closure for bottles and the like |
US5740932A (en) * | 1994-11-09 | 1998-04-21 | Guala Patents B.V. | Security closure for bottles and the like |
WO2003026980A1 (en) * | 2001-09-20 | 2003-04-03 | Alcoa Deutschland Gmbh | Screw cap |
WO2006079351A1 (en) * | 2005-01-27 | 2006-08-03 | Inostrannoje Unitarnoje Proizvodstvennoe Predpriyjatie Companii 'belcaps Betailingus Gmbch' Belkeps | Bottle closing device |
RU197023U1 (en) * | 2019-09-30 | 2020-03-25 | Юрий Алексеевич Пронин | CAPPER ASSEMBLY WITH A BREAKABLE INDICATOR RING |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2423582A (en) * | 1945-02-27 | 1947-07-08 | Robert Troxel | Bottle cap |
US3874540A (en) * | 1974-01-30 | 1975-04-01 | Walter E Hidding | Tamperproof cap |
WO1983003810A1 (en) * | 1982-05-04 | 1983-11-10 | United Glass Limited | Closures for containers |
GB2125382A (en) * | 1982-07-13 | 1984-03-07 | Cope Allman Plastics Ltd | Tamper evident closure |
EP0225394A1 (en) * | 1984-06-13 | 1987-06-16 | ZELLER PLASTIK Koehn, Gräbner & Co. | Tamper-proof closure |
FR2618128A1 (en) * | 1987-07-17 | 1989-01-20 | Astra Plastique | Screw stopper, with a tamper evident band, made of rigid plastic material for a container with a threaded neck |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2665142B1 (en) * | 1990-07-27 | 1994-06-03 | Cebal | ASSEMBLY OF A PLASTIC SCREW CAPSULE WITH A GUARANTEE STRIP AND A CONTAINER, AND CORRESPONDING CAPSULE. |
-
1991
- 1991-05-22 DE DE69102870T patent/DE69102870T2/en not_active Expired - Fee Related
- 1991-05-22 EP EP91108238A patent/EP0514566B1/en not_active Expired - Lifetime
- 1991-05-22 ES ES91108238T patent/ES2055941T3/en not_active Expired - Lifetime
- 1991-05-22 AT AT91108238T patent/ATE108398T1/en not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2423582A (en) * | 1945-02-27 | 1947-07-08 | Robert Troxel | Bottle cap |
US3874540A (en) * | 1974-01-30 | 1975-04-01 | Walter E Hidding | Tamperproof cap |
WO1983003810A1 (en) * | 1982-05-04 | 1983-11-10 | United Glass Limited | Closures for containers |
GB2125382A (en) * | 1982-07-13 | 1984-03-07 | Cope Allman Plastics Ltd | Tamper evident closure |
EP0225394A1 (en) * | 1984-06-13 | 1987-06-16 | ZELLER PLASTIK Koehn, Gräbner & Co. | Tamper-proof closure |
FR2618128A1 (en) * | 1987-07-17 | 1989-01-20 | Astra Plastique | Screw stopper, with a tamper evident band, made of rigid plastic material for a container with a threaded neck |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0711711A1 (en) * | 1994-11-09 | 1996-05-15 | Guala Patents B.V. | A security closure for bottles and the like |
US5740932A (en) * | 1994-11-09 | 1998-04-21 | Guala Patents B.V. | Security closure for bottles and the like |
CN1062824C (en) * | 1994-11-09 | 2001-03-07 | 盖拉专利公司 | Security closure for bottles and like |
WO2003026980A1 (en) * | 2001-09-20 | 2003-04-03 | Alcoa Deutschland Gmbh | Screw cap |
US7712619B2 (en) | 2001-09-20 | 2010-05-11 | Alcoa Deutschland Gmbh | Screw cap |
WO2006079351A1 (en) * | 2005-01-27 | 2006-08-03 | Inostrannoje Unitarnoje Proizvodstvennoe Predpriyjatie Companii 'belcaps Betailingus Gmbch' Belkeps | Bottle closing device |
RU197023U1 (en) * | 2019-09-30 | 2020-03-25 | Юрий Алексеевич Пронин | CAPPER ASSEMBLY WITH A BREAKABLE INDICATOR RING |
Also Published As
Publication number | Publication date |
---|---|
DE69102870T2 (en) | 1994-12-08 |
ES2055941T3 (en) | 1994-09-01 |
EP0514566B1 (en) | 1994-07-13 |
ATE108398T1 (en) | 1994-07-15 |
DE69102870D1 (en) | 1994-08-18 |
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