EP0433193A1 - Perfectionnement au bouchage de récipients avec capsule de bouchage à vis et à bande de garantie arrachable - Google Patents

Perfectionnement au bouchage de récipients avec capsule de bouchage à vis et à bande de garantie arrachable Download PDF

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Publication number
EP0433193A1
EP0433193A1 EP90420540A EP90420540A EP0433193A1 EP 0433193 A1 EP0433193 A1 EP 0433193A1 EP 90420540 A EP90420540 A EP 90420540A EP 90420540 A EP90420540 A EP 90420540A EP 0433193 A1 EP0433193 A1 EP 0433193A1
Authority
EP
European Patent Office
Prior art keywords
container
closure cap
teeth
angle
capsule
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.)
Withdrawn
Application number
EP90420540A
Other languages
German (de)
English (en)
French (fr)
Inventor
Bernard Schneider
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.)
Albea Tubes France SAS
Original Assignee
Cebal SAS
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 Cebal SAS filed Critical Cebal SAS
Publication of EP0433193A1 publication Critical patent/EP0433193A1/fr
Withdrawn legal-status Critical Current

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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
    • B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
    • B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges

Definitions

  • the invention relates to a container and its closure cap with screw and removable tear strip and more particularly an improvement to the closure of containers comprising a threaded constricted zone allowing the screwing of a closure cap provided with its guarantee strip.
  • a closure cap (2) internally threaded and provided with a guarantee strip (3), made integral with the capsule by bridges (13), and provided on its internal face with ratchet notches (14), on the other hand a container having in its constricted part or its neck (6) in addition to a threaded part (8), a part (9) with ratchet teeth ( 10).
  • the capsule When the container is plugged, before or after the packaging phase, depending on the nature of the container, tube or bottle, the capsule is screwed onto the container neck, the teeth and ratchet notches snapping in so as to allow screwing and preventing unscrewing the cap, except after tearing off the guarantee strip.
  • the relative positioning of all these elements is shown diagrammatically in FIG. 1.
  • the Applicant has manufactured containers and their closure caps with a guarantee strip according to the prior art, more particularly plastic tubes as defined in Example 1 and it encountered difficulties during closure.
  • the problem encountered is the rupture of the bridges (13) connecting the body of the capsule (16) and the guarantee strip (3) during the screwing of the capsule before filling the tube.
  • the Applicant has observed a high rupture rate of up to 20%, which makes this packaging unusable industrially.
  • she observed the presence of tubes which were no longer inviolable since the capsule could be unscrewed without breaking the bridges, which is obviously unacceptable.
  • the characteristic parameters in particular the geometric dimensions, have a certain tolerance which integrates among other things the precision of machining of the production tools, their wear before renewal, etc ... this is what explains that it there may be, all other things being equal, some normal, although undesirable, dispersion in the quality of production.
  • the final quality is too sensitive to normal dispersions of the production parameters, since there are, on the same production batch, satisfactory tubes, tubes with cut bridges and non-inviolable tubes which condemns this type of tube on the industrial level. It has also been envisaged to reinforce the bridges, but the ease of opening, which supposes manual tearing of the guarantee strip without any particular effort or tools such as pliers, has been reduced by the same amount. It is therefore not an acceptable solution either.
  • the Applicant has found a solution to these problems thanks in the first place to a tooth profile allowing screwing under low mechanical stress so as not to cause breakage of the bridges and ensuring the inviolability of the packaging and this, in a reliable manner. on all industrial production.
  • the tooth profile according to the invention allows the end of the tooth to flex under the pressure exerted by the notches during screwing and the end of the tooth to return to its initial position after the passage of the notches. to allow the capsule to be screwed in with little effort and to prevent the capsule from being unscrewed except for voluntary removal of the guarantee strip.
  • This profile can have a pentagonal section with an angle E, forming the end of the tooth, 10 to 30 ° greater than the angle A.
  • the plastic material constituting the flexible teeth (10) is generally less hard or rigid than that of the material constituting the notches (14).
  • the preferred field of the invention is, for the angle A between 15 and 25 °, for the angle B between 25 and 40 ° and for the angle C between 55 and 75 °.
