Improvements in and relating to closures

Abstract

There is disclosed a closure device (5; 905) and a container (10; 910), e.g. for a packaged product or Fast-Moving Consumer Good. The closure device (905) comprises a (snap-on) fixing arrangement (915

Description

FIELD OF INVENTION The present invention relates to a closure device (cap), to a container (bottle), a combination of a closure device and a container (pack / packaging), and / or to a Fast-Moving Consumer Good (FMCG) packaged or contained in a combination of a closure device and a container. BACKGROUND TO INVENTION The present invention pertains to an innovative closure, particularly, though not exclusively, for Fast-Moving Consumer Goods (FMCG) containers / bottles. Functions of such a closure are to contain and protect a product securely and to enable adequate dosing of the product during use. In the FMCG sector - particularly in Personal Care, Cosmetics and Home Care industries - bottle closures are designed to complement the bottle's shape, reflecting and reinforcing a brand's identity and values. Typically, closures are designed for uncomplicated application to the bottle, commonly as a snap-on, screw-on, or bayonet-type construction. The closure and the container / bottle are each designed to enable the closure to be applied to the container / bottle in a simple manner. In each of these cases, the closure is expected to remain on the bottle during normal use. The combination of the bottle and closure may also be designed to be removed to facilitate recycling or refilling. For industry sectors that demand a high aesthetic factor in packaging design and seamless connection between closure and bottle (for instance Beauty &Wellness products), a “snap-on” construction is the closure type of choice. In the Personal Care and Home Care industry sectors, closures are often designed to complement the bottle shape in order to cue specific Brand values, such as softness, moisturisation, care etc. Where the closure and container / bottle complement each other in form, the type of mechanism used to apply the cap is often referred to as “snap-on”. This is where the cap is directly pushed onto the top of the container / bottle and a set of lugs or tangs engage with a ring type formation of the container / bottle. In this type of design, a force required to apply the closure needs to be withstood by the container / bottle structure, which forms a design constraint for the container / bottle. The “capping force” is typically handled by designing the container / bottle with sufficient geometrical structure and wall thickness. The wall thickness of a container / bottle contributes to the major component of polymer used in the pack / packaging. Therefore, if the capping force can be reduced then less polymer can be used in the container / bottle wall, thus saving polymer use at source and reducing the costs of the packaging. Use of less polymer also has environmental benefits. The industry standard “snap-on” closure comprises on the neck portion of the container a set of bump-on lugs which elastically deform whilst passing over a ring feature on the closure. Due to the simplicity of this approach, the capping force is similar to the removal force and is, therefore, high. To expand upon the above, the “snap-on” closure is designed with an integral set of lugs or bumps. When the closure is directly pressed onto the top of the bottle, these lugs / bumps engage a ring type formation of the bottle, locking the two components together. This closure mechanism requires equally significant force to apply the closure / cap to the container / bottle and to remove the closure / cap from the container / bottle. The current industry standard for “snap-on” closures involves a high capping force, which necessitates a robust bottle geometry and wall thickness. This requires a high polymer usage, with resultant material costs and environmental impact. Manufacture can comprise a combination of a number of factors, such as: polymer injection moulding, bottle blow moulding, design of packaging, testing of packaging, the filling line capping machinery / process and the overall process of how bottles are introduced into transport media such as cases. The assembly of the closure and container / bottle is by a mechanical device called a “capper” which simply applies sufficient force to apply the closure to the bottle. It is the design of the closure and container / bottle interface that dictates the “capping force” required and not the capping machine per se. With this understanding, the focus on reducing capping force primarily sits with the closure and bottle neck design. Traditionally, closures and containers / bottles are provided / supplied by different companies with their own associated design and manufacturing processes. Therefore, a holistic design of closure and container / bottle is seldom seen in the industry apart from the overall aesthetics where the Brand Owner often takes this responsibility. With an understanding of the requirements of the cap and container / bottle design and manufacture, combined with an understanding of how these components are assembled on a production line, and also the journey of the bottle from filling line to retailer, a new (holistic) approach has been adopted by the present Inventors. Therefore, when a holistic or “total systems” approach has been used to address the problem of high polymer usage in containers / bottles a different outcome than the traditional method of looking at closures and containers / bottles in isolation has resulted. US Patent No. 3,223,278 (ALLEN) discloses a snap ring closure seal for plastic containers. Therein, there is disclosed a closure 32 having a skirt 39 having a radially inwardly directed semi-circular peripheral locking lug 43. GB Patent No. 725,882 (JAERNAKER) discloses improvements in or relating to closures for containers made of plastic. Therein, there is disclosed a food container consisting of a cover 1 having a flange provided with an inwardly projecting bead 7. There is also disclosed a container 2 having an exteriorly projecting sealing ridge 3. In use, the bead 7 engages beneath the sealing ridge 3 serving as a locking member for the cover 