EP0641721B1 - Bouchon à vis et bague d'inviolabilité, emballage pourvu d'un tel bouchon, procédé de fabrication d'un tel bouchon et d'un tel emballage - Google Patents

Bouchon à vis et bague d'inviolabilité, emballage pourvu d'un tel bouchon, procédé de fabrication d'un tel bouchon et d'un tel emballage Download PDF

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Publication number
EP0641721B1
EP0641721B1 EP94401785A EP94401785A EP0641721B1 EP 0641721 B1 EP0641721 B1 EP 0641721B1 EP 94401785 A EP94401785 A EP 94401785A EP 94401785 A EP94401785 A EP 94401785A EP 0641721 B1 EP0641721 B1 EP 0641721B1
Authority
EP
European Patent Office
Prior art keywords
frangible
cap
cap according
outer portion
skirt
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.)
Expired - Lifetime
Application number
EP94401785A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0641721A1 (fr
Inventor
Pierre Salmon
Jean-Patrice Racine
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.)
Tetra Pak Closures France SAS
Original Assignee
Novembal 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
Priority claimed from FR9310542A external-priority patent/FR2709473B1/fr
Priority claimed from FR9313180A external-priority patent/FR2711969B1/fr
Application filed by Novembal SAS filed Critical Novembal SAS
Publication of EP0641721A1 publication Critical patent/EP0641721A1/fr
Application granted granted Critical
Publication of EP0641721B1 publication Critical patent/EP0641721B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges
    • 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
    • B65D2401/30—Tamper-ring remaining connected to closure after initial removal
    • 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
    • B65D2401/35—Vertical or axial lines of weakness