  • FIG. 8 and FIGS. 9 and 10 illustrating the screwing force, expressed by the screwing torque in Ncm, in the case of a tube respectively.
  • each tooth from a mechanical point of view, behaves like a beam embedded over its entire height as well as at its base so that, during screwing, the notches getting closer and closer to the base of the teeth, the flexibility of the latter decreases.
  • tooth profile is the essential means to achieve the object of the invention, there are other means which contribute to achieving this goal.
  • alignment is favored by choosing a closure cap and a container with a threaded neck such that the start of the screwing, with the helical power take-off, precedes the start of the latching, which can be expressed by geometrical considerations: the height of the non-threaded zone (12) of the capsule essentially comprising the guarantee strip, is less than that of the threaded part (8) of the neck, these heights being measured along the axis (17 ) of the tube and the capsule.
  • the threaded part (8) of the neck is extended by a non-threaded cylindrical part (15) of outside diameter slightly less than the inside diameter of the threaded part (11) of the capsule so to maintain the capsule and the neck in a coaxial position.
  • This non-threaded part (15) can have substantially the same height as the threaded part (8).
  • the angle of rotation of the capsule is not high and is between 5 and 20 °.
  • this is obtained for numbers c and d such that their product c ⁇ d is respectively between 360/5 and 360 / 20.
  • an angle of rotation between two passages is chosen.
  • the closure cap used is made of plastic, typically polypropylene, with a guarantee strip (3) in the form of a circular strip, just interrupted between two bridges so as to provide a tear-off primer (21). easily grippable manually and having no protrusion relative to the diameter circumscribed to said circular band. It is common to see on many tamper-evident packaging tabs or other additions, intended to facilitate gripping, which extend beyond the guarantee strip itself.
  • the plastic material constituting the capsule and its guarantee ring is more rigid than that constituting the teeth secured to the neck of the container.
  • the capsule may be made of polypropylene and the teeth as well as the rest of the tube made of polyethylene, the difference in hardness or rigidity of the two materials promoting sealing of the plugging. .
  • the invention also applies to composite containers consisting on the one hand of a hollow body made of metal, glass, rigid plastic, in multilayer metalloplastic material, such as a metalloplastic tube, or also in rigid or flexible multilayer plastic material , such as a pocket, but on the other hand having a shoulder and / or a neck made of plastic, generally a moldable plastic, such as for example polyethylene, which makes it possible to produce the flexible toothing of the invention. More precisely, this toothing is obtained by injection while the extrusion-blowing or injection-blowing methods do not make it possible to obtain the fineness of tooth necessary according to the invention.
  • the invention can also be applied to containers having a neck which does not allow, for reasons of the nature of the material or of the manufacturing process, the formation of flexible teeth.
  • an end piece (20) comprising teeth (10) according to the invention and a thread (8) is attached to the neck or the shoulder of the container and it is made integral by any known means of said neck or shoulder, among these means, mention may be made of overmolding, welding, bonding, and more generally any means ensuring a tight fixing of said tip on the constricted end of the container.
  • the end piece (20) may comprise, in addition to a thread and teeth, a part (15) facilitating the orientation of the capsule during capping or other means intended to facilitate the use of the packaged product.
  • the size of the containers and caps there is no limitation to the invention regarding the size of the containers and caps.
  • the outside diameter of the threaded part of the neck of the container will be between 10 and 80 mm.
  • the advantages of the invention are first of all of an economic nature with the elimination of production losses during plugging according to the prior art, with the ease of plugging which allows an increase in plugging rates, and therefore of productivity.
  • Another advantage of the invention relates to the inviolability and the quality of the products produced: with a torque of passage crossing tooth on notch as low during screwing, and a torque of unscrewing with breakage of bridges as high, the ratio between two can go up to 10, the invention greatly secures the manufacture of inviolable containers.
  • Figure 1 shows a general view of a container and its tamper-evident closure cap allowing the location of the main elements relating to the invention and the prior art.
