GB2202214A - Closure - Google Patents

Closure Download PDF

Info

Publication number
GB2202214A
GB2202214A GB08705643A GB8705643A GB2202214A GB 2202214 A GB2202214 A GB 2202214A GB 08705643 A GB08705643 A GB 08705643A GB 8705643 A GB8705643 A GB 8705643A GB 2202214 A GB2202214 A GB 2202214A
Authority
GB
United Kingdom
Prior art keywords
closure
cap
container
cylindrical opening
holes
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.)
Pending
Application number
GB08705643A
Other versions
GB8705643D0 (en
Inventor
Peter James Puresevic
Julian Davidson Taylor
Denis O'sullivan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spectra King Precision Engineers Ltd
Original Assignee
Spectra King Precision Engineers Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Spectra King Precision Engineers Ltd filed Critical Spectra King Precision Engineers Ltd
Priority to GB08705643A priority Critical patent/GB2202214A/en
Publication of GB8705643D0 publication Critical patent/GB8705643D0/en
Publication of GB2202214A publication Critical patent/GB2202214A/en
Pending legal-status Critical Current

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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
    • B65D51/1688—Venting occurring during initial closing or opening of the container, by means of a passage for the escape of gas between the closure and the lip of the container mouth, e.g. interrupted threads
    • 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
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0428—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a collar, flange, rib or the like contacting the top rim or the top edges or the external surface of a container neck

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

A closure or cap 1 for a container such as a bottle 2, having a cylindrical opening or neck 3, and includes means 4 to allow release of pressure from within the bottle 2 when the closure 1 is mounted on the cylindrical opening 3 and moved in a release sense. <IMAGE>

Description

CLOSURE The invention relates to a closure, particularly a safety closure for a vessel containiiig a carbonated liquid, such as a drisi.
Carbonated drinks are often sold ill bottles which have a cylindrical neck or opeIiiIlg with an external screw-thread on which a closure such as a screw-cap is screwed in order to keep the drink in the bottle. The cap is wiscrewed to remove the cap from the neck, and to allow access to the drink.
The disadvantage of such drinks sold in this way is that gas can come out of solution and can be retained under pressure in the bottle. In extreme cases the pressure can build up to such an extent that the bottle bursts. In other instances, the cap can be blown off the neck. In other in.stallces, when a user turns the cap to release it, the pressure is such that the cap is blown off in the hand of the user.
Apart from the fact that all such instances as outlined above invariably occur with a waste of the drink, the bursting of the bottle, or forcible removal of the cap are dangerous.
It is an object of the invention to seek to mitigate these disadvantages.
According to the iiwe'ition there is provided a clo.sure for a container having a cylindrical opening, and includillg meals to allow release of pressure from within a container when the closure is mounted on the cylindrical opening and moved in a release sense.
The pressure relieving means may include a hole through the closure at a radial position which is in use outwardly of the iru1er surface of the cylindrical openillg.
There may be a plurality of holes.
The holes may be arraryg(?d on a circle.
The or each hole or some of the holes may include a filliiog removable therefrom by pressure of gas. This constructioio can provide a tamper evident feature as renewal of the filler indicates removal of the closure.
It will be understood that the invention extends to a container having a cylindrical opening, a closure moulted thereon, and means to allow release of pressure from within the container wheti the closure is moved in a release sense.
A safety cap or closure for carbonated drinks is hereinafter described, by way of example, with reference to the accompanying drawings.
Fig. 1 shows a cap according to the invention, moulted on a screw-threaded cylindrical neck opening of a bottle for a carbonated drink such as lemoioade; and Fig. 2 shows an underneath plan view of the cap of Fig. 1.
Referring to the drawing there is shown a closure or cap 1 for a container such as a bottle 2, having a cylirldrical opening or neck 3, and includitog means 4 to allow release of pressure from within the bottle 2 when the closure 1 is moulted on the cylindrical opening 3 and moved in a release sense.
The neck 3 has an external screw thread 5. The cap 1 has an end wall 6 and a dependiiog cylindrical skirt 7 which has a screw thread 8 which is complemetitary to the screw thread 5 of the neck 3.
The cap 1 also has a seal ring in the forum of a flexible and resiliellt depending amlular lip or flange 9 which is spaced inwardly of the skirt 7, in other words it is spaced ilwardly radially from the skirt 7.
The pressure release meals 4 is situated between the seal ring 9 and the skirt 7 and in the embodiment shown comprises a series or ring of holes which pass right through the end cap 6.
There can be as few or as many holes 4 as desired, for example from 1 to 1000. However many holes there are, they are situated at a radial position which is in use outwardly of the iller surface of the cylindrical spelling 3. This means that in use, when the cap 1 is mounted oll the neck 3 and screwed down, the seal ring 9 engages the inner circumference of the cylindrical opening and flexes to provide a positive seal.
The ring of the holes 4 is then situated outwardly of the iruler surface of the opening, and outwardly of the seal ring 9, and is prevented from conrrwiication with the interior of the bottle 2 by the seal ruing.
If the bottle colltains a carbonated drink, pressure can build up.
However, when the cap 1 is moved in a release sense and the seal ring 9 is released from the bottle neck 3, gas under pressure forces its way passed the ring 9 and escapes through the holes or perforations 4, so obviating any tendency to blow the cap 1 off the bottle.
The cap 1 is suitably moulded in one piece from plastics material.
It will be understood that the cap may be modified, for example the holes or perforations 4 could be through the skirt 7, or there could be such holes or perforations through the skirt 7 as well as the end wall 6.
The holey or perforations 4, or some of them, call be filled witch a removable filler of any suitable material such as a suitable chemical.
The filler is removable welder pressure of the gas, which ejects the filler from the holes 4 when the cap is first opened. This feature therefore provides an indication as to first opening of the bottle 2 and can thus provide evidence of tamperirig with the cap 1 when the bottle should not be opened. The open holes provide evidence of such tampering.