1. Other prior art closures are known, e.g., from Tricorbraun. The invention of the present disclosure proposes a novel closure (for a container) and a novel container, e.g., FMCG liquid bottles, that can deliver significant financial and sustainability benefits by reducing the capping force required, thus lowering polymer usage and offering greater design flexibility. This innovative approach aligns with industry desires toward cost efficiency and environmental responsibility, providing a technical advantage and / or competitive edge in the market. It is an object of at least one embodiment of at least one aspect of the present invention to obviate or at least mitigate one or more problems in the prior art. It is an object of at least one embodiment of at least one aspect of the present invention to seek provide an improved closure / cap which may be applied to (a mouth or neck portion of) a container / bottle with a force significantly less than that required by prior art closures and which may be removed from the container / bottle with a force greater than the application force, e.g., a removal force similar to that required by prior art closures. It is an object of at least one embodiment of at least one aspect of the present invention to seek to improve and / or enhance the sustainability of FMCG packaging, e.g., by seeking to reduce an amount of polymeric material required for a container / bottle. SUMMARY OF INVENTION The present invention relates to a closure / cap, a container / bottle, a combination of a closure / cap and a container / bottle, and / or a packaged product or Fast-Moving Consumer Good (FMCG) according to the appended claims. Closure According to a first aspect of the present invention there is provided a closure or closure device. The closure / closure device may comprise a (snap-on) fixing arrangement for attaching the closure / closure device to (a mouth or neck portion of) a container. The closure / closure device (snap-on) fixing arrangement may have an attachment force which may be less than a removal force. In other words, the force required to attach the closure / closure device to the container may be less than the force required to remove the closure / closure device from the container. (Such may be the case at least when the container and closure / closure device are in a same (rotational) disposition as when attached). The closure / closure device fixing arrangement may comprise one or more tangs, teeth, tongues or lock members. The / each tang, tooth, tongue or lock member may be resiliently deformable and / or elastically or sprung-biased. According to a second aspect of the present invention there is provided a closure or closure device. The closure / closure device may comprise a (snap-on) fixing arrangement for attaching the closure / closure device to (a mouth or neck portion of) a container. The (snap-on) fixing arrangement may comprise one or more resiliently deformable and / or elastically or sprung-biassed tangs, teeth, tongues or lock member(s). By this arrangement, the / each tang, tooth, tongue and / or lock member(s) may (flexibly) wipe against a neck portion of a container and / or a (snap-on) fixing arrangement of a / the container when the closure / closure device is being applied thereto. By this arrangement, the / each tang, tooth, tongue and / or lock member may (act to) (fluidly) seal against a neck portion of a / the container when the closure / closure device is applied thereto. The closure / closure device fixing arrangement may have an attachment force which is less than a removal force. In other words, the force required to attach the closure / closure device to the container may be less than the force required to remove the closure / closure device from the container. The (features of the) first and second aspects of the present invention may be combined. The following features may find utility in the first or second aspects of the present invention, and may be combined with either or both of the first and / or second aspects of the present invention. The closure / closure device may comprise a (main) body. The closure device / body may comprise a side wall. The tangs, teeth, tongues and / or lock member(s) may be provided on the side wall. Beneficially, a force required to resiliently deform the fixing arrangement, or tangs, teeth, tongues and / or lock member(s), may be less than a force required to deform the side wall of the body or closure / closure device. The fixing arrangement, tangs, teeth, tongues and / or lock member(s) may be resiliently deformable and / or elastically or sprung-biased while the body / side wall may not be (as) resiliently deformable and / or elastically or sprung-biased or may be (comparatively) substantially rigid. The body / side wall may be constructed to be substantially rigid (at least compared to (a rigidly of) (at least a portion of) the tangs, teeth, tongues and / or lock member(s)). The body / side wall may have a higher rigidly than (at least a portion of) the fixing arrangement, or tangs, teeth, tongues or lock member(s). The closure / closure device may be applied / connected to the container with resilient deformation of the fixing arrangement, or tangs, teeth, tongues and / or lock member(s). The closure / closure device may be applied / connected to the container without deformation of the closure / closure device and / or the side wall. The closure device may comprise a polymeric material. For example, the closure device may substantially comprise polyethylene (PE), polypropylene (PP), or high-density polyethylene (HDPE). The fixing arrangement, or tang(s), tooth / teeth, tongues and / or lock member(s), may be biased to a first disposition. The fixing arrangement, or tang(s), tooth / teeth, tongues and / or lock member(s), may be movable from the first disposition, e.g., to a second disposition, upon / during application of the closure / closure device to a / the container. The fixing arrangement, ortang(s), tooth / teeth, and / or lock member(s), may move / return, e.g., relax or spring, back to the first disposition upon securing the closure device to a / the container. Advantageously the attachment force may be at least half, a fifth, or