EP0798228A1 - Bouchon pour un récipient - Google Patents

Bouchon pour un récipient Download PDF

Info

Publication number
EP0798228A1
EP0798228A1 EP97105236A EP97105236A EP0798228A1 EP 0798228 A1 EP0798228 A1 EP 0798228A1 EP 97105236 A EP97105236 A EP 97105236A EP 97105236 A EP97105236 A EP 97105236A EP 0798228 A1 EP0798228 A1 EP 0798228A1
Authority
EP
European Patent Office
Prior art keywords
chamber
stopper
cover part
welding
stopper according
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
EP97105236A
Other languages
German (de)
English (en)
Other versions
EP0798228B1 (fr
Inventor
Jacques Roger Firmin Dafflon
Pierre-Olivier Michel Reymond
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.)
PLASPAQ SA
Original Assignee
Sarnatech Ammann SA
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 Sarnatech Ammann SA filed Critical Sarnatech Ammann SA
Publication of EP0798228A1 publication Critical patent/EP0798228A1/fr
Application granted granted Critical
Publication of EP0798228B1 publication Critical patent/EP0798228B1/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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/26—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with means for keeping contents in position, e.g. resilient means
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/30—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials for desiccators

Definitions

  • the present invention relates to a stopper for a container and a method for producing this stopper.
  • FIGS. 1 to 3 Plugs with or without a guarantee band, which are known in the prior art, are shown in FIGS. 1 to 3.
  • Figures 1 to 3 show side views, which are partially cut open axially, of plugs known in the prior art.
  • FIG. 1 shows a stopper with a guarantee band 54 of the first generation.
  • the cover 50 has the function of a carrier for four parts, namely the chamber wall 51, the compression spring 52, the olive 53 and the guarantee band 54.
  • this stopper is provided for closing a tube with an inner diameter of 27 mm and the chamber for receiving the drying agent 56 has a volume of 2.56 cm 3 , then this stopper weighs 5.5 g, without box 55 and without drying agent 56 .
  • the parts 51 to 54 are all arranged side by side and at certain distances from each other.
  • Such a stopper can only be produced in a very complicated injection mold.
  • the Demoulding takes place in 5 stages, which significantly increases the cycle time.
  • FIG. 2 shows a stopper with a guarantee band 60, in which the compression spring 61 is positioned in the extension of the olive 62.
  • the cover 64 is only a carrier of three parts.
  • this stopper has a weight of 5.0 g and is easier and faster to produce than the stopper shown in FIG.
  • the mold can be removed in 4 stages.
  • this plug must be inserted very precisely into the container opening, otherwise the compression spring 61 will be damaged.
  • FIG. 3 shows a stopper with a guarantee band 70.
  • This stopper has an empty space 71. Due to this empty space 71, part 72 of the cover is moved downward. This allows the outside dimension of the compression spring 73 to be reduced compared to the stopper shown in FIG. 2 and at the same time to maintain the advantage of the demolding in four stages.
  • This plug again has a weight of only 3.5 g for the same application described above.
  • Undesired substances such as dust, can accumulate in the empty space 71.
  • the desiccant must be introduced from the direction of the respective compression spring, ie from below.
  • the drying agent 56, 66, 76 is introduced in a separate step.
  • the plugs described above are made in one piece.
  • the injection molding of a single piece also implies that all parts are made of the same plastic and have the same color.
  • FR-A-1 090 874 describes a stopper with fewer functions and for other applications.
  • This stopper consists of a base body and a cover.
  • This base body and this cover are removably arranged for the purpose of replacing the desiccant.
  • DE-U-92 03 763.1 describes a stopper for a container with a cover part with a circumferential, tear-off securing ring.
  • the tabs are formed from wall sections of the locking ring by ultrasound.
  • This stopper is made of one piece and is one color.
  • This stopper is a first generation stopper as described above and shown in FIG. 1.
  • a stopper is to be made available in which the cover is no longer a support for various elements.
  • a plug is to be made available in which the side wall 8 has several functions.
  • a stopper is to be made available, the weight of which is again reduced compared to the stopper described above.
  • the opening of the injection mold for the production of the main element of the stopper should take place in two to a maximum of three stages so that the cycle time is shortened significantly.
  • the distance between the inner wall of the container and the outer dimension of the compression spring system 6 should be such that the stopper can be conveniently and easily placed on the container, without damaging the compression spring system 6.
  • the uppermost part of the stopper should have a regular, and preferably transparent, surface which is free of empty spaces 71.
  • the active zone of the compression spring system 6 is intended to meet the respective requirements.
  • the chamber 1 should be able to be filled with the active agent 2 from above.
  • the guarantee band should preferably have a different color than the rest of the stopper.
  • FIG. 4 shows a side view, partially cut open axially, of a stopper according to the invention.
  • FIG. 5 shows an axial section through a stopper according to the invention with a holding border 11 and element 12.
  • FIG. 6 shows an axial section through a stopper according to the invention with a base 13 and openings 14, the closure element 10 not being shown.
  • FIG. 7 shows a top view of the embodiment according to FIG. 6.
  • FIGS. 8a to 8f show possible forms of openings 14 in the bottom 13.
  • FIGS. 9a and 9b schematically show a possible way of welding the surface 7a to the closure element 10.
  • the table below contains, inter alia, the radii r and the heights h of plugs known in the prior art and a preferred embodiment of the plug according to the invention.
  • table Stopper according to figure no. Plug weight (g) Radius (mm) Height (mm) Chamber volume (cm 3 ) 1 5.5 r 1 7.5 h 1 7.25 2.56 2nd 5.0 r 2 8 h 2 6.5 2.61 3rd 3.5 r 3 7.5 h 3 8 2.83 4th 3.05 r 4 12.4 h 4 3.55 3.4
  • the height h 4 is only about half compared to the heights h 1 to h 3 .
