EP1976764B1 - Verschliessbare öffnungsvorrichtung gefertigt mit einem halbfabrikat und verfahren zur montage desselben - Google Patents

Verschliessbare öffnungsvorrichtung gefertigt mit einem halbfabrikat und verfahren zur montage desselben Download PDF

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Publication number
EP1976764B1
EP1976764B1 EP06804835A EP06804835A EP1976764B1 EP 1976764 B1 EP1976764 B1 EP 1976764B1 EP 06804835 A EP06804835 A EP 06804835A EP 06804835 A EP06804835 A EP 06804835A EP 1976764 B1 EP1976764 B1 EP 1976764B1
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EP
European Patent Office
Prior art keywords
cutting element
pouring nozzle
upper edge
semi
opening device
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.)
Active
Application number
EP06804835A
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German (de)
English (en)
French (fr)
Other versions
EP1976764A1 (de
Inventor
Werner F. 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.)
Deltona Innovations AG
Original Assignee
Deltona Innovations 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
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Application filed by Deltona Innovations AG filed Critical Deltona Innovations AG
Priority to PL06804835T priority Critical patent/PL1976764T3/pl
Publication of EP1976764A1 publication Critical patent/EP1976764A1/de
Application granted granted Critical
Publication of EP1976764B1 publication Critical patent/EP1976764B1/de
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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
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49945—Assembling or joining by driven force fit

