EP0904237A1 - Bouchon de recipient et embouchure de recipient - Google Patents

Bouchon de recipient et embouchure de recipient

Info

Publication number
EP0904237A1
EP0904237A1 EP97916298A EP97916298A EP0904237A1 EP 0904237 A1 EP0904237 A1 EP 0904237A1 EP 97916298 A EP97916298 A EP 97916298A EP 97916298 A EP97916298 A EP 97916298A EP 0904237 A1 EP0904237 A1 EP 0904237A1
Authority
EP
European Patent Office
Prior art keywords
closure
container mouth
retaining
auxiliary
container
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
Application number
EP97916298A
Other languages
German (de)
English (en)
Other versions
EP0904237B1 (fr
Inventor
Udo Bösl
Lino Dreyer
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.)
Crown Cork AG
Original Assignee
Crown Cork AG
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 Crown Cork AG filed Critical Crown Cork AG
Publication of EP0904237A1 publication Critical patent/EP0904237A1/fr
Application granted granted Critical
Publication of EP0904237B1 publication Critical patent/EP0904237B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/02—Closing bottles, jars or similar containers by applying caps by applying flanged caps, e.g. crown caps, and securing by deformation of flanges
    • 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
    • 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
    • B65D41/16—Snap-on caps or cap-like covers
    • B65D41/18—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
    • B65D41/185—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics with integral internal sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/22—Closing bottles, jars or similar containers by applying caps by applying snap-on 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/0025—Multi-position closures