  • the radius r 4 has been increased significantly compared to the radii r 1 to r 3 .
  • the above-mentioned enlargement of the volume of the chamber 1 has the advantage that, with a constant amount of active agent 2 to be introduced, this active agent 2 is contained in the chamber 1 in an uncompressed state.
  • the sealing and / or retention system 3 preferably has the shape of an olive, wherein grooves or lamellae are also possible.
  • This system 3 must ensure the required tightness against liquids such as water, moisture, dust or gases such as oxygen.
  • the lower part of chamber 1 can be realized in two ways:
  • the lower part of the side wall 8 is designed as a holding border 11 facing the central axis of the stopper.
  • An element 12 is placed on this holding border 11 from above.
  • This element 12 is connected to the holding border 11 by means of welding or gluing. It can also be locked in place.
  • the lower part of the chamber 1 is designed as a bottom 13 with openings 14.
  • a cover part 12a can be placed on this base 13. This cover part 12a can be fixed to the floor 13.
  • the element 12, or respectively the bottom 13 with the openings 14 and optionally the cover part 12 a, are such that the active agent 2 introduced into the chamber 1 from above is retained and the effect of the active agent 2 on the other side of the mentioned parts can unfold.
  • openings 14 depend on the particular need. Possible forms of these openings 14 are shown in FIGS. 8a to 8f.
  • the compression spring system 6 normally comprises five individual coil springs and is connected either to the holding border 11 or to the base 13.
  • the compression spring system 6 has a cylindrical shape.
  • a corresponding conical shape has the advantage of easier demolding of the injection mold.
  • the upper edge of the chamber 1 is designed as a cover part 7 facing away from the central axis of the plug and following the shape of the chamber 1.
  • This cover part 7 is preferably designed as an annular element.
  • the boundary zone 9 between the lateral inner wall 8b and the upper surface 7a is designed in such a way that it can be connected to a closure element 10 which is matched to the respective size and shape of the chamber 1.
  • connection in border zone 9 must be selected accordingly.
  • a watertight weld is indicated when a desiccant is introduced into chamber 1.
  • FIGS. 9a and 9b A possible type of this welding is shown schematically in FIGS. 9a and 9b.
  • the closure element 10 can be made of a transparent material.
  • a transparent closure element 10 allows an optical indicator to be observed.
  • a desiccant such as Blaugel
  • Indicators additionally introduced into the chamber 1 can also be observed with a transparent closure element 10.
  • the respective thickness of the closure element 10 is normally chosen depending on the size of the stopper.
  • the thickness of the closure element 10 can be approximately 1 mm.
  • the guarantee strip 4 with the retaining device 5 is located in the downward extension 18 of the above-mentioned cover part 7.
  • the outward surface of the extension 18 mentioned is not flat and not smooth.
  • this extension 18 comprises auxiliary elements 20 which favor the opening.
  • Such auxiliary elements 20 can be, for example, grooves, notches, noses, etc.
  • These grooves can be arranged side by side and can be positive or negative.
  • This surface is generally structured or embossed.
  • Simple instructions for opening a container closed with a stopper according to the invention may be present on the outward-facing surface of the closure element 10.
  • the extension 18 has at least one to about four notches 19 which simplify the first opening.
  • the main element which includes the cover part 7, and the guarantee tape 4 with the retaining device 5 are made from one part, then these parts are made from the same material and have the same color.
  • the guarantee band 4 is connected to the main element via tear-off webs, which represent predetermined breaking points.
  • said main element and the guarantee band 4 with the retaining device 5 are two different parts which are manufactured separately and which have different colors.
  • the cover part 7 and the guarantee band 4 with retaining device 5 have mutually adjoining and coordinated edge zones 17.
  • edge zones 17 can be arranged in a step shape or be inclined. They can be connected to one another by means of welding or gluing.
  • the welding or bonding can be carried out continuously or preferably by means of individual isolated points.
  • the welding can be a thermal welding, an ultrasonic welding or a laser welding.
  • This mechanical resistance of the two parts connected in this way is such that this bond holds, if a stopper according to the invention is placed over a continuous outer bead 21 on a container, and that this bond is easily destroyed by external force when it is opened for the first time.
  • This outer bead can have the shape of a chop in the axial section.
  • the retention device 5 can comprise a certain number of tabs, for example from 2 to 10 tabs, 6 tabs being preferred. These tabs are designed and placed in such a way and matched to the outer bead 21 that the removal of the stopper according to the invention is prevented as long as the main element is combined with the guarantee band 4.
  • the retaining device 5 is held back by the outer bead 21, and the separation between the main element and the guarantee band 4 takes place along the edge zone 17.
  • the container can be a tube made of metal, for example aluminum, or made of plastic, for example polypropylene, polystyrene or polyethylene terephthalate (PET).
  • metal for example aluminum
  • plastic for example polypropylene, polystyrene or polyethylene terephthalate (PET).
  • the element 12 is introduced in a second step and connected or fixed accordingly.
  • the cover part 12a can be inserted and, if desired, also fixed.
  • the lower part of the chamber 1 is thus formed.
  • the active agent 2 can now be introduced into the chamber 1 from above onto the chamber 1 prepared in this way.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Table Devices Or Equipment (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
EP97105236A 1996-03-28 1997-03-27 Bouchon pour un récipient Expired - Lifetime EP0798228B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH00811/96A CH691588A5 (de) 1996-03-28 1996-03-28 Stopfen für einen Behälter.
CH81196 1996-03-28
CH811/96 1996-03-28