a tenth of the removal force. The attachment force may be less than 20, 10, 5 or 0.5 Newtons. The removal force may be greater than 40 or 50 Newtons, e.g., at least 60 Newtons. The closure / closure device may be adapted to facilitate relative ease of application of the closure / closure device to the container. The closure / closure device may (also) be adapted to facilitate relative difficulty in removal of the closure / closure device from the container (at least in a first disposition of the closure device). A geometry of the fixing arrangement, or tang(s), tooth / teeth, tongue(s) and / or lock member(s), may allow the fixing arrangement, or tang(s), tooth / teeth, tongue(s) and / or lock member(s), to act as a lock arrangement or ratchet (type) mechanism. The / each fixing arrangement, or tang, tooth, tongue or lock member, may be radially internally facing relative to the closure device. Alternatively, the / each fixing arrangement, or tang, tooth, tongue or lock member, may be radially externally facing relative to the closure device. In one embodiment of the present invention, the / each fixing arrangement, or tang, tooth, tongue or lock member, may be provided on an internal surface of a / the side wall of the closure device. In another embodiment of the present invention, the / each fixing arrangement, or tang, tooth, tongue or lock member, may be provided on an external surface of a side wall of the closure device. In yet another embodiment of the present invention, the / each fixing arrangement, or tang, tooth, tongue and / or lock member, may comprise a tongue which may depend (e.g., longitudinally) from a side wall of the closure / closure device. The / each tongue may have a closure wedge or tooth or V-shaped tooth provided at a distal end thereof. The / each fixing arrangement, or tang, tooth, tongue or lock member, may be integrally connected with or to a / the side wall of the closure / closure device. The / each fixing arrangement, or tang, tooth, tongue or lock member, may be integrally formed with the side wall of the closure / closure device. For example, the closure / closure device and fixing arrangement, or tang(s), teeth, tongues or lock members, may be moulded together in one piece. There may be provided a plurality of tangs, teeth, tongues or lock members. The plurality of tangs, teeth, tongues or lock members may be circumferentially disposed, e.g., in (substantially equally) spaced relation, around or relative to the side wall. Advantageously there may be provided a plurality of symmetrically (e.g., diametrically) opposing (pairs of) tangs, teeth, tongues or lock members. In one embodiment there may be provided a plurality of tangs, e.g., at least two, three or four tangs, wherein each tang may be (uniformly) circumferentially spaced from an adjacent tang. For example, there may be provided at least four tangs, wherein each tang may be circumferentially spaced from an adjacent tang by 90°. Each tang, tooth, tongue or lock member may have a first end connected to the side wall of the closure and a second (free) end. The second end of the / each tang, tooth, tongue or lock member may be disposed distal (e.g., radially distal) from an inner or outer side of the side wall of the closure. In said one embodiment and other embodiments, the second end of the / each tang, tooth, tongue or lock member may be disposed longitudinally closer to the second end of the closure device than the first end of the / each tang, tooth, tongue or lock member. The first end of the / each tang, tooth, tongue or lock member may be disposed longitudinally closer to the first end of the closure device than the second end of the / each tang, tooth, tongue or lock member. In said one embodiment, such may be the case both before and after the closure device is applied to a container. In another embodiment, such may be the case after the closure device is applied to a container. In said another embodiment, (prior to application to a container) the / each tang, tooth, tongue or lock member may extend substantially perpendicularly from a side wall of the closure. The closure device may comprise a cap. The closure device may comprise a first (container proximal) end. The closure device may comprise a second (container distal) end. The first end may comprise an open end. The second end may comprise an openably closable arrangement. The openably closable arrangement may comprise a container access arrangement. The openably closable arrangement may comprise an aperture, orifice or pouring lip (e.g., provided at or adjacent the second end) which may be openably closable by a (removably replaceable) lid, top, stopper or the like. The lid, top or stopper may comprise a (friction fit) lid, top or stopper. The lid, top or stopper may be attached to the closure device, e.g., via a living or integral hinge. The closure device may comprise an end wall or top. The aperture may be provided on the end wall / top. The closure device, e.g., the end wall / top, may have a seal provided on an inner side thereof. In use, the seal may seal between the closure device and the neck portion of the container. The closure device / body may comprise a skirt, such as an annular / cylindrical skirt. The side wall may be provided on the skirt, e.g. on an inner or outer side thereof. The closure device, e.g., skirt, may comprise a substantially or part cylindrical shape. An / the inner wall of the closure device may comprise a substantially cylindrical shape. In an embodiment of the present invention the / each tang, tooth, tongue or lock member may comprise a tongue. The tongue may depend (e.g., longitudinally) from a side wall of the closure device. The / each tongue may have a closure wedge / tooth or V-shaped tooth provided at a distal end thereof. This embodiment may provide a flexible and / or slender design compared to known closures, and may feature a secondary closure function. In this embodiment, when the closure is engaged onto the container, the tongue(s) may deform as the closure is applied to the container whilst passing over a mouth or neck portion of the container. Once the tongue(s) has / have progressed sufficiently, the tongue(s) may relax back to a normal / original