WO2009115443A3 - Screw cap - Google Patents
Screw cap Download PDFInfo
- Publication number
- WO2009115443A3 WO2009115443A3 PCT/EP2009/052901 EP2009052901W WO2009115443A3 WO 2009115443 A3 WO2009115443 A3 WO 2009115443A3 EP 2009052901 W EP2009052901 W EP 2009052901W WO 2009115443 A3 WO2009115443 A3 WO 2009115443A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cap
- sectional area
- cross sectional
- beginning
- thread turn
- Prior art date
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a screw cap (1) produced in the plastic injection-molding process, comprising a cap base (2), a cap wall (3) and a cap opening (4, 4'), wherein an inner threading (5) is provided at the cap wall (3), said threading having one thread turn in any case, wherein the thread turn is further provided with a varying cross sectional area (Q1, Q2, Q3) along its length and extends over 360° or more beginning at the cap opening. In order to provide a screw cap manufactured in the plastic injection-molding process, said cap meeting the complex requirements place on such screw caps in automatic applications and in consumer applications as much as possible, it is proposed that the thread turn comprise a second cross sectional area (Q2) extending along a length corresponding to 120° or more as seen beginning from the cap opening (4, 4'), said second cross sectional area being larger in size than the first cross sectional area (Q1), said first cross sectional area (Q1) being configured in a length corresponding to 0° to 100 ° or more beginning at the cap opening (4, 4').
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09722270.7A EP2276675B1 (en) | 2008-03-19 | 2009-03-12 | Screw cap |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008014952.7 | 2008-03-19 | ||
DE200810014952 DE102008014952A1 (en) | 2008-03-19 | 2008-03-19 | screw cap |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009115443A2 WO2009115443A2 (en) | 2009-09-24 |
WO2009115443A3 true WO2009115443A3 (en) | 2009-12-10 |
Family
ID=40801851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/052901 WO2009115443A2 (en) | 2008-03-19 | 2009-03-12 | Screw cap |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2276675B1 (en) |
DE (1) | DE102008014952A1 (en) |
WO (1) | WO2009115443A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009044896B3 (en) * | 2009-12-15 | 2011-05-26 | Kunststofftechnik Waidhofen An Der Thaya Gmbh | Cap for closing a container |
DE102010038854A1 (en) * | 2010-08-03 | 2012-02-09 | Bericap Holding Gmbh | Screw cap for bottles, is made of plastic, and comprises head plate and cylindrical cap mantle with internal thread, where internal thread comprises asymmetric thread profile with two flanks |
US9254941B2 (en) * | 2014-03-25 | 2016-02-09 | Basf Corporation | Resealable container and closure package |
DE102015111245A1 (en) * | 2015-07-10 | 2017-01-12 | Bericap Holding Gmbh | Cap with optimized internal thread |
CH716855A2 (en) | 2019-11-20 | 2021-05-31 | Alpla Werke Alwin Lehner Gmbh & Co Kg | Container closure. |
JP2021155107A (en) * | 2020-03-30 | 2021-10-07 | 日本山村硝子株式会社 | Resin cap |
DE102022112981A1 (en) | 2022-05-23 | 2023-11-23 | Bericap Holding Gmbh | Closure element to reduce and retain liquid residue |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH226897A (en) * | 1942-08-01 | 1943-05-15 | Wagner Guenter | Bottle cap. |
DE8408411U1 (en) * | 1984-03-20 | 1984-04-26 | Schmalbach-Lubeca AG, 3300 Braunschweig | Plastic screw cap as an injection molded part |
DE4126418A1 (en) * | 1991-08-09 | 1993-02-11 | Hertrampf Michael | SCREW CAP FOR CLOSING A BOTTLE OR THE LIKE |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4147268A (en) | 1976-09-24 | 1979-04-03 | Patel Chandrakant S | Pilfer-proof closure for containers |
US6123212A (en) | 1999-08-27 | 2000-09-26 | Alcoa Closure Systems International | Plastic closure with rotation-inhibiting projections |
DE20120965U1 (en) | 2001-12-27 | 2002-03-21 | Georg Menshen GmbH & Co. KG, 57413 Finnentrop | tamper-evident closure |
-
2008
- 2008-03-19 DE DE200810014952 patent/DE102008014952A1/en not_active Ceased
-
2009
- 2009-03-12 EP EP09722270.7A patent/EP2276675B1/en not_active Not-in-force
- 2009-03-12 WO PCT/EP2009/052901 patent/WO2009115443A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH226897A (en) * | 1942-08-01 | 1943-05-15 | Wagner Guenter | Bottle cap. |
DE8408411U1 (en) * | 1984-03-20 | 1984-04-26 | Schmalbach-Lubeca AG, 3300 Braunschweig | Plastic screw cap as an injection molded part |
DE4126418A1 (en) * | 1991-08-09 | 1993-02-11 | Hertrampf Michael | SCREW CAP FOR CLOSING A BOTTLE OR THE LIKE |
Also Published As
Publication number | Publication date |
---|---|
EP2276675A2 (en) | 2011-01-26 |
EP2276675B1 (en) | 2015-02-25 |
DE102008014952A1 (en) | 2009-09-24 |
WO2009115443A2 (en) | 2009-09-24 |
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