EP1792840B1 - Stopper comprising a hinged cover - Google Patents

Stopper comprising a hinged cover Download PDF

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Publication number
EP1792840B1
EP1792840B1 EP04766929A EP04766929A EP1792840B1 EP 1792840 B1 EP1792840 B1 EP 1792840B1 EP 04766929 A EP04766929 A EP 04766929A EP 04766929 A EP04766929 A EP 04766929A EP 1792840 B1 EP1792840 B1 EP 1792840B1
Authority
EP
European Patent Office
Prior art keywords
stopper
pouring hole
guide
height
sector
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
Application number
EP04766929A
Other languages
German (de)
Spanish (es)
French (fr)
Other versions
EP1792840A1 (en
Inventor
Javier Bernal Ardanaz
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.)
Betapack SA
Original Assignee
Betapack SA
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 Betapack SA filed Critical Betapack SA
Publication of EP1792840A1 publication Critical patent/EP1792840A1/en
Application granted granted Critical
Publication of EP1792840B1 publication Critical patent/EP1792840B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/06Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B65D47/0814Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2547/00Closures with filling and discharging, or with discharging, devices
    • B65D2547/04Closures with discharging devices other than pumps
    • B65D2547/06Closures with discharging devices other than pumps with pouring spouts ot tubes; with discharge nozzles or passages
    • B65D2547/063Details of spouts

Definitions

  • the present invention relates to a cap of the type which has a body provided with a pouring nozzle, whereby the bottle contents can be directly consumed, a nozzle which is usually displaced with respect to the centre of the cap body and which is closed by a stopper established at the top of the cap.
  • Document PCT ES02/00425 relates to a cap with tamper seal, which is constituted from a cylindrical body with coupling means on the corresponding bottleneck of the container which incorporates a pouring nozzle, through which the liquid from the bottle is poured or is directly consumed, a nozzle which is closed by a stopper established for said purpose in the top, articulated to the cap body via a bridge by way of a hinge.
  • a single piece is produced which forms the body and the open top, both joined by a hinge bridge.
  • lateral bending means close the top on the cap body, a manoeuvre wherein it is essential that the stopper is introduced in the pouring hole in a precise manner to avoid permanent deformations thereof.
  • a stopper guide consisting of a cylindrical extension, concentric to the stopper and with markedly greater height than it, a guide which has an internal inclined edge which, in contact with the outer periphery of the pouring hole, encourages the guiding and sliding of the stopper inside the pouring hole.
  • the stopper guide firstly impacts against the sector of its inclined surface farthest from the joint (front sector) on the corresponding section of the opening, to progressively increase the surface in contact between the guide and the opening as the top is bent downwards, until it makes contact with the inclined surface of the guide closest to the joint, rear sector, with the corresponding sector of the opening.
  • the initial contact of the front sector of the guide on the opening of the pouring hole determines the gradual positioning of the stopper towards the inside of the pouring hole.
  • the problem arises as a consequence of the ratio between the height of the guide and the height of a stopper being reduced, and that during the progressive sliding of the front sector of the guide in contact with the opening of the pouring hole it is not achieved that the stopper crosses said opening, coming to contact therewith instead of entering the pouring hole, becoming deformed.
  • Document EP-A-1 364 886 which is regarded as the closest prior art and upon which the preamble of claim 1 is based, discloses a cap with a hinged top and an excentric pouring hole.
  • the cap with hinged top which constitutes the object of this invention resolves the aforementioned problem satisfactorily by an optimized design of the stopper guide.
  • the cap after being produced by injection, consists of a body wherefrom there protrudes a pouring hole, out of phase in the upper part, and a hinged top which has said sealing guide which fits inside the pouring hole.
  • the sealing guide in accordance with the design proposed by the invention, favours, in the phase of bending the top towards the body of the cap, still hot after its production by injection, the progressive guiding of the stopper of the top and its subsequent positioning inside the pouring hole, avoiding any unwanted contact during the bending between said stopper and the opening of the pouring hole and, in consequence, any possible deformation of the stopper.
  • the sealing guide is devised with a general cylindrical configuration sectioned by an inclined plane which defines a height of the sealing guide which is progressively decreasing between a front sector of greater height, far from the hinge, and a subsequent section of less height, beside the hinge.
  • the height of the guide, in its highest sector is markedly greater than that of the conventional guides, in the order of 2 1 ⁇ 2 to 3 times the height of the stopper.
  • the height provided for the front sector permits that the guide comes into contact at an earlier point with the external inclined surface of the pouring hole, so that the stopper is positioned with respect to the pouring hole in a position distant from and above said pouring hole and, therefore, with greater margin of manoeuvre with respect to the opening, facilitating its progressive approximation and the perfect coupling of both elements
  • the reduced height of the rear sector of the stopper guide means that it practically does not intervene in the bending movement, the front sector of the guide being that which contacts with the outer surface of the pouring hole, guiding the stopper towards the inside of the pouring hole.
  • the cap with hinged top which constitutes the object of this invention, fundamentally consists of a piece produced after the injection process, which is formed by a body (1) provided with a pouring hole (5), decentred, and a top (2) articulated to the body (1), via a hinge bridge (6), a top which has on its lower surface a stopper (3), which fits inside the pouring hole (5) in the closed position of the top, to obtain the necessary watertightness, and a stopper guide (4), concentric and outside the stopper (3).
  • the stopper guide (4) shows a cylindrical configuration, sectioned by an inclined plane which defines a height of the stopper guide which is variable and progressive, which is of maximum height in the sector (4b) farthest from the hinge area, and at minimum height in the sector (4a) closest to the hinge area.
  • the height of the guide in sector (4b) is markedly greater than the height of the conventional guides, as in this case it is 2 1 ⁇ 2 to 3 times more than the height of the stopper.
  • This configuration allows the stopper guide (4) to come into contact with the pouring hole (5), via sector (4b) in a position wherein the stopper is greatly above and distant from the pouring hole, which allows a greater path to face one another and slide in said pouring hole.
  • the guide (40) had a homogenous height, contacting with the pouring hole (50) in a position of the top (20) with little margin for manoeuvre for the introduction of the stopper in the pouring hole (50) of the body (10).
  • the new morphology of the stopper guide gives the manoeuvre of the cap closure greater scope and margin of distances for the coupling, without damaging contact, between the stopper and the pouring hole.

