EP0380039A1 - Dispositif de fermeture pour ouvertures de remplissage de récipients - Google Patents

Dispositif de fermeture pour ouvertures de remplissage de récipients Download PDF

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Publication number
EP0380039A1
EP0380039A1 EP90101254A EP90101254A EP0380039A1 EP 0380039 A1 EP0380039 A1 EP 0380039A1 EP 90101254 A EP90101254 A EP 90101254A EP 90101254 A EP90101254 A EP 90101254A EP 0380039 A1 EP0380039 A1 EP 0380039A1
Authority
EP
European Patent Office
Prior art keywords
base
closure
ring
pipe socket
closure 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
EP90101254A
Other languages
German (de)
English (en)
Other versions
EP0380039B1 (fr
Inventor
Stolz Kg Heinrich
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.)
Heinrich Stolz GmbH and Co KG
Original Assignee
Heinrich Stolz GmbH and Co KG
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 Heinrich Stolz GmbH and Co KG filed Critical Heinrich Stolz GmbH and Co KG
Publication of EP0380039A1 publication Critical patent/EP0380039A1/fr
Application granted granted Critical
Publication of EP0380039B1 publication Critical patent/EP0380039B1/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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/26—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts
    • B65D47/261—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement
    • B65D47/263—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement between tubular parts
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/061—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages with telescopic, retractable or reversible spouts, tubes or nozzles
    • B65D47/063—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages with telescopic, retractable or reversible spouts, tubes or nozzles with flexible parts