Definitions

  • the invention relates to a screw cap made of material plastic including a tamper evident ring internal returned inside; a packaging including the combination of such a stopper and a container; a method of manufacturing such a plug; and a method of manufacture of such packaging.
  • the object of the invention is a screw cap of the type mentioned above. wherein the tamper-evident ring can be released from the neck of the container.
  • the invention differs from such a plug mainly in that the or the frangible zones of the tamper-evident ring extend with an inclination relative to the axis of the plug, this inclination being opposite to that of the thread.
  • the invention relates to a plug 1 intended for a container 2, the assembly forming a package.
  • the plug 1 is of the screw and material type. plastic.
  • closure part 3 having a transverse end wall 4, and a skirt 5 adjoining this wall 4 and provided with an internal thread 6.
  • the plug 1 then comprises possible means 7. These are either integrated into the part of plugging 3 (see Figure 1), or reported thereon (see figure 4).
  • the plug 1 finally comprises a ring inviolability 8 which comes from the manufacture of a single part with plugging part 3.
  • the ring 8 comprises an external part 9 and a internal part 10.
  • the external part 9 is closed on itself and it is arranged in the extension of the skirt 5.
  • the external part 9 is connected to the skirt 5 by connecting means it circumferentially spaced apart others, located between the free edges 12, 13 of the external part 9 and skirt 5 respectively.
  • Internal part 10 is directly adjacent to the external part 9.
  • the internal part 10 includes a thinned edge 14 adjoining the other edge 15 of the external part 9.
  • the external part 9 is therefore limited from the side of the skirt by the free edge 12 and on the opposite side by the other edge 15.
  • the internal part 10 is capable of pivoting around the thinned edge 14 relative to the external part 9.
  • the internal part 10 is intended to be returned inside the ring 8, being directed towards the transverse wall 4.
  • the external part 9 comprises one or more frangible areas 17. This allows the opening of the external part when unscrewing the cap 1.
  • Such a frangible zone 17 ends first place in a free space 18 between the external part 9 and the skirt 5.
  • This empty space 18 is bounded downstream by at minus a non-frangible fastener 19 when unscrewing the plug.
  • Such a non-frangible fastener 19 belongs to the connecting means 11.
  • a frangible zone 17 of the part external 9 secondly ends up in either an area frangible 20a, either a cut 20b, or a solution of continuity 20c of the internal part 10.
  • upstream downstream used refer to direction of unscrewing the cap.
  • axial, transverse refer to axis 21 of the plug.
  • frangible area means an area where the plastic material can be broken by sufficient effort applied to it.
  • a frangible area can include a thinning of the plastic.
  • Such thinning can be constituted by a depression such than a groove.
  • Such a groove can be made at from the outer face (Figure 10A) from the inner face (figure 10B) or both external and internal faces (figure 10C) of the external part 9 or of the internal part 10.
  • Continuousity solution means an area where there is a break in the continuity of the plastic with empty space 20d.
  • FIGs 11A, 11B, 11C illustrate the three corresponding embodiments for the internal part 10.
  • a frangible zone 20a is shown in the figure 11A.
  • a cut 20b is shown in Figure 11B.
  • a continuity solution 20c with its empty space 20d is shown in Figure 11C.
  • a frangible zone 17 of the external part 9 extends, in the embodiments considered, in a general direction inclined by relative to the axis 21 of the plug. This direction is opposite in the sense of thread 6 as is clearly visible on Figures 1 to 3.
  • a frangible zone 20a or a cut 20c of the internal part 10 extends in one direction general inclined with respect to the axis 21 of the plug 1.
  • this direction is in the direction of thread 6 (see Figure 17A).
  • This realization corresponds to the case where during the manufacture of the plug, when the internal part 10 comes into extension of the external part 9, the frangible zone 20a or the cut 20b itself comes as an extension of the frangible zone 17.
  • frangible area 20a or the break 20b is the same as that of frangible zone 17, that is to say opposite to the meaning of thread 6. This situation arises when, at at the time of manufacture of the stopper, the frangible zone 20a or the cut 20b extends in a direction substantially symmetrical to that of frangible zone 17 with respect to a transverse plane passing through the edges 14, 15.
  • the general tilt direction of the area frangible 17, 20a or cut 20b makes an angle between 30 ° and 80 ° with axis 21. Preferably, this angle is equal to or close to 45 °.
  • the angle of inclination of the frangible zone 17 and that of frangible zone 20a or cut 20b is the same.
  • a frangible zone 17 extends from edge 12 to edge 15 opposite.
  • a frangible zone 20a or a cut 20b or a continuity solution 20c extends from the thinned edge 14 to free edge 22 of the internal part 10.
  • a frangible zone 17, 20a or a cut 20b essentially extends along a straight direction.
  • the area frangible 17 ends up in empty space 18 so substantially orthogonal to axis 21. It follows that the frangible zone 17 substantially extends the space vacuum 18, which is likely to favor the rupture the frangible area 17.
  • the frangible zone 17 is expected to end, on the side of the edge 12 by a curved section 23.
  • an area frangible 17 of the external part 9 has a section 24 orthogonal to axis 21 of the plug.
  • This orthogonal section 24 is interposed between two sections 24a, 24b inclined by relative to axis 21. This arrangement allows a transmission of forces in the direction of axis 21.
  • the area frangible 17 comprises several sections 24.
