EP2648983B1 - Bottle neck structure and relative cap made of plastic material, particularly for water and beverages - Google Patents

Bottle neck structure and relative cap made of plastic material, particularly for water and beverages Download PDF

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Publication number
EP2648983B1
EP2648983B1 EP11815850.0A EP11815850A EP2648983B1 EP 2648983 B1 EP2648983 B1 EP 2648983B1 EP 11815850 A EP11815850 A EP 11815850A EP 2648983 B1 EP2648983 B1 EP 2648983B1
Authority
EP
European Patent Office
Prior art keywords
neck
bottle
relief
cap
relative
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.)
Not-in-force
Application number
EP11815850.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2648983A1 (en
Inventor
Marco Cerracchio
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.)
SUPERCAP Srl
Original Assignee
SUPERCAP Srl
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 SUPERCAP Srl filed Critical SUPERCAP Srl
Publication of EP2648983A1 publication Critical patent/EP2648983A1/en
Application granted granted Critical
Publication of EP2648983B1 publication Critical patent/EP2648983B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B65D1/0246—Closure retaining means, e.g. beads, screw-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
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • 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
    • 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
    • B65D41/325—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 with integral internal sealing means
    • 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
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges

Definitions

  • the invention relates to a bottle neck structure and relative cap as set forth in the preamble of claim 1, the basis of which is disclosed in US 2002/0043512 A1 or in US 2009/0283494 A1 .
  • the bottling companies are provided with preforms made of plastic material, usually, constituted by a tubular apically closed structure and by an open neck.
  • Such preforms are subjected to blowing compressed air thereinto, once brought to a suitable degree of heat deformability, under whose constancy the tubular structure is deformed to provide the specific bottle configuration, provided by the mould in which the blowing occurs, which will then be filled by the liquid it is intended to contain.
  • the capacity and shape of the tubular structure are fundamental for the final characteristics of the blown container and the respective parameters are intangible to attain containers suitable for the intended purposes, especially regarding deformation due to the pressure of the contained liquid and handling during the emptying and generally use by the end user.
  • the neck remains unvaried under blowing constancy and thus also the relative thread, i.e. the entirety of the transverse reliefs which are present thereon and which guarantee the possibility of fastening to a type of cap made of plastic material, typically made of HDPE (polyethylene) or PP (polypropylene).
  • HDPE polyethylene
  • PP polypropylene
  • the main object of the present invention is therefore, in the previously described context, to provide an innovative neck structure and relative cap for bottles made of plastic material, especially for holding water and beverages, capable of allowing lightening the weight of the structure as much as possible, without deteriorating the functionalities not even in the use for holding carbonated beverages.
  • Another object of the present invention is to attain the aforementioned object through a solution concept capable of also allowing reducing the height (the axial development) of the neck.
  • Another object of the present invention is to attain the aforementioned objects through a solution concept having a corollary of embodiments coherent with the aforementioned objects.
  • a further object of the present invention is to attain the previous objects through a solution concept that is simple and efficient, safe during use and relatively inexpensive considering the results practically obtained therewith.
  • the neck 1 of a bottle 3 made of plastic material according to the present invention particularly intended to hold water or even carbonated beverages, which will be described using the orientation terms of "high” and “low” with reference to the usual upright positioning of a container thus made on the relative base (not illustrated).
  • the bottle 3 is preferably made using PET (polyethylene terephthalate) or PVC (polyvinyl chloride), while the relative cap 2 is preferably made of HDPE (polyethylene) or PP (polypropylene).
  • the turns of the arched helical concavity or screw are mutually adjacent to define crests 5, as sharp as possible.
  • the outer face 8 of the top annular edge 7 defining the opening 6 of the neck 1 is coplanar or, preferably, circumferentially sub-levelled with respect to the bottom of the arched helical concavity 4, with the aim of introducing the female screw 15 of the cap 2, as described hereinafter.
  • annular relief 9 with straight trapezoidal section, with inclined free side 10 and facing upwards.
  • the groove 12 is delimited at the lower part by a disc-shaped annular relief 13, for automatically handling the bottle 3 during filling and packaging, defined by adjacent lobes 14 (see figure 4 ).
  • the cap 2 is constituted by a cylindrical plane capsule 2, with an upper closure top part 16 and annular edge 17 defining the opening, within which there projects a female screw 15 with spiral of the arc-shaped convex thread in a convex manner, accurately complementary to the concavity 4 of the helical element of the neck 1, i.e. with arcature preferably not exceeding 120° (one hundred and twenty nonagesimal degrees).
  • the interior of the cap 2 is divided by a pronounced annular partition element 18, with relief 19 on the relative outer face, and by a smaller outer annular partition element 20, between which there is defined a circular interspace 21, whose bottom 22 is shaped degrading from the outer annular partition element 20 towards the annular partition element 18, for the purposes to be described hereinafter.