Claims (7)

CLAIMS.
1. A closure for a container having a cylindrical opening, wherein there are means to allow release of pressure from within a container when the closure is mounted on the cylindrical opening and moved in a release sense.
2. A container according to claim l, in which the presssure relieving means includes a hole through the closure at a radial position which is in use outwardly of the inner surface of the cylindrical opening.
3. A container according to claim 2, in which there is a plurality of holes.
4. A container according to claim 3, the holes being arranged on a circle.
5. A container according to any of claims 2 to 4, the or each hole or so-me of the holes including a filling removable therefrom by pressure of gas.
6. A closure for a container having a cylindrical opening, substantially as hereinbefore described with reference to the accompanying drawings.
7. A container having a cylindrical opening, and a closure according to any preceding claim mounted thereon
GB08705643A 1987-03-10 1987-03-10 Closure Pending GB2202214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08705643A GB2202214A (en) 1987-03-10 1987-03-10 Closure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08705643A GB2202214A (en) 1987-03-10 1987-03-10 Closure

Publications (2)

Publication Number Publication Date
GB8705643D0 GB8705643D0 (en) 1987-04-15
GB2202214A true GB2202214A (en) 1988-09-21

Family

ID=10613680

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08705643A Pending GB2202214A (en) 1987-03-10 1987-03-10 Closure

Country Status (1)

Country Link
GB (1) GB2202214A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2208684A1 (en) * 2009-01-19 2010-07-21 Guglielmo Ferrari Air intake valve for containers containing liquid products

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB745446A (en) * 1953-05-05 1956-02-29 Ryecrafts Ltd Improved adjustable stopper means for containers
GB869479A (en) * 1958-11-28 1961-05-31 W & A Gilbey Ltd Vent fitting for liquid containers
GB974297A (en) * 1962-05-25 1964-11-04 Jonkopings Vacuumindustrie Ab Improved closure device for containers
US4007848A (en) * 1975-05-09 1977-02-15 Zapata Industries, Inc. Anti-missiling bottle structure
US4007851A (en) * 1975-05-09 1977-02-15 Zapata Industries, Inc. Anti-missiling bottle closure
GB2029808A (en) * 1978-09-15 1980-03-26 Metal Closures Ltd Closing Containers having Screw-threaded Necks
GB2096979A (en) * 1981-03-05 1982-10-27 Metal Closures Ltd Screw-threaded metal caps

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB745446A (en) * 1953-05-05 1956-02-29 Ryecrafts Ltd Improved adjustable stopper means for containers
GB869479A (en) * 1958-11-28 1961-05-31 W & A Gilbey Ltd Vent fitting for liquid containers
GB974297A (en) * 1962-05-25 1964-11-04 Jonkopings Vacuumindustrie Ab Improved closure device for containers
US4007848A (en) * 1975-05-09 1977-02-15 Zapata Industries, Inc. Anti-missiling bottle structure
US4007851A (en) * 1975-05-09 1977-02-15 Zapata Industries, Inc. Anti-missiling bottle closure
GB2029808A (en) * 1978-09-15 1980-03-26 Metal Closures Ltd Closing Containers having Screw-threaded Necks
GB2096979A (en) * 1981-03-05 1982-10-27 Metal Closures Ltd Screw-threaded metal caps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2208684A1 (en) * 2009-01-19 2010-07-21 Guglielmo Ferrari Air intake valve for containers containing liquid products

Also Published As

Publication number Publication date
GB8705643D0 (en) 1987-04-15

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