WO1994005558A1 - Siegelkappe für einen sicherheitsverschluss - Google Patents
Siegelkappe für einen sicherheitsverschluss Download PDFInfo
- Publication number
- WO1994005558A1 WO1994005558A1 PCT/EP1993/002157 EP9302157W WO9405558A1 WO 1994005558 A1 WO1994005558 A1 WO 1994005558A1 EP 9302157 W EP9302157 W EP 9302157W WO 9405558 A1 WO9405558 A1 WO 9405558A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealing cap
- anchoring
- cover surface
- locking
- locking screw
- 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
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
- B65D55/024—Closures in which a part has to be ruptured to gain access to the contents
Definitions
- the invention relates to a sealing cap for a security lock, which has a locking screw with an upwardly open recess with at least one undercut, the sealing cap having a cover surface covering the locking screw and a cap edge overlapping the edge of the security lock.
- the known sealing caps of such safety closures consist of sheet steel. They have the shape of a flat deep-drawn bowl. The edge of the sealing cap extends over the outer edge of the security lock and is positively connected to it by means of a special tool, so that the sealing cap must be destroyed if the security lock is to be opened.
- the work involved in applying the sealing cap is relatively high, especially since a special tool is required for this. There is a risk of injury due to the sharp sheet metal edges that arise when the sealing cap is torn open. Since the sealing caps are made of sheet steel, the contents of the container can become contaminated if rust forms.
- the object of the invention is therefore to provide a sealing cap of the type mentioned, which can be applied in a simple manner and without the use of a special tool.
- sealing cap consists of plastic and at least one protruding downward from the cover surface
- the sealing cap can be easily placed on the locking screw by hand, the anchoring element engaging with the associated undercut within the recess of the locking screw. A special tool is not required for this. Since the locking connection between the sealing cap and the locking screw takes place within the recess of the locking screw and not on the outer edge of the security lock, this connection point is no longer accessible from the outside after snapping in, so that subsequent manipulation, in particular opening the lock without destroying the Sealing cap is no longer possible. This means that the requirements for a tamper-evident seal are met.
- sealing cap Since the sealing cap is made of plastic, there is no risk of rust formation and thus contamination of the container contents. When the sealing cap is torn open, there are no sharp sheet metal edges that could cause injury.
- a screw plug which has at least one circumferential groove on the inner edge of its recess
- two are articulated as an anchoring element the anchoring flaps connected to the cover surface project downward, each having on their outer edge in the circumferential groove on the inner edge of the locking screw engaging anchoring teeth, and that the two anchoring flaps are connected to one another by two articulated bracing struts which are supported on the bottom of the recess of the locking screw.
- Such a circumferential groove is usually already formed on the inner edge of the recess of the screw plugs by the production of the external thread of the screw plug, so that this groove or several grooves can be used as undercuts for anchoring the sealing cap.
- connection of the two anchoring flaps pivotally attached to the cover surface by the common expansion struts ensures that the two anchoring flaps are held in place in their anchoring position with great rigidity because the two anchoring flaps are supported diagonally against one another via the expansion struts.
- the sealing cap which in the closed state is a largely rigid component in itself, can only be released after destruction. The requirements for a tamper-evident closure are therefore met to a high degree.
- the sealing cap is put on in a simple manner by pressure or impact from above.
- the force required for this is relatively low, because a high force transmission in the manner of a toggle joint is achieved by pivoting the articulated struts.
- the sealing cap can therefore be applied with relatively little force; she
- in the closed state it is such a rigid structure that it can only be detached after it has been destroyed.
- the two expansion struts engage in the closed state with at least one locking element projecting from the cover surface.
- the spreading struts are securely held in their locking position in the closed state even when the sealing cap is deformed by external forces.
- two anchoring tongues are provided as anchoring elements which are connected to the cover surface and extend parallel to it at a distance and which are laterally rotated by the sealing cap the eyelets are insertable, and that the anchoring tongues have barbs engaging behind the eyelets at their free ends.
- the anchoring elements have at least two latching hooks projecting downward from the cover surface are that snap elastically and positively behind opposite undercuts of the locking screw.
- the sealing cap is connected to the screw plug by simply pressing it on until the locking hooks snap behind the undercuts. Since this is a form-fitting connection, loosening is only possible if the sealing cap is destroyed.
- 1 is a sealing cap for a safety closure in a section in the position before the sealing cap is applied
- FIG. 5 shows a plan view of the sealing cap according to FIG. 4, partly in section along the line V-V in FIG. 4,
- Fig. 6 in a section similar to Fig. 4 shows another embodiment of a sealing cap with screw and 7 is a top view of the sealing cap according to FIG. 6.
