EP1976764A1 - Systeme d'ouverture refermable realise a partir d'un produit semi-fini et procede pour son montage - Google Patents

Systeme d'ouverture refermable realise a partir d'un produit semi-fini et procede pour son montage

Info

Publication number
EP1976764A1
EP1976764A1 EP06804835A EP06804835A EP1976764A1 EP 1976764 A1 EP1976764 A1 EP 1976764A1 EP 06804835 A EP06804835 A EP 06804835A EP 06804835 A EP06804835 A EP 06804835A EP 1976764 A1 EP1976764 A1 EP 1976764A1
Authority
EP
European Patent Office
Prior art keywords
cutting element
pouring spout
upper edge
opening device
flange
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
EP06804835A
Other languages
German (de)
English (en)
Other versions
EP1976764B1 (fr
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40107338&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1976764(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
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/fr
Application granted granted Critical
Publication of EP1976764B1 publication Critical patent/EP1976764B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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

  • Lockable opening device made with a semi-finished product and method for assembling the same
  • the present invention relates to a closable opening device for a sealed package which contains a flowable medium, the device being a
  • Internal thread and an external thread is provided, as well as a cylindrical cutting element which is provided with an upper edge defining a flat surface, while the lower edge is equipped with one tooth or several teeth, and the inner lateral surface of which is provided with drivers which act in the radial direction , which interact with drivers in a screw cap, so that the cutting element pierces the packaging in a screwing movement, the pouring 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 known from EP-AI '088' 764.
  • a principle is applied, which is common in closure technology, in that multi-part closures manufactures that two parts are arranged one above the other and molded in one piece via predetermined breaking points.
  • the outlay on tools is reduced and, on the other hand, assembly is simplified, since the parts connected to one another via predetermined breaking points are already arranged in their exactly aligned relative positions to one another and thus only have to be pushed together.
  • This technology which is well known per se, has also been used previously for the closures of interest here and is also known, for example, from EP-AI '084' 060.
  • the opening device disclosed here differs from the first-mentioned opening device according to EP-AI '088' 764 in that the cutting element does not have a flat surface at its upper end, but rather an inclined surface which is on an equally inclined opposite surface when first actuated the closing device rests and thus exerts a straight, pure transverse force acting perpendicularly on the packaging to be pierced.
  • This type of movement is in contrast to the type of movement of interest here according to EP-AI '088' 764, in which the cutting element is moved through the packaging in a screwing movement.
  • a semi-finished product is disclosed, which is a one-piece production of a pouring spout with a flange together with a cylindrical cutting element shows.
  • the cutting element according to EP-AI '084' 060 has neither a flat surface at the upper nor at the lower edge, which is suitable for being connected all round to an upper or a lower edge of the pouring spout.
  • a solution is disclosed here in which the cutting element is made as a semi-finished product in an intermediate position within the pouring spout via predetermined breaking points connected to the lower edge of the pouring spout via predetermined breaking points.
  • the pre-assembly in which the cutting element has to be pushed into the pouring spout, is by no means as trivial as it might seem at first glance.
  • the above-mentioned packaging made of laminates, on which the sealing devices of interest here are attached contain at least one layer of plastic film which is difficult to cut because 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 the spout and the cutting element were simply pushed together by applying pressure up and down without any special precautions, the extremely delicate teeth would bend, break off or at least become blunt. As a result, the operation of the opening device is no longer guaranteed.
  • the predetermined breaking points are designed according to the dependent claims 3 or 4
  • the residual deposits that remain on the pouring spout are so small that there is no influence on the seal.
  • this is by no means a mandatory prerequisite for realizing the invention, but merely represents an optimization, while another solution would consist in that the annular sealing wall with the circumferential sealing bead formed thereon is made somewhat longer, so that it continues to be closed when closed the spout of the spout penetrates. This means that the cutting element should be pushed slightly deeper into the pouring spout. This can be achieved by means of a method according to dependent claim 9.