Definitions

  • the invention relates to a closure made of plastic for filling openings of containers such as drums, barrels, canisters, cans or the like with a base which can be connected to the filling opening and which encompasses a tubular extension of the container forming the filling opening with an outer tubular extension and engages with a pipe socket in the latter , wherein the pipe socket and / or the pipe socket are equipped with a bulge engaging behind a projection, an edge or the like of the pipe socket, and expediently with a sealing cap overlapping the closure.
  • closures made of plastic are known, the base of which overlaps the container opening with a flange and, appropriately sealed, engages with a pipe socket. These closures are held by an L-shaped profiled ring, which surrounds and anchors the tubular extension of the container with a tubular area, while it engages and holds the base of the closure with an annular disk-shaped area. From the same publication it is also known to create the outer ring holding the base in one piece with it.
  • the connection of the closure with the Pipe approach of the container and thus its adhesion in the filling opening compared to known fastening devices improved, so that the closure still securely seals and retains the contents of the container even after severe deformations of the container, as can result from drop tests or actual mechanical overloads.
  • the base made of plastic material is able to largely adapt to any deformations of the removal opening or the tube attachment of the container thanks to its elastic deformability, and even extensive rings made of harder material are able to adapt to any deformations.
  • a not inconsiderable excess pressure occurring inside the container, for example due to the heating thereof, can also be absorbed by such closures without these being able to be released from their anchors or becoming leaky.
  • a closure which can be actuated after opening and emits the container contents in a defined, downward and easily catchable jet even after lying open barrels, barrels, canisters or the like.
  • the base of this closure is only held by a pipe socket engaging in the removal opening of the container, and disadvantageously it is noticeable that the sealing cap of this closure can protrude beyond it at low edge folds of the container, so that during storage and transportation such Special care must be taken in containers, and when assembling these closures it is disruptive that special care must be taken when aligning these closures in order to ensure that the opening of the closure is directed exactly downward after the container has been opened.
  • the invention is based on the object of further improving the connection of the generic closures with the filling opening of containers or the tube extension representing the same, so that even larger deformations of the filling opening or tube extension can be absorbed without the occurrence of leaks and Even an increased overpressure cannot impair the tightness and the fit of the closure.
  • the height should be kept low for particularly bulky closures, for example equipped with a tap.
  • a closure made of plastic is shown in the delivery state in the top view and in broken section. It is delivered in this assembled state, and in this state it remains during insertion into the filling opening of a container until it opens.
  • FIG. 4 shows the closure after removal of the horizontal cover surface 17 serving as a sealing cap in FIGS. 1 and 2 and in the pulled-out state and after opening the same.
  • FIG. 4 shows the ring-shaped base 1 of the closure equipped with a U-shaped profile, to which a spout 3, which is designed as a valve housing and a limited rotatable plug, is connected via an extended, flexible and essentially conical bellows 2 4 encloses.
  • the plug is closed at the top by a cover plate 5 resting on the free end face of the spout 3, and at its lower end the plug is provided with a groove 7 into which the lower end face of a collar 6 formed by a conical tapering of the spout 3 enters .
  • the chick 4 is axially fixed rotatably in the spout 3 and can be rotated from its closed position into the open position shown, in which its passage 8 with the outlet 9 of the spout coincides.
  • the outlet 9 is kept so long that conventional liquids are dispensed in a practically constant and not constantly changing direction.
  • an inner pipe socket 10 which can be inserted into the filling opening of a container, which can be designed, for example, as a short pipe extension, pushed out of the wall of the cover of a container, the outer end of which is a fixing one Forming an edge, inward-downward, or, as for the exemplary embodiment, folded outward-downward.
  • the base 1 has a second, outer tube extension 11, which is able to enclose such a short tube extension of the container that forms the filling opening and thus intensifies the connection between the base and the filling opening by the tube extension of the filling opening between the two, in profile two braced against one another Leg-forming pipe socket 10 and pipe socket 11 is held.
  • the axial hold is ensured in this case by the inner pipe socket 10 having a conical end on its outer jacket with a bulge, an undercut or the like arranged in front of it, in the known embodiment for outwards, with the end of the pipe attachment of the filling opening folded inwards Folded ends of pipe lugs enclosing filling openings, the inner jacket of the outer pipe lug 11 widens conically in its end region and is equipped with an inwardly projecting bead, the upper, steep flank of which forms an undercut, which, when pressed onto the pipe lug, exposes it to the outside Reaches behind the end.
  • the pipe neck 11 is designed so that it prevents the inner pipe socket 10 from evading, while on the other hand it can adapt to deformations of the filling opening or the pipe neck.
  • This binding is additionally reinforced by a ring 12 which is designed with an L-shaped profile and with a tubular region 13 engages around the outer shoulder 11 firmly and supportively.
  • Another ver Stiffness is achieved in that the ring 12 is made of stiffer, less elastic or harder plastic than the base 1, bellows 2 and spout 3 comprising part of the closure.
  • the ring 12 When the ring 12 is pushed onto the base, its ring-disk-shaped region 14 lies on the upper cover surface of the base 1 and is firmly connected to it. It has proven effective to effect this connection by welding carried out in a number of welding points 15.
  • Pointed or circular welding points 15 are shown here. However, it has also proven useful to provide the underside of the annular disk-shaped area 14 or else the upper cover surface of the base 1 with wedge-shaped elevations which, periodically interrupted, each represent segments of a circle, and allow welding, for example by means of ultrasound.
  • the ring 12 is at the same time also the carrier of the actual sealing cap: from the inner edge of the annular disk-shaped area 14 of the ring 12, a very short and thin-walled tubular, possibly also conical, extension 16 extends in steps and is through a horizontal cover surface 17 is closed, which is located directly above the chick and its handle after assembly of the closure, so that the desired low height is achieved.
  • the tubular extension 16 can also be formed by a tear tab; on the other hand, it is advisable to constrict a corresponding ring area of the cover surface 17 by means of a groove in the event that a pull tab is desired in such a way that a strip that ends in a handle and is easy to separate is produced.
  • the horizontal top surface 17 in the area of the tubular extension 16 can easily be separated from the annular disk-shaped area 14 of the ring 12 by means of a tool, for example a knife, a screwdriver or the like, and the tool is then lifted along of the tubular extension 16, the top surface 17th separated in such a way that it cannot be reattached as part of fraudulent manipulations after the container has been opened.
  • a tool for example a knife, a screwdriver or the like
  • the plug of the illustrated closure is handled in a known manner. Its cover plate 5 is equipped for better guidance of the legs 20 of a metal bracket 19 with annular collars 18, and the legs 20 of the metal bracket 19 are conical at the free end to facilitate insertion into a collar and the cover disk penetrating hole and are made by a Conical area final paragraph held after insertion.
  • a relatively tight fit of the brackets can be achieved by the area of the legs 20 located within a hole when the bracket is pulled out being adapted to the diameter of the holes with a firm fit and optionally additionally slightly knurled, while the diameter of the legs toward the yoke of the metal bracket is slight decreased.
  • a defined range of rotation of the plug is achieved if a pin 21 serving as a stop is arranged in the swivel path of the inwardly projecting ends of the legs 20;
  • the eccentric arrangement of the metal bracket 19 shown in connection with the width of the appropriately rectangular pin 21 allows a defined swivel angle of 900 to be maintained.
  • the pivoting movement required to open and close the closure is illustrated by a double arrow 23 of FIG. 3, while an arrow 24 allows the respective position of the passage 8 of the plug 4 and thus the state of the closure to be recognized.
  • the assembly of the closure on the container can be simplified and mechanized in that a cam 22 provided on the ring 12 is brought into a predetermined position during assembly.
  • this ring is rotated so that the cam 22 in a predetermined relation to the angular position of the Spout 9 of the spout 3 is so that it can be ensured that it is in a predetermined position to the container when the closure is mounted.
  • the base 1 and ring 12 can also be equipped with at least one pair of interlocking elements, for example a pin or hole or groove, in order to also necessarily achieve corresponding positions between the essential part of the closure and the cam of the ring.
  • connection between the base of a closure and a tube extension of the container surrounding a filling opening is not limited to the shut-off valve shown.
  • the bellows 2 can end with a threaded bushing for receiving a closing screw cap, or the base can be equipped directly with a corresponding threaded bushing.
  • the intensive contact by means of the U-shaped base and the tube extension of the container on both sides comprising the base in connection with the encompassing and supporting ring 12 made of suitably harder plastic.
  • An additional stiffening can be done by further rings made of stiffer and less elastic material, which can be inserted into the pipe socket 10 from above or from below as support rings 24, as indicated in the left half section of FIG. 4.
  • Such a support ring 24 is expediently held in its position after assembly by special holding elements 25 until after the closure has been applied, a tight fit is ensured by the resulting tension.
  • these holding elements can engage behind the support ring 24, but they can also be achieved by a snap-in tongue and groove connection, it not being necessary to provide circumferential grooves and circumferential projections.
  • the support ring 24 especially if it is divided at a circumferential point, it would be sufficient to provide the pipe socket 10 with a circumferential groove and the support ring 24 with short projections engaging in them ten, which should be provided at least on both sides of the subdivision and opposite it.
  • the lighter shape is recommended because of a subdivision into individual, short, claw-like holding elements at a distance.
  • a support ring inserted from above can be used, which could be made of harder, more resistant plastic or even of metal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Bag Frames (AREA)
EP90101254A 1989-01-24 1990-01-23 Dispositif de fermeture pour ouvertures de remplissage de récipients Expired - Lifetime EP0380039B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8900737U DE8900737U1 (de) 1989-01-24 1989-01-24 Verschluß für Füllöffnungen von Behältern
DE8900737U 1989-01-24

