EP0443558A1 - Fermeture en matière plastique pour récipient - Google Patents

Fermeture en matière plastique pour récipient Download PDF

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Publication number
EP0443558A1
EP0443558A1 EP91102475A EP91102475A EP0443558A1 EP 0443558 A1 EP0443558 A1 EP 0443558A1 EP 91102475 A EP91102475 A EP 91102475A EP 91102475 A EP91102475 A EP 91102475A EP 0443558 A1 EP0443558 A1 EP 0443558A1
Authority
EP
European Patent Office
Prior art keywords
closure
ring
container
filling opening
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.)
Withdrawn
Application number
EP91102475A
Other languages
German (de)
English (en)
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 EP0443558A1 publication Critical patent/EP0443558A1/fr
Withdrawn legal-status Critical Current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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38—Devices for discharging contents
    • B65D25/40—Nozzles or spouts
    • B65D25/42—Integral or attached nozzles or spouts

Definitions

  • the invention relates to a plastic consisting of and with its base sealingly insertable into a filling opening of a container, preferably made of sheet metal, and engaging behind edges and / or beads of the filling opening, the projections of the base being held, which can be molded with a bellows, if necessary Threaded socket for receiving a screw cap closing it is equipped.
  • Such closures are widely used for closing containers made of sheet metal, which can be designed as round cans or in the form of canisters.
  • overloading the sheet metal walls such as can occur, for example, when a container falls from a loading surface or when carrying out drop tests, can lead to permanent deformations or deformations, which in particular then seals the closure are able to impair if such deformations occur in the area of the filling opening.
  • this area is particularly sensitive to deformation, since on the one hand the top floor is weakened anyway by introducing the filling opening and the edge of the filling opening is reinforced by the edge bead is, however, the stiffening it achieves limits elastic deflection when local overstressing occurs.
  • the invention is therefore based on the object to provide a closure made of plastic, which holds the container securely and reliably even in the event of mechanical overloading of the container and whose boundary protects against deformations caused by mechanical overloading and the sealing which adversely affects the seal.
  • closure is provided with a radially projecting baffle ring which overlaps an edge zone of its upper floor which surrounds the filling opening of the container.
  • FIG. 1 shows a container 1 made of sheet metal, which is designed as a round box.
  • annular pipe socket 3 which defines the filling opening and is pressed inwards, into which the base 4 of the closure 5 made of plastic is pressed.
  • a downwardly tapered annular bead 6 facilitates the introduction of the base 4 of the closure into the pipe socket 3, and the steeper rear flank of this ring bead is supported after the insertion against the free cutting edge of the pipe socket 3 and thus gives the closure 5 a reliable one and sealed seat secured against pulling out.
  • a screw socket 8 connects to the base via an upwardly tapering transition part 7, the external thread of which can accommodate a screw cap (not shown) to complete the closure.
  • a sealing disk 9 molded over thin edge strips, which is easily removable by means of a molded-on handle 10 when opening the container.
  • the base 4 is adjoined by a baffle ring 11 which engages over a wide edge zone of the filling opening which surrounds the annular bead 6.
  • this impact ring increases from its outer contour in the direction of the base 4, and although it lies over the substantial width of the edge zone on the upper floor 2 of the container, in the area adjacent to the pipe socket 3, however, it stands out from the direct surroundings from the top floor to form an annular free space 12.
  • the baffle ring 11 such that when the closure 5 is pressed into the pipe socket 3 of the container 1 and the snap-in of the closure then the substantial width of the edge zone of the baffle ring 11 is already pretensioned on the upper floor 2 of the container 1 .
  • the impact ring 11 impacts is already caused by its elasticity, the energies dampens and reduces forces and in particular also causes a distribution to a larger supporting area of the top surface 2, so that impact forces striking the top surface also by distribution be reduced in terms of their surface pressure.
  • the impact ring is designed with a reduced thickness in the area of its outer contours and increases in thickness towards the base 4. Basically, the outer areas of its base lie on the surface of the upper floor 2, while the annular free space 12 is formed centrally.
  • a circular box with a top bottom that rises conically towards the center is selected as the container 1, so that a conical design also results for the baffle ring, the slope of the baffle ring 11 continuing in the exemplary embodiment in that of the transition part 7.
  • the areas of the baffle ring 11 which overlap the direct surrounding areas of the filling opening and thus also the base 4 of the closure 5 prove to be particularly shock-resistant due to their reinforcement by the adjoining base 4.
  • a further safeguard against direct overloading of the annular bead 6 and its immediate surroundings is achieved in that the impact ring 11 no longer rests in the immediate area of the pipe socket 3, but rather stands out from the upper floor to form an annular free space 12.
  • This lifting can, as shown in the figure, be carried out by slightly pulling in the top panel in the immediate area of the pipe socket 3.
  • Such free space can also be achieved by locally increasing the slope of the baffle ring itself, as well as by locally reducing its strength by raising its lower surface, although the load capacity of the baffle ring is slightly reduced by the latter measure.
  • combinations of all three measures are possible. It is hereby achieved that when impacts occur in the area of the pipe socket 3, which could endanger them, these impacts are initially taken only by the impact ring 11, reinforced by the adjoining base 4, and only after elastic clearance has occurred according to the height of the free space 12 of the baffle ring 11 this is intercepted by the top floor 2, so that only further occurring loads are absorbed by the baffle ring 11 and the top floor 2 together.
  • the protection of a not inconsiderable edge zone surrounding the filling opening of the same from it deforming external forces can be applied to containers and plastic closures of any kind, that is to say not only to the circular box shown as an exemplary embodiment, but also to any shaped canister with, for example, a rectangular base area or also conically assembled round boxes.
  • the base engages in a sealing and holding manner in the filling opening itself and that the pipe socket 3 holding the closure is pressed inwards.
  • the protective impact ring will be essentially flat, and it is also possible to design its contour not circular, but for example elliptical or rectangular or square with rounded corners.
  • the pipe socket can also be pushed upwards out of the top floor, and the base part can engage behind its cut edge with an annular bead arranged in the outer jacket of an annular groove.
  • a container 1 is shown, in the pipe socket 3 of its top 2, the base 4 of a modified closure 5 is inserted, the baffle ring 11 is replaced by a number of star-shaped or approximately radial rungs 13.
  • the rungs 13 can be connected to one another by a thin cover layer 14 injection-molded with them, and if necessary the free ends of the rungs are also encompassed by the cover layer 14.
  • the rungs 13 and the top floor 2 are formed in direct connection to the pipe socket 3 so that an annular space 12 is formed in the root region of the rungs 13 between their lower surfaces and the surface of the top floor.
  • the free ends of the rungs 13, on the other hand, are loose, expedient but preloaded, on the top floor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP91102475A 1990-02-22 1991-02-21 Fermeture en matière plastique pour récipient Withdrawn EP0443558A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9002135U 1990-02-22
DE9002135U DE9002135U1 (de) 1990-02-22 1990-02-22 Aus Kunststoff bestehender Verschluß für Behälter