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

Abstract

The invention relates to a stopper comprising a hinged cover. According to the invention, the hinged cover (2), which is articulated to the body (1) of the stopper, is produced as a single piece using an injection process, in which the cover (2) is folded while hot towards the body (1) in order to fit a plug (3) of the cover (2) inside the pour spout (5) of the body of the stopper. In addition, an annular cylindrical guide (4) is disposed concentrically around the plug (3) and is divided by an inclined plane which defines a progressively-decreasing height between a taller rear segment (4b) and a smaller front segment (4a). The aforementioned rear segment (4b) forms the first contact with the outer surface of the pour spout (5) in order to guide and position the plug (3) progressively inside the spout (5) when the cover (2) is being folded.

Description

    OBJECT OF THE INVENTION
  • The present invention relates to a cap of the type which has a body provided with a pouring nozzle, whereby the bottle contents can be directly consumed, a nozzle which is usually displaced with respect to the centre of the cap body and which is closed by a stopper established at the top of the cap.
  • It is an object of the invention to optimize the design of the sealing elements of the top of the cap in order to improve the bending and mounting conditions thereof on the cap body after the injection production of the open cap in a single piece which constitutes the top, the body and the articulation hinge between both.
  • BACKGROUND OF THE INVENTION
  • Document PCT ES02/00425 relates to a cap with tamper seal, which is constituted from a cylindrical body with coupling means on the corresponding bottleneck of the container which incorporates a pouring nozzle, through which the liquid from the bottle is poured or is directly consumed, a nozzle which is closed by a stopper established for said purpose in the top, articulated to the cap body via a bridge by way of a hinge.
  • During the injection processing of the cap, a single piece is produced which forms the body and the open top, both joined by a hinge bridge. Once the piece is injected and before the expulsion from the cap body mould, lateral bending means close the top on the cap body, a manoeuvre wherein it is essential that the stopper is introduced in the pouring hole in a precise manner to avoid permanent deformations thereof.
  • Indeed, due to the fact that the plastic is still hot, it is essential to perfectly guide said stopper in the closing or bending movement, since, otherwise the stopper would impact against the outer inclined surface of the pouring hole, which may cause the deformation of the stopper and with it the loss of watertightness.
  • To guide the stopper towards the pouring hole during the bending of the top, it is designed to be provided with a stopper guide, consisting of a cylindrical extension, concentric to the stopper and with markedly greater height than it, a guide which has an internal inclined edge which, in contact with the outer periphery of the pouring hole, encourages the guiding and sliding of the stopper inside the pouring hole.
  • The stopper guide firstly impacts against the sector of its inclined surface farthest from the joint (front sector) on the corresponding section of the opening, to progressively increase the surface in contact between the guide and the opening as the top is bent downwards, until it makes contact with the inclined surface of the guide closest to the joint, rear sector, with the corresponding sector of the opening.
  • The initial contact of the front sector of the guide on the opening of the pouring hole determines the gradual positioning of the stopper towards the inside of the pouring hole. The problem arises as a consequence of the ratio between the height of the guide and the height of a stopper being reduced, and that during the progressive sliding of the front sector of the guide in contact with the opening of the pouring hole it is not achieved that the stopper crosses said opening, coming to contact therewith instead of entering the pouring hole, becoming deformed.
  • On the other hand, we cannot have excessive height with respect to the height of the stopper, since the case could arise that during the bending of the top, the rear sector of the guide contacts prematurely with the body of the pouring hole constituting a lever point which would oblige the reduction in the curvature of the bending trajectory of the top making the stopper impact against the opening, becoming deformed.
  • Document EP-A-1 364 886 , which is regarded as the closest prior art and upon which the preamble of claim 1 is based, discloses a cap with a hinged top and an excentric pouring hole.
  • DESCRIPTION OF THE INVENTION
  • The cap with hinged top which constitutes the object of this invention resolves the aforementioned problem satisfactorily by an optimized design of the stopper guide.