Definitions

  • the present invention relates to a closable opening device for a sealed package containing a flowable medium, the device having a spout with flange, which is provided with an internal thread and an external thread, and a cylindrical cutting element, which with an upper, a planar surface defining edge is provided, while the lower edge is provided with a tooth or a plurality of teeth, and whose inner circumferential surface is provided with radially acting drivers, which cooperate with drivers in a screw cap, so that the cutting element pierces the packaging in a screwing motion, wherein the spout with flange and the cylindrical cutting element are made as a one-piece semi-finished product.
  • a closable opening device of the type mentioned is from the EP-A-1'088'764 known.
  • a principle is applied, which is common in the closure technique, by multipart fasteners so manufactures that two parts are arranged one above the other and injected together via predetermined breaking points connected together in one piece.
  • the cost of tools is reduced and on the other hand simplifies assembly, since the interconnected via predetermined breaking points parts are already arranged in their precisely aligned relative position to each other and thus only need to be pushed together.
  • This technology which is known per se, has also been used earlier for the closures of interest here and is also known, for example, from EP-A-1'084'060.
  • the opening device disclosed here differs from the first-mentioned opening device according to EP-A-1'088'764 in that the cutting element has no plane surface at its upper end, but an inclined surface which is on a just such inclined inclined surface at the first operation the closure device rests and thus exerts a straight, acting perpendicular to the to be pierced packaging pure transverse force.
  • This type of movement is in contrast to the movement of interest here according to EP-A-1'088'764, in which the cutting element is moved in a screwing movement through the package.
  • a semi-finished product is disclosed, which is a one-piece production of a spout with a flange together with a cylindrical cutting element shows.
  • the cutting element according to EP-A-2'084'060 has neither at the top nor at the bottom of a flat surface which is adapted to be circumferentially connected to an upper or a lower edge of the spout.
  • a solution is disclosed here, in which the cutting element is made in an intermediate position within the spout via predetermined breaking points with the lower edge of the spout through predetermined breaking points as a semi-finished product.
  • the pre-assembly in which the cutting element must be pushed into the spout, by no means as trivial as this may seem straightaway.
  • the mentioned packages of laminates, on which the closing devices of interest are attached contain at least one plastic film layer, which is problematic to cut, since the material has a high toughness and must be pierced accordingly in order to be cut at all. This requires that the teeth or the at least one tooth is correspondingly sharp and has sufficient strength. If you now push the spout and the cutting element without appropriate special precautions simply applied by top and bottom applied pressure, so this would bend over the most delicate teeth, cancel or at least dull. As a result, the operation of the opening device is no longer guaranteed.
  • a closure is disclosed with a spout with flange on which a lid is held over the spout by means of predetermined breaking point bridges.
  • This is a finished product in which the user should first break off the lid and then screw it in and at the same time cut open a foil of the container.
  • Closure devices are known in which via a cylindrical spigot with internal thread a piercer with spout thread via predetermined breaking point bridges are formed into a semi-finished product.
  • the teeth of the piercer are not within the spout and the predetermined breaking points bridges are not defined in the orientation in the first case and in the second case, these run virtually vertically in the region of the slightly offset walls.
  • the predetermined breaking points are designed according to claim 1, the remainder approaches that remain on the spout are so small that this does not affect the seal.
  • Another solution not according to the invention would be that the annular sealing wall with the circumferential sealing bead formed thereon is made slightly longer, so that, in the closed state, it penetrates further into the spout of the spout. This implies that the cutting element should be pushed slightly deeper into the spout. This can be achieved by means of a method according to the dependent claim 6.
  • the opening device has the three main components, namely a spout 2 and a movably mounted therein cutting element 3 and the opening device occlusive cap 4.
  • the two main components 2 and 3, so the spout and the cutting element are manufactured in one piece manufacturing technology and form a semi-finished product, which is denoted by 5 and in the FIG. 1 is shown on its own in the production position.
  • the semi-finished product 5, consisting of the spout 2 and the cutting element 3, facilitates the assembly of these two parts on the one hand, and on the other hand, the production of a semi-finished product significantly reduces the tooling costs. In addition, since it is not necessary to produce two separate parts, it goes without saying that the machine costs are also reduced.
