Double acting child-resistant packaging and be used for the child safety capping of this packing
Technical field
The present invention relates to child safety (child-resistant) packing, and relate more specifically to a kind of being suitable for any one packing of opening in (at least) two kinds of child-resistant.
Background of invention and general introduction
Overall purpose of the present invention is to provide a kind of child-resistant packaging, and a kind of capping and container that is used for this packing is provided, and wherein this packing any one in can (at least) two kinds of child-resistant opened with dispensing product.
The present invention has embodied can many aspects separated from one another or that implement with being bonded to each other.
According to an aspect of the present invention, double acting (dual-action) child-resistant packaging comprises the container with neck finish, neck finish has unlimited opening, at least one external thread section and at least one outer lug, and this outer lug and thread segment are spaced apart and have axially towards the bevelled camming surface that opens wide opening.Capping has peripheral skirt, be used at least one internal thread segment of engaging with at least one external thread section on the container neck finish, bevelled convex wheel face on the skirt section, be positioned at and be used at least one internal projection of engaging with at least one outer lug on the neck finish on the skirt section, and be used for engage neck bottleneck and bias capping flexible resilient spring away from neck finish.Closure threads is connected on the neck finish, and the outer lug that moves past on the neck finish up to the internal projection on the skirt section gets loose from neck finish to stop capping.Capping can remove from neck finish in the following manner: (1) extruding skirt section is so that the skirt section ovalisation, make at least one internal projection on the skirt section move apart at least one outer lug on the neck finish radially outwardly, so capping can get loose from neck finish, and (2) promote capping against spring on neck finish, bevelled convex wheel face on the joint of the camming surface at least one outer lug skirt section is so that the skirt section ovalisation, capping moves apart at least one outer lug on the neck finish radially outwardly up at least one internal projection on the skirt section, so can get loose from neck finish.The peripheral skirt of capping preferably includes at least one internal thread segment setting first thereon, and from the extended second portion of first, convex wheel face and at least one internal projection are arranged on this second portion.
According to another aspect of this paper, the double acting child-resistant packaging comprises container, and it has opening, at least one external thread section, and is positioned at a pair of along the relative outer lug of diameter away from the side of the thread segment of opening.Plastic closure comprises the base portion with dispense port, be used at least one internal thread segment of engaging with external thread section on the neck finish, and have to be used for engaging and prevent that capping is from a pair of flexible resilient skirt section along the relative internal projection of diameter that neck finish gets loose with outer lug.The skirt section is squeezable, so that this skirt section ovalisation and internal projection is moved apart and the engaging of outer lug, and therefore allow that capping gets loose from neck finish.Cover cap by hinge-coupled to base portion in case in the make position that covers dispense port with mobile between the isolated open position with dispense port.Child safety is latched between cover cap and the base portion and extends, and opens cover cap to allow with respect to base portion.Therefore, this packing can first child-resistant, and by the extruding skirt section and screw out whole capping from container neck finish and open, and with second child-resistant, green phase is opened cover cap for base portion and opened to expose dispense port.
Description of drawings
The present invention and additional purpose, feature, advantage and aspect thereof will be understood better according to following description, claims and accompanying drawing, in the accompanying drawings:
Fig. 1 is according to the capping of exemplary embodiment of the present invention and the transparent view of container package;
Fig. 2 is the partial section of a part of packing shown in Fig. 1;
The section drawing of Fig. 3 for roughly being intercepted along the line 3-3 among Fig. 2;
Fig. 4 is the partial section of the magnification ratio of the part in the zone 4 in Fig. 2;
Fig. 5 is the partial section that is similar to first child-resistant that packing is shown of Fig. 4;
Fig. 6 is the partial section that is similar to the second child safety pattern that illustrating of Fig. 2 unpack;
Fig. 7 is the partial section of the amplification ratio row of the part in the zone 7 in Fig. 6;
Fig. 8 is the partial view that is in the packing among Fig. 1 of non-child-resistant;
Fig. 9 is the partial view that the neck finish of the container in the packing of Fig. 1 to Fig. 8 is shown;
Figure 10 is the fragmentary, perspective view of the container neck finish among Fig. 9;
Figure 11 is the section drawing of the capping in the packing of Fig. 2 to Fig. 7;
Figure 12 is the fragmentary, perspective view according to the child-resistant packaging of second exemplary embodiment of this paper;
The section drawing of Figure 13 for roughly being intercepted along the line 13-13 among Figure 12; And
Figure 14 is for roughly along partial section that the line 14-14 among Figure 13 is intercepted.
