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EP0592629A1 - Dispositif conique de bouchage etanche central. - Google Patents

Dispositif conique de bouchage etanche central.

Info

Publication number
EP0592629A1
EP0592629A1 EP93907743A EP93907743A EP0592629A1 EP 0592629 A1 EP0592629 A1 EP 0592629A1 EP 93907743 A EP93907743 A EP 93907743A EP 93907743 A EP93907743 A EP 93907743A EP 0592629 A1 EP0592629 A1 EP 0592629A1
Authority
EP
European Patent Office
Prior art keywords
sealing pin
central sealing
closure
container
fixed part
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
EP93907743A
Other languages
German (de)
English (en)
Other versions
EP0592629B1 (fr
Inventor
Werner Fritz Dubach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medisize Schweiz AG
Original Assignee
Createchnic AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Createchnic AG filed Critical Createchnic AG
Publication of EP0592629A1 publication Critical patent/EP0592629A1/fr
Application granted granted Critical
Publication of EP0592629B1 publication Critical patent/EP0592629B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/242Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving helically

Definitions

  • the invention relates to a lockable central sealing pin closure for a container, which is designed as a rotary opening closure with a fixed part which can be attached to the container or forms part of the container, and a pouring screw cap which is designed as a loose part and is height-adjustable in relation to the fixed part or the container, for setting between an open and a closed position by the relative movement of a sealing pin on the fixed part for opening in the pouring screw cap.
  • a closable central sealing pin closure is shown in US Pat. No. 3,319,843.
  • the two parts required for this are manufactured inexpensively from slightly elastically deformable plastic, as mass parts in injection molding processes.
  • Two essential basic requirements are placed on the central sealing pin lock: perfect function in use and easy assembly.
  • perfect function in use and easy assembly In the known embodiment, multiple use of the container and easy cleaning of the closure were assumed.
  • the high costs for an industrial return, cleaning and refilling are now out of proportion to the production costs, so that for many applications, especially for flowable media, such as shampoos in the household, the disposable container or the disposable bottle has prevailed.
  • a lockable central sealing pin lock is today required to be extremely user-friendly, that is to say, safe and simple operation without the risk of over-tightening.
  • the invention was based on the object that the lockable central sealing pin lock can be installed quickly and automatically with simple means.
  • the solution according to the invention is characterized in that, in addition to the thread guide, the central sealing pin lock has a twist stop that is effective in both directions, and an axial stop.
  • the known solution would indeed be mountable automatically, but only allows unambiguous positioning for the closing with a stop.
  • the new solution idea is proposed to provide a twist stop that is effective in both directions and to make assembly easier, an additional axial stop.
  • the invention is based on the fact that the mostly used plastics allow a slight elastic deformation, so that no damage occurs when two threads are puzzled over one another.
  • the invention permits various, particularly advantageous configurations.
  • the axial stop is preferably designed as a preassembly stop or as a support shoulder for a loose placement or preassembling of the loose part on the fixed part, in order to prevent disturbing contact of the threads in a preassembly position.
  • the separately manufactured loose part can first be placed loosely and remains in this position without the threads touching.
  • This allows the two parts to be brought to each other in a predetermined, axial alignment so that the threads on both parts can then be pressed one above the other so that they engage exactly in the predetermined closed position of the closure.
  • the axial stop is particularly preferred, at least on the fixed part, preferably also on the loose part, as an annular shoulder trained and thus receives the function of a ring-shaped plain bearing.
  • twist stop is formed from a radial rib and a half-shell ring part, which are each attached to either the loose part or the fixed part, then an axially projecting positioning syringe can be attached to the half-shell, which in a defined rotational position of the two parts relative to one another , in the pre-assembly position, forms a torsional resistance.
  • This position can be found, be it by hand or by appropriate automatic means, for example in the form of a mounting belt that touches lightly on the side and rotates the pouring screw cap until the half-shell touches the positioning syringe.
  • the axial stop formed by annular shoulders forms a sealing point in the open position of the central sealing pin lock, depending on the fixed part and the loose part, to prevent the backflow of the container contents in the area of the threads of both parts.
  • the container closure in two parts, or as a loose part and a fixed part on the container itself.
  • Figure 1 shows the alignment of the parts of a central sealing pin lock for assembly
  • Figure 2 shows a first pre-assembly position
