EP1399366A1 - Dispositif de fermeture dote d'un perforateur - Google Patents

Dispositif de fermeture dote d'un perforateur

Info

Publication number
EP1399366A1
EP1399366A1 EP02727153A EP02727153A EP1399366A1 EP 1399366 A1 EP1399366 A1 EP 1399366A1 EP 02727153 A EP02727153 A EP 02727153A EP 02727153 A EP02727153 A EP 02727153A EP 1399366 A1 EP1399366 A1 EP 1399366A1
Authority
EP
European Patent Office
Prior art keywords
piercer
cutting
closure device
displacement
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
EP02727153A
Other languages
German (de)
English (en)
Other versions
EP1399366B1 (fr
Inventor
Werner Fritz Dubach
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.)
Bericap Holding GmbH
Original Assignee
Terxo 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 Terxo AG filed Critical Terxo AG
Publication of EP1399366A1 publication Critical patent/EP1399366A1/fr
Application granted granted Critical
Publication of EP1399366B1 publication Critical patent/EP1399366B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B65D5/748—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being left inside the container after the opening
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0037—Intermediate closure(s)
    • B65D2251/0056—Intermediate closure(s) of the 47-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • B65D2251/0096—Membrane integral with the container

Definitions

  • the present invention relates to a closure device made of plastic, which can be attached over a pierceable point of a closed container and consists of a bung-shaped lower part with a cylindrical pouring spout which is connected or can be connected to the container, and a screw cap which can be pushed onto the lower part, and a cylindrical piercer, which is open on both sides in the axial direction and is displaceably mounted in the lower part, means being provided in the screw cap which move the piercer downwards in a helical manner when the screw cap is unscrewed for the first time.
  • Closure devices made of plastic consisting of the three parts, as described above, namely a bung-shaped lower part with a cylindrical pouring spout, a cylindrical piercer movable therein and a screw cap, which has means for moving the piercer, are known in a wide variety of design variants.
  • Such closure devices are on calibration packaging containers attached.
  • the containers consist of multilayer films, which usually have one or more paper or cardboard layers, one or more plastic film layers and at least one barrier layer, for example made of aluminum.
  • the packaging has correspondingly punched piercing points.
  • only the innermost, compact plastic film layer and the aluminum layer have to be severed according to the puncturer of the closure device.
  • Screw cap a backdrop-like screw line is mounted centrally on an inner wall, while the piercer has a similar counter-rotating thread, while at the same time the piercer is provided with cams that prevent rotation relative to the pouring spout.
  • WO 99/62776 also has a practically identical solution
  • Guide cam runs, the guide cam in axial engage extending grooves, while at the same time the piercer has an internal thread which interacts with a central ring wall in the screw cap, the central wall having an external thread. At the same time, there is a threaded connection between the screw cap and the pouring spout.
  • WO 95/05996 International Paper Company shows a closure device in which the push-through is not just one translatory movement but a screwing movement.
  • the piercer has an external thread which engages in an internal thread in the pouring spout.
  • the piercer can be set into a corresponding screwing movement by means of driving means in the screw cap. If the screw cap is unscrewed, the piercer simultaneously moves downwards into the container to be opened.
  • the piercer also has a large number of perforation teeth along its lower edge.
  • the teeth dig into areas of the packaging that are not pre-punched. This not only requires considerably more force, but at the same time there is no perforation of the film at all, but there is a pure pulling movement on the film. While foils mostly react sensitively to perforations, most foils are extremely resistant to tensile forces.
  • Figure 1 is a vertical section through the closure device in the assembled state on a container before the first opening
  • Figure 2 the same closure device after the first opening with unscrewed screw cap again in the assembled state in a diametrical vertical section.
  • Figure 3 shows the piercer in the manufacturing position integrally connected to the lower part again as a diametrical vertical section
  • Figure 4 shows the closure device in the assembled state in the position of use, only the packaging being shown partially cut.
  • FIG. 6 shows schematic cutting and bending plans for two different displacement angles ⁇ .
  • the lower part 2 has a cylindrical pouring spout 20 which terminates in a lower flange 21 and has an internal thread 22 and an external thread 23.
  • the flange 21 is used for the adhesive connection to the container B.
  • This container consists of a multilayer, made of foils
  • Pre-punch V has, which at least partially penetrates one or more layers and thus defines a target opening. To open the container B, the multilayer film in the region of the pre-punching V must therefore still be completely cut.
  • Lower part 2 can on the multilayer film of the container
  • the pre-punching V defines a circular area that has to lie within the opening of the cylindrical pouring spout 20.
  • the diameter of the pre-cut V is a few percent smaller than the diameter of the pouring spout 20. On the other hand, the diameter of the pre-cut V corresponds almost exactly to the diameter of the piercer 3 or