Definitions

  • the invention relates to a container closure, a container and a combination of a container closure and a container according to the preamble of the independent patent claims.
  • closures for closing a container are placed in industrial filling systems with a high hourly output on the containers to be closed. Regardless of whether it is a snap or screw closure, the installation processes are essentially the same.
  • the closures are issued by a so-called hopper and placed on the mouths of the rapidly passing containers by a transfer device. In a next process step, depending on the type, the closures are pressed or screwed onto the container mouth.
  • closures Due to the high speed of the passing containers, problems can arise before the closures are firmly attached.
  • the closures can tilt when they are placed on the container mouth or, due to the high speed of the containers, jump off the container mouth before they are pressed on or screwed on.
  • plastic snap locks have been proposed which have flexible tabs on the inside, by means of which the lock can be held on a container mouth. Because of their flexibility, however, these tabs only allow the closure to be held inadequately before it is actually placed on the container mouth; still possible.
  • the object of the invention is to avoid the disadvantages of the known, in particular to create a container closure and / or a container which reliably prevents the container closures from jumping off or tilting in filling systems.
  • the closures and containers according to the invention are also said to be usable without problems in conventional filling plants and to be producible in a rational manner.
  • a closure for a container has a closure base and a closure jacket.
  • Retaining elements are attached to the inside of the sealing jacket and can be brought into engagement with retaining elements at the mouth of the container when the container is closed by the closure.
  • the retaining elements can be (preferably multi-start) threads or retaining beads of a snap lock.
  • the closure jacket also has auxiliary retaining means which can be brought into engagement with the container mouth.
  • the retaining elements at the mouth area of the container are preferably used as retaining means - but it is also conceivable to provide additional retaining means in addition to the retaining elements at the container mouth or to simply lock the closure with the aid of the auxiliary retaining elements to press.
  • the auxiliary retaining elements can be brought into engagement with the container neck and / or its holding means when the closure is placed on the container, before the retaining elements of the closure come into engagement with the retaining elements of the container mouth.
  • the auxiliary retaining elements and the retaining elements each have a stop which can be brought into engagement with a surface of the retaining elements of the container mouth.
  • the position of the closure is thereby limited in a first intermediate position in the axial direction on both sides of the container mouth. It is essential here that the auxiliary restraining means are constructed in such a way that the force required to apply them is less than during the actual closing.
  • auxiliary retaining means If the closure is then screwed on, a pressing force acting on a closure is required for application by means of the auxiliary retaining means and a torque is required for screwing on.
  • the closure can be placed on the container mouth without great effort and is held there before the actual closing process (snapping or screwing) takes place.
  • a construction with such auxiliary restraining means is particularly advantageous in the case of plastic closures with an elastic wall.
  • the auxiliary retaining elements are snapped onto the mouth by elastic deformation of the closure jacket and / or by their own elastic deformation.
  • the stop of the auxiliary restraining means is arranged on its side facing the cap bottom, while the stop of the restraining means is arranged on its side facing away from the cap bottom.
  • the retaining elements of the container mouth lie between the two stops, as a result of which the closed position is limited on both sides in the axial direction.
  • a particularly effective stop of the auxiliary retaining means is achieved when the auxiliary retaining means are formed as a material accumulation on the inside of the sealing jacket. An accumulation of material forms a stop which, in contrast to flexible tabs, effectively opposes the closure jumping off in the intermediate position.
  • a particularly advantageous use of the retaining elements results in combination with snap locks.
  • Such snap fasteners have a circumferential bead on the inside of the fastener jacket and running approximately parallel to the fastener bottom.
  • the bead serving as a retaining element is snapped onto the container mouth via a correspondingly shaped bead when the container is closed.
  • the auxiliary retaining means the snap lock can be placed on the retaining bead of the container mouth with a lower frictional connection during the attachment process before the actual snap-on. This reliably prevents the closure from jumping off or tilting.
  • auxiliary restraint devices in combination with multi-start threads are similarly advantageous as restraint elements.
  • the screw closure provided with auxiliary retention means is snapped onto the multi-start thread and thereby positioned precisely in relation to the thread.
  • the screw cap can then be screwed on or, in the case of a snap-on and unscrewable cap, snapped on.
  • the stop of the multi-start thread is formed by the thread inlet on the side of the thread facing away from the cap bottom.
  • the retaining bead When using snap locks with a shark
  • the retaining bead preferably has interruptions. These interruptions increase the flexibility of the sealing jacket and thereby facilitate the fitting process.
  • a particularly simple embodiment results if projections projecting radially inwards from the inside of the closure jacket are used as auxiliary retention means. These projections can be brought into engagement with the retaining elements of the container mouth, these retaining elements fulfilling the function of the retaining means described above.
  • the projections must be dimensioned in such a way that the force required to overcome the auxiliary restraining means is smaller than the force for the actual closing. This can happen, for example, in that the auxiliary restraint means define a larger inner diameter than the restraint elements.
  • a similar result is achieved with projections that only extend over a small angular range.
  • a particularly favorable exemplary embodiment results if the retaining bead of a snap closure has interruptions, an auxiliary retaining means in the form of a protruding projection being fitted in alignment with one of these recesses.
  • the projections so that they come into engagement with the retaining elements on the container mouth before the retaining bead, must be arranged between the retaining bead and the free end of the closure jacket.
  • the auxiliary retention means are preferably arranged adjacent to the free edge of the closure jacket. This results in a material-saving construction of the closure.
  • the auxiliary Restraint means are preferably arranged axially symmetrically over the circumference of the closure jacket, at least two and preferably approximately four to six auxiliary restraint means in the form of projections being used.
  • auxiliary retaining means which, like the retaining elements, are attached to the inside of the closure jacket and which interact with the retaining elements of a container.
  • auxiliary restraining means which can be brought into engagement with holding means provided specifically for this purpose at the mouth of the container.
  • closures with an inner seal on the inner seal can be provided with auxiliary retaining means which can be brought into engagement with retaining means on the inside of the container mouth.
  • auxiliary retention means can be designed as projections protruding from the outer surface of the container mouth.
  • the projections are arranged between the edge of the container mouth and the retaining elements of the container mouth (ie between a retaining bead or the top of a thread and the edge of the container mouth). So that the force required to apply the auxiliary retaining means is less than the closing force or the closing torque, the auxiliary retaining means (in the preferred embodiment, the outward protruding projections).