  • FIG. 3 shows a position of the pouring screw cap rotated relative to FIG. 2 relative to the fixed part
  • FIG. 4 shows a thread engagement position and at the same time an open position of the central sealing pin lock
  • FIG. 5 shows a completely closed position of the central sealing pin lock
  • FIG. 6 shows the closure according to FIG. 2 on an enlarged scale.
  • FIG. 6 A fixed part 2 and a loose part 3 are shown in a pre-assembly position on a container 1.
  • the fixed part 2 is already pressed or welded onto the pouring opening 4 of the container 1.
  • the fixed part 2 should be sealed with respect to the container 1 and should not be able to be rotated.
  • the fixed part 2 has an annular ring channel 5, into which a half-shell ring part 6 of the pouring screw cap 3 can be inserted.
  • the ring channel 5 is dimensioned such that its outer surface lies sealingly against the container neck and forms the flow opening with the inner surface.
  • the upper pouring end of the fixed part 2, like the loose part 3, is designed like a beak and has openings 7 through which the liquid can flow from the inside of the container into an overflow space 8.
  • the upper end of the fixed part 2 is designed as a sealing pin 9 which fits into a corresponding sealing bore 10 of the loose part 3.
  • the loose part 3 is placed loosely on the fixed part 2 in FIG. 6 and is supported in this position by an axial stop 12.
  • the axial stop 12 is formed by an annular shoulder 13 on the fixed part and an annular shoulder 14 on the loose part. In this position, depending on the starting position, the loose part can be rotated by up to 360 ° degrees of angle and remains without axial displacement and contact of the threads 15 and 16 respectively. an upper edge 18 of a rotation stop 19 is stopped (see FIG. 3), in which position the loose part can be inserted into the ring channel 5 without risk of damage, the threads 15, 16 having to slide over one another.
  • FIGS. 1 to 5 For the function of the invention, reference is now made to FIGS. 1 to 5.
  • FIG. 1 the beginning of the assembly of the fixed part and the loose part is shown.
  • the pouring screw cap 3 is placed loosely on the fixed part 2, which is done with a simple axial movement, arrow 20, in the direction of the axis 21. It does not matter what the rotational position of the loose part at the beginning 3 to the fixed part 2.
  • the pouring screw cap 3 rests on the axial stop 12.
  • the internal thread 15 of the pouring screw cap 2 and the external thread 16 of the fixed part 2 do not come into engagement and the half-shell ring part 6 does not touch the upper edge 18 of the radial wall .
  • the half-shell ring part 6 is in any position, for example directly above the twist stop 19, which is designed as a thin radial wall. If the pouring screw cap were pressed down in this position by force, this would lead to the destruction of the half-shell ring part 6 and the twist stop 19.
  • the loose part is rotated in this case by approximately 270 ° degrees of angle, until the positioning tip 17, which already protrudes beyond the rotation stop 19, abuts against it and there is a certain resistance against it further twisting forms.
  • the positioning syringe 17 is dimensioned so strongly that there is sufficient resistance to further rotation by a laterally engaging rubbing drive belt for automatic assembly.
  • the rotation is indicated by arrow 22. It can be seen from FIG. 3a that the half-shell ring part 6 is located next to the twist stop 19 for further axial movement of the pouring screw cover 3.
  • FIG. 3a shows that the half-shell ring part 6 is located next to the twist stop 19 for further axial movement of the pouring screw cover 3.
  • the pressing in of the pouring screw cover 3 or the jumping-over of the axial stop is symbolic with a hammer 23 12, the threads 15, 16 coming into engagement at the end of this axial movement and the closure reaching the complete closed position.
  • FIG. 4 the fully opened position of the closure is shown at the same time, in which position the liquid “FI” can escape through the openings 7 and the overflow space 8.
  • the axial stops designed as ring shoulders 13, 14 perform a sealing function by the two shoulders touching one another. This avoids backflow of the liquid through the space 24 into the area of the threads 15, 16.
  • the pouring screw cap is brought into the completely closed position by means of the threads 15, 16, the sealing pin 9 and the sealing bore 10 together forming a valve closure. It is also interesting that in this position the ring shoulders 12 and 13 to the opposite one Wall can perform a sealing function to the rear, so that even in this position, no liquid flows back into the threads.
  • the rotary closing movement is indicated by arrow 26, wherein it can be seen from FIG. 5a that the half-shell ring part 6 in turn rotates 180 ° from the opposite side against the rotary stop 19 in a position rotated by FIG. 4a.
  • This means that both the open and the closed position are clearly limited by fixed stops during use. It is not possible to continue turning on either side and the pouring screw cap cannot be removed without tools.
  • the central sealing pin lock is thus simple and safe for the consumer in every respect, all the desired functions are optimally fulfilled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Glass Compositions (AREA)
  • Centrifugal Separators (AREA)
  • Seal Device For Vehicle (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