Publications (2)

Publication Number Publication Date
EP0798228A1 true EP0798228A1 (fr) 1997-10-01
EP0798228B1 EP0798228B1 (fr) 2001-03-28

Family

ID=4195736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97105236A Expired - Lifetime EP0798228B1 (fr) 1996-03-28 1997-03-27 Bouchon pour un récipient

Country Status (13)

Country Link
EP (1) EP0798228B1 (fr)
AT (1) ATE200063T1 (fr)
CH (1) CH691588A5 (fr)
CZ (1) CZ290296B6 (fr)
DE (1) DE59703211D1 (fr)
DK (1) DK0798228T3 (fr)
ES (1) ES2108673T3 (fr)
GR (2) GR970300045T1 (fr)
HU (1) HU218582B (fr)
NO (1) NO311176B1 (fr)
PL (1) PL182256B1 (fr)
PT (1) PT798228E (fr)
SI (1) SI0798228T1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0974529A1 (fr) * 1998-07-18 2000-01-26 GAPLAST GmbH Bouchon avec organe hélicoidal de retenue des articles
GB2422813A (en) * 2005-02-04 2006-08-09 Henry Hobhouse Transportable system
WO2007082696A1 (fr) * 2006-01-13 2007-07-26 F. Hoffmann-La Roche Ag Cassette d'emballage pour supports de réactifs
CN103167992A (zh) * 2010-08-20 2013-06-19 刘益明 分配盖
EP4001141A1 (fr) * 2020-11-13 2022-05-25 Gaplast GmbH Bouchons pour un récipient