  • the spout 2 is formed by a cylindrical tube section 20 which has a terminal flange 21 at its lower end.
  • the cylindrical tube section 20 is provided on the one hand with an external thread 22 and on the other hand with an internal thread 23.
  • the external thread 22 is designed here as a so-called fine thread, wherein the cross section of the thread has a rounded shape.
  • This fine thread has the advantage that a Jerusalem cuisinede cap 4 can be pushed ratchet-like with relatively little effort, with the matching internal thread of the cap slides over the external thread 22. This makes it possible to mount the cap without performing a rotational movement, which is necessary because the cap itself has means that interact with the cutting element 3 so that a Rotation of the cap causes an opposite rotational movement of the cutting element 2.
  • one or more release means 24 are provided, which have the shape of radially outwardly directed fingers. These finger-shaped release agent 24 engage in the assembled state of the opening device below the lower edge of the cap 4 between predetermined breaking points, wherein the predetermined breaking points a guarantee strip, which is integrally formed on the lower edge of the cap 4 hold.
  • the separating means 24 shear the predetermined breaking points of the cap 4 and thus separate the guarantee strip from the cap 4.
  • the upper edge of the pouring spout 25 defines a planar surface which runs parallel to the flange 21.
  • the internal thread 23 on the spout 2 has a substantially greater pitch than the fine thread 22 on the outside of the spout 2.
  • the cross-section of this internal thread is trapezoidal. Thanks to this trapezoidal shape, once again the cutting element 3 can be pushed into the spout 2 with reduced resistance without the threads being destroyed.
  • the cutting element is designated overall by 3. It has a cylindrical tube section 30, in which an external thread 31 is inserted. This external thread 31 is form matched to the internal thread 23 of the spout 2 and meshes with this internal thread at the first operation of the opening device.
  • the cylindrical tube section 30 has an upper edge 32 which defines a planar surface, which in turn is parallel to the plane defined by the flange 21.
  • the lower edge of the cutting element 3 is designated 33. This lower edge 33 is located in the production position of the semi-finished product 5 at least approximately in the region of the upper edge 25 of the spout 2 and is integrally connected to this spout 2 in this state.
  • the connection produce a plurality of predetermined breaking point bridges 34. In the FIG.
  • the cutting element 3 has any number of teeth 35, which may be arranged uniformly or unevenly distributed over the circumference.
  • the teeth 35 have a sharp tip 36, which serves to push through the package, and then corresponding cutting edges 37, which pierced the Able to cut packaging film.
  • the teeth 35 rest on a rim, which is offset from the cylindrical pipe section 30 by at least half the wall thickness of the cylindrical pipe section 30 inwardly. This creates an outwardly projecting circumferential shoulder 38. This circumferential shoulder 38 forms the lower edge 33 of the cylindrical pipe section 33 of the cutting element 3 in the present case.
  • the predetermined breaking point bridges 34 can be kept very short and small.
  • the distance between the lower edge 33 of the cutting element 3 and the upper edge 25 of the cylindrical pipe section 20 of the spout 2 can be reduced so practically to the size of the thread height of the internal thread 23.
  • Thanks to the internally threaded ring with the teeth 35 remains a sufficient tool wall between the teeth 35 and the inner surface of the cylindrical pipe section 20 of the spout 2, so that the injection mold takes no damage during demolding and can also be provided with sufficient cooling.
  • the cutting element 3 has at least one driver 39 which extends from the upper edge 32 of the cutting element in the axial direction downwards and is directed at least approximately to the center.
  • This driver 39 which has essentially the shape of a longitudinal rib, is usefully arranged so that it extends from the upper edge 32 to the tip 36 of a tooth 35. Since it only needs such a driver, the drivers are not visible on all teeth.
  • the cap 4 has a top surface 40, which is surrounded by a peripheral peripheral jacket wall 41.
  • the jacket wall 41 has on the outside grooves 42, which increase the grip of the cap 4.
  • a thread 43 is attached, which is designed as a fine thread. This fine thread 43 meshes with the already mentioned external thread 22 of the spout 2.
  • a circumferential annular bead 44 is present, which is mounted in the present example on the outside of an annular wall 45.
  • the annular wall 45 runs concentrically with the jacket wall 41.
  • At least one driver 46 is integrally formed on the underside of the top surface 40 of the cap 4, which is directed vertically from the top surface projecting axially downwards and also extends a short distance towards the center.
  • This driver 46 is integral with an inner annular wall 47 as an extension thereof designed. The driver 46 cooperates with the already mentioned driver 39 on the cutting element 3.