Le dispositif conique de bouchage étanche central consiste en une partie fixe (2) et en une partie amovible (3) et comprend également, outre une fermeture à vis filetée (15, 16), une butée axiale (12) et une butée de rotation (19). Il en résulte un montage particulièrement simple dans lequel plusieurs positions de montage préliminaire et intermédiaire peuvent être déterminées. Lors de l'utilisation il existe malgré tout une butée de rotation qui forme des deux côtés un arrêt de rotation, pour la position d'ouverture complète comme pour celle de fermeture complète. La fonction d'étanchéité est garantie simultanément pour pallier un éventuel reflux indésirable de liquide dans la zone du filetage.
EP93907743A 1992-05-04 1993-04-16 Dispositif conique de bouchage etanche central Expired - Lifetime EP0592629B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH142292A CH686245A5 (de) 1992-05-04 1992-05-04 Zentraldichtstiftverschluss.
CH1422/92 1992-05-04
PCT/CH1993/000099 WO1993022212A1 (fr) 1992-05-04 1993-04-16 Dispositif conique de bouchage etanche central

Publications (2)

Publication Number Publication Date
EP0592629A1 true EP0592629A1 (fr) 1994-04-20
EP0592629B1 EP0592629B1 (fr) 1996-07-03

Family

ID=4210093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93907743A Expired - Lifetime EP0592629B1 (fr) 1992-05-04 1993-04-16 Dispositif conique de bouchage etanche central

Country Status (9)