The specific embodiment
Fig. 1 to Figure 11 shows the double acting child-resistant packaging 20 according to first exemplary embodiment of the present invention.Packing 20 comprises the child safety capping 22 on the neck finish 24 that is threaded onto container 26.Container neck finish 24 comprises at least one external thread section 28 that is used for the fastening capping 22 of child-resistant.(term " thread segment " is used to comprise single screw thread and many screw threads with its common broad sense, and intermittent screw thread and continuous thread.) neck finish 24 also comprises at least one outer lug 30, be preferably as can observed best outer lug relative on diameter 30 among Fig. 3 and Fig. 9.Each outer lug 30 all has bevelled camming surface 32, its axially towards or towards the open end or the opening of neck finish 24.Camming surface 32 is preferably the plane, but also can use taper shape, convex or concave cam face.Capping 22 comprises basal wall 34, and it has peripheral flexible resilient ring-shaped skirt 36.Skirt section 36 comprises at least one internal thread segment 38, is used for engaging under the double acting child-resistant capping 22 is fastened to neck finish 24 with external thread section 28 on the neck finish 24.Internal thread segment 38 is arranged in the first of skirt section 36 contiguous basal walls 34.Skirt section 36 comprises bevelled convex wheel face 40 away from the second portion that basal wall 34 extends.Camming surface 40 is preferably cylindrical-conical, and most preferably is around whole skirt section 36 extensions (except the position of being interrupted by the internal projection that will describe).Inside face 40 is preferably on the part 42 that is formed on skirt section 36, and part 42 is launched radially outwardly at the edge of opening in skirt section, and ends at into the part 44 of cylindrical extension.
At least one first internal projection is arranged on the bottom in skirt section 36, be preferably as optimal viewing among Fig. 3 arrive a pair of along the first relative internal projection 46 of diameter.Each first internal projection 46 is preferably all has bevelled camming surface 48, and by means of camming surface 48, projection 46 moves past projection 30, makes flexible resilient skirt section 36 ovalisation, fastens outer lug 30 in the back up to first internal projection 46.Each first internal projection 46 is preferably second internal projection 50 that all has with the projection 46 isolated vicinities that are associated, so that outer lug 30 can be housed between the projection 46,50.Projection 50 prevents that capping additionally or exceedingly is screwed on the neck finish.Flexible resilient spring 52 is used for engage neck bottleneck 24 and bias capping 22 away from neck finish by capping 22 carryings.In Fig. 2 and embodiment shown in Figure 11, spring 52 comprises sectional type ring-type cone-shaped spring, and it has isolated angledly section 54.Liner 56 (Fig. 2) is preferably fixing between spring 52 and neck finish 24 open ends.After packing 20 has been filled product and has been applied to capping 22 on the neck finish, but liner 56 induction sealings or conduction are sealed on the neck finish 24.As alternative, spring 52 can be continuous annual spring, its engage neck bottleneck with sealed package and bias capping 22 away from neck finish 24.As optimal viewing arrives among Figure 11, spring section 54 is preferably from capping basal wall 34 downwards and extend internally.As alternative, spring section 54 (or continuous annual spring) can be extended from skirt section 36 inside faces that are adjacent to basal wall 34.Skirt section 36 preferably include with 90 ° with internal projection 46 isolated a pair of outside thumb pads 58 relative on diameter (Fig. 1 and Fig. 3).