disposition. In this embodiment, in use, a lock portion of the closure may be pushed (down) into a locked position, which may act to prevent the tongue(s) from moving longitudinally / axially. Thus, the closure may be effectively locked in position. The lock portion of the closure may comprise a locking ring which may be deform during (downward) application of the closure to the container. The lock ring may lock into a recess in a side wall of a body portion of the closure. In another (preferred) embodiment the fixing arrangement or lock member(s) comprise(s) / each comprise at least one resiliently deformable member. Preferably there are provided at least one pair of diametrically opposing resiliently deformable members. The / each resiliently deformable member may comprise first and second ends. Advantageously at least one, and preferably both, of the first and second ends is / are attached to an inner wall of the closure / closure device, e.g., to an inner wall of the (annular / cylindrical) skirt. Preferably the first and second ends of the / each / each pair of resiliently deformable member(s) is provided at a same longitudinal level / position on the closure / closure device. In said another embodiment, in one implementation, in a relaxed disposition the / each resiliently deformable member may be substantially straight. In such implementation the / each resiliently deformable member may comprise / form a chord to the (cylindrical) skirt. Alternatively, in a second implantation, in a relaxed disposition the / each resiliently deformable member may be arcuate, and may be convex relative to an / the inner wall of the skirt. In either implementation, and in other implementations, during application of the closure / closure device to a / the container, the / each resiliently deformable member may be caused to bend or further bend so as to become convex / more convex relative to an / the inner wall of the skirt. Upon locking of the closure / closure device to / on the container, the / each at least one resiliently deformable member may return to a / the relaxed disposition. It will be appreciated that a closure device according to the present invention may be beneficially adapted to require a reduced force to apply the closure device to (a mouth or neck portion) of a container / bottle as compared to the prior art. This may consequentially decrease the required strength of the container / bottle and the amount of polymeric material used in a wall of the container / bottle. Such reduction in polymeric material may lead to financial savings and / or sustainability benefits. These may be achieved without compromising the integrity and removal force of the closure device, seeking to ensure secure and user-friendly packaging. It will be appreciated that a number of embodiments of the present invention (e.g., the preferred embodiment)may provide advantage in that the closure member may be capable of formation in or as a one-piece mould(ing) or collapsible mould. It will be appreciated that a number of embodiments of the present invention (e.g., the preferred embodiment) may provide advantage in that the closure member and container may be capable of being released or removed from one another. Such may allow for refilling of the container. In one or more embodiments of the present invention, during application of the closure member to the container, at least part of the fixing arrangement, or tangs, teeth, tongues or lock member(s), may be (put / placed) under compression. In other words, the fixing arrangement, or tangs, teeth, tongues or lock member(s), may be (elastically / resiliently) compressed during application. Subsequent to application and / or after attachment of the closure member to the container, the fixing arrangement, or tangs, teeth, tongues or lock member(s), may relax back to an original (un-compressed) condition or state. In one or more other embodiments of the present invention (e.g., (the) preferred embodiment(s)), during application of the closure member to the container, at least part of the fixing arrangement, or tangs, teeth, tongues or lock member(s), may be (put / placed) under tension. In other words, the fixing arrangement, or tangs, teeth, tongues or lock member(s), may be (elastically / resiliently) tensioned / expanded / stretched / elongated during application. Subsequent to application and / or after attachment of the closure member to the container, the fixing arrangement, or tangs, teeth, tongues or lock member(s), may relax (back) to an original / non-tensioned state. Container According to a third aspect of the present invention there is provided a container (or bottle) comprising a (snap-on) fixing arrangement for attaching (a mouth or neck portion of) the container to a closure / closure device, the container (snap-on) fixing arrangement having an attachment force which is less than a removal force. In other words, the force required to attach the container to the closure / closure device may be less than the force required to remove the container from the closure device (Such may be the case at least when the container and closure / closure device are in a same (rotational) disposition as when attached). The container fixing arrangement may comprise one or more (circumferentially disposed) container lock member(s), wedges or (V-shaped) teeth. According to a fourth aspect of the present invention there is provided a container (or bottle) comprising a (snap-on) fixing arrangement for attaching (a mouth or neck portion of) the container to a closure / closure device, the container (snap-on) fixing or lock arrangement comprising one or more container lock member(s), wedges or (V-shaped) teeth or lock members. The one or more container lock member(s), wedges or V-shaped teeth may be circumferentially disposed. The container fixing arrangement may have an attachment force which is less than a removal force. The (features of) the third and fourth aspects of the present invention may be combined. The following features may find utility in the third or fourth aspects of the present invention. The container / bottle may comprise a polymeric material. For example, the container / bottle may substantially comprise