EP0373569A2 - Récipient avec capuchon à vis muni d'un élément de garantie - Google Patents

Récipient avec capuchon à vis muni d'un élément de garantie Download PDF

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Publication number
EP0373569A2
EP0373569A2 EP89122858A EP89122858A EP0373569A2 EP 0373569 A2 EP0373569 A2 EP 0373569A2 EP 89122858 A EP89122858 A EP 89122858A EP 89122858 A EP89122858 A EP 89122858A EP 0373569 A2 EP0373569 A2 EP 0373569A2
Authority
EP
European Patent Office
Prior art keywords
filler neck
container
screw cap
cams
neck
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Withdrawn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
EP89122858A
Other languages
German (de)
English (en)
Other versions
EP0373569A3 (fr
Inventor
Heinrich Stolz
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 EP0373569A2 publication Critical patent/EP0373569A2/fr
Publication of EP0373569A3 publication Critical patent/EP0373569A3/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Withdrawn legal-status Critical Current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
    • 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
    • B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
    • B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges

Definitions

  • the invention relates to a container, in particular made of plastic, with a screw cap closing its filler neck, which is equipped with a cylindrical sealing neck which surrounds the filler neck and which, when the screw cap is screwed onto the filler neck, has inwardly projecting projections the lower steep flank of a conical neck of the filler neck engages behind.
  • the screw cap can be made in one piece with the sealing neck, and when the screw cap is screwed onto the filler neck, the projections of the seal neck are pressed over the flat flank of the conical ring neck of the filler neck under axial pressure, behind which they snap into place.
  • the protrusions are essentially behind the steep flank of the conical ring shoulder, and the tensile forces that occur in connection with the moments applied when unscrewing destroy the connection between the base of the screw cap and its sealing attachment, so that this essentially on the The filler neck remains and indicates the opening of the container.
  • the invention is therefore based on the object of developing a container with a screw cap that closes it and is equipped with a sealing attachment in such a way that when the opening is opened for the first time, the sealing attachment is securely separated without the tendency to at least regions thereof via the conical annular attachment of the filler neck pull so that the separated sealing attachment remains firm, secure and without disturbing the filler neck behind its conical ring attachment.
  • FIG. 1 shows the upper part of a plastic container 1, shown broken off, to which a filler neck 2 equipped with a screw thread 6 is formed. Below the thread, the filler neck 2 has an essentially cylindrical region 3, which is delimited at the top by a conical ring shoulder 4.
  • Two diametrically opposed wedge-shaped projections 5 extend beyond the cylindrical region 3 to the lower edge of the conical ring shoulder 4 and turn their flat flanks 14 towards them when the associated screw cap 7 is screwed on. As shown, the steep rear flanks can run approximately radially, but they can also run completely radially or undercut be.
  • the wedge-shaped projections 5 are explained in more detail in the horizontal section of FIG. 2 which is guided through the cylindrical region 3.
  • the screw cap 7 according to FIG. 3 is provided for closing the filler neck 2.
  • a conical indentation 8 of the top surface of the screw cap 7 is used for the defined sealing of the filler neck 2.
  • the nut thread of the screw cap is brought close to the disk-shaped base 9. From this pin 10 of small cross-section extend to a cylindrical sealing neck 11, so that these pins carry the sealing neck as predetermined breaking points.
  • the sealing attachment is equipped with inwardly projecting cams 12 which are wedge-shaped in such a way that the flat flanks 13 of the cams 12 are advanced when the screw cap is screwed on. For easier molding of these cams 12 and additional tabs 15, the sealing attachment 11 is in each case equipped with openings 16 arranged above the cams 12 or tabs 15.
  • the sheared sealing attachment 11 clearly indicates that the screw cap 7 has already been loosened and the container has thus been opened.
  • the sealing approach 11 has been saved from axial tensile forces, so that it clearly remains on the cylindrical region 3 of the filler neck 2 arranged behind the conical ring approach 4 and thus subsequent removal processes, a screwing of the screw cap again 7 or the like is not able to hinder: it remains with a relatively firm fit clearly on the cylindrical region 3.
  • the application of the sealing attachment 11 is supported by weakly inwardly rising lower surfaces of the cams and the tabs, as well as their horizontally oriented surfaces ensuring that they remain securely on the cylindrical region 3 of the filler neck 2.
  • the innovation is capable of a number of changes without affecting its effectiveness.
  • the conical indentation 8 of the top surface of the screw cap can be replaced by conical rings which are known per se, and also arrangement and.
  • the design of the pins, cams and tabs can be changed.
  • the tabs shown can be replaced by corresponding cams. It is only important that the cams 12 and the wedge-shaped projections 5 form a type of locking mechanism which allows the screw cap 7 to be screwed on easily, but when unscrewing it locks the sealing attachment 11 in such a way that it is sheared off the base 9 of the screw cap 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP19890122858 1988-12-10 1989-12-11 Récipient avec capuchon à vis muni d'un élément de garantie Withdrawn EP0373569A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8815335U 1988-12-10
DE8815335U DE8815335U1 (fr) 1988-12-10 1988-12-10

Publications (2)

Publication Number Publication Date
EP0373569A2 true EP0373569A2 (fr) 1990-06-20
EP0373569A3 EP0373569A3 (fr) 1990-10-31

Family

ID=6830631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890122858 Withdrawn EP0373569A3 (fr) 1988-12-10 1989-12-11 Récipient avec capuchon à vis muni d'un élément de garantie

Country Status (2)

Country Link
EP (1) EP0373569A3 (fr)
DE (1) DE8815335U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7637384B2 (en) 2002-08-09 2009-12-29 Crown Packaging Technology, Inc. Tamper evident closure with locking band and container therefor
US20040045925A1 (en) 2002-09-11 2004-03-11 Seidita Thomas M. Tamper evident closure with locking band

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162712A (en) * 1936-07-09 1939-06-20 Hamberger John Container and closure therefor
EP0146237A1 (fr) * 1983-10-27 1985-06-26 Continental White Cap, Inc. Fermeture présentant une bande d'inviolabilité
EP0281284A2 (fr) * 1987-03-04 1988-09-07 Cope Allman Plastics Limited Fermeture inviolable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162712A (en) * 1936-07-09 1939-06-20 Hamberger John Container and closure therefor
EP0146237A1 (fr) * 1983-10-27 1985-06-26 Continental White Cap, Inc. Fermeture présentant une bande d'inviolabilité
EP0281284A2 (fr) * 1987-03-04 1988-09-07 Cope Allman Plastics Limited Fermeture inviolable

Also Published As

Publication number Publication date
DE8815335U1 (fr) 1989-02-16
EP0373569A3 (fr) 1990-10-31

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