  • the internal thread 22 of the cylindrical pouring spout 20 is a coarse thread. This means that on the one hand the thread height is relatively large and the thread has a high pitch. Consequently, a rotation of around 360 ° or less already
  • the push-through 3 is actuated by means of the
  • Screw cap 4 has a cover surface 40 on which a circumferential jacket wall 41 is adjacent.
  • the jacket wall 41 has an internal thread 42, which is designed as a fine thread, matching the external thread 23 of the cylindrical one
  • Inner diameter of the piercer, means are formed in the shape of drivers 44.
  • Screw cap 4 the driver 44 drive the piercer 3 in an opposite direction. While the screw cap 4 moves upward, the piercer is moved downward because the threads between the screw cap 4 and the lower part 2 are oriented in opposite directions to the direction of rotation of the thread between the piercer 3 and the lower part 2. At the bottom of the
  • Shell wall 41 is over predetermined breaking point bridges 46
  • Guarantee tape 45 molded. This is held in the secured position by retaining cams 24 and the guarantee band 45 remains here even after the first opening, as can be seen in FIG. 2.
  • the piercer 3 which, as shown in FIG. 3, is advantageously made in one piece with the lower part, essentially consists of a cylindrical one
  • Coarse thread is designed to match the internal thread 22 of the
  • the displacement element 34 can be combined with the cutting element 33 or, as in FIGS.
  • Cutting elements 33 visible.
  • the cutting elements 33 which have approximately a triangular shape, open into a terminal one
  • a cutting edge 37 is then integrally formed on the perforation tooth 36 on the front edge of the direction of rotation.
  • Cutting edge 37 goes here with the preferred one
  • Embodiment in a displacement edge 38 which thus forms the displacement element 34 and thus part of the
  • Cutting element 33 is. On the inside surface of the
  • Cutting element 33 above the cutting edge 37 is one Driver thickening 39 formed on which a driver 44 abuts during the first unscrewing movement of the screw cap 4 and thus sets the piercer 3 in a screwing movement.
  • the solution with the displacement edge 38 is only optional.
  • an additional separate displacement element 35 can be present.
  • the displacement element 35 is designed to be shorter in the axial direction of the piercer 3 than the cutting element 33. Accordingly, the displacement element 35 only comes into contact with the film of the container B when the two cutting elements 33 have formed at least approximately a coherent cutting line.
  • the separate displacement element 35 has otherwise approximately the shape of the cutting elements 33, but is designed with a blunt edge and has no perforation tooth but runs in a rounded arc.
  • the two cutting elements 33 are one
  • Dislocation angle ⁇ arranged to follow one another.
  • the two perforation teeth 36 of the two cutting elements 33 are in positions a 'and b'. After a certain lead angle ⁇ , the two perforation teeth 36 touch the film to be severed
  • Perforating teeth 36 cut the film and in the further course they cut through the film, one cutting element running through the cutting path from point A to point B, while the other cutting element from point B to point C is one
  • Dislocation angle ⁇ has been rotated, there is a continuous cutting line of 2 ⁇ , which extends from point A to point C.
  • the cutting edge 37 has at least almost completely penetrated inwards through the film of the container, and from point C on the one hand the displacement edge 38 and / or that acts
  • Displacement element 35 The displacement edge now acts from point C, while the displacement element 35 lies in the area VB of the relatively close to the pre-punched area V in the area not yet severed.
  • the cut-out area is now pressed down into the container like a flap.
  • the pre-punching V serves practically as
  • Lead angle ⁇ be at least 90 °, but this is practically not enough and the actual minimum size of the Dislocation angle ⁇ must be greater than 100 °.
  • the offset angle must of course also be less than 180 ° to ensure that the cutting line is not all-round and consequently an entire rondelle is cut out of the film, which could fall into the container.
  • the maximum offset angle ⁇ should be approximately 170 °.
  • the solutions shown in FIGS. 5 and 6 correspond to realistic specifications. If a separate displacement element 35 is used, the offset angle can be rather small, because in this case the displacement element can already press on the film shortly before the cutting element in the direction of rotation has reached point C, whereby the film is pressed slightly downwards and this creates a somewhat longer coherent cutting line than the theoretical cutting line.
  • the perforation takes place here only at two points. This has the advantage that the force required is lower. At the same time, there is also a real cutting movement.
  • the cutting edge 37 namely performs both a movement component perpendicular to the cutting line and a component in the direction of the cutting line. But because the pre-cut V is also relatively close to the relatively rigid connection of the film to the flange 21 of the lower part 2, there is a certain shear force.
  • the steepness of the coarse thread between the piercer 3 and the lower part 2 must be aligned with the geometry of the cutting elements.
  • the purely vertical length of the cutting edge 37 must be equal to the thread pitch, which corresponds to the angle ⁇ . The latter is particularly true when the displacement element is combined with the cutting element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)
  • Prostheses (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Push-Button Switches (AREA)
  • Lock And Its Accessories (AREA)
  • Telephone Function (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Adornments (AREA)