  • The cap, after being produced by injection, consists of a body wherefrom there protrudes a pouring hole, out of phase in the upper part, and a hinged top which has said sealing guide which fits inside the pouring hole. The sealing guide, in accordance with the design proposed by the invention, favours, in the phase of bending the top towards the body of the cap, still hot after its production by injection, the progressive guiding of the stopper of the top and its subsequent positioning inside the pouring hole, avoiding any unwanted contact during the bending between said stopper and the opening of the pouring hole and, in consequence, any possible deformation of the stopper.
  • The sealing guide is devised with a general cylindrical configuration sectioned by an inclined plane which defines a height of the sealing guide which is progressively decreasing between a front sector of greater height, far from the hinge, and a subsequent section of less height, beside the hinge. Likewise, the height of the guide, in its highest sector, is markedly greater than that of the conventional guides, in the order of 2 ½ to 3 times the height of the stopper.
  • The height provided for the front sector, more than that commonly used in previous embodiments, permits that the guide comes into contact at an earlier point with the external inclined surface of the pouring hole, so that the stopper is positioned with respect to the pouring hole in a position distant from and above said pouring hole and, therefore, with greater margin of manoeuvre with respect to the opening, facilitating its progressive approximation and the perfect coupling of both elements
  • The reduced height of the rear sector of the stopper guide means that it practically does not intervene in the bending movement, the front sector of the guide being that which contacts with the outer surface of the pouring hole, guiding the stopper towards the inside of the pouring hole.
  • This optimizes the closure of the top on the cap body and the perfect guiding of the stopper towards the inside of the pouring hole, avoiding permanent deformations of the stopper by contact or collision with the pouring hole surface.
  • DESCRIPTION OF THE DRAWINGS
  • To complement the description being made, and in order to aid towards a better understanding of the characteristics of the invention, in accordance with an example of preferred embodiment thereof, a set of drawings is attached as an integral part of said description wherein, with illustrative and non-limitative character, the following has been represented:
  • Figure 1.
    Shows a view of a cap with hinged top belonging to the state of the art wherein the little margin of manoeuvrability of the stopper in its position with respect to the inside of the pouring hole during the bending of the top is observed, verifying the high probability of contact between the stopper and the opening and, therefore, the possible deformation of said stopper.
    Figure 2.
    Shows a view of the cap with hinged top object of this invention in open position.
    Figure 3.
    Shows a view of the cap with hinged top in the position wherein the sliding contact between the guide and the pouring hole begins.
    PREFERRED EMBODIMENT OF THE INVENTION
  • The cap with hinged top, which constitutes the object of this invention, fundamentally consists of a piece produced after the injection process, which is formed by a body (1) provided with a pouring hole (5), decentred, and a top (2) articulated to the body (1), via a hinge bridge (6), a top which has on its lower surface a stopper (3), which fits inside the pouring hole (5) in the closed position of the top, to obtain the necessary watertightness, and a stopper guide (4), concentric and outside the stopper (3).
  • As is observed in figures 2 and 3, the stopper guide (4) shows a cylindrical configuration, sectioned by an inclined plane which defines a height of the stopper guide which is variable and progressive, which is of maximum height in the sector (4b) farthest from the hinge area, and at minimum height in the sector (4a) closest to the hinge area. The height of the guide in sector (4b) is markedly greater than the height of the conventional guides, as in this case it is 2 ½ to 3 times more than the height of the stopper.
  • This configuration allows the stopper guide (4) to come into contact with the pouring hole (5), via sector (4b) in a position wherein the stopper is greatly above and distant from the pouring hole, which allows a greater path to face one another and slide in said pouring hole.
  • Previously, in the case of the cap depicted in figure 1, belonging to the state of the art, the guide (40) had a homogenous height, contacting with the pouring hole (50) in a position of the top (20) with little margin for manoeuvre for the introduction of the stopper in the pouring hole (50) of the body (10).
  • The new morphology of the stopper guide gives the manoeuvre of the cap closure greater scope and margin of distances for the coupling, without damaging contact, between the stopper and the pouring hole.