polyethylene (PE), polypropylene (PP), or high-density polyethylene (HDPE). A weight of the container / bottle may be less than 30 grams or less than 20 grams. A weight of the container / bottle may be at least 5 grams or 15 grams less than containers used with prior art snap-on closure devices. The container may comprise a bottle. The container lock member(s), or wedge(s) or V-shaped tooth / teeth, may be provided on a mouth or neck portion of the container, e.g., on an external side wall of the neck portion. One side of the / each container lock member(s), orwedge(s) or V-shaped tooth / teeth, may be connected to, e.g., integrally formed with, the external side wall of the mouth or neck portion. The container lock member(s), or wedge(s) or V-shaped tooth / teeth, may be fixedly or rigidly disposed relative to the mouth or neck portion of the container. The container lock member(s), or wedge(s) or V-shaped tooth / teeth, may be shaped to allow a closure / closure device to be applied to the container but to substantially prevent or mitigate against a closure / closure device being ((as) easily) removed from the container (at least when the container and the closure / closure device are in a same rotational disposition as when attached). A sloping portion of the / each container lock member(s), or wedge or V-shaped tooth / teeth, may face a neck / mouth / outlet of the container. A lock portion of the / each container lock member(s), or wedge or V-shaped tooth / teeth, may face a body of the container. The lock portion may comprise a wall portion which may be disposed at substantially 90° from the external side wall. In use, when a closure / closure device is applied to the container, optionally the lock portion(s) abut(s) a corresponding fixing arrangement, or tangs, teeth, tongues or lock members, of the closure / closure device. Such abutment may act against ease of removal of the closure / closure device from the container. In one embodiment of the present invention, the fixing or lock arrangement may comprise a (snap-on) arrangement, ring. The ring may be continuous, intermittent or broken The fixing lock or lock arrangement (snap-ring) may extend around an entire circumferential periphery or be disposed around a circumferential periphery of the external wall of the neck portion. In another (preferred) embodiment of the present invention the fixing or lock arrangement may comprise a plurality of container lock member(s), or wedges or V-shaped teeth, which may be spaced from one another and may be circumferentially provided around an / the external wall of the neck portion. This embodiment may facilitate removal of the closure / closure device from the container, e.g., by rotationally disposing the plurality of container lock member(s), or wedges or V-shaped teeth out of longitudinal alignment with fixing arrangement, or tangs, teeth, tongues or lock members, of the closure device. The container may comprise one or more (e.g., a pair of opposing) unlock portions, or cams or recesses. The container unlock portions may be provided between adjacent container lock members, or wedges or V-shaped teeth. The container lock member(s), or wedge(s) or V-shaped tooth / teeth and / or the container unlock portions may be integrally attached to the neck portion of the container. The container lock member(s), or wedge(s) or V-shaped tooth / teeth, and / or the container unlock portions may be integrally formed / moulded with the neck portion of the container. The container may comprise a container that has been moulded or otherwise formed in two-parts and / or comprises a mould split line. Combination of Closure and Container According to a fifth aspect of the present invention there is provided a combination of a closure / closure device according to the first aspect of the present invention and a container according to the third / fourth aspect of the present invention or a combination of a closure / closure device according to the second aspect of the present invention and a container according to the third / fourth aspect of the present invention. The combination of the closure / closure device and the container may together be referred to as a pack or packaging. In use, when the closure device is applied to the container, the fixing arrangement, or tangs, teeth, tongues or lock members, of the closure device may ride over the lock member(s), or wedge(s) or V-shaped tooth / teeth, of the container. In use, when the closure device has been applied to the container, the fixing arrangement, or tangs, teeth, tongues or lock members of the closure device may be disposed on a container body side of the container lock member(s), or wedge(s) or V-shaped tooth / teeth. Attempted removal of the closure device from the container may cause the fixing arrangement, or tangs, teeth, tongues or lock members, to abut against a / the lock / wall portion of the container lock member(s), orwedge(s) or V-shaped tooth / teeth. In the another (preferred) embodiment the closure / closure device and the container may be presented to one another and retained together by application of a relative longitudinal force(s) (towards one another) with the closure / closure device fixing arrangement and container fixing arrangement in radial / rotational / circumferential alignment (with one another). In this way the closure / closure device may be locked / secured to the container. In said another embodiment the closure / closure device and container may be separated from one another by relative rotational movement of the closure / closure device fixing arrangement and container unlock portions into radial / rotational / circumferential alignment (with one another). In this way the closure / closure device may be removed from the container. In said another embodiment, rotational alignment of the fixing arrangement of the closure / closure device with the unlock portions of the container may cause the fixing arrangement to resiliently deform so as to allow the closure / closure device to be released / removed from the container. The closure device and the container may comprise a / the same polymeric material, e.g., polyethylene (PE), polypropylene (PP), or high-density polyethylene (HDPE). Alternatively, the device and the container may each comprise a different polymeric material, e.g., selected from two of polyethylene (PE), polypropylene (PP), and high-density polyethylene (HDPE). Packaged FMCG According to a sixth aspect of the present invention there is provided a packaged product or packaged fast-moving consumer good (FMCG), wherein the goods / product is / are packaged in a combination of a closure and a container according to the fifth aspect of the present invention. The product / goods may comprise: a fluid and / or pourable / flowable material, e.g., a liquid, gel, paste, powder, granules or tablets. The product / goods may comprise a personal care product or a domestic cleaning product. The product / goods may comprise soap (e.g., liquid soap), shampoo, conditioner, shower gel / cream, moisturiser, sanitiser or the like. The product / goods may comprise washing powder, detergent, fabric conditioner or the like. The product / goods may comprise a food stuff, edible product or ingestible or digestible product. BRIEF DESCRIPTION OF DRAWINGS One or more embodiments of the present invention will now be described, by way of example only, and with reference to the accompanying drawings, which are: Figure 1 a cross-sectional side view of a closure and container according to a first embodiment of the present invention prior to closure; Figure 2 a cross-sectional side view of the closure and container of Figure 1 after closure; Figure 3 a perspective cross-sectional side view of the closure and container of Figure 1; Figure 4 a cross-sectional side view of a neck portion of the container of Figure 1; Figure 5 a cross-sectional side view of a tang, tooth, tongue or lock member of the closure of Figure 1; Figure 6 a cut-away cross-sectional perspective view of the closure and container of Figure 1; Figure 7 a cross-sectional perspective view along a length of the closure of Figure 1; Figure 8 a cross-sectional perspective view across a width of the closure of Figure 1; Figure 9 a perspective view of a neck portion of a container according to a second embodiment of the present invention Figure 10 a cross-sectional view across a width of a closure for use with the container of Figure 9; Figure 11 a cross-sectional view across a width of the closure of Figure 10 in a first disposition applied to a neck portion of the container of Figure 9; Figure 12 a cross-sectional view across a width of the closure of Figure 10 in a second disposition applied to the neck portion of the container of Figure 9; Figure 13 a cross-sectional side view of a closure and container according to a third embodiment of the present invention prior to closure; Figure 14 a cross-sectional side view of the closure and container of Figure 13 after closure; Figure 15 a cross-sectional side view of a closure and container according to a fourth embodiment of the present invention prior to closure; Figure 16 a cross-sectional side view of the closure and container of Figure 15 during closure; Figure 17 a cross-sectional side view of the closure and container of Figure 15 after closure; Figure 18 a cross-sectional view from one side and above of part of the closure device and container of Figure 15 in a first disposition during application of the closure device to the container; Figure 19 a cross-sectional view from one side and above of part of the closure device and container of Figure 15 in a second disposition after securing the closure device to the container; Figure 20 a cross-sectional view from one side and above of part of the closure device of Figure 15; Figure 21 a cross-sectional side view of a closure and container according to a fifth embodiment of the present invention, the closure having an alternative tang, tooth, tongue or locking member, the closure shown being applied to the container; Figure 22 a cross-sectional side view of the closure and container of Figure 21, the closure shown having been applied to the container; Figure 23 a cross-sectional side view of a closure and container according to a sixth embodiment of the present invention prior to closure; Figure 24 a cross-sectional side view of the closure and container of Figure 23 after closure; Figure 25 a perspective cross-sectional side view of the closure and container of Figure 23 after closure; Figure 26 a perspective cross-sectional side view of the closure and container of Figure 23 prior to closure; Figure 27 a perspective view of the container of Figure 23; Figure 28 a perspective cross-sectional side view of a closure and container according to a seventh embodiment of the present invention prior to closure; Figure 29 a perspective cross-sectional side view of the closure and container of Figure 28 after closure; Figure 30 a perspective view from below of the closure of Figure 28; Figure 31 a perspective view from above of the container of Figure 29; Figure 32 a cross-sectional side view of a closure and container according to an eighth embodiment of the present invention prior to closure; Figure 33 a cross-sectional side view of the closure and container of Figure 32 after closure; Figure 34 a perspective view of the container (and sloped button feature) of Figure 32; Figure 35 a cross-sectional perspective view of the closure and container and of Figure 32; Figure 36 a cross-sectional side view of a closure and container according to a ninth embodiment of the present invention prior to closure; Figure 37 a cross-sectional side view of the closure and container of Figure 38 after closure; Figure 38 a cross-sectional side view of a closure and container according to a tenth embodiment of the present invention prior to closure; Figure 39 a cross-sectional side view of the closure and container of Figure 38 after closure; Figure 40 a perspective view from below of the closure of Figure 38; Figure 41 a plan view from below of the closure of Figure 38; Figure 42 a cross-sectional side view along a length of the closure of Figure 38; Figure 43 a graph of capping force versus closure / cap displacement for a closure device according to a first example of the present invention as compared to a first prior art closure device; Figure 44 a graph of capping force versus closure / cap displacement for a