  • the projections define an outer diameter on the container mouth which is smaller than the outer diameter defined by the retaining elements of the container.
  • the stop of the auxiliary retaining means of the container mouth is in this case arranged on the side of the projections facing away from the container opening.
  • the stop of the retaining elements of the container mouth is formed by the side of the retaining elements facing the container opening.
  • the size of the adhesion can also be defined by the angular range over which the auxiliary restraint means, i.e. the projections extend. The smaller the segments, the smaller the force required to press them on.
  • the retaining bead should preferably be formed all the way round.
  • the arrangement of recesses would bring no great advantages apart from saving material.
  • the auxiliary retaining means can be arranged as desired in relation to the container in the case of a continuous circumferential retaining bead.
  • auxiliary retaining means are arranged on the closure and / or the container mouth, which are attached to the container with retaining means Container mouth and / or the closure can be brought into engagement.
  • the auxiliary retaining means must engage with the retaining means in an intermediate position before the retaining elements of the closure and the container mouth come into engagement with one another.
  • the retaining elements and the auxiliary retaining means each have a stop which holds the closure in this intermediate position on both sides in the axial direction on the container mouth.
  • the two stops are in the intermediate position on both sides of the holding means and thus limit the axial movement of the closure.
  • the engagement of the auxiliary restraining means should also advantageously be designed in such a way that the force required for the application is less than the closing force or the closing torque.
  • a method for closing a container mouth with a closure the closure is placed on the container mouth in a first step and fastened thereon in an intermediate position.
  • a first press-on force is used to fasten the closure in this intermediate position.
  • the locking position is limited on both sides in the axial direction.
  • the closure is pressed into a second, sealing position with a second pressing force (or a screwing torque).
  • the first contact force is chosen to be smaller than the second contact force.
  • Auxiliary restraint is held in an intermediate position on a container (in cross section),
  • FIG. 2 shows a closure according to FIG. 1, which is firmly placed on a container in a sealing position
  • FIG. 3 shows a bottom view of a closure according to the invention
  • FIG. 4 shows a cross section of a container mouth according to the invention with a closure placed in an intermediate position, in cross section,
  • Figure 5 is a plan view of a container mouth according to the invention.
  • Figure 6 shows a modified embodiment with a multi-start thread.
  • Figure 1 shows a closure 1 according to the invention, which is placed in an intermediate position P1 on a container mouth 8 of a container 2.
  • the closure has a closure base 3 and an attached, downwardly extending closure casing 4.
  • Retaining elements 6 are attached to the inside of the closure jacket 4 and can be brought into engagement with retaining elements 7 on the outside of the container mouth 8.
  • the retaining elements 6 on the inside 5 of the closure jacket 4 are formed by a circumferential bead which runs approximately parallel to the closure base 3.
  • the bead is interrupted by individual interruptions 17, which increase the flexibility of the closure jacket 4.
  • the retaining elements 7 of the container mouth 8 are also formed by a circumferential bead on the outside of the container mouth 8.
  • the closure 1 has auxiliary retaining means 10 on the inside, which can also be brought into engagement with the retaining elements 7 on the container mouth 8.
  • the auxiliary retention means 10 are designed as projections projecting radially inwards from the inside 5 of the closure jacket 4.
  • the auxiliary restraint means have a stop 13 which is arranged on its side facing the cap base 3.
  • the retaining elements 6 have a stop 14 on their side facing away from the cap base 3.
  • the retaining elements 7 of the container mouth 8 lie in the intermediate position P1 between the two stop surfaces 13, 14 of the auxiliary retaining means 10 and the retaining elements 6.
  • the projections are solid, so that the stop 13 enables the closure to be reliably held axially on the container mouth.
  • the closure 1 is held in the intermediate position P1 on the container mouth 8 by the auxiliary retaining means 10.
  • the auxiliary retention means 10, ie the inwardly projecting projections are arranged adjacent to the lower edge of the closure 1, so that when the closure 1 is placed on a container mouth in front of the retention elements 6 it engages with the retention elements 7 of the container mouth 8 to step.
  • the auxiliary retaining means 10 define a free inner diameter that is larger than the free inner diameter defined by the retaining elements 6. The force required to release the auxiliary restraining means 10 is therefore less than the actual closing force.
  • FIG. 2 shows the closure from FIG. 1, which is placed completely on a container mouth 8 in a sealing position P2. Since the retaining elements 6 of the closure 1 define a smaller free inner diameter than the auxiliary retention means 10, the closure 1 in the position shown in FIG. 2 is held more firmly on the container mouth 8 than in the position shown in FIG. The position in Figure 1 only serves to temporarily open the closure to hold the container mouth 8, so that jumping or tilting is avoided. In the position shown in FIG. 1, however, the container is not sealed.
  • the stop 13 of the auxiliary restraining means 10 is no longer required in the sealing position P2.
  • FIG. 3 shows a bottom view of the closure shown in FIGS. 1 and 2.
  • Retaining elements 6 in the form of a circumferential bead are attached to the inside 5 of the closure jacket 4.
  • the bead is interrupted by five interruptions 17, which increases the flexibility and extensibility of the closure jacket 4.
  • An auxiliary restraining means 10 in the form of an inwardly projecting projection is fitted in each of the interruptions 17.
  • the auxiliary restraint means 10 are dimensioned such that the free inside diameter defined by them is smaller than the free inside diameter defined by the restraining elements 6.
  • the five auxiliary restraining means 10 (like the interruptions 17) are distributed axially symmetrically to the closure axis via the closure jacket 4.
  • FIG. 4 shows a further exemplary embodiment with the features of the invention.
  • a container mouth which can be closed with a conventional snap closure has auxiliary retaining means 30 on its upper edge 21.
  • the auxiliary retaining means 30 are designed as projections projecting radially outwards, the outer diameter of which is smaller than the outer diameter defined by the retaining elements 7 of the container mouth 8.
  • the auxiliary restraint means 30 have a stop 34 which is arranged on its side facing away from the container opening.
  • a circumferential bead is used as retaining elements 7, which has a stop 33 on its side facing the container opening.
  • the auxiliary retaining means 30 are attached between the retaining elements 7 and the upper edge 21 of the container mouth 8.
  • FIG. 5 shows a top view of a container mouth 8, in which four auxiliary retaining means 30 in the form of projections projecting outward are arranged axially symmetrically.
  • the auxiliary restraining means 30 define a smaller outer diameter than the restraining elements 7.
  • FIG. 6 shows a further exemplary embodiment of a closure according to the invention on a container mouth 8.
  • a closure with a multi-start thread is shown here.
  • the closure 1 has on its lower edge an auxiliary retaining means 10 which engages with the threads 36 of the container mouth 8 before the threads 16 of the closure come into engagement with the threads 36 of the container mouth 8.
  • the auxiliary restraining means 10 first engage with the uppermost portion of the thread 36 and are held on the container mouth 8 with a relatively low adhesion.
  • the closure 1 can then be screwed tight with conventional screw-on heads or, in the case of a snap-on and unscrewable closure be pushed open.

Landscapes

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

Abstract

L'invention concerne un bouchon à déclic ou un bouchon vissable comportant un filet à pas multiple, qui présente des éléments de retenue auxiliaires (10) lui permettant d'être maintenu dans le sens axial de part et d'autre sur l'embouchure (8) d'un récipient à fermer, avant que les éléments de retenue (6) du bouchon n'entrent en contact avec les éléments de retenue (7) de l'embouchure (8) du récipient et n'obturent de manière étanche l'embouchure (8) du récipient dans une position étanche. La force d'engagement par pression (F1) que requiert la mise en place des éléments de retenue auxiliaires (10) est inférieure à la force de fermeture (F2). Les éléments de retenue auxiliaires (10) évitent au bouchon de sauter ou de se coincer dans une installation de remplissage. L'embouchure (8) du récipient peut également être munie d'éléments de retenue auxiliaires (30), à la place du bouchon. Dans ce cas, il faut utiliser un bouchon traditionnel.
EP97916298A 1996-05-09 1997-04-21 Bouchon de recipient et embouchure de recipient Expired - Lifetime EP0904237B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH1187/96 1996-05-09
CH118796 1996-05-09
CH118796 1996-05-09
PCT/CH1997/000159 WO1997043188A1 (fr) 1996-05-09 1997-04-21 Bouchon de recipient et embouchure de recipient

Publications (2)

Publication Number Publication Date
EP0904237A1 true EP0904237A1 (fr) 1999-03-31
EP0904237B1 EP0904237B1 (fr) 2000-03-01

Family

ID=4204543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97916298A Expired - Lifetime EP0904237B1 (fr) 1996-05-09 1997-04-21 Bouchon de recipient et embouchure de recipient

Country Status (9)

Country Link
EP (1) EP0904237B1 (fr)
AR (1) AR006885A1 (fr)
AT (1) ATE190029T1 (fr)
AU (1) AU2501997A (fr)
CA (1) CA2250886A1 (fr)
DE (1) DE59701183D1 (fr)
ID (1) ID18171A (fr)
MY (1) MY132632A (fr)
WO (1) WO1997043188A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003576C1 (nl) 1996-07-12 1996-08-22 Werkendam Installatiebedr Bv Sterilisator.
KR20070109993A (ko) * 2005-02-07 2007-11-15 가부시키가이샤 유야마 세이사쿠쇼 물약병 캡핑 장치 및 물약병 캡핑 방법
EP2080710A1 (fr) * 2008-01-15 2009-07-22 InBev S.A. Ensemble pour récipient et fermeture
EP2080708A1 (fr) 2008-01-15 2009-07-22 InBev S.A. Fermeture
EP2080709A1 (fr) 2008-01-15 2009-07-22 InBev S.A. Ensemble pour récipient et fermeture
ITVI20080142A1 (it) * 2008-06-13 2009-12-14 Omega S R L Assieme tappo-contenitore per fluidi con chiusura a scatto.
GB201802943D0 (en) * 2018-02-23 2018-04-11 Mead Johnson Nutrition Co Improved flip top plastic lid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1327916A (fr) * 1962-04-13 1963-05-24 Perfectionnements apportés aux capsules de bouchage ou de surbouchage
FR1540082A (fr) * 1967-10-02 1968-09-20 Gen Aniline & Film Corp Boîte en matière plastique
GB2063226B (en) * 1979-11-13 1983-08-10 Ug Closures & Plastics Ltd Closure
DE3006481A1 (de) * 1980-02-21 1981-08-27 Albert Obrist AG, Reinach, Basel Verfahren zum verschliessen einer behaeltermuendung und schraubkappe zur durchfuehrung des verfahrens
DE4208441A1 (de) * 1992-03-17 1993-09-23 Kronseder Maschf Krones Verfahren und vorrichtung zum verschliessen von flaschen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9743188A1 *

Also Published As

Publication number Publication date
AU2501997A (en) 1997-12-05
WO1997043188A1 (fr) 1997-11-20
MY132632A (en) 2007-10-31
ATE190029T1 (de) 2000-03-15
AR006885A1 (es) 1999-09-29
EP0904237B1 (fr) 2000-03-01
DE59701183D1 (de) 2000-04-06
ID18171A (id) 1998-03-12
CA2250886A1 (fr) 1997-11-20

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