Publications (2)

Publication Number Publication Date
EP0380039A1 true EP0380039A1 (fr) 1990-08-01
EP0380039B1 EP0380039B1 (fr) 1993-08-11

Family

ID=6835319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101254A Expired - Lifetime EP0380039B1 (fr) 1989-01-24 1990-01-23 Dispositif de fermeture pour ouvertures de remplissage de récipients

Country Status (3)

Country Link
EP (1) EP0380039B1 (fr)
DE (2) DE8900737U1 (fr)
ES (1) ES2043126T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604982A1 (de) * 1996-02-12 1997-08-14 Stolz Heinrich Gmbh Verschluß für eine Ausgießöffnung eines Behälters

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643473A1 (de) * 1996-10-22 1998-04-23 Bericap Gmbh & Co Kg Behälter mit integriertem Ausgießstutzen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3442344A1 (de) * 1984-11-20 1986-05-22 Jacob Berg GmbH & Co KG, 6501 Budenheim Behaelterverschluss mit metallabdeckung
US4632282A (en) * 1984-03-02 1986-12-30 Hirohisa Nagashima Spout assembly
EP0216268A2 (fr) * 1985-09-17 1987-04-01 Heinrich Stolz GmbH & Co KG Récipient en plastique avec une fermeture
DE8814121U1 (de) * 1988-11-11 1988-12-29 Braunschweiger Metallverpackungsgesellschaft mbH, 3300 Braunschweig Kunststoffverschluß
EP0319005A2 (fr) * 1987-12-02 1989-06-07 Heinrich Stolz GmbH & Co KG Récipient muni d'une fermeture
EP0320808A1 (fr) * 1987-12-16 1989-06-21 Jacob Berg GmbH & Co. KG Fermeture en matière plastique pour récipients ouverts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632282A (en) * 1984-03-02 1986-12-30 Hirohisa Nagashima Spout assembly
DE3442344A1 (de) * 1984-11-20 1986-05-22 Jacob Berg GmbH & Co KG, 6501 Budenheim Behaelterverschluss mit metallabdeckung
EP0216268A2 (fr) * 1985-09-17 1987-04-01 Heinrich Stolz GmbH & Co KG Récipient en plastique avec une fermeture
EP0319005A2 (fr) * 1987-12-02 1989-06-07 Heinrich Stolz GmbH & Co KG Récipient muni d'une fermeture
EP0320808A1 (fr) * 1987-12-16 1989-06-21 Jacob Berg GmbH & Co. KG Fermeture en matière plastique pour récipients ouverts
DE8814121U1 (de) * 1988-11-11 1988-12-29 Braunschweiger Metallverpackungsgesellschaft mbH, 3300 Braunschweig Kunststoffverschluß

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604982A1 (de) * 1996-02-12 1997-08-14 Stolz Heinrich Gmbh Verschluß für eine Ausgießöffnung eines Behälters

Also Published As

Publication number Publication date
EP0380039B1 (fr) 1993-08-11
DE8900737U1 (de) 1989-05-24
DE59002228D1 (de) 1993-09-16
ES2043126T3 (es) 1993-12-16

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