closure device according to a second example of the present invention as compared to a second prior art closure device; Figure 45 a graph of force versus data sample number for a third prior art closure device; Figure 46 a graph of force versus data sample number for a closure device according to a third example of the present invention; Figure 47 a cross-sectional side view of a closure and container according to an eleventh embodiment of the present invention prior to closure; Figure 48 Figure 49 Figure 50 Figure 51 a cross-sectional side view of a closure and container of Figure 47 during closure; a cross-sectional side view of a closure and container of Figure 47 after closure; a cross-sectional view from above of the closure of Figure 47; a perspective view from the side and above showing a side cross-sectional view of the closure of Figure 47; Figure 52 a perspective view from the side and below showing s side cross-sectional view of the closure of Figure 47; Figure 53 a cross-sectional view from above of the closure of Figure 50 showing the locking members in a relaxed disposition; Figure 54 a cross-sectional view from above of the closure of Figure 50 showing the locking members in a non-relaxed (stretched) disposition; Figure 55 a cross-sectional view from above of the closure of Figure 50 showing locking members which are straight in a relaxed disposition; Figure 56 a cross-sectional view from above of an alternative closure to that of Figure 50 showing locking members which are curved in a relaxed disposition; Figure 57 a perspective view of a container adapted for use with the closure of Figure 50 (or alternative closure of Figure 56); Figure 58 a perspective view of the container of Figure 57 showing a neck portion in crosssection from above; Figure 59 a perspective view of the container of Figure 57 showing a neck portion and the closure of Figure 50 in cross-section from above in a locked disposition; Figure 60 a perspective view of the container of Figure 57 showing a neck portion and the closure of Figure 50 in cross-section from above in an unlocked disposition; Figure 61 a perspective view of an alternative container adapted for use with the closure of Figure 50 (or alternative closure of Figure 56); Figure 62 a perspective view of the container of Figure 61 showing a neck portion and the closure of Figure 50 in cross-section from above in a locked disposition; and Figure 63 a perspective view of the container of Figure 61 showing a neck portion and the closure of Figure 50 in cross-section from above in an unlocked disposition. DETAILED DESCRIPTION OF DRAWINGS Referring initially to Figures 1 to 8, there is shown a closure or closure device, generally designated 10, according to a first embodiment of the present invention. There is also shown a container or bottle, generally designated 10, according to an embodimentof the present invention. There is also shown a combination of the closure device 5 and the container 10 and a packaged Fast-Moving Consumer Good (FMCG). Closure In this first embodiment of the present invention, there is provided the closure device 5, wherein the closure device 5 comprises a (snap-on) fixing arrangement for attaching the closure device 5 to (a mouth or neck portion of) the container 10. The closure device (snap-on) fixing arrangement has an attachment force which is less than a removal force. In other words, the force required to attach the closure device 5 to the container 10 is less than the force required to remove the closure device 5 from the container 10. (Such may be the case at least when the container 10 and closure / closure device 5 are in a same (rotational) disposition as when attached). The closure device fixing arrangement 15 comprises one or more tangs, teeth, tongues or lock members. The fixing arrangement, or tangs, teeth, tongues or lock members, 15 are resiliently deformable or elastically biased and / or sprung biased. The closure device 5 comprises a (main) body. The closure device 5 or body comprises a side wall 25. The fixing arrangement, or tangs, teeth, tongues and / or lock member(s), 15 are provided on the side wall 25. Beneficially, a force required to resiliently deform the fixing arrangement, or tangs, teeth, tongues and / or lock member(s), 15 is less than a force required to deform the side wall 25 of the body or closure device 5. In other words, the fixing arrangement, tangs, teeth, tongues and / or lock member(s), 15 are resiliently deformable and / or elastically or sprung-biased while the body / side wall 25 is not (as) resiliently deformable and / or elastically or sprung-biased or may be (comparatively) substantially rigid. The body / side wall 25 is constructed to be substantially rigid (at least compared to (at least a portion of) the tangs, teeth, tongues and / or lock member(s) 15). The body / side wall 25 has a higher rigidly than (at least a portion of) the fixing arrangement, or tangs, teeth, tongues or lock member(s). The closure device 5 is applied / connected to the container 10 with resilient deformation of the fixing arrangement, or tangs, teeth, tongues and / or lock member(s), 15. The closure device 15 is or can be applied / connected to the container 10 without deformation of the closure device 5 and / or the side wall 25. The closure device 5 comprises a polymeric material. Advantageously, the closure device substantially comprises polyethylene (PE), polypropylene (PP), or high-density polyethylene (HDPE). The fixing arrangement, or tangs, teeth, tongues and / or lock members, 15 are resiliently biased to a first disposition. The fixing arrangement, or tangs, teeth, tongues and / or lock members, 15 can be resiliently moved from the first disposition, e.g., to a second disposition, upon application of the closure device 5 to the container 10. The fixing arrangement, or tangs, teeth, tongues and / or lock members, 15 can move, e.g., relax or spring, back to the first disposition upon securing of the closure device 5 to the container 10. Advantageously the attachment force is at least half, a fifth, or preferably a tenth or less of the removal force. The attachment force may be less than 20, 10, 5 or 0.5 Newtons. The removal force may be greater than 