- the sealing cap 1 shown in FIGS. 1-3 is made in one piece from plastic and is intended for connection to a screw plug 2 of a safety closure of a liquid container, in particular a safety closure according to DIN 6643 for a steel bung container.
- the screw plug 2 has an upwardly open recess 3 with an edge 4 on which an external thread 5 is formed.
- grooves 6 are formed on the inner edge, which represent undercuts.
- the sealing cap 1 has an essentially flat cover surface 7 which covers the screw plug 2 and which merges into a cap edge 8 which overlaps the edge of the safety closure.
- two anchoring flaps 9 protrude downward at opposite points, each of which is articulated to the cover surface 7 via a thin hinge web 10.
- the two anchoring flaps 9 each have a plurality of anchor teeth 11 on their outside.
- the two anchoring flaps 9 are connected to one another by two diametrically arranged expansion struts 12.
- Each expansion strut 12 is connected in an articulated manner to the associated anchoring flap 9 via a hinge web 13.
- the two expansion struts 12 are connected to one another by a joint web 14.
- the joint formed by the joint web 14 lies at the lowest point of the expansion struts 12, ie the two Spreading struts 12 extend from the hinge webs 14 in a flat V-shaped arrangement obliquely upwards to the two anchoring flaps 10, which are pivoted inwards with respect to the vertical.
- the sealing cap 1 can be placed on the screw plug 2, as shown in Fig. 1.
- the two expansion struts 12 are supported on the bottom of the recess 3 on a sheet metal strip 2a which is usually provided there. If the sealing cap 1 is now pressed by pressure or impact from above onto the locking screw 2, the inner ends of the expansion struts 12 are pressed into the position shown in FIG. 2 up to their horizontal position. The expansion struts 12 spread the two flaps 9 apart into the vertical position shown.
- their anchor teeth 11 are pressed into the grooves 6 on the inner edge of the locking screw 2 and form a positive locking connection there.
- Each expansion strut 12 has a rib on its top
- a latching web 18 connected to the lid surface 7 forms a latching element projecting downward from the lid surface 7, which engages with the two expanding struts 12 in the closed state.
- the locking web 18 is formed at its lower end in cross-section substantially and arrow-shaped has on both sides a locking edge 19 which is engaged behind in the closed state (FIG. 2) by a locking hook 20, which is connected to the associated expansion strut 12 and is designed as an upper projection of the rib 16.
- the latching web 18 forms with its lower end a stop for the inner ends of the two expansion struts 12. This prevents the expansion struts 12 from moving further upward after their extended position has been exceeded.
- the expansion struts 12 in the closed state of the sealing cap, the expansion struts 12 remain in an essentially extended position in which the two anchoring flaps 9 are supported in a stable manner.
- the stop formed by the locking web 18 prevents the spreading struts from moving upward in the closed state.
- the latching web 18 is connected to a tear tab 21 which is delimited in the cover surface 7 by lines of weakness 22.
- the tear tab 21 can be gripped on a grip tongue 23 and pulled up.
- the expansion struts 12 are released and the sealing cap 1, which has been destroyed along the weakening lines 22, can be removed.
- a plurality of projecting cams 24 are provided which are supported on the upper edge of the locking screw 2 and which ensure that the top of the safety lock is ventilated.
- the sealing cap 1 'shown in FIGS. 4 and 5 is intended for connection with a screw plug 2, in particular a screw plug according to DIN 6643, which has two laterally open eyelets 25 in its recess 3.
- two anchoring tongues 26 are provided as anchoring elements, which are integrally connected at one end 26a to the cover surface 7 of the sealing cap 1 '.
- the anchoring tongues 26 extend on a circular arc section concentrically to the center of the sealing cap 1 'at a distance parallel to the cover surface 7. They lie on a diameter which corresponds to the distance between the two eyelets 25.
- each anchoring tongue 26 is laterally inserted into the associated eyelet 25 by a rotary movement, which is indicated by an arrow 27 in FIG. 5.
- the anchoring tongues 26 each have an inwardly directed barb 28. These barbs 28 engage behind the eyelets 25 at the end of the rotational movement and prevent the sealing cap 1 'from rotating back.
- the sealing cap can only be opened by violent destruction.
- FIGS. 6 and 7. A further modified embodiment of a sealing cap 1 "is shown in FIGS. 6 and 7.
- at least two, in the exemplary embodiment shown, four latching hooks 29 protrude downward from the cover surface 7.
- These latching hooks 29 snap elastically and positively behind opposite undercuts 25a on the edge the eyelets 25 of the locking screw 2.
- the latching hooks 29 simultaneously prevent the sealing cap 1 ′′ from rotating, so that it is not possible to disengage the latching hooks 29 from the undercuts 25a.