  • a non-frangible fastener 19 immediately adjoins the extreme part of a frangible area 17 of the part outer 9 leading to the free edge 12 thereof.
  • the empty space 18 tends to be expanded.
  • axial forces apply immediately to frangible zone 17 since this adjoins the non-frangible tie 19.
  • the non-frangible tie 19 helps to transfer the breaking forces arising from the plug 1 at frangible area 17.
  • a non-frangible tie 19 is not broken when unscrewing the cap 1, it can be held insufficient so that, after unscrewing the cap, it can be broken by sufficient tensile force exercised by the user.
  • the cap once outlet has, adjacent to the plugging part 3, the tamper-evident ring 8.
  • the user can then separate the tamper-evident ring 8 of the closure part 3. No only the container 2 will then have no ring 8 remaining threaded around its neck, but still the ring 8 will be separated from the plugging part 3.
  • a 20c continuity solution for the internal part 10 constituted by the empty space 20d extends circumferentially around the axis 21.
  • the opening of the arc of this empty space is between 20 ° and 100 ° and preferably between 30 ° and 90 °.
  • This bow has a opening corresponding substantially to that of the fastener non frangible 19 arranged opposite.
  • the two boundary edges of a solution of continuity 20c of the internal part 10 are arranged in substantially axial planes of the plug 1. In the variant of FIG. 2, these edges are diverging from the thinned edge 14 to the free edge 22.
  • boundary edges of a 20c continuity solution of the internal part 10 are inclined at an equal angle or of the order of 45 ° on the axis 21 of the plug 1.
  • the external part 9 has a thickness which is substantially constant over its entire periphery and its axial height at the exception of frangible area (s) 17 that it behaves. This thickness is at most substantially equal, or possibly lower, than that of skirt 5. This last preferably comprises gadroons arranged axially favoring the holding of the plugging part 3 in the user's fingers and preventing slipping relative.
  • the internal part 10 extends over an axial height which is at more equal to the axial height of the external part 9.
  • the external part 9 then completely covers the part internal 10.
  • the internal part 10 extends about half the axial height of that of the external part 9 (see figure 4).
  • the internal part 10 extends over an axial height greater than that of the external part 9.
  • the part external 9 only partially covers the part internal 10 which is partially located to the right of the skirt 5 towards its free edge 13.
  • the part internal 10 has, in axial cross section, a general shape triangular or trapezoidal with a vertex defined by the thinned edge 14 and an opposite base defined by the edge free 22 thickened. The thickness of the internal part 10 goes then increasing steadily from edge 14 to free edge opposite 22.
  • the connecting means 11 are constituted by the only non-frangible fasteners 19. In this case, it is provided at least two frangible areas 17 of the part outer 9 and two frangible zones 20a of the inner part 10.
  • the internal part 10 is thus provided with zones frangibles 20a rather than cuts 20b or solution of continuity 20c so that the internal part 10 constitutes a ring closed on itself contributing to the holding of the external part 9.
  • the connecting means 11 are formed by the fasteners not frangible 19 and also by frangible bridges 26 circumferentially spaced from each other, broken when unscrewing the cap.
  • a frangible bridge 26 a in cross section transverse, a general triangular shape with a base adjoining the internal face of the skirt 5 and the part external 9 and a vertex opposite towards the outside. The arrangement of this bridge is such that the release of the plug is made possible.
  • the top of frangible bridge 26 and placed slightly behind the face outer of the skirt 5 and the outer part 9.
  • a frangible bridge 26 has a general shape triangular or trapezoidal with a large side adjoining the external part 9 or an apex or a small adjoining side at the skirt 5.
  • a frangible bridge 26 extends in a general direction inclined to the axis of the plug (see the right frangible bridge on the figure 15). This general direction is inclined in the same direction as thread 6.
  • the stopper according to the invention comprises, when Frangible bridges 26 are provided, the minimum of bridges. This minimum number is around four, five or six.
  • a non-frangible fastener 19 is distant from the first frangible bridge 26 located upstream of an arc whose the opening is between 45 ° and 90 °.
  • a non-frangible tie 19 can also have for the function of securing in rotation of the ring 8 relative to the plugging part 3.
  • the stopper also includes at least one axial support in the form a projection of the skirt 5 and / or of the external part 10, extending it from its free edge 13, 12 in direction of that one.
  • a projection is located in empty space 18. It has the effect of preventing overwriting of the empty space 18 when mounting the plug 1 on the container 2.
  • Such a support 27 appears as circumferentially extended on an arc whose opening is less than about 40 °.
  • Two adjacent supports are separated from each other by at least one frangible bridge 26 or a non-frangible tie 19.
  • Two adjacent supports 27 are separated from each other by up to four bridges frangible 26.
  • a non-frangible fastener 19 is distant from the first frangible bridge 26 by a support 27.
  • a support 27 adjoining the skirt 5 has a substantially radial thickness equal to that of skirt 5 and have axial edges rounded (see Figure 5). Supports 27 occupy order from one third to half the circumference of the empty space 18. Different types of supports are illustrated in the figure 16.
  • the first press on the left extends skirt 5.
  • the second press extends the external part 9.
  • the third press is carried out from an extension of the skirt 5 and an extension of the external part 9.
  • the fourth and last press is of the same type as the previous one, each of the two parts coming beyond the other so as to allow a rotation lock.
  • a non-frangible fastener 19 is located substantially diametrically opposite to another non-frangible fastener 19 or a frangible bridge 26.
  • FIGs 1, 4, 6 and 18 show an internal part 10 inclined with respect to the external part 9 with an angle of the order of 10 ° to 60 °, more especially of the order of 20 ° to 40 ° and in particular equal or about 30 °.
  • This angle is such that the unscrewing the plug 1 urges the internal part 10 to pivoting of its thinned edge 14 in the direction tending to dismiss it.
  • the internal part 10 has a free edge 22 apart radially from the external part 9 or from the skirt 5.
  • the internal part 10 is, when the plug 1 is mounted on container 2, arranged substantially the same so that on the plug 1 before mounting, once the part 10 turned inside the ring 8.
  • the game exists between the internal part 10 and the external part 9 where the skirt 5 makes it possible to make up for dimensional differences tending to tolerances especially on container 2. This game catching up is made possible especially since the blocking of the internal part 10 on the projection 16, takes place inward, i.e. towards axis 21 and not outwards towards the part external 9.
  • the plug 1 comprises a single non-frangible fastener 19 and a solution of continuity 20c of the internal part 10 also unique.
  • it can be substituted for the 20c continuity solution an area frangible 20a or a cut 20b.
  • four frangible bridges are provided 26 distributed approximately evenly over half of the periphery of the plug 1 opposite the frangible zone 17 of the external part 9 and of the continuity solution 20c of the internal part 10.
  • the internal part 10 is in the form an open or closed ring but in one piece.
  • two non-frangible fasteners 19 substantially diametrically opposite each other as well as two solutions of continuity 20c of the internal part 10 also substantially diametrically opposed to each other.
  • solutions of continuity 20c frangible areas 20a or cuts 20b.
  • frangible bridges 26 there are six frangible bridges 26 substantially diametrically opposed to each other, located in the middle part of the external part 9. It is also provided four supports 27, two opposite two, separated either by frangible bridges 26 or by non-frangible fasteners 19. So, turning around the axis 21 upstream from a frangible zone 17, there is successively a first support 27, a first then a second then a third frangible bridge 26, a second support 27, a non-frangible fastener 19, a zone frangible 17, a third support 27, a fourth then a fifth then a sixth frangible bridge 26, a fourth and last support 27 and, finally, the second attachment not frangible 19.
  • three fasteners are provided non-frangible 19 arranged substantially at 120 ° one of the other and three 20c continuity solutions of the part internal 10 also substantially arranged at 120 ° one of the other.
  • six supports are provided 27 approximately 120 ° from each other.
  • first support 27 a first and a second frangible bridge 26, a second support 27, a non-frangible fastener 19, a second frangible zone 17, a fourth support 27, a third then a fourth frangible bridge 26, a fourth support 27, a non-frangible fastener 19, the third and last frangible zone 17, a fifth then a sixth last frangible bridge 26, a sixth and last support 27 and, finally, a third non-frangible fastener 19.
  • FIG. 9 illustrates a fourth variant of production.
  • the fasteners not frangibles 19 alone constitute the means of connection 11, the plug 1 being devoid of frangible bridges 26.
  • the internal part 10 then comprises four zones frangibles 20a substantially separated from each other by a quarter turn.
  • the internal part 10 is limited by the free edge 22 which is in one or more P planes which can be tilted with respect to a plane of reference R orthogonal to axis 21 of the cap.
  • the plane R is for example the plane defined by the edge 15 of the external part 9.
  • the free edge 22 is entirely substantially in a single plane (see Figures 19 and 20).
  • the free edge 22 is located in several planes P (see Figure 21).
  • the internal part 10 can present sorts more or less accentuated indentations and more or less important.
  • the plane P is inclined in the direction of the thread 6 of the plug
  • the plane P is inclined in the opposite direction of thread 6 of the plug.
  • the plane P is inclined with respect to the plane R with a angle between 0 and 10 ° approximately and preferably on the order of 3 to 4 °.
  • the area frangible 17 is located opposite or in the vicinity of the gaze of a location of the internal part 10 or this is of greater axial length. This location corresponds to a "high point" 30 of the free edge 22 finding furthest from edges 14 and 15 and closest to the transverse end wall 4.
  • a frangible zone 20a or a cut 20b or a continuity solution 20c of the internal part 10 is located opposite or in the vicinity from the look of a location of the internal part 10 where this is of smaller axial length, that is to say in look or near the low point 31.
  • part of the internal part 10 axially exceeds the part external and a part does not exceed it (figure 22d).
  • the method of manufacturing a stopper as it just described is that, first of all, we produced by injection with the internal part 10 coming in extension of the external part 9. Then, we do pivot the internal part 10 around its thinned edge 14 to be returned inside the ring 8.
EP94401785A 1993-09-03 1994-08-03 Bouchon à vis et bague d'inviolabilité, emballage pourvu d'un tel bouchon, procédé de fabrication d'un tel bouchon et d'un tel emballage Expired - Lifetime EP0641721B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9310542A FR2709473B1 (fr) 1993-09-03 1993-09-03 Bouchon à vis et bague d'inviolabilité, emballage pourvu d'un tel bouchon, procédé de fabrication d'un tel bouchon et d'un tel emballage.
FR9310542 1993-09-03
FR9313180A FR2711969B1 (fr) 1993-11-05 1993-11-05 Bouchon à vis à bague d'inviolabilité.
FR9313180 1993-11-05