Abstract

L'invention concerne un dispositif de fermeture (1) placé au-dessus d'un emplacement perforable d'un contenant fermé (B) et comprenant une partie inférieure (2) à bec verseur cylindrique (20), un bouchon fileté (4), ainsi qu'un perforateur (3). Le perforateur (3) ouvert des deux côtés dans le sens axial peut être déplacé vers le bas hélicoïdalement dans la partie inférieure (2) à l'aide de moyens (44) situés dans le bouchon fileté (4). Le perforateur (3) comprend deux éléments tranchants (33) décalés d'un angle (a) l'un par rapport à l'autre et produisant une ligne de découpe continue (2a) en passant l'un après l'autre, ainsi qu'un élément de déplacement (34, 35, 38) qui repousse une languette partiellement découpée du contenant hors de la zone du bec verseur (20).
EP02727153A 2001-06-27 2002-06-10 Dispositif de fermeture dote d'un perforateur Expired - Lifetime EP1399366B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH118201 2001-06-27
CH11822001 2001-06-27
PCT/CH2002/000307 WO2003002419A1 (fr) 2001-06-27 2002-06-10 Dispositif de fermeture dote d'un perforateur

Publications (2)

Publication Number Publication Date
EP1399366A1 true EP1399366A1 (fr) 2004-03-24
EP1399366B1 EP1399366B1 (fr) 2006-10-04

Family

ID=4561817

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02727153A Expired - Lifetime EP1399366B1 (fr) 2001-06-27 2002-06-10 Dispositif de fermeture dote d'un perforateur

Country Status (13)

Country Link
US (1) US6851576B2 (fr)
EP (1) EP1399366B1 (fr)
CN (1) CN1251932C (fr)
AT (1) ATE341494T1 (fr)
AU (1) AU2002257483B2 (fr)
BR (1) BR0210540A (fr)
CA (1) CA2451751A1 (fr)
DE (1) DE50208344D1 (fr)
DK (1) DK1399366T3 (fr)
ES (1) ES2274030T3 (fr)
IL (2) IL159592A0 (fr)
RU (1) RU2288146C2 (fr)
WO (1) WO2003002419A1 (fr)

Cited By (2)

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DE102012212776A1 (de) 2012-07-20 2014-01-23 Robert Bosch Gmbh Kunststoffverschluss zur Öffnung eines aseptisch geschlossenen Kunststoffschlauchbeutels
US10676261B2 (en) 2017-09-07 2020-06-09 Silgan White Cap LLC Closure assembly

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DE102010035219A1 (de) * 2010-08-24 2012-03-01 Siemens Healthcare Diagnostics Products Gmbh Verschlussvorrichtung für einen Reagenzbehälter
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012212776A1 (de) 2012-07-20 2014-01-23 Robert Bosch Gmbh Kunststoffverschluss zur Öffnung eines aseptisch geschlossenen Kunststoffschlauchbeutels
WO2014012692A1 (fr) 2012-07-20 2014-01-23 Robert Bosch Gmbh Fermeture plastique permettant l'ouverture d'un sachet tubulaire plastique fermé de manière aseptique
US10676261B2 (en) 2017-09-07 2020-06-09 Silgan White Cap LLC Closure assembly
US11718457B2 (en) 2017-09-07 2023-08-08 Silgan White Cap LLC Closure assembly

Also Published As

Publication number Publication date
RU2004102050A (ru) 2005-03-10
RU2288146C2 (ru) 2006-11-27
CA2451751A1 (fr) 2003-01-09
ATE341494T1 (de) 2006-10-15
CN1522216A (zh) 2004-08-18
IL159592A (en) 2008-04-13
DK1399366T3 (da) 2007-01-15
CN1251932C (zh) 2006-04-19
US20040149786A1 (en) 2004-08-05
EP1399366B1 (fr) 2006-10-04
IL159592A0 (en) 2004-06-01
US6851576B2 (en) 2005-02-08
BR0210540A (pt) 2004-06-22
ES2274030T3 (es) 2007-05-16
WO2003002419A1 (fr) 2003-01-09
AU2002257483B2 (en) 2006-11-30
DE50208344D1 (de) 2006-11-16

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