40 or 50 Newtons, e.g., at least 60 Newtons. The closure device 5 is adapted to facilitate relative ease of application of the closure device 5 to the container 10. The closure device 10 is (also) adapted to facilitate relative difficulty in removal of the closure device 5 from the container 10 (at least in a first disposition of the closure device relative to a neck portion 20 of the container 10). A geometry of the fixing arrangement, or tangs, teeth, tongues and / or lock members, 15 allow the fixing arrangement, or tangs, teeth, tongues or lock members, 15 to act as a lock arrangement or ratchet (type) mechanism. In the first embodiment of the present invention, the fixing arrangement, or tangs, teeth, tongues and / or lock members, 15 are provided on an internal surface of a side wall 25 of the closure device 5. The / each fixing arrangement, or tang, tooth, tongue and / or lock member, 15 is integrally connected with the side wall 25 of the closure device 5. The / each tang, tooth, tongue and / or lock member 15 is integrally formed with the side wall 25 of the closure device 5. For example, the closure device 5 and fixing arrangement, or tangs, teeth, tongues and / or lock members, 15 can be moulded together in one piece. The closure / closure device comprises a (main) body. The body provides the side wall 25. The tangs, teeth, tongues and / or lock member(s) 15 are provided on the side wall 25. Beneficially, a force required to resiliently deform the fixing arrangement, or tangs, teeth, tongues and / or lock member(s), 15 is less than a force required to deform the side wall 25 of the body or closure / closure device 5. There are provided a plurality of fixing arrangement, or tangs, teeth, tongues and / or lock members, 15. The plurality of fixing arrangement, or tangs, teeth, tongues and / or lock members, 15 are circumferentially disposed, e.g., in (equally) spaced relation, around the side wall 25. Advantageously there are provided a plurality of symmetrically (e.g., diametrically) opposing (pairs of) fixing arrangement, or tangs, teeth, tongues and / or lock members, 15. In this embodiment, there may be provided at least four tangs, teeth, tongues and / or lock members, wherein each tang, tooth, tongue and / or lock member is circumferentially spaced from an adjacent tang, tooth, tongue or lock member by 90°. Each fixing arrangement, or tang, tooth, tongue or lock member, 15 has a first end 30 connected to the side wall 25 of the closure device 5 and a second (free) end 35. The closure device 5 comprises a first (container proximal) end 40. The closure device 5 comprises a second (container distal) end 45. The second end of the / each fixing arrangement, or tang, tooth, tongue or lock member, 15 is disposed distal (radially distal) from an inner or outer side of the side wall 25. The second end of the / each fixing arrangement, or tang or teeth, 15 is disposed longitudinally closer to a second end of the closure device 5 than is the first end of the / each fixing arrangement, or tang, tooth, tongue or lock member, 15. The first end of the / each fixing arrangement, or tang, tooth, tongue or lock member, 15 is disposed longitudinally closer to the first end of the closure device 5 than is the second end of the / each fixing arrangement, or tang, tooth, tongue or lock member, 15. The closure device 5 comprises a cap. The second end 45 of the closure device 5 can comprise an openably closable arrangement 50. The openably closable arrangement 50 can comprise a container access arrangement. The openably closable arrangement 50 comprises an aperture 55, orifice or pouring lip (e.g., provided at or adjacent the second end) which can be openably closable by a (removably replaceable) lid 52 (e.g., friction fit lid), top, stopper or the like. The lid 52, top or stopper can be attached to the closure device 5 via a living or integral hinge 54. The lid 52 can be opened manually, e.g., by placing a thumb in a closure recess 56. The lid 52 is provided with a plug 58 which sealing engages into and with aperture 55. The closure device 5 comprises an end wall or top 46. The aperture 55 is provided on the end wall / top 46. The closure device 5, e.g., the end wall 46 has a seal 48 provided on an inner side thereof. In use, the seal 48 seals between the closure device 5 and the neck portion 20 of the container 10. The closure device 5 comprise a skirt 59, such as an annular or cylindrical skirt. The side wall 25 is provided on the skirt 59, e.g. on an inner (or outer) side thereof. The closure device 5, e.g., the skirt, comprises a substantially cylindrical shape. The inner side of the side wall of the closure device 5 comprises a substantially cylindrical shape. It will be appreciated that a closure device 5 according to the present invention is adapted to require a reduced force to apply the closure device 5 to (a mouth or neck portion 20) of a container 10 or bottle. This consequentially decreases the required strength of the container 5 (bottle) and the amount of polymeric material needed to be used in a wall(s) of the container 5 (bottle). This reduction in polymeric material can lead to financial savings and / or sustainability benefits. These may be achieved without compromising the integrity and removal force of the closure device 5, seeking to ensure secure and user-friendly packaging. Container In this first embodiment of the present invention, there is provided the container (or bottle) 10 comprising a (snap-on) fixing arrangement for attaching the container 10 to (a mouth or neck portion of) the closure device 5, the container (snap-on) fixing arrangement having an attachment force which is less than a removal force. In other words, the force required to attach the container 10 to the closure device 5 is less than the force required to remove the container 10 from the closure device 5. Such may be the case at least when the container and closure / closure device are in a same (rotational) disposition as when attached). The container fixing arrangement may comprise a circumferentially disposed container lock member(s), wedge or V-shaped tooth 60. The container 10 comprises a polymeric material. Advantageously, the container 10 substantially comprