AU679558B2 - A tamperproof closure for bottles and the like - Google Patents
A tamperproof closure for bottles and the like Download PDFInfo
- Publication number
- AU679558B2 AU679558B2 AU75718/94A AU7571894A AU679558B2 AU 679558 B2 AU679558 B2 AU 679558B2 AU 75718/94 A AU75718/94 A AU 75718/94A AU 7571894 A AU7571894 A AU 7571894A AU 679558 B2 AU679558 B2 AU 679558B2
- Authority
- AU
- Australia
- Prior art keywords
- cap
- threadway
- tubular body
- closure
- closure according
- 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.)
- Ceased
Links
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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
- B65D47/122—Threaded caps
-
- 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
-
- 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
- B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
-
- 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
- B65D41/62—Secondary protective cap-like outer covers for closure members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Description
AUSTRALIA
Patents Act COMPLETE SPECIFICATION
(ORIGINAL)
Class Int. Class Application Number: Lodged: Complete Specification Lodged: Accepted: Published: Priority Related Art: *o o**o oa Name of Applicant: Guala S.p.A.
Actual Inventor(s): Piero Battegazzore Address for Service: PHILLIPS ORMONDE FITZPATRICK Patent and Trade Mark Attorneys 367 Collins Street Melbourne 3000 AUSTRALIA Invention Title: A TAMPERPROOF CLOSURE FOR BOTTLES AND THE LIKE Our Ref 386385 POF Code: 7359/105969 The following statement is a full description of this invention, including the best method of performing it known to applicant(s):
E
la
DESCRIPTION
This invention relates to a tamperproof closure for bottles and the like.
Closures of the above type, while performing satisfactorily from several aspects and being widely used, still may develop some problems on first unsealing, as well as on the occasion of subsequent open/close cycles, when their parts associated together along the axial direction to make up the closure happen to have axial dimensions which lie close to extreme values of their respective tolerance ranges. In particular, the screw cap may not screw off the 10 pouring body in a proper fashion because the latter fails to be held to the bottle with adequate firmness.
S..
The underlying problem of this invention is to provide a closure as indicated which has such construction and performance features as to overcome the above-mentioned drawback.
According to the invention there is provided a tamperpro closure for bottles and the like including a pouring body having a fr edge, an outside threadway, and an an'.jlar outer flange; a tubular bo having an annular ledge on its interior, elevations depressions defing a grooved contour, and an annular folding tab; and a screw cap h ng an inside threadway mating with the outside threadway on the pouri body, said screw cap being attached to the tubular body through a ii of weakness; a coupling between the tubular body and the pouring bo Furth features and the advantages of a closure according to this Sinve t n will be apparent from the following description of a preferred According to the invention there is provided a tamperproof closure for bottles and the like including a pouring body having a free edge, an outside threadway, and an annular outer flange; a tubular body having an annular ledge on its interior, elevations and depressions defining a grooved contour, and an annular folding tab; and a screw cap having an inside threadway mating with the outside threadway on the pouring body, said screw cap being attached to the tubular body through a line of weakness; a coupling between the tubular body and the pouring body making the pouring body angularily rigid with the tubular body.
Further features and the advantages of a closure according to this invention will be apparent from the following description of a preferred So 009* o o0 o o° o 2 embodiment thereof, given by way of illustration and not of limitation with reference to the accompanying drawing figures, of which: Figure 1 shows a part-sectional exploded view of a closure according to the invention; Figure 2 shows a detail of the closure in Figure 1, drawn to an enlarged scale; Figure 3 shows another detail of the closure in Figure 1, also drawn to an enlarged scale; and Figure 4 shows a general view, partly in section, of the closure in Figure 1 S10 as applied to a bottle. o ~With reference to the drawing figures, generally shown at 1 is a tamperproof closure intended for use on a bottle 2 or the like, and having an axis
X-X.
The bottle 2 includes a mouth opening 3 having a free edge 4 and being 15 formed with a groove ro ooo o• 3 on its exterior, which groove defines an axial shoulder 6, and with a plurality of elevations 7 and depressions 8 jointly defining a grooved contour 9.
The closure 1 comprises a pouring body, generally indicated at 10, which has a free edge 11 and an outer annular flange 12. The pouring body 10, being preferably a polystyrene molding, is completed by a washer 13, made preferably of polyethylene, and encloses a one-way shutter 14, also made preferably of polyethylene, which functions to prevent unauthorized o topping up of the bottle.
A multi-start outer threadway 15 is formed on o@ the exterior of the pouring body 10 which has threads as indicated at 16, in this example two such threads.
The closure 1 further comprises a tubular body 17 having an upper end 18 provided with a tubular 000* inner ledge 19, and a lower end An annular tab 21 is formed inwardly of the e o tubular body 17 which can be bent between a rest position wherein it is directed toward the lower end of the tubular body, and a folded working position wherein it is facing the upper end 18.
The tubular body interior is formed, in its lower end 20 portion, with a plurality of elevations 22 and depressions 23 which jointly define a grooved 4 contour 24 matching the grooved contour 9.
It should be noted that the elevations 7 of the grooved contour 9 are rounded at the top, and that the elevations 22 of the grooved contour 24 are provided with respective axial extensions 25 having a width dimension with a predetermined limited value, smaller than the individual width of the elevations 7.
The extensions 25 have rounded termination ends and lie axially through a predetermined length
I
t o The closure 1 also comprises a cap 26 having a bottom 27 and a rim 28. The interior of the cap 26 is formed with a multi-start inside threadway 29 having threads 30. The number of the threads 30 is larger than llOO that of the threads 16, preferably twice as large, i.e.
four in the example shown.
The threads 16 and 30 have sawtooth-like profiles.
Axially compliant elastic means 31 are associated with the cap 26. These are embodied by a plurality of small jutting wings 32 from the bottom 27 of the cap toward the rim 28. The wings 32 are formed integrally with the cap and have a predetermined reach along the axial direction.
The cap 26 is attached, around its rim 28, to
I
5 the upper end 18 of the tubular body 17 through a line of weakness 33 created by notches 34.
Thus, the cap 26 and tubular body 17 are a unitary construction to be obtained, of preference, by molding from a polyolefinic resin.
A face coupling 35 is formed between the tubular body 26 and the pouring body 10 to make the pouring body angularly rigid with the tubular body. The coupling 35 comprises front teeth 36 projecting from the ledge 19, and front teeth 37 projecting from the flange 12, said teeth being arranged to engage each other.
The teeth 36 are a large number, forty in the example shown, and are released from the mold cavity by @ego opening the mold along the axial direction. There are S at least two teeth 37 provided which locate diametrically opposite from each other; in the example shown, these teeth are two in number. They are released from the mold cavity by opening the mold radially along the direction of said diameter. The teeth 36 and 37 have all an isosceles triangular configuration with a limited apex angle A, where A=60 in the example shown, and a rounded apex, the rounding having a radius r=0.2 mm in the example.
A cap top 38, preferably of a polyolefinic I i 6 resin, covers the cap 26, snap-action engagement means 39 and a toothed coupling 40 being provided for securing the cap top onto the cap axially and angularly, respectively. An annular recess 41 is formed on the cap top 38 interior, so that an interspace 42 is defined between the cap top and the cap.
The closure 1 is assembled by fitting the cap top axially over the cap to cause the engagement means 39 to snap into the engaged position and the toothed coupling 40 to become engaged, followed by the fitting of the cap axially over the pouring body until the threads 30 and 15 snap over and past one another, thereby delivering an assembly which can be handled as a single unit. The snap-over movement of the threads is facilitated by that the cap is suitably allowed to expand by the interspace 42 provided. The configurations of the teeth 36 and 37 provides a lead-in for their mutual engagement.
The resultant closure, presently in a form adapted to be handled as a whole, is emplaced on the bottle mouth opening, again to an axial fit, using an appropriate pusher tool which is movable along the axis x-x and freely rotatable about the axis X-X.
Upon fitting the closure axially over the mouth opening, the extensions 25 will begin to engage 7 the grooved contour 9 of the bottle mouth, before the tab 21 engages with the edge 4. The extensions 25 are eased into the depressions 8 of the grooved contour 9 by their rounded ends meeting the rounded ends of the elevations 7. As the axial fitting movement continues, the tab, which had been folded over by means of some appropriate tool or by the passage of the pouring body, will engage the shoulder on the bottle mouth, thereby securing the closure on the bottle. In the meantime, the wings 32 will abut against the free edge 11 of the 0" pouring body, with enough elastic yield in the axial ooo direction as provided for by the pusher stroke, to ultimately become compressed as allowed by the tolerances for the various axial dimensions.
On completion of the fitting step, the face coupling makes the pouring body angularly rigid with the tubular body, and hence the bottle.
Upon first unsealing, by turning the cap top, *.00 and the cap with it, in the unscrew direction the line of weakness is first ruptured, causing the cap to separate from the tubular body and, accordingly, to screw out of the pouring body. During first unsealing, as well as on the occasion of each subsequent screwing off/on of the cap, the pouring body will be held angularly to the tubular body, and hence the bottle, by 8 the coupling provided, even if the axial dimensions were all at extreme values of their tolerance ranges.
A major advantage of the tamperproof closure of this invention comes from its unfailing performance on the occasion of the cap unsealing and each subsequent screwing off/on cycle.
A further advantage is that the closure of this invention is constructed of easily made parts, which can be readily assembled and installed on a bottle.
S•Understandably, a person of skill in the art may, in order to fill contingent and specific demands, make many changes and modifications unto the closure described in the foregoing without departing from the 00o• protection scope of the invention as defined in the following claims.
oeoe•: go
Claims (11)
1. A tamperproof closure for bottles and the like including a pouring body having a free edge, an outside threadway, and an annular outer flange; a tubular body having an annular ledge on its interior, elevations and depressions defining a grooved contour, and an annular folding tab; and a screw cap having an inside threadway mating with the outside threadway on the poulng body, said screw cap being attached to the tubular body through a line of weakness; a coupling between the tubular body and the pouring body making the pouring body angularily rigid with the tubular body.
2. A closure according to claim 1, wherein the coupling includes teeth projecting from the ledge and teeth projecting from the flange.
3. A closure according to claim 2, wherein the teeth are front teeth. 15
4. A closure according to claim 3, wherein the front teeth projecting from the ledge are provided in a large number, preferably forty in number, and that the front teeth projecting from the flange are at least two in number located diametrically opposite from each other.
5. A closure according to any one of claims 2 to 4, wherein the teeth have an isosceles triangular configuration with rounded apex.
6. A closure according to any one of the preceding claims, wherein the outside threadway on the pouring body and the inside threadway on the cap have sawtooth profile threads.
7. A closure according to any one of the preceding claims, wherein the outside threadway and the inside threadway are multi-start threadways, and that JPD C.IWNWORDUACQUELiBFNODELE 757iaCM.DO the inside threadway has a larger number of threads than the outside threadway, preferably twice as many.
8. A closure according to any one of the preceding claims further including elastic means interposed between the cap and the pouring body.
9. A closure according to claim 7, wherein said elastic means are small wings projecting from the cap and formed integrally with the cap.
A closure according to any one of the preceding claims, wherein the elevations of the grooved contour on the tubular body include axial extensions having a width dimension of predetermined limited value and rounded ends of 10 predetermined length to start engaging in depressions of a grooved contour o formed on the bottle while upon fitting the closure axially onto the bottle, the tab is yet to engage the bottle.
11. A closure according to any one of the preceding claims, further including a cap top to cover the cap, said cap top being formed with an annular recess, 15 thereby defining an interspace between the cap top and the cap. S12. A tamperproof closure for bottles substantially as hereinbefore descril and illustrated. *9 DATED: 20 December, 1996 PHILLIPS ORMONDE FITZPATRICK Attorneys for: G N G UALA S.p.A. ABSTRACT A tamperproof closure for bottles and the like, affording unfailing performance on the occasions of first unsealing and subsequent open/close cycles, and having a construction which facilitates its assembly into a whole adapted to be handled as a unit, and once assembled, its installation onto the bottle, comprises a pouring body (10) provided with a flange a tubular body (17) provided with an annular inner ledge a screw cap (26) attached to the tubular body (17) through a line of weakness and a face coupling (35) between the ledge (19) on the tubular body (17) and the flange (12) on the pouring body (10) for making the pouring body (10) angularly rigid with the tubular body (17). (Fig. 4) S fto oot I
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI93A2327 | 1993-11-03 | ||
IT93MI002327A IT1266657B1 (en) | 1993-11-03 | 1993-11-03 | WARRANTY CLOSURE FOR BOTTLES AND SIMILAR |
Publications (2)
Publication Number | Publication Date |
---|---|
AU7571894A AU7571894A (en) | 1995-05-18 |
AU679558B2 true AU679558B2 (en) | 1997-07-03 |
Family
ID=11367133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU75718/94A Ceased AU679558B2 (en) | 1993-11-03 | 1994-10-11 | A tamperproof closure for bottles and the like |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0650902B1 (en) |
KR (1) | KR100341855B1 (en) |
CN (1) | CN1045935C (en) |
AU (1) | AU679558B2 (en) |
ES (1) | ES2113051T3 (en) |
GR (1) | GR3026113T3 (en) |
IT (1) | IT1266657B1 (en) |
PL (1) | PL175182B1 (en) |
RU (1) | RU2129512C1 (en) |
UA (1) | UA37205C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7584842B2 (en) | 2002-10-10 | 2009-09-08 | Seaquist Closures Foreign, Inc. | Two-part vessels |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EA008470B1 (en) * | 2005-09-21 | 2007-06-29 | Дмитрий Иванович ПАХОМОВ | Closure cap with tamper evident means |
EA007668B1 (en) * | 2005-09-21 | 2006-12-29 | Дмитрий Иванович ПАХОМОВ | A combination of closure and container |
EA013382B1 (en) * | 2007-07-27 | 2010-04-30 | Дмитрий Иванович ПАХОМОВ | A cap for a bottle |
PL215918B1 (en) | 2010-05-04 | 2014-02-28 | Kinga Klaudia Gluc | Bottle cork |
FR2986782B1 (en) * | 2012-02-13 | 2014-03-07 | Raymond A & Cie | PLUG LOCKING DEVICE ON FLANGE CONTAINER, PLUG-IN CLOSURE FLANGE CONTAINER PROVIDED WITH SUCH LATCHING DEVICE |
EP3093253A1 (en) * | 2015-05-12 | 2016-11-16 | Pieter Henderikus Langelaan | Closure system for bottles comprising a stopper and a sealing element |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817416A (en) * | 1972-08-02 | 1974-06-18 | A Costa | Safety closure cap for containers |
US4458817A (en) * | 1981-05-12 | 1984-07-10 | Angelo Guala S.P.A. | Closure with internal security for bottles and the like |
US5246124A (en) * | 1991-03-05 | 1993-09-21 | Guala S.P.A. | Closure device for bottles, particularly intended for bottles containing quality drinks |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1173373B (en) * | 1984-02-24 | 1987-06-24 | Guala Angelo Spa | CLOSURE FOR BOTTLES |
-
1993
- 1993-11-03 IT IT93MI002327A patent/IT1266657B1/en active IP Right Grant
-
1994
- 1994-10-06 ES ES94202893T patent/ES2113051T3/en not_active Expired - Lifetime
- 1994-10-06 EP EP94202893A patent/EP0650902B1/en not_active Expired - Lifetime
- 1994-10-11 AU AU75718/94A patent/AU679558B2/en not_active Ceased
- 1994-11-02 RU RU94040161A patent/RU2129512C1/en not_active IP Right Cessation
- 1994-11-02 UA UA94115987A patent/UA37205C2/en unknown
- 1994-11-02 CN CN94118332A patent/CN1045935C/en not_active Expired - Fee Related
- 1994-11-03 KR KR1019940028811A patent/KR100341855B1/en not_active IP Right Cessation
- 1994-11-03 PL PL94305683A patent/PL175182B1/en not_active IP Right Cessation
-
1998
- 1998-02-12 GR GR980400285T patent/GR3026113T3/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817416A (en) * | 1972-08-02 | 1974-06-18 | A Costa | Safety closure cap for containers |
US4458817A (en) * | 1981-05-12 | 1984-07-10 | Angelo Guala S.P.A. | Closure with internal security for bottles and the like |
US5246124A (en) * | 1991-03-05 | 1993-09-21 | Guala S.P.A. | Closure device for bottles, particularly intended for bottles containing quality drinks |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7584842B2 (en) | 2002-10-10 | 2009-09-08 | Seaquist Closures Foreign, Inc. | Two-part vessels |
Also Published As
Publication number | Publication date |
---|---|
UA37205C2 (en) | 2001-05-15 |
CN1045935C (en) | 1999-10-27 |
CN1107115A (en) | 1995-08-23 |
KR100341855B1 (en) | 2003-08-21 |
KR950013923A (en) | 1995-06-15 |
EP0650902B1 (en) | 1997-12-29 |
IT1266657B1 (en) | 1997-01-09 |
ITMI932327A1 (en) | 1995-05-03 |
EP0650902A1 (en) | 1995-05-03 |
RU94040161A (en) | 1996-09-27 |
AU7571894A (en) | 1995-05-18 |
RU2129512C1 (en) | 1999-04-27 |
ITMI932327A0 (en) | 1993-11-03 |
PL175182B1 (en) | 1998-11-30 |
ES2113051T3 (en) | 1998-04-16 |
PL305683A1 (en) | 1995-05-15 |
GR3026113T3 (en) | 1998-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GM | Mortgages registered |
Name of requester: BANCA COMMERCIALE ITALIANA S.P.A., MELIORBANCA S.P |
|
TH | Corrigenda |
Free format text: IN VOL 14, NO 16, PAGE(S) 3137 UNDER THE HEADING MORTGAGES REGISTERED PATENT NUMBER 679558 THE INDUSTRIAL BANK OF JAPAN, LIMITED SHOULD HAVE BEEN INCLUDED WITH THE MORTGAGEES |
|
HB | Alteration of name in register |
Owner name: GUALA CLOSURES S.P.A. Free format text: FORMER NAME WAS: GUALA CLOSURES S.P.A. |