  • FIG. 1 shows a vertical section through a semi-finished product in the production position in which the cutting element is held above the pouring spout over predetermined breaking points.
  • Figure 2 shows this semi-finished product in the assembled state
  • FIG. 3 shows the closed opening device
  • FIG. 4 schematically represents a simplified assembly station that works according to the method according to the invention.
  • the opening device has the three main components, namely a pouring spout 2 and a cutting element 3 movably mounted therein and a cap 4 closing the opening device.
  • the two main components 2 and 3, that is to say the pouring spout and the cutting element, are manufactured in one piece in terms of production technology and form a semi-finished product, which is designated 5 and is shown in FIG. 1 alone in the production position.
  • the pouring 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 as a so-called fine thread, the cross section of the thread having a rounded shape.
  • This fine thread has the advantage that a cap 4 to be placed thereon can be pushed open in a ratchet-like manner with relatively little effort, the suitable internal thread of the cap sliding 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 cooperate 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 separating means 24 are provided, which have the shape of fingers pointing radially outwards. These finger-shaped separating means 24 engage in the assembled state of the opening device below the lower edge of the cap 4 between predetermined breaking points, the predetermined breaking points holding a guarantee band which is formed on the lower edge of the cap 4.
  • the separating means 24 shear the predetermined breaking points from the cap 4 and thus separate the guarantee band from the cap 4.
  • the upper edge of the pouring spout 25 defines a flat surface which runs parallel to the flange 21.
  • the internal thread 23 on the pouring spout 2 has a much larger pitch than the fine thread 22 on the outside of the pouring spout 2.
  • the cross section of this internal thread is trapezoidal. Thanks to this trapezoidal shape, the cutting element 3 can again be pushed into the pouring spout 2 with reduced resistance without the threads being destroyed in the process.
  • the cutting element is generally designated 3. It has a cylindrical tube section 30 in which an external thread 31 is embedded. This external thread 31 is formally matched to the internal thread 23 of the pouring spout 2 and meshes with this internal thread when the opening device is actuated for the first time.
  • the cylindrical tube section 30 has an upper edge 32 which defines a flat surface which in turn runs parallel to the plane which is defined by the flange 21.
  • the lower edge of the cutting element 3 is designated 33. This lower edge 33 lies in the production position of the semifinished product 5 at least approximately in the area of the upper edge 25 of the pouring spout 2 and is connected in one piece to this pouring spout 2 in this state. The connection is established by a large number of predetermined breaking point bridges 34. In FIG.
  • the cutting element 3 has any number of teeth 35 which can be arranged evenly or unevenly distributed over the circumference.
  • the teeth 35 have a sharp tip 36, which serves to pierce the packaging, and then have corresponding cutting edges 37, which pierce the pierced Can cut packaging film.
  • the teeth 35 lie on a ring, which is offset in relation to the cylindrical pipe section 30 practically by at least half the wall thickness of the cylindrical pipe section 30. This creates an outwardly projecting circumferential shoulder 38. In the present case, this circumferential shoulder 38 forms the lower edge 33 of the cylindrical tube section 33 of the cutting element 3.
  • 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 tube section 20 of the pouring spout 2 can thus be reduced practically to the size of the thread height of the internal thread 23.
  • the inwardly arranged ring with the teeth 35 a sufficient tool wall remains between the teeth 35 and the inner surface of the cylindrical tube section 20 of the pouring spout 2, so that the injection mold is not damaged during demolding and can also be provided with sufficient cooling.
  • the cutting element 3 has at least one driver 39, which runs from the upper edge 32 of the cutting element downwards in the axial direction and is directed at least approximately towards the center.
  • This driver 39 which essentially has the shape of a longitudinal rib, will sensibly arranged so that it extends from the upper edge 32 to the tip 36 of a tooth 35. Since only one such driver is required, the drivers are not visible on all teeth.
  • the cap 4 has a cover surface 40 which is surrounded by a peripheral peripheral wall 41.
  • the outer wall 41 has grooves 42 on the outside, 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 pouring spout 2.
  • the annular wall 45 runs concentrically to the jacket wall 41.
  • At least one driver 46 is formed on the underside of the top surface 40 of the cap 4, which is directed axially downwards, projecting perpendicularly from the top surface, and also runs a bit towards the center.
  • This driver 46 is integral with an inner ring wall 47 as an extension thereof
  • the driver 46 interacts with the driver 39 already mentioned on the cutting element 3.
  • a guarantee band 48 is formed on the cap 4, which over the predetermined breaking point bridges 49 with the
  • the semi-finished product shown in FIG. 1 can be assembled without problems.
  • the predetermined breaking point bridges 34 will tear off in the region of the connecting tip, practically without causing any remaining residue on the inner wall surface of the cylindrical tube section 20, the main part of the predetermined breaking point bridges 34 remaining in the region of the lower edge 33 of the cutting element 3. This hardly disturbs them, since the external thread 31 on the cylindrical tube section 30 and the internal thread 23 on the cylindrical tube section 20 of the pouring spout 2 do not provide for multiple use and, if used once, a possible scratching of the thread is completely unproblematic. The thread itself does not need to be tight.
  • the inner surface of the cylindrical tube section 20 remains practically completely intact, so that one during the later use immersed in this area ring wall 45 with a sealing bead 44 can be absolutely sealing here.
  • the assembly process shown here which only shows the assembly of the semi-finished product, is to be understood very schematically and can of course be subject to various technical additions or changes.
  • the supply of the semi-finished products is labeled 50.
  • the semi-finished products can go directly from the injection molding machines via conveyor belts to the assembly station, which is labeled 500 in total.
  • the semi-finished products can also be supplied to the assembly station 500 from an intermediate store.
  • the assembly station 500 comprises a first conveyor surface 51, which can be designed as a conveyor belt or as shown here as a vibrating surface.
  • the semifinished products 5 lie disordered as bulk goods on the conveying surface 51 and are separated by the shaking movement, so that adjacent semifinished products 5 with their flange 21 of the pouring spout 2 do not reach the pressing area 56 lying overlapping one another. In the normal case, 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.
  • a guiding spar 54 is provided above the conveying surface 51, which is arranged so far above the conveying surface 51 that a semi-finished product 5' which is inclined with its flange at the transverse end Spar 54 comes to rest, as a result of which a torque acts on the semifinished product 5 ", so that the semifinished product performs a tilting movement and comes to rest on the flange 21.
  • the semifinished products reach the actual press area 56 through an inlet gap 57.
  • the press area 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 in the pressing area 56 to such an extent that they at least on the insertion side Height of the semi-finished product from the flange bottom 21 to the upper edge 32 of the cutting element mentes 3 are spaced from each other, while at the end of the pressing area 56 there is a distance between the conveying surface in this area and the pressing surface which corresponds to the height of the pouring spout 2.
  • the pressing surface 52 or the actual belt of the conveyor belt, which forms the pressing surface 52 can be provided with a rubber-elastic coating, so that on the one hand certain tolerances are eliminated and on the other hand in order to press the cutting element 3 into the pouring spout 2 with a small immersion depth.
  • the upper edge 32 of the cutting element 3 comes to lie slightly below the upper edge 25 of the pouring spout 2. This difference preferably bears a few tenths of a millimeter. This distance can only be greater if these are semi-finished products for relatively large opening devices.
  • a counterpressing element 53 can be fitted on the leading side of the conveyor belt on the rear side thereof.
  • the conveying surface 51 can also be designed as a conveyor belt instead of a vibrating surface.
  • the lower conveyor belt which is present in the pressing area 56, can simply be designed to extend over the entire length of the assembly station 500. In this case, too, the surface need not be bent as shown here in the drawing.
  • the advantage of the solution shown here is that manual intervention is possible in the event of a jam in the area of the crossbar 54.
  • the two parts which had formed the semifinished product are now conveyed away in the assembled state via the route 60.
  • the assembly of the cap on the already pre-assembled pouring spout and cutting elements takes place in a next step, which, however, is no longer the subject of the invention.
EP06804835A 2005-11-07 2006-10-27 Systeme d'ouverture refermable realise a partir d'un produit semi-fini et procede pour son montage Active EP1976764B1 (fr)