  • beverage-breaking when the beverage is carbonated, to a point that considering greater presence of gas, i.e. a greater pressure beneath the top part 16 of the cap 2 and potentially exposed to the risk of the crests 5 being broken by the part of the female screw 15 of the cap 2, i.e. the so-called "bead-breaking", correspond to a greater radial expansion of the neck 1 and thus a greater coupling between the elements, which is opposed to the bead-breakage of the crests 5 by the female screw 15, in a manner directly proportional to the pressure of the gas.
  • the firm anchoring allows reducing the screw 4 and female screw turns and thus the height of the neck 1 and the cap 2, thus allowing further saving the constituting material.
  • the bottle neck structure and relative cap made of plastic materials according to the present invention may be obtained using equivalent technical and mechanical materials using actuators of any type suitable for the purpose or provided with further supplementary solutions, same case applying to all configurations of the respective components which may vary to suit the purpose.
  • the annular relief underlying the arched thread on the bottle neck can be conceived notched with low relief, with the aim of attaining three objectives: facilitating the dispersion of gases released during the opening, saving weight and abutment of interior part of the security guarantee seal during unfastening, seal with notch preferably less close, so as to facilitate the breakage of the teeth that couple the seal to the cap and will have a smaller diameter due to the fact that the threads with low reliefs obtained in the neck structure reduce the diameter of the cap structure.
  • the bottle neck structure and relative cap made of plastic material according to the present invention offers advantages corresponding to the attainment of the preset objects as well as other objects:
  • the arched grooves create a rib on the neck structure increasing the resistance and reducing the weight.
  • the polymer structure is arranged so as to be less transparent to the gases; the neck in such machining does not attain this structural advantage and remains unvaried after the injection moulding, thus attaining a lower height of the neck also attains the advantage of a lower loss of carbonation of the liquids held therein, as well as greater duration of the stocked products, with good quality advantages and thus those of the image of the product as well as good advantages in the production and distribution logistics.
  • the lower height of the neck structure reduces the interior surface at contact with the liquids and subjected to the thrust stresses of the interior gases.
  • the arched grooves increase the contact surface with the thread of the cap, providing a greater interaction with respect to the relief thread according to the prior art which, on the contrary, does not counter the thread, given that it is parallel and conical over the entire surface; in other words, by frontally abutting the arched female screw of the cap, the arched screw of the neck, the cap is subjected to stress in the portion of relative greater thickness, so that the stress is uniformly distributed on the structure thereof.
  • the neck structure according to the invention subjects the interior of the fitting cap that surrounds it in the arched threads area a thickness that is added to the thickness of the structure on the circular wall and the arched threads being very close, i.e. the cap having a small height, smaller than that of the caps according to the prior art, they reinforce the entire circumference of the cap, creating a belt effect that is more resistant to the neck structure, to the thrust effect of the pressure of the liquids held in the bottle.
  • the annular relief underlying the arched thread on the bottle neck intended to interact with the security seal, co-diametrically at the lower part associated to the cap, has a smaller diameter with respect to the homologous ones according to the prior art, in that the concave arched threads obtained in the neck structure reduce the diameter of the cap structure.
  • the annular relief for automatically handling the bottle underlying the seat of the security seal, due to the lobe-like configuration thereof, has a greater reinforcement rib,, constituted by the lobes, a lower thickness and a lower inclination angle of the upper part, thus saving in terms of weight.
  • the inlet edge preferably having smaller diameter and possibly greater width with respect to the concave arched threads obtained in the neck structure, facilitates the direction of insertion of the cap by the user when closing the container if the product is not finished, thus facilitating the coupling of the female screw of the cap with the concave arched threads obtained in the neck structure of the bottle.
  • the inlet edge of the bottle neck preferably having a greater thickness, equivalent to the height, with respect to the concave arched threads obtained in the neck structure, distributes the overlaying weights during paletisation and storage or transport, discharging the weights on the structure of the bottle and without interfering with the edges of the grooves of the relief thread.
  • the concave arched threads obtained in the neck structure constitute a concept of screw that is inexpensive to produce, hence allowing providing only one type of preform both for the carbonated products and for non-carbonated products, with a less expensive cap for the second, also attaining a considerable productive advantage of eliminating the times required to change the preform upon the variation of the liquid bottled in the automatic operation lines.
  • the bottle neck structure and relative cap made of plastic material according to the present invention considering the reduction of the relative vertical development, also attains a greater reinforcement from the interior annular partition element of the cap, which reinforces the neck up to the level of the rear area at the concave arched threads obtained in the very neck structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)
EP11815850.0A 2010-12-09 2011-12-08 Bottle neck structure and relative cap made of plastic material, particularly for water and beverages Not-in-force EP2648983B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPS2010A000028A IT1403118B1 (it) 2010-12-09 2010-12-09 Struttura di collo di bottiglia e relativo tappo in materiali plastici, particolarmente per acque e bibite.
PCT/EP2011/072231 WO2012076664A1 (en) 2010-12-09 2011-12-08 Bottle neck structure and relative cap made of plastic material, particularly for water and beverages