Claims (1)

  1. Cap with hinged top, of the type which is constituted from a piece produced by injection of plastic material, determining a body (1) provided with an excentric pouring hole (5), and a top (2) articulated to the body (1), via a hinge bridge (6), a top which has on its lower surface a stopper (3) which fits inside the pouring hole (5) in the closed position of the top and a stopper guide (4), concentric and external to the stopper (3), and showing a cylindrical configuration, characterized in that the stopper guide (4) is sectioned by an inclined plane which defines a height of the stopper guide (4) which is variable and progressive, which is of maximum height in the sector (4b) farthest from the hinge zone, the height of the sector (4b) being in the order of 2 ½ to 3 times that of the stopper (3), and of a minimum height in the sector (4a) closest to the hinge area, the contact with the pouring hole beginning via the sector (4b), farthest from the hinge zone, so that when the stopper contact begins (3) it is in a position clearly above and distanced from the pouring hole, which will allow the correct opposition between both parts and their perfect coupling.
EP04766929A 2004-09-06 2004-09-06 Stopper comprising a hinged cover Expired - Lifetime EP1792840B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2004/000391 WO2006042868A1 (en) 2004-09-06 2004-09-06 Stopper comprising a hinged cover

Publications (2)

Publication Number Publication Date
EP1792840A1 EP1792840A1 (en) 2007-06-06
EP1792840B1 true EP1792840B1 (en) 2008-02-27

Family

ID=36202693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04766929A Expired - Lifetime EP1792840B1 (en) 2004-09-06 2004-09-06 Stopper comprising a hinged cover

Country Status (9)

Country Link
US (1) US20080041866A1 (en)
EP (1) EP1792840B1 (en)
CN (1) CN100548825C (en)
AR (1) AR050729A1 (en)
BR (1) BRPI0419026B1 (en)
ES (1) ES2300818T3 (en)
MX (1) MX2007002745A (en)
PT (1) PT1792840E (en)
WO (1) WO2006042868A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200481095Y1 (en) * 2014-12-18 2016-08-23 정세원 Cap of container
US20200180819A1 (en) * 2017-08-31 2020-06-11 Betapack, S.A.U. Cap for Containers with Improved Sealing
EP3749585B1 (en) * 2017-12-15 2023-09-13 Husky Injection Molding Systems Ltd. Closure cap for a container
JP7370168B2 (en) * 2019-04-26 2023-10-27 株式会社吉野工業所 cap

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Also Published As

Publication number Publication date
MX2007002745A (en) 2007-04-27
ES2300818T3 (en) 2008-06-16
PT1792840E (en) 2008-05-09
BRPI0419026A (en) 2007-12-11
CN100548825C (en) 2009-10-14
US20080041866A1 (en) 2008-02-21
EP1792840A1 (en) 2007-06-06
WO2006042868A1 (en) 2006-04-27
BRPI0419026B1 (en) 2016-05-31
CN101014510A (en) 2007-08-08
AR050729A1 (en) 2006-11-15

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