EP0662427A1 - Bouchon de fermeture en matière plastique vissable à la machine - Google Patents

Bouchon de fermeture en matière plastique vissable à la machine Download PDF

Info

Publication number: EP0662427A1
Authority: EP; European Patent Office
Prior art keywords: screw cap; plastic screw; cap according; plastic; prominences
Prior art date: 1994-01-05
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

EP94119731A

Other languages

German (de)

English (en)

Other versions

EP0662427B1 (fr

Inventor

Ernst Wiedmer

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.)

EWIT AG

Original Assignee

EWIT 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.)

1994-01-05

Filing date

1994-12-14

Publication date

1995-07-12

1994-01-05 Priority claimed from CH2694A external-priority patent/CH687922A5/de

1994-01-05 Priority claimed from CH2594A external-priority patent/CH687695A5/de

1994-12-14 Application filed by EWIT AG filed Critical EWIT AG

1995-07-12 Publication of EP0662427A1 publication Critical patent/EP0662427A1/fr

1999-11-10 Application granted granted Critical

1999-11-10 Publication of EP0662427B1 publication Critical patent/EP0662427B1/fr

2014-12-14 Anticipated expiration legal-status Critical

Status 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
- 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
- B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
- B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges
- 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
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0471—Threaded or like caps or cap-like covers secured by rotation with means for positioning the cap on the container, or for limiting the movement of the cap, or for preventing accidental loosening of the cap

Definitions

the invention described here relates to a plastic screw cap suitable for controlled, mechanical placement on containers with a rotating thread on the container neck, its manufacture and its special use.
This invention lies in the field of designing the closure so that it is particularly well suited for a more secure and controlled type of initial mechanical installation. Of course, this must not reduce the fulfillment of the other requirements mentioned above.
closures are, as stated, mechanically screwed onto the container neck during the first closure.
the relatively high dimensional tolerances prevent very high screwing speeds and thus closure frequencies. This problem largely disappears with injection molded or blown bottles - especially with polyethylene terephthalate bottles.
all containers with screw caps there are problems with the completion of the individual unscrewing process.
Braking devices or elements according to known closures e.g. those according to US Patent No. 3,435,978 or FR Patent Application No. 84/13575, according to the applicant's knowledge, do not provide the technical advantage made possible by this invention.
This invention lies in the field of the design of the closure, and in such a way that it indicates the first opening in a perfectly safe manner.
Such closures are, as stated, mechanically screwed onto the container neck during the first closure. As long as this happens with glass bottles, the process will include slightly inhibited by the relatively large dimensional tolerances in a glass bottle neck. In the case of injection-molded plastic bottles - especially polyethylene terephthalate bottles - the screw-on speeds and thus also the closing frequencies can be increased. Problems arise when reaching under the constriction on the neck of the container due to the formations provided in / on the guarantee ring.
the plastic screw cap according to the invention for the controlled mechanical initial closing of containers with a rotating thread on the container neck, having the counter thread corresponding to the container neck thread on the inner wall of the hollow closure cylinder, is characterized by several material prominences on the round edge, formed by the inner wall of the Locking hollow cylinder and the cover plate, for the purpose of practically transition-free termination of the unscrewing movement due to the impact of the protruding container neck thread end on the prominent person (s) mentioned.
the prominences preferably show an impact wall which is approximately perpendicular with respect to the direction of the container neck thread end when unscrewed.
the prominences are usually cuboids, which merge into the hollow cylinder with one surface and into the cover plate with an adjacent surface.
the cuboids are advantageously attached one behind the other, wherein when the cap is mechanically screwed on, each time the container thread end strikes one of the opposing cuboid walls, a discontinuous torque change occurs without the cuboids being destroyed in the process.
the said round edge between the inner walls of the hollow locking cylinder and the cover plate can be reinforced by a continuous ring torus with an approximately rectangular cross section.
the plastic screw cap mentioned preferably also has a first opening guarantee ring and thus becomes one Guarantee screw cap.
plastic screw cap there are separately arranged, inwardly projecting material prominences in the upper part of the guarantee band with rounded contact surfaces and sliding bodies, the latter tapering to approximately the middle of the height of the guarantee band, and, in the lower part of the guarantee band, increasing towards the bottom and provided continuously or discontinuously changing wall or material thickness of the guarantee tape.
the triangular, semicircular or trapezoidal wall reinforcements arranged in the lower part of the guarantee band between the material prominences can have base sides that coincide with the band bottom edge.
the material reinforcement which is arranged in the lower part of the guarantee band and which may be interrupted between the material prominences, the latter possibly interrupted between the material prominences and which is a circular cylinder, a circular pyramid or a circular ring (torus).
the manufacture of the plastic screw closure according to the invention is characterized in that the entire closure including material prominences, reinforcements and material cuboid is injection molded from suitable plastic.
the plastic screw cap mentioned is used for the mechanical first closing of glass or plastic, in particular PET bottles, with suitable container neck threads and constrictions, especially in systems on screw-on holding devices which respond to discontinuous torque changes.
1.1 denotes the reinforcing torus which may be present on the round edge between the inner surfaces of the hollow locking cylinder and the cover plate.
the inner surface of the locking hollow cylinder is designated 1.2.
1.3 denotes the upper turns of the screw thread from the closure.
the cuboids 1.4 to 1.6 are provided as celebrities according to the invention.
FIG. 1b corresponding to the figure just described represents the same part of the closure in a view from above; the visible elements are provided with the same reference numbers.
the cuboid 1.4 is certainly not destroyed due to the material of the closure - i.e. separated from the closure body - just pressed together.
2.1 denotes the webs producing the connection between the guarantee ring 2.2 and the locking cylinder, not shown.
the material prominences 2.3 in the form of sliding barbs under the constriction at the bottom of the container neck are arranged in the upper half of the guarantee band.
Approximately trapezoidal material reinforcements 2.4 are provided between the sliding barbs mentioned, running against the lower edge of the guarantee band.
FIG. 2b schematically shows a section along the straight line A A ' ⁇ (see Figure 2a).
the material prominence 2.3 has a bearing surface 2.5 (rounded off in the top view) and a sliding wedge 2.6.
FIG. 2c shows a section along the straight line B B ' ⁇ :
the material reinforcement 2.4 shows an increasing wall thickness towards the lower edge of the guarantee ring 2.7.
the material prominences 3.3 in the form of sliding barbs under the constriction at the bottom of the container neck are arranged in the upper half of the guarantee band. Below the sliding barbs mentioned, the material reinforcement 3.4 is provided, running against the lower edge of the guarantee band.
FIG. 3b schematically shows a section along the line A A '(see FIG. 3a).
the material prominence 3.3 has a bearing surface 3.5 (rounded off in the top view) and a sliding wedge 3.6.
FIG. 3c finally shows a section along the line B B ': the material reinforcement 3.4 shows an increasing wall thickness towards the lower edge of the guarantee ring 3.7.
This reinforcement can, as indicated by the dashed line in FIG. 3a, be interrupted below the material prominences 3.3.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Closures For Containers (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Adornments (AREA)

EP94119731A 1994-01-05 1994-12-14 Bouchon de fermeture en matière plastique vissable à la machine Expired - Lifetime EP0662427B1 (fr)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
CH2694		1994-01-05
CH25/94		1994-01-05
CH2594		1994-01-05
CH2694A CH687922A5 (de)	1994-01-05	1994-01-05	Maschinell aufsetzbarer Kunststoff-Schraubverschluss.
CH2594A CH687695A5 (de)	1994-01-05	1994-01-05	Maschinell aufsetzbarer Garantie-Schraubverschluss, insbesondere zum Aufsetzen auf Glas- und Kunststoff-Flaschen.
CH26/94		1994-01-05

Publications (2)

Publication Number	Publication Date
EP0662427A1 true EP0662427A1 (fr)	1995-07-12
EP0662427B1 EP0662427B1 (fr)	1999-11-10

Family

ID=25683287

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94119731A Expired - Lifetime EP0662427B1 (fr)	1994-01-05	1994-12-14	Bouchon de fermeture en matière plastique vissable à la machine

Country Status (5)

Country	Link
EP (1)	EP0662427B1 (fr)
AT (1)	ATE186511T1 (fr)
DE (1)	DE59408916D1 (fr)
ES (1)	ES2140494T3 (fr)
PT (1)	PT662427E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19521924A1 (de) *	1994-06-24	1996-01-18	Lange Gmbh Dr Bruno	Gefäß mit Schraubverschluß sowie Vorrichtung zum automatisierten Verschließen des Gefäßes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4232499A (en) *	1978-08-01	1980-11-11	John H. Holstein	Capper chuck
US4289248A (en) *	1979-10-15	1981-09-15	Becton, Dickinson And Company	Container closure assembly having intermediate positioning means
WO1990010581A2 (fr) *	1989-03-14	1990-09-20	Crown Cork Ag	Bouchon filete en matiere plastique
BE1002773A3 (fr) *	1989-03-14	1991-06-04	Ultimos Desarrollos	Dispositif de butee pour filets de vis de capsules de bouchage.
EP0565130A1 (fr) *	1992-04-10	1993-10-13	Jürgen Sooth	Bouchon

1994
- 1994-12-14 EP EP94119731A patent/EP0662427B1/fr not_active Expired - Lifetime
- 1994-12-14 PT PT94119731T patent/PT662427E/pt unknown
- 1994-12-14 DE DE59408916T patent/DE59408916D1/de not_active Expired - Fee Related
- 1994-12-14 AT AT94119731T patent/ATE186511T1/de not_active IP Right Cessation
- 1994-12-14 ES ES94119731T patent/ES2140494T3/es not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4232499A (en) *	1978-08-01	1980-11-11	John H. Holstein	Capper chuck
US4289248A (en) *	1979-10-15	1981-09-15	Becton, Dickinson And Company	Container closure assembly having intermediate positioning means
WO1990010581A2 (fr) *	1989-03-14	1990-09-20	Crown Cork Ag	Bouchon filete en matiere plastique
BE1002773A3 (fr) *	1989-03-14	1991-06-04	Ultimos Desarrollos	Dispositif de butee pour filets de vis de capsules de bouchage.
EP0565130A1 (fr) *	1992-04-10	1993-10-13	Jürgen Sooth	Bouchon

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19521924A1 (de) *	1994-06-24	1996-01-18	Lange Gmbh Dr Bruno	Gefäß mit Schraubverschluß sowie Vorrichtung zum automatisierten Verschließen des Gefäßes
DE19521924C2 (de) *	1994-06-24	1999-08-05	Lange Gmbh Dr Bruno	Schraubverschluß für ein Gefäß sowie Vorrichtung zum automatisierten Verschließen des Gefäßes

Also Published As

Publication number	Publication date
DE59408916D1 (de)	1999-12-16
ES2140494T3 (es)	2000-03-01
PT662427E (pt)	2000-04-28
ATE186511T1 (de)	1999-11-15
EP0662427B1 (fr)	1999-11-10

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Publication	Publication Date	Title
AT395573B (de)	1993-01-25	Behaelter aus kunststoff mit kreisfoermigem querschnitt
EP0593396B1 (fr)	1996-01-31	Fermeture de garantie en matière plastique
DE69431606T2 (de)	2003-03-20	Hochdruck-Sicherheitsverschluss-Einheit an Behältern für kohlensäurehaltige Getränke
DE69626419T2 (de)	2003-12-24	SCHRAUBVERSCHLUSSKAPPE FüR DRUCKBEHäLTER
DE3421820A1 (de)	1985-12-19	Originalitaetsverschluss
EP0076778A1 (fr)	1983-04-13	Bouchon de fermeture en matière plastique
DE1959467A1 (de)	1970-07-16	Zur Aufnahme von mehreren verschiedenen Verschluessen geeigneter Behaelterabschluss
CH397457A (de)	1965-08-15	Verschluss an einer Flasche
DE69202065T2 (de)	1996-05-15	Stopfen zum Verschliessen von Flüssigkeitsbehältern.
EP0951428B1 (fr)	2002-06-19	Bouchon filete en plastique pour bouteilles, muni d'une bande d'inviolabilite
DE2652046A1 (de)	1977-05-26	Behaelterverschluss
DE8018442U1 (de)	1980-11-13	Flaschenverschluss
EP0243531A2 (fr)	1987-11-04	Fermeture de sécurité pour bouteilles et récipients
DE69302577T2 (de)	1996-09-12	Behälterverschluss mit Sicherheitsring
DE3514132A1 (de)	1986-10-23	Behaelterverschluss
EP0459941A1 (fr)	1991-12-04	Capuchon à vis avec bande de garantie extensible au premier dévissage
DE3426427A1 (de)	1985-07-04	Flaschenverschluss
EP0437593B1 (fr)	1994-09-21	Fermeture a vis pour recipient a col large muni d'un dispositif d'arret inviolable
DE69201582T2 (de)	1995-07-06	Schraubverschlusskappe mit Originalitätsband.
EP0662427A1 (fr)	1995-07-12	Bouchon de fermeture en matière plastique vissable à la machine
DE3025751C2 (fr)	1993-05-27
EP0387302B1 (fr)	1995-02-15	Fermeture inviolable
EP1847469A2 (fr)	2007-10-24	Fermeture de récipient doté d'un indicateur d'intégrité
DE8717026U1 (de)	1988-03-03	Verschluß für eine Flasche od. dgl.
CH687922A5 (de)	1997-03-27	Maschinell aufsetzbarer Kunststoff-Schraubverschluss.