Publications (2)

Publication Number Publication Date
EP0641721A1 EP0641721A1 (fr) 1995-03-08
EP0641721B1 true EP0641721B1 (fr) 2001-06-27

Family

ID=26230577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94401785A Expired - Lifetime EP0641721B1 (fr) 1993-09-03 1994-08-03 Bouchon à vis et bague d'inviolabilité, emballage pourvu d'un tel bouchon, procédé de fabrication d'un tel bouchon et d'un tel emballage

Country Status (12)

Country Link
US (1) US5779075A (es)
EP (1) EP0641721B1 (es)
JP (1) JP2820798B2 (es)
KR (1) KR960704769A (es)
CN (1) CN1045273C (es)
AT (1) ATE202529T1 (es)
BR (1) BR9407399A (es)
CA (1) CA2170881C (es)
DE (1) DE69427561T2 (es)
ES (2) ES1028707U (es)
SG (1) SG52502A1 (es)
WO (1) WO1995006598A1 (es)

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ITMO20040203A1 (it) * 2004-07-30 2004-10-30 Sacmi Mezzi di chiuesra
JP2010030639A (ja) * 2008-07-30 2010-02-12 Kazuyuki Okamoto 容器用キャップ
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JP5007893B1 (ja) * 2011-06-08 2012-08-22 村山 哲夫 ピルファープルーフキャップ
JP6364234B2 (ja) * 2014-05-19 2018-07-25 日本クロージャー株式会社 螺子キャップ
GB2560198B (en) * 2017-03-03 2020-10-07 Guala Closures Int B V Tamper evident closure
WO2019086132A1 (en) * 2017-11-06 2019-05-09 Aptar Freyung Gmbh Dispensing closure for a fluid container
US11103654B2 (en) 2018-02-08 2021-08-31 Nordson Corporation Tamper-evident closure
DE102019203855A1 (de) * 2019-03-21 2020-09-24 Henkel Ag & Co. Kgaa Verpackungssystem für mehrkomponentige Produktzubereitungen
US20220041339A1 (en) 2020-08-07 2022-02-10 Niagara Bottling, Llc Single anchor closure
US20220177199A1 (en) * 2020-12-04 2022-06-09 Niagara Bottling, Llc Multiple asymmetric anchor container closure

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US5080246A (en) * 1989-09-01 1992-01-14 Anchor Hocking Packaging Company Closure having a spring open tamper evidencing band
US5056675A (en) * 1991-01-18 1991-10-15 Sunbeam Plastics Corporation Tether web ratchet drive tamper indicating band closure
US5176270A (en) * 1991-05-22 1993-01-05 Guala S.P.A. Tamperproof closure for bottles and the like
US5129530A (en) * 1991-09-09 1992-07-14 Owens-Illinois Closure Inc. Tamper indicating closure
ES1021753U (es) * 1992-05-29 1993-01-16 Novembal, S.A. Dispositivo de obturacion a rosca perfeccionado.

Also Published As

Publication number Publication date
EP0641721A1 (fr) 1995-03-08
ES1028707U (es) 1995-03-01
ES2158882T3 (es) 2001-09-16
SG52502A1 (en) 1998-09-28
CN1115975A (zh) 1996-01-31
WO1995006598A1 (fr) 1995-03-09
JPH08512016A (ja) 1996-12-17
BR9407399A (pt) 1996-11-05
CA2170881A1 (fr) 1995-03-09
JP2820798B2 (ja) 1998-11-05
US5779075A (en) 1998-07-14
CN1045273C (zh) 1999-09-29
KR960704769A (ko) 1996-10-09
DE69427561T2 (de) 2001-10-18
DE69427561D1 (de) 2001-08-02
ATE202529T1 (de) 2001-07-15
CA2170881C (fr) 2000-02-15

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