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CN-115768699-B - Closure cap with wings

CN115768699BCN 115768699 BCN115768699 BCN 115768699BCN-115768699-B

Abstract

The invention relates to a closure cap (1) made of plastic, comprising wings (2), in particular wings protruding radially from a housing outer surface (10) of the cap (1), which wings are fixed to the cap (1) on diametrically opposite sides, wherein each wing transitions from a fixing region (3) close to the cap to an actuation region (4) which is further connected outwards and can be actuated manually, wherein the fixing regions (3) of the two wings (2) are arranged rotationally symmetrically with respect to the cap rotation axis (6) on both sides of a central plane (5) passing through the cap rotation axis (6).

Inventors

  • J. Walmersdorf
  • KOELSCHE VOLKER
  • L. Segrave
  • F. Romer

Assignees

  • 格奥尔格·门申有限公司和两合公司

Dates

Publication Date
20260508
Application Date
20210702
Priority Date
20200729

Claims (9)

  1. 1. Closure cap (1) made of plastic, the closure cap (1) having wings (2), the wings (2) protruding from a lateral outer surface (10) of the closure cap (1) and being fastened to the closure cap (1) on diametrically opposite sides, wherein each wing transitions from a fastening region (3) located in the vicinity of the closure cap to an actuation region (4) further adjoining the outside and intended for manual actuation, wherein the fastening regions (3) of both wings (2) are arranged rotationally symmetrically with respect to the cap rotation axis (6) on both sides of a central plane (5) passing through the cap rotation axis (6), and wherein in a view perpendicular to the cap rotation axis (6) pointing towards the lateral outer surface (10) of the closure cap, the fastening region (3) of each wing transitions from a concavely curved region (a) relatively far from the closure cap to a convexly curved region (b) relatively close to the closure cap, wherein the convexly curved region (b) is closely abutted against a convex lateral outer surface (10) of the closure cap (1) and/or transitions in a continuous fashion from the lateral outer surface (10) of the closure cap (1) to at least one of the lateral outer surfaces (10) of the closure cap (8), Characterized in that on the convex rear side of the concavely curved region (a) of the fastening region (3) there is a gap or void (13) bridged by the pillar or tongue (7) between the fastening region (3) and the lateral outer surface (10).
  2. 2. A closure according to claim 1, wherein the post or tongue (7) is formed as a hollow shape, the cavity (9) of which opens onto the rear side of the wing (2).
  3. 3. A closure according to claim 1 or 2, wherein a post or tongue (7) is confined in the fastening region (3) or extends beyond the fastening region into the actuation region (4).
  4. 4. A closure according to claim 1 or 2, wherein both actuation areas (4) lie in a central plane (5) in which the lid axis of rotation (6) lies.
  5. 5. A closure according to claim 1 or 2, wherein the actuation region (4) is arched such that a cross section transversely through the actuation region with respect to its longitudinal extension forms an arch.
  6. 6. A closure according to claim 1 or 2, wherein the actuation zone (4) is arched over its longitudinal extent.
  7. 7. A closure according to claim 1 or 2, wherein the actuation zone (4) is arranged parallel to the central plane (5) and has a lateral spacing from the central plane (5).
  8. 8. Closure according to claim 1 or 2, wherein the closure (1) is screwed to the pouring spout of a container.
  9. 9. A closure according to claim 1 or 2, wherein the closure is connected to the pouring spout of the container by a tamper evident seal (11).

Description

Closure cap with wings Technical Field The invention relates to a closure cap made of plastic, having wings which protrude radially from the lateral outer surface of the cap in particular and are fastened to the cap on diametrically opposite sides, wherein each wing transitions from a fastening region located near the cap to an actuation region which further adjoins the outside and is used for manual actuation. Background WO 2007/002292 discloses a screw-on closure cap on which, as a gripping surface, two wings project radially outwards on diametrically opposite sides of the cap. In the case of hard threads or in the case of jamming, or in order to break the tamper evident seal, it is often necessary to manually apply a large rotational force to the closure cap, so that bending or breaking of the gripping surface may occur. Disclosure of Invention It is an object of the present invention to improve a closure of the type described in the introduction in such a way that it has high strength and rigidity, while being structurally simple. Here, the closure should provide a good and comfortable grip. According to the invention, the object is achieved in that the fastening areas of the two wings are arranged rotationally symmetrically with respect to the cover rotation axis on both sides of a central plane passing through the cover rotation axis. By this transverse arrangement of the fastening region with respect to the central plane, a high strength of the wing on the closure is achieved, so that high rotational forces can be applied manually to the closure by the wing without the wing being significantly deformed or broken. Comfortable operation is also achieved. These advantages are further improved if the fastening region of each wing transitions from a concavely curved region relatively far from the cover to a convexly curved region relatively close to the cover in a view directed perpendicular to the cover rotation axis towards the lateral outer surface of the cover, wherein the convexly curved region transitions closely against and/or in a continuous manner to the convexly lateral outer surface of the cover. The strength of the wing on the closure cap is further increased if at least one strut or tongue protrudes from the lateral outer surface of the cap, the outer end of which strut or tongue is integrally formed on the outer surface of the wing. It is proposed here that the struts or tongues are formed in a hollow shape, the cavities of which open into the rear side of the wing. This hollow shape reduces weight and cost of the closure material and provides a comfortable grip as a finger groove. Furthermore, it is suggested that the ribs, struts or tongues in embodiments thereof are limited to the female wing fastening region or extend beyond this region into the vertical actuation region. With respect to the two actuation areas of the wing, as a possible embodiment, Both actuation areas lie in a central plane in which the axis of rotation of the cover lies, Said actuation area being arched such that a cross-section transversely through the actuation area with respect to its longitudinal extent forms an arch, Said actuation zone is arched over its longitudinal extent, The actuation area is arranged parallel to the central plane and has a lateral spacing from the central plane. Furthermore, the present invention proposes that the closure cap be screwed onto the pouring spout of the container and that the closure cap be connected to the pouring spout of the container by means of a tamper-evident seal. Drawings Exemplary embodiments of the present invention are illustrated in the accompanying drawings and will be described in more detail below. In the drawings: figure 1 shows a side view of a first exemplary embodiment of a closure, Figure 2 shows a top view of the first exemplary embodiment, Fig. 3 shows a perspective view of a second exemplary embodiment, with a straight section through the wing in the actuation area, Figure 4 shows a side view of an actuation area with a fan-shaped cross section, Figure 5 shows a side view of an actuation area with a twisted cross-section, Fig. 6 shows a perspective view of a third embodiment. Detailed Description The closure 1 according to the invention is made of plastic by injection moulding and has a cylindrical housing surrounding an interior space which is closed off at its top side such that the closure can be screwed onto the external thread of the pouring spout of the container by its internal thread. Here, between the lower end of the closure 1 and the closure seat of the pouring spout, there is a tamper evident seal 11, which tamper evident seal 11 breaks when the closure 1 is unscrewed for the first time, thus indicating whether the closure has been opened. In the embodiment according to fig. 3, a boat-shaped welding portion 12 is integrally formed at the lower end of the pouring spout, which welding portion is welded between the two side walls of the bag-shap