Publications (1)

Publication Number Publication Date
EP0443558A1 true EP0443558A1 (fr) 1991-08-28

Family

ID=6851298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91102475A Withdrawn EP0443558A1 (fr) 1990-02-22 1991-02-21 Fermeture en matière plastique pour récipient

Country Status (2)

Country Link
EP (1) EP0443558A1 (fr)
DE (1) DE9002135U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005058716A1 (fr) * 2003-12-17 2005-06-30 Crown Packaging Technology Inc Contenant metallique refermable
US7832589B2 (en) 2003-12-17 2010-11-16 Crown Packaging Technology, Inc. Reclosable metal container

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061411A1 (de) * 2000-12-09 2002-06-27 Heinrich Stolz Gmbh Behälter mit auf dessen Behälterstutzen aufgerastetem Verschlussteil
US20150075661A1 (en) * 2011-09-21 2015-03-19 Silicon Fire Ag Apparatus for receiving, storing, carrying, and discharging a liquid, as well as an overall system and vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029988A (en) * 1957-01-18 1962-04-17 Crown Cork & Seal Co Pouring spout for a container
GB1123783A (en) * 1965-10-19 1968-08-14 Metal Box Co Ltd Improvements in or relating to containers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029988A (en) * 1957-01-18 1962-04-17 Crown Cork & Seal Co Pouring spout for a container
GB1123783A (en) * 1965-10-19 1968-08-14 Metal Box Co Ltd Improvements in or relating to containers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005058716A1 (fr) * 2003-12-17 2005-06-30 Crown Packaging Technology Inc Contenant metallique refermable
US7832589B2 (en) 2003-12-17 2010-11-16 Crown Packaging Technology, Inc. Reclosable metal container

Also Published As

Publication number Publication date
DE9002135U1 (de) 1990-04-26

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19910301

AK Designated contracting states

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Effective date: 19921105

18W Application withdrawn

Withdrawal date: 19921202