  • a guarantee strip 48 is integrally formed on the cap 4, which is connected via predetermined breaking point bridges 49 with the lower edge of the jacket wall 41.
  • the previously mentioned separating means 24 engage between two adjacent predetermined breaking point bridges 49 between the lower edge of the casing wall and the upper edge of the guarantee strip through the corresponding gap.
  • the predetermined breaking point bridges 34 are in the region of the connecting tip, virtually without a remaining remainder on the casing wall inner surface of the cylindrical pipe section 20 to tear off, the main part of the predetermined breaking point bridges 34 in the region of the lower edge 33 of the cutting element 3 remains. This hardly disturb the same, since the external thread 31 on the cylindrical pipe section 30 and the internal thread 23 on the cylindrical pipe section 20 of the spout 2 provides no multiple use and a single scratching of the thread is completely unproblematic in the single use. The thread itself does not need to achieve any tightness. On the other hand, as already mentioned, the inner surface of the cylindrical tube section 20 remains virtually completely unhurt, so that one during the later use in this area immersed annular wall 45 with a sealing bead 44 can rest here absolutely tight.
  • the assembly process shown here which shows only the assembly of the semi-finished product is very schematic and can of course be subject to various expert additions or changes.
  • the supply of semi-finished products is designated 50.
  • the semi-finished products can pass directly from the injection molding machines via conveyor belts to the assembly station, which is designated as 500 in total.
  • the assembly station which is designated as 500 in total.
  • the semi-finished products can also be supplied from an intermediate storage of the assembly station 500.
  • the assembly station 500 comprises a first conveying surface 51, which may be designed as a conveyor belt or, as shown here, as a vibrating surface.
  • the semi-finished products 5 are disordered as bulk material on the conveying surface 51 and are separated by the shaking, so that even adjacent semi-finished products 5 with its flange 21 of the spout 2 not overlapping on each other in the pressing region 56 arrive. Normally, the semi-finished products will come to rest either on their flange 21 or on the upper edge 32 of the cutting element 3 on the conveying surface 51.
  • the semi-finished products as indicated by 5 'in a tilted position on the conveying surface 51, in which case a transverse spar 54 is provided above the conveying surface 51, which is arranged so far above the conveying surface 51, that such inclined lying semi-finished product 5' with its flange at the traverse Holm 54 comes to concern, which comes to the semi-finished product 5 'to act a torque, so that the semi-finished product performs a tilting movement and comes to rest on the flange 21.
  • the semifinished products enter the actual pressing region 56 through an inlet gap 57.
  • the pressing region 56 is formed by a lower support conveyor belt 58 and an upper conveyor belt, which acts as a running pressing surface.
  • the pressing surface 52 and the lower support conveyor belt 58 which is part and continuation of the conveying surface 51, converge so far in the pressing region 56 that they are spaced from one another at least the height of the semifinished product from the flange underside 21 to the upper edge 32 of the cutting element 3 , while at the end of the pressing region 56 there is a distance between the conveying surface in this region and the pressing surface which corresponds to the height of the pouring spout 2.
  • the pressing surface 52 or the actual band of the conveyor belt, which forms the pressing surface 52 can be provided with a rubber-elastic viewing, so that on the one hand certain tolerances are lifted, and on the other hand to press the cutting element 3 with a low insertion depth into the spout 2.
  • the upper edge 32 of the cutting element 3 comes to lie slightly below the upper edge 25 of the spout 2 in this case.
  • this difference carries a few tenths of a millimeter. Only if these are semi-finished products for relatively large opening devices, this distance can also be greater.
  • a counterpressure element 53 can be mounted on the leading side of the conveyor belt on the rear side thereof.
  • the conveying surface 51 can likewise be designed as a conveyor belt.
  • the lower conveyor belt which is present in the pressing region 56, can easily be designed to extend over the entire length of the assembly station 500.
  • the surface does not need to be bent as shown here in the drawing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Adornments (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP06804835A 2005-11-07 2006-10-27 Verschliessbare öffnungsvorrichtung gefertigt mit einem halbfabrikat und verfahren zur montage desselben Active EP1976764B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06804835T PL1976764T3 (pl) 2005-11-07 2006-10-27 Zamykalne urządzenie otwierające wykonane z półwyrobem i sposób jego montażu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH17782005 2005-11-07
PCT/CH2006/000601 WO2007051328A1 (de) 2005-11-07 2006-10-27 Verschliessbare öffnungsvorrichtung gefertigt mit einem halbfabrikat und verfahren zur montage desselben

Publications (2)

Publication Number Publication Date
EP1976764A1 EP1976764A1 (de) 2008-10-08
EP1976764B1 true EP1976764B1 (de) 2011-07-13

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ID=40107338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06804835A Active EP1976764B1 (de) 2005-11-07 2006-10-27 Verschliessbare öffnungsvorrichtung gefertigt mit einem halbfabrikat und verfahren zur montage desselben

Country Status (11)

Country Link
US (1) US8020729B2 (zh)
EP (1) EP1976764B1 (zh)
JP (1) JP5068761B2 (zh)
CN (1) CN101356095B (zh)
AT (1) ATE516217T1 (zh)
BR (1) BRPI0618796B1 (zh)
CA (1) CA2628835C (zh)
ES (1) ES2369689T3 (zh)
PL (1) PL1976764T3 (zh)
RU (1) RU2414399C2 (zh)
WO (1) WO2007051328A1 (zh)

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US9042042B2 (en) 2009-11-18 2015-05-26 Nidec Sankyo Corporation Lens drive device
DE102010035219A1 (de) * 2010-08-24 2012-03-01 Siemens Healthcare Diagnostics Products Gmbh Verschlussvorrichtung für einen Reagenzbehälter
DE102011017797A1 (de) 2011-04-29 2012-10-31 Robert Bosch Gmbh Verschliessbare Öffnungsvorrichtung für eine versiegelte Verpackung
CN103108810B (zh) * 2010-09-15 2014-12-10 罗伯特·博世有限公司 用于密封包装的可封闭的打开装置
US20130270293A1 (en) * 2010-12-14 2013-10-17 Illinois Tool Works Inc. Piercing cap assembly
DE102011017793A1 (de) * 2011-04-29 2012-10-31 Robert Bosch Gmbh Schneidzahn einer rotierbaren Schneidvorrichtung
ITMI20120063A1 (it) * 2012-01-20 2013-07-21 Ipi Srl Dispositivo di apertura richiudibile per un contenitore di prodotti versabili
CH708556A2 (de) * 2013-09-05 2015-03-13 Deltona Innovations Ag Selbstöffnender Kunststoffverschluss.
US10609939B2 (en) * 2013-12-16 2020-04-07 Monarch Media, Llc Coconut water removal device and method therefor
US20160345619A1 (en) * 2014-12-02 2016-12-01 Monarch Media Llc. Coconut removal device and method therefor
US11317647B2 (en) * 2014-12-02 2022-05-03 Monarch Media, Llc Coconut water removal device and method therefor
TWI687352B (zh) * 2015-06-08 2020-03-11 日商美樂迪安股份有限公司 附有流出口之容器及其製造方法
US10676261B2 (en) 2017-09-07 2020-06-09 Silgan White Cap LLC Closure assembly
CH715781A2 (de) 2019-01-30 2020-07-31 Deltona Innovations Ag Schraubkappe und Kunststoffdrehverschluss mit einer Schraubkappe und einem Ausgussstutzen sowie einem Verbindungsmittel zur unverlierbaren Befestigung der Schraubkappe am Ausgussstutzen.
CH715900A2 (de) 2019-03-04 2020-09-15 Deltona Innovations Ag Schraubkappe und Kunststoffdrehverschluss mit einer Schraubkappe und einem Ausgussstutzen sowie mindestens einem Verbindungselement zur unverlierbaren Befestigung der Schraubkappe am Ausgussstutzen.
CH716488A2 (de) 2019-08-09 2021-02-15 Deltona Innovations Ag Schraubkappe eines Kunststoffdrehverschlusses mit Verbindungselement.
JP7290538B2 (ja) * 2019-10-15 2023-06-13 株式会社 資生堂 注出キャップ
IT201900020988A1 (it) 2019-11-12 2021-05-12 Easy Plast S R L Metodo per lo stampaggio e l’assemblaggio di almeno un dispositivo di chiusura e relativo sistema per la fabbricazione
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Also Published As

Publication number Publication date
PL1976764T3 (pl) 2011-12-30
RU2008122919A (ru) 2009-12-20
BRPI0618796B1 (pt) 2018-11-06
CA2628835C (en) 2014-03-04
CN101356095A (zh) 2009-01-28
CA2628835A1 (en) 2007-05-10
JP5068761B2 (ja) 2012-11-07
ES2369689T3 (es) 2011-12-05
ATE516217T1 (de) 2011-07-15
US20090250488A1 (en) 2009-10-08
JP2009514748A (ja) 2009-04-09
RU2414399C2 (ru) 2011-03-20
US8020729B2 (en) 2011-09-20
CN101356095B (zh) 2011-05-18
EP1976764A1 (de) 2008-10-08
BRPI0618796A2 (pt) 2011-09-13
WO2007051328A8 (de) 2008-12-11
WO2007051328A1 (de) 2007-05-10

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