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1055154Y (es) * 2003-07-04 2004-02-01 Fabri Plast S A Tapon con contenedor para desecante.
DE102005059675B4 (de) * 2005-12-12 2013-04-11 Sanner Gmbh Verschluss und Verfahren zu dessen Herstellung
CN201427724Y (zh) * 2009-03-27 2010-03-24 赵舜培 一种密封结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1090874A (fr) * 1952-11-24 1955-04-05 Perfectionnements aux bouchons exsiccateurs
FR1213774A (fr) * 1958-12-10 1960-04-04 Travail Mecanique Du Verre Soc Bouchon compensateur pour flacons à comprimés et produits analogues
FR1533983A (fr) * 1967-06-13 1968-07-26 Geigy Lab Bouchon, plus particulièrement destiné à des tubes ou autres récipients pour pilules, dragées ou comprimés
FR2276238A1 (fr) * 1974-06-28 1976-01-23 Bouchage Mecanique Capsule inviolable a crans
DE9203763U1 (de) * 1992-03-12 1992-05-21 Gaplast GmbH, 8111 Altenau Stopfen für einen Behälter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1090874A (fr) * 1952-11-24 1955-04-05 Perfectionnements aux bouchons exsiccateurs
FR1213774A (fr) * 1958-12-10 1960-04-04 Travail Mecanique Du Verre Soc Bouchon compensateur pour flacons à comprimés et produits analogues
FR74630E (fr) * 1958-12-10 1960-12-26 Travail Mecanique Du Verre Soc Bouchon compensateur pour flacons à comprimés et produits analogues
FR1533983A (fr) * 1967-06-13 1968-07-26 Geigy Lab Bouchon, plus particulièrement destiné à des tubes ou autres récipients pour pilules, dragées ou comprimés
FR2276238A1 (fr) * 1974-06-28 1976-01-23 Bouchage Mecanique Capsule inviolable a crans
DE9203763U1 (de) * 1992-03-12 1992-05-21 Gaplast GmbH, 8111 Altenau Stopfen für einen Behälter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0974529A1 (fr) * 1998-07-18 2000-01-26 GAPLAST GmbH Bouchon avec organe hélicoidal de retenue des articles
GB2422813A (en) * 2005-02-04 2006-08-09 Henry Hobhouse Transportable system
WO2007082696A1 (fr) * 2006-01-13 2007-07-26 F. Hoffmann-La Roche Ag Cassette d'emballage pour supports de réactifs
US9457349B2 (en) 2006-01-13 2016-10-04 Roche Diagnostics Operations, Inc. Packaging cassette for reagent carriers
CN103167992A (zh) * 2010-08-20 2013-06-19 刘益明 分配盖
CN103167992B (zh) * 2010-08-20 2016-01-20 刘益明 分配盖
EP4001141A1 (fr) * 2020-11-13 2022-05-25 Gaplast GmbH Bouchons pour un récipient

Also Published As

Publication number Publication date
ES2108673T3 (es) 2001-08-16
NO971452L (no) 1997-09-29
HU9700665D0 (en) 1997-05-28
PL182256B1 (pl) 2001-11-30
ATE200063T1 (de) 2001-04-15
DK0798228T3 (da) 2001-06-18
NO971452D0 (no) 1997-03-26
PL319194A1 (en) 1997-09-29
ES2108673T1 (es) 1998-01-01
NO311176B1 (no) 2001-10-22
HUP9700665A3 (en) 1999-03-01
PT798228E (pt) 2001-09-28
CZ290296B6 (cs) 2002-07-17
SI0798228T1 (fr) 2001-08-31
CZ95097A3 (en) 1997-12-17
EP0798228B1 (fr) 2001-03-28
CH691588A5 (de) 2001-08-31
HU218582B (hu) 2000-10-28
GR970300045T1 (en) 1997-11-28
DE59703211D1 (de) 2001-05-03
GR3035815T3 (en) 2001-07-31
HUP9700665A2 (en) 1997-12-29

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