  • FIG. 2 represents the profile of a tooth according to the invention, in the plane perpendicular to the axis (17).
  • Figures 3-1,2,3 show a closure cap.
  • Figure 3-1 is a top view, making it possible to see the plane I perpendicular to the axis (17), with the circular guarantee strip interrupted between 2 bridges and having a tear-off primer (21), one of the ends being cut in a bevel to facilitate gripping of the other end when tearing off the guarantee strip.
  • Figure 3-2 is a sectional view in the plane of the axis (17).
  • Figure 3-3 is a bottom view, showing the plane 11 perpendicular to the axis (17) and the orientation of the notches: the angle F is 10 ° and the angle G is 75 °.
  • FIG. 4 represents a tube according to the prior art with teeth of substantially triangular profile with clipped end, with an angle H of 75 ° and an angle I of 25 °.
  • Figures 5-1,2,3 illustrate the invention and show a plane of a tube with 5 teeth according to Example 2, in section perpendicular to the axis (17) at the teeth.
  • Figure 5-1 shows the relative position of the teeth and notches with a 5-tooth tube and a screwed 12-notch capsule.
  • Figure 5-3 illustrates the bending of a tooth at the tooth / notch passage.
  • Figure 6 illustrates the invention and shows a sectional plan as in Figure 5-1 of a 6-tooth tube obtained according to Example 3 with the 12-notched screw cap. In this case, there are simultaneously 6 tooth / notch passages.
  • Figures 7-1 and 2 illustrate the attachment of plastic end caps with teeth and thread on an aluminum tube (Figure 7-1) and on a glass bottle ( Figure 7-2).
  • Figure 7-2 the glass bottle is provided with means preventing rotation of the nozzle, once it is attached to the neck of the bottle.
  • FIG. 8 corresponds to the screwing of a 24-tooth tube of Example 1 (prior art) and of a 12-notch capsule with 12 simultaneous tooth / notch passages every 15 °.
  • FIG. 9 corresponds to the screwing of a 5-tooth tube of Example 2 according to the invention and of a 12-notch capsule, with a single tooth / notch passage every 6 °.
  • FIG. 10 corresponds to the screwing of a 6-tooth tube of Example 3 according to the invention and of a 12-notch capsule, with 6 simultaneous tooth / notch passages every 30 °.
  • FIG. 4 An HD polyethylene tube was made, the neck (6) and more particularly the teeth (10) are shown in FIG. 4.
  • the outside diameter of the tube at the teeth is 17 mm at the end of the teeth (a) and 15.7 mm at the bottom of the teeth (b).
  • This tube has 24 teeth with a "clipped" triangular profile with an angle at the top A equal to 50 ° and the two adjacent sides of which form angles of 25 and 75 ° with respect to the tangent T.
  • a polypropylene closure cap suitable for this tube and shown in Figure 3.
  • each notch has 12 notches (14) on the inside periphery of its guarantee strip (3), each notch having a triangular profile with an angle at the top of 65 ° and the two adjacent sides of which form angles of 10 and 75 ° with respect to the tangent T.
  • the internal diameter at the notches is 16.5 mm at the end of the notches and 17.7 at the bottom of the notches.
  • the clearance between capsule and tube is 0.7 mm and the theoretical snap-in before closure is 0.25 mm, ie (17 - 16.5) / 2.
  • the outside diameter of the tube at the teeth is not 17 mm but 16.6 mm: the wear of the teeth at each tooth / notch passage has reduced the outside diameter by 0.4 mm.
  • the latching becomes equal to 0.05 mm, which is undoubtedly insufficient since cases have been observed where the capsule has been able to be unscrewed without causing the bridges to break.
  • the outside diameter of the tube at the teeth is 17.5 mm at the end of the teeth and 15.7 at the bottom of the teeth as in Example 1.
  • the capsule is the same as that described in Example 1.
  • Figures 5-1 and 3 show in plan perpendicular to the axis (17) the snap of the teeth and notches.
  • the clearance between capsule and tube is 0.2 mm and the snap is 0.5 mm.
  • After screwing on the capsule no tooth wear was noted so that the outside diameter of the tube at the teeth remains unchanged.
  • the curve giving the screwing force is in FIG. 9.
  • no bridge break or unscrewable tube was observed without bridge break. If we unscrew in force without having previously torn off the guarantee strip, we cause the sequential rupture of all the bridges with a torque of 50 Ncm.
  • the snap-fastening is shown in FIG. 6 and the screwing effort in FIG. 10. Unscrewing in force without tearing off the guarantee strip causes the bridges to break simultaneously with a torque of up to 60 Ncm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP90420540A 1989-12-15 1990-12-11 Perfectionnement au bouchage de récipients avec capsule de bouchage à vis et à bande de garantie arrachable Withdrawn EP0433193A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8917203A FR2655953B1 (fr) 1989-12-15 1989-12-15 Perfectionnement au bouchage de recipients avec capsule de bouchage a vis et a bande de garantie arrachable.
FR8917203 1989-12-15