Country Link
US (1) US5501377A (fr)
EP (1) EP0592629B1 (fr)
AT (1) ATE139970T1 (fr)
AU (1) AU3886393A (fr)
CA (1) CA2112812A1 (fr)
CH (1) CH686245A5 (fr)
DE (1) DE59303124D1 (fr)
ES (1) ES2089809T3 (fr)
WO (1) WO1993022212A1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302087B (en) * 1995-06-09 1999-01-27 Body Shop Int Plc Dispensing apparatus
US5772076A (en) * 1996-07-26 1998-06-30 White Cap, Inc. Hot fill dispensing closure
US5931356A (en) * 1997-06-27 1999-08-03 Dart Industries Inc. Dispenser for oil/vinegar bottle
WO2000015540A1 (fr) * 1998-09-15 2000-03-23 Loctite Corporation Assemblage de fermeture a orifice distributeur
US6357635B1 (en) 1999-09-15 2002-03-19 Loctite Corporation Dispensing closure assembly
US6135329A (en) * 1999-10-11 2000-10-24 Creative Packaging Corp. Universal base pull/push-twist closure
US6513681B2 (en) * 2001-02-22 2003-02-04 Seaquist Closures Foreign, Inc. Spray closure with a push-pull seal
IL159441A0 (en) * 2001-07-03 2004-06-01 Beeson & Sons Ltd Closure assembly with valve
GB0116306D0 (en) * 2001-07-03 2001-08-29 Beeson & Sons Ltd Closure assembly with pour spout
FR2828871B1 (fr) * 2001-08-22 2003-12-19 Oreal Dispositif de conditionnement et de distribution sous pression d'un produit
US6568566B2 (en) * 2001-09-21 2003-05-27 Erie Plastics Corporation Container closure with horizontal and vertical seals
DE10232088A1 (de) * 2002-07-15 2004-02-05 Endress + Hauser Gmbh + Co. Kg Verdrehsicherung, insbesondere für ein Meßumformergehäuse
US20070205229A1 (en) * 2002-07-22 2007-09-06 Schmeisser William C Multiple Layer Beverage Closure
US8608001B2 (en) * 2006-04-25 2013-12-17 Berry Plastics Corporation Mold-in-place two shot seal
US7887731B2 (en) * 2006-04-25 2011-02-15 Rexam Closures And Containers Inc. Method of molding an overmolded beverage closure
GB0718558D0 (en) * 2007-09-24 2007-10-31 Chemence Ltd A two-part closure cap for a container
US9072580B2 (en) * 2008-05-07 2015-07-07 Joseph Alvino Combination eye cup and drop dispenser
WO2010012558A1 (fr) * 2008-08-01 2010-02-04 Unilever Plc Composition capillaire emballée
US20110006077A1 (en) * 2009-07-08 2011-01-13 Gary Stein Peterson Self-cleaning, reusable dispensing system for viscous fluids
CN103190761B (zh) * 2013-04-26 2016-07-27 郑春根 端部旋转启闭的化妆品容器
US11752294B2 (en) 2019-01-31 2023-09-12 Avent, Inc. Respiratory access assembly with improved seal assembly
US20210155382A1 (en) * 2019-11-26 2021-05-27 Eternal Ink, LLC Tamper Evident Container
JP7764228B2 (ja) * 2021-12-08 2025-11-05 花王株式会社 スパウト

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263851A (en) * 1964-05-14 1966-08-02 American Can Co Container closure
US3259282A (en) * 1964-09-08 1966-07-05 Jellesen Poul Tube closure device
US3319843A (en) * 1965-12-06 1967-05-16 Stull Engraving Co Captive closure cap construction
US3768698A (en) * 1971-09-20 1973-10-30 Cor Sen Plastic Ltd Pour spout
US4646949A (en) * 1986-01-02 1987-03-03 Gene Stull Captive dispensing cap construction
US5037406A (en) * 1988-06-20 1991-08-06 Smith William L Eyedrop applicator attachment
IS1579B (is) * 1989-01-06 1995-06-08 Cebal Brúsi til að skammta krem eða deigkennd efni með miðjusettu opi eða skammtara, sem snúa má með hettunni
CH679573A5 (fr) * 1989-08-11 1992-03-13 Kisling & Cie Ag S
US5044530A (en) * 1990-02-09 1991-09-03 Gene Stull Ribbon-type dispensing cap having an axial closure blade that rotates along with an outer aperatured cap but remains longitudinally stationary

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9322212A1 *

Also Published As

Publication number Publication date
EP0592629B1 (fr) 1996-07-03
WO1993022212A1 (fr) 1993-11-11
ATE139970T1 (de) 1996-07-15
ES2089809T3 (es) 1996-10-01
CH686245A5 (de) 1996-02-15
US5501377A (en) 1996-03-26
DE59303124D1 (de) 1996-08-08
CA2112812A1 (fr) 1993-11-11
AU3886393A (en) 1993-11-29

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