As shown in Fig. 1 to Fig. 3, for the capping on being threaded onto container 26 22, capping 22 can two kinds of child-resistant remove.In first child safety as shown in Fig. 4 to Fig. 5 extruding and rotary manipulation pattern, flexible resilient skirt section 36 is squeezed in thumb pad 58 places so that the skirt section ovalisation, thereby and makes internal projection 46 mobile radially outwardly with respect to outer lug 30.As shown in Figure 5, when the skirt section be subjected to abundant extruding and make the projection 46 cross the projection 30, capping just can get loose from container neck finish.Second child safety has been shown among Fig. 6 to Fig. 7 to be promoted and the rotary manipulation pattern.Capping 22 overcomes the power of spring 52 and is subjected to downward promotion.During this of capping moved downward, the evagination wheel face 32 that the convex wheel face 40 on the closure skirt 36 engages on the outer lug 30 was so that closure skirt is launched and ovalisation.When closure skirt was enough oval, capping just can get loose from container neck finish.
Fig. 8 shows the packing 20 that is under the non-child-resistant, and wherein, capping 22 is inverted, and is housed in by force fit, snap fit or screw thread fit on the open end of neck finish 24.The example of this inverted non-child-resistant operation has been shown in american documentation literature 2004/0173561 and 2004/0178165.
Figure 12 to Figure 14 shows the double acting child-resistant packaging 60 of another exemplary embodiment according to the present invention.Packing 60 comprises the capping 62 on the neck finish 64 that is fastened to container 66.Neck finish 64 has one or more external thread sections 28, and it is engaged by the internal thread segment on the flexible resilient circumferential annular skirt section 68 of capping 62 38.Capping 62 comprises base portion 70, and skirt section 68 is the part of base portion 70.Base portion 70 also comprises the basal wall 72 that covers neck finish 64 openings, and the dispense port 74 that is arranged in basal wall 72.Cover cap 76 is connected on the base portion 70 by hinge 79 (Figure 14), makes cover cap 76 to pivot between the isolated open position in the make position of the covering dispense port 74 shown in Figure 14 and with dispense port.Hinge 79 can be the type that is fit to arbitrarily.At least one internal projection 78 (Figure 13) is by skirt section 68 carryings.As shown in Figure 13, skirt section 68 preferably has a pair of internal projection relative on diameter 78.Skirt section 68 also preferably have with 90 ° 78 isolated with internal projection, on diameter relative outside thumb pad 58.Internal projection 78 engages a pair of along the relative outer lug 80 of diameter on the container neck finish 64.The capping cover cap 76 that is in the close position is preferably by child safety bolt lock mechanism 82 and is connected on the capping base portion 70.Bolt lock mechanism 82 can be the type that is fit to arbitrarily, is preferably the type shown in the american documentation literature 2005/0023285.
When capping 62 was threaded onto on the container neck finish 64, the internal projection 78 on the closure skirt 68 engaged and moves past the outer lug 80 on the neck finish 64, fastens the child safety position that projection 80 is in Figure 13 in the back up to projection 78.Whole capping 62 can be pushed and rotate first child-resistant and be removed from container neck finish 64, wherein, thumb pad 58 is squeezed so that skirt section 68 ovalisation are crossed projection 80 up to projection 78, at the moment, capping 62 just can get loose from container neck finish.As alternative, packing can second child-resistant, opens by latch 82 and away from base portion 70 pivot cover caps 76, to allow coming dispensing product via opening 74.
Therefore, the capping and the container that disclose the double acting child-resistant packaging and be used for this packing, it satisfies all aforementioned purpose and targets fully.Set forth the present invention, and described modification and modification in conjunction with a plurality of exemplary embodiments.In view of the above description, those of ordinary skill in the art will visualize other modification and modification.For example, combined so-called single wall capping and set forth the present invention, wherein, internal thread segment and child safety projection are arranged on the inboard in single wall or skirt section.Yet, can easily implement the present invention in conjunction with double-walled or the capping of many walls, wherein, thread segment is arranged on the inwall, being used for that capping is fastened to container neck finish, and child safety mechanisms be arranged on isolated mesospore of inwall and/or outer wall on.Exemplary capping is made of the integral type plastic housing.Yet, also can comprise additional member, as seal liner or seal strip.The present invention is intended to contain all other modification and modification that fall in claims spirit and the broad range.