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 (fr) 2005-11-07 2006-10-27 Systeme d'ouverture refermable realise a partir d'un produit semi-fini et procede pour son montage

Publications (2)

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

Family

ID=40107338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06804835A Active EP1976764B1 (fr) 2005-11-07 2006-10-27 Systeme d'ouverture refermable realise a partir d'un produit semi-fini et procede pour son montage

Country Status (11)

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

Cited By (5)

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Publication number Priority date Publication date Assignee Title
US10676261B2 (en) 2017-09-07 2020-06-09 Silgan White Cap LLC Closure assembly
WO2020156847A1 (fr) 2019-01-30 2020-08-06 Deltona Innovations Ag Bouchon à vis en plastique comprenant un moyen de connexion
WO2020178012A1 (fr) 2019-03-04 2020-09-10 Deltona Innovations Ag Fermeture rotative en matière synthétique comprenant au moins un élément de liaison
WO2021028167A1 (fr) 2019-08-09 2021-02-18 Deltona Innovations Ag Capuchon à vis d'une fermeture rotative en matière plastique, pourvu d'un élément de liaison
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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EP2097329B1 (fr) * 2006-10-23 2010-06-23 Deltona Innovations AG Semi-produit pour fabriquer un dispositif d'ouverture
CN101578221B (zh) * 2007-01-31 2011-07-13 特克索公开股份有限公司 包括切割套环的塑料封闭装置
DE602007007412D1 (de) * 2007-05-23 2010-08-12 Ipi Srl Verfahren zum Zusammensetzen eines Verschlusses für einen Behälter und zugehöriger Verschluss
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DE102007057863A1 (de) * 2007-11-29 2009-06-04 Sig Technology Ag Selbstöffnendes und wiederverschließbares Ausgießelement aus Kunststoff zur Applikation auf einer Packung für Flüssigkeiten
WO2011062123A1 (fr) 2009-11-18 2011-05-26 日本電産サンキョー株式会社 Actionneur d'objectif
DE102010035219A1 (de) * 2010-08-24 2012-03-01 Siemens Healthcare Diagnostics Products Gmbh Verschlussvorrichtung für einen Reagenzbehälter
US8695833B2 (en) 2010-09-15 2014-04-15 Robert Bosch Gmbh Closeable opening devices
DE102011017797A1 (de) 2011-04-29 2012-10-31 Robert Bosch Gmbh Verschliessbare Öffnungsvorrichtung für eine versiegelte Verpackung
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
DE102013101526B4 (de) * 2013-02-15 2018-05-17 Sig Technology Ag Vorrichtung zum Öffnen und Wiederverschließen von Lebensmittel enthaltenden Packungen
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
US11317647B2 (en) * 2014-12-02 2022-05-03 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
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
JP7290538B2 (ja) * 2019-10-15 2023-06-13 株式会社 資生堂 注出キャップ
US11673719B2 (en) * 2020-08-04 2023-06-13 Silgan Dispensing Systems Slatersville, Llc Two-piece drop dispensing closure

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
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
WO2020156847A1 (fr) 2019-01-30 2020-08-06 Deltona Innovations Ag Bouchon à vis en plastique comprenant un moyen de connexion
WO2020178012A1 (fr) 2019-03-04 2020-09-10 Deltona Innovations Ag Fermeture rotative en matière synthétique comprenant au moins un élément de liaison
WO2021028167A1 (fr) 2019-08-09 2021-02-18 Deltona Innovations Ag Capuchon à vis d'une fermeture rotative en matière plastique, pourvu d'un élément de liaison
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
EP3822057A1 (fr) 2019-11-12 2021-05-19 Easy Plast S.r.l. Procédé de moulage et d'assemblage d'au moins une fermeture et système pour sa fabrication

Also Published As

Publication number Publication date
WO2007051328A1 (fr) 2007-05-10
CN101356095A (zh) 2009-01-28
JP2009514748A (ja) 2009-04-09
US8020729B2 (en) 2011-09-20
ATE516217T1 (de) 2011-07-15
ES2369689T3 (es) 2011-12-05
RU2008122919A (ru) 2009-12-20
BRPI0618796B1 (pt) 2018-11-06
JP5068761B2 (ja) 2012-11-07
CN101356095B (zh) 2011-05-18
EP1976764B1 (fr) 2011-07-13
US20090250488A1 (en) 2009-10-08
WO2007051328A8 (fr) 2008-12-11
PL1976764T3 (pl) 2011-12-30
RU2414399C2 (ru) 2011-03-20
CA2628835C (fr) 2014-03-04
BRPI0618796A2 (pt) 2011-09-13
CA2628835A1 (fr) 2007-05-10

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