Publications (2)

Publication Number Publication Date
EP2648983A1 EP2648983A1 (en) 2013-10-16
EP2648983B1 true EP2648983B1 (en) 2016-03-02

Family

ID=43737233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11815850.0A Not-in-force EP2648983B1 (en) 2010-12-09 2011-12-08 Bottle neck structure and relative cap made of plastic material, particularly for water and beverages

Country Status (6)

Country Link
US (1) US20130299445A1 (ru)
EP (1) EP2648983B1 (ru)
CN (1) CN103402878A (ru)
IT (1) IT1403118B1 (ru)
RU (1) RU2013131264A (ru)
WO (1) WO2012076664A1 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104709534B (zh) * 2013-12-11 2017-08-08 赫斯基注射器成型系统有限公司 互补的容器颈部及其配置方法
FR3019148B1 (fr) * 2014-03-26 2016-03-25 Ardagh Mp West France Contenant metallique comportant un goulot adapte a recevoir un element d'obturation du type capsule a vis
US11628288B1 (en) * 2014-07-14 2023-04-18 Merit Medical Systems, Inc. Disinfecting cap for needleless injection sites
CH710295A1 (de) * 2014-10-29 2016-04-29 Alpla Werke Alwin Lehner Gmbh & Co Kg Streckgeblasener Kunststoffbehälter, insbesondere Kunststoffflasche, zur Kompensation von Volumensänderungen des Füllguts.
CA2978581C (en) * 2015-03-04 2020-07-28 Specialty Lubricants Corp. Packaging closure adapter
WO2018140284A1 (en) 2017-01-27 2018-08-02 Merit Medical Systems, Inc. Disinfecting luer cap and method of use
US20190062007A1 (en) * 2017-08-31 2019-02-28 Silgan White Cap LLC Closure With Angled Plug Seal
US11059633B2 (en) 2019-10-31 2021-07-13 Cheer Pack North America Flip-top closure for container
US12054304B2 (en) 2022-06-03 2024-08-06 Abbott Laboratories Reclosable plastic bottle with waist and strengthening rib(s)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391926A2 (fr) * 1976-02-03 1978-12-22 Grussen Jean Capsule de bouchage a vis a etancheite amelioree et moule de fabrication
CN1027532C (zh) * 1991-09-17 1995-02-01 精密阀门(澳大利亚)有限公司 用于碳酸饮料容器的无衬密封件
US5560504A (en) * 1993-03-24 1996-10-01 Molinaro; Luca Snap on pull off tamper indicating flexible cap and neck configuration
US6536616B2 (en) * 1995-02-09 2003-03-25 Portola Packaging, Inc. Container neck finish and method and apparatus for forming same and cap for use thereon
JPH10203551A (ja) * 1997-01-22 1998-08-04 Kishimoto Akira 密封容器
FR2779127B1 (fr) * 1998-06-02 2000-07-13 Crown Cork & Seal Tech Corp Dispositif muni d'un bouchon a vis destine a un emballage
DE60044802D1 (de) 1999-10-14 2010-09-23 Citizen Holdings Co Ltd Elektronische uhr
EP1679267B1 (en) * 2004-12-16 2011-03-30 Japan Crown Cork Co. Ltd. Plastic cap featuring excellent sealing and venting
CA2592067A1 (en) * 2004-12-23 2006-06-29 Abacus (C.I.) Limited As Trustee Of The Bayview Trust Tamper-evident closure and bead on container neck
FR2899567B1 (fr) * 2006-04-07 2010-08-13 Eaux Minerales D Evian Saeme S Systeme de fermeture pour recipient
US8016148B2 (en) * 2006-07-12 2011-09-13 Rexam Beverage Can Company Necked-in can body and method for making same
US20090283494A1 (en) * 2008-05-14 2009-11-19 Tablecraft Products Company Easy clean refillable bottle and dispensing cap

Also Published As

Publication number Publication date
RU2013131264A (ru) 2015-01-20
WO2012076664A1 (en) 2012-06-14
ITPS20100028A1 (it) 2012-06-10
EP2648983A1 (en) 2013-10-16
CN103402878A (zh) 2013-11-20
IT1403118B1 (it) 2013-10-04
US20130299445A1 (en) 2013-11-14

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