- the sealing cap 1 ' is centered the screw plug 2 is appropriate.
- centering projections 30 projecting downward from the cover surface 7 are provided in the form of cylindrical sections which run concentrically to the peripheral edge of the sealing cap 1 ′′ and which center the sealing cap 1 ′′ on the inner edge of the locking screw 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Outer Garments And Coats (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59305544T DE59305544D1 (de) | 1992-09-04 | 1993-08-13 | Siegelkappe für einen sicherheitsverschluss |
EP93917788A EP0620796B1 (de) | 1992-09-04 | 1993-08-13 | Siegelkappe für einen sicherheitsverschluss |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4229604.8 | 1992-09-04 | ||
DE4229604A DE4229604C2 (de) | 1992-09-04 | 1992-09-04 | Siegelkappe für einen Sicherheitsverschluß |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994005558A1 true WO1994005558A1 (de) | 1994-03-17 |
Family
ID=6467257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1993/002157 WO1994005558A1 (de) | 1992-09-04 | 1993-08-13 | Siegelkappe für einen sicherheitsverschluss |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0620796B1 (de) |
AT (1) | ATE149135T1 (de) |
DE (2) | DE4229604C2 (de) |
DK (1) | DK0620796T3 (de) |
ES (1) | ES2101336T3 (de) |
WO (1) | WO1994005558A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6116666A (en) * | 1996-10-18 | 2000-09-12 | Envopak Group Limited | Tamper-evident locking device |
RU2662211C1 (ru) * | 2017-11-01 | 2018-07-24 | Общество с ограниченной ответственностью "Новые технологии" (ООО "Новые технологии") | Укупорочное устройство |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITSV20010003A1 (it) * | 2001-01-17 | 2002-07-17 | Marco Cerracchio | Tappo ad apertura facilitata |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3315548A1 (de) * | 1983-04-29 | 1984-12-06 | Victor Paris Wassilieff | Verschluss, insbesondere kindergesicherter verschluss |
US4569464A (en) * | 1983-06-22 | 1986-02-11 | Victor Wassilieff | Sealing and distributing device for containers of fluids |
DE3637644A1 (de) * | 1986-11-05 | 1988-05-11 | Mauser Werke Gmbh | Originalverschluss |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7632609U1 (de) * | 1976-10-19 | 1977-01-27 | Bayer Ag | Siegelkappe |
DE8629561U1 (de) * | 1986-11-05 | 1986-12-18 | Mauser-Werke GmbH, 5040 Brühl | Originalverschluß |
DE8708177U1 (de) * | 1987-06-10 | 1987-08-06 | Mauser-Werke GmbH, 5040 Brühl | Originalverschluß |
-
1992
- 1992-09-04 DE DE4229604A patent/DE4229604C2/de not_active Expired - Fee Related
-
1993
- 1993-08-13 AT AT93917788T patent/ATE149135T1/de not_active IP Right Cessation
- 1993-08-13 EP EP93917788A patent/EP0620796B1/de not_active Expired - Lifetime
- 1993-08-13 DE DE59305544T patent/DE59305544D1/de not_active Expired - Fee Related
- 1993-08-13 ES ES93917788T patent/ES2101336T3/es not_active Expired - Lifetime
- 1993-08-13 DK DK93917788.7T patent/DK0620796T3/da active
- 1993-08-13 WO PCT/EP1993/002157 patent/WO1994005558A1/de active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3315548A1 (de) * | 1983-04-29 | 1984-12-06 | Victor Paris Wassilieff | Verschluss, insbesondere kindergesicherter verschluss |
US4569464A (en) * | 1983-06-22 | 1986-02-11 | Victor Wassilieff | Sealing and distributing device for containers of fluids |
DE3637644A1 (de) * | 1986-11-05 | 1988-05-11 | Mauser Werke Gmbh | Originalverschluss |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6116666A (en) * | 1996-10-18 | 2000-09-12 | Envopak Group Limited | Tamper-evident locking device |
RU2662211C1 (ru) * | 2017-11-01 | 2018-07-24 | Общество с ограниченной ответственностью "Новые технологии" (ООО "Новые технологии") | Укупорочное устройство |
Also Published As
Publication number | Publication date |
---|---|
DK0620796T3 (da) | 1997-09-01 |
DE4229604C2 (de) | 1994-08-04 |
ES2101336T3 (es) | 1997-07-01 |
EP0620796B1 (de) | 1997-02-26 |
DE59305544D1 (de) | 1997-04-03 |
DE4229604A1 (de) | 1994-03-10 |
ATE149135T1 (de) | 1997-03-15 |
EP0620796A1 (de) | 1994-10-26 |
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