Publications (1)

Publication Number Publication Date
EP0433193A1 true EP0433193A1 (fr) 1991-06-19

Family

ID=9388970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90420540A Withdrawn EP0433193A1 (fr) 1989-12-15 1990-12-11 Perfectionnement au bouchage de récipients avec capsule de bouchage à vis et à bande de garantie arrachable

Country Status (10)

Country Link
US (1) US5115932A (fi)
EP (1) EP0433193A1 (fi)
JP (1) JPH04215962A (fi)
CA (1) CA2032249C (fi)
FI (1) FI906188A (fi)
FR (1) FR2655953B1 (fi)
IE (1) IE904511A1 (fi)
IS (1) IS3653A7 (fi)
NO (1) NO905365L (fi)
PT (1) PT96193A (fi)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0711711A1 (en) * 1994-11-09 1996-05-15 Guala Patents B.V. A security closure for bottles and the like
US5740932A (en) * 1994-11-09 1998-04-21 Guala Patents B.V. Security closure for bottles and the like
EP3543163A1 (de) * 2018-03-22 2019-09-25 GFV Verschlusstechnik GmbH & Co. KG Behälter für einen drehverschluss mit originalitätsring

Families Citing this family (20)

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Publication number Priority date Publication date Assignee Title
FR2665142B1 (fr) * 1990-07-27 1994-06-03 Cebal Ensemble d'une capsule de bouchage a vis en matiere plastique a bande de garantie et d'un recipient, et capsule correspondante.
US5111947A (en) * 1990-12-04 1992-05-12 Patterson Michael C Tamper proof cap and container
ES1019001Y (es) * 1991-10-04 1993-03-16 Jose Collado Bonet, S.A. Tapon precinto de manipulacion evidente con gollete doble.
CA2077722A1 (en) * 1992-07-31 1994-02-01 Luca Molinaro Snap on pull off tamper-indicating flexible cap for containers
DE9418851U1 (de) * 1994-11-24 1995-02-09 H & K Mueller Gmbh & Co Kg Zylindrischer Behälter mit Deckel
US6044992A (en) * 1998-06-03 2000-04-04 Portola Packaging, Inc. Ratchets for bottle necks
CA2462148A1 (en) * 2001-10-29 2003-05-08 Hoffmann Neopac Ag Container with a security closure
US20050173367A1 (en) * 2002-07-12 2005-08-11 Philippe Nusbaum Closure device comprising a hinged cap moulded in the closed position
RU2295483C2 (ru) 2002-07-12 2007-03-20 Берикап Укупорочное устройство, содержащее шарнирно прикрепленный колпачок, отформованный в закрытом положении
US20050116382A1 (en) * 2002-07-12 2005-06-02 Philippe Nusbaum Closure device comprising a hinged cap moulded in the closed position
ATE461872T1 (de) * 2004-02-05 2010-04-15 Ibsa Inst Biochimique Sa Tropferflasche
DE102005022952B3 (de) * 2005-05-19 2007-03-29 Khs Ag Kombination eines Originalitäts-Verschlusses mit einer Behälteröffnung
US7581652B2 (en) * 2005-08-09 2009-09-01 Rexam Closure Systems Inc. Tamper-indicating package, and a closure and container for such a package
BR302014001174S1 (pt) 2013-09-18 2015-05-12 Bericap Configuração ornamental aplicada em tampa
FR3015442B1 (fr) 2013-12-24 2016-02-05 Bericap Dispositif de bouchage articule avec indicateur de premiere ouverture
DE102014010164B4 (de) * 2014-07-09 2017-08-24 Al lbtikar Packaging & Investment Co., Ltd. Lebensmittel- und Medikamentenflasche
PL408833A1 (pl) 2014-07-11 2016-01-18 Zakład Przetwórstwa Tworzyw Sztucznych Witoplast Spółka Jawna Nasadka na opakowania, zwłaszcza opakowania produktów kosmetycznych
USD833278S1 (en) 2014-09-03 2018-11-13 Bericap Closure for a container
EP4021816A4 (en) * 2019-08-29 2023-10-11 Rieke LLC COMBINATION OF CHILD-PROOF CLOSURE AND SPOUT
US11059633B2 (en) 2019-10-31 2021-07-13 Cheer Pack North America Flip-top closure for container

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GB2102774A (en) * 1981-07-14 1983-02-09 Montgomery And Son Limited Dan Bottle cap incorporating an anti-tamper tell-tale device
US4848613A (en) * 1987-03-23 1989-07-18 Pano Cap (Canada) Limited Tamper-evident closure cap and container

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415403A (en) * 1966-12-14 1968-12-10 Bennett Ind Inc Closure apparatus
US3650428A (en) * 1970-04-09 1972-03-21 V C A Corp Tamperproof closure device
GB2102774A (en) * 1981-07-14 1983-02-09 Montgomery And Son Limited Dan Bottle cap incorporating an anti-tamper tell-tale device
US4848613A (en) * 1987-03-23 1989-07-18 Pano Cap (Canada) Limited Tamper-evident closure cap and container

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0711711A1 (en) * 1994-11-09 1996-05-15 Guala Patents B.V. A security closure for bottles and the like
US5740932A (en) * 1994-11-09 1998-04-21 Guala Patents B.V. Security closure for bottles and the like
EP3543163A1 (de) * 2018-03-22 2019-09-25 GFV Verschlusstechnik GmbH & Co. KG Behälter für einen drehverschluss mit originalitätsring

Also Published As

Publication number Publication date
FR2655953B1 (fr) 1992-02-21
IS3653A7 (is) 1991-06-16
IE904511A1 (en) 1991-06-19
PT96193A (pt) 1991-09-30
CA2032249C (fr) 1997-06-10
FR2655953A1 (fr) 1991-06-21
FI906188A (fi) 1991-06-16
CA2032249A1 (fr) 1991-06-16
JPH04215962A (ja) 1992-08-06
FI906188A0 (fi) 1990-12-14
US5115932A (en) 1992-05-26
NO905365L (no) 1991-06-17
NO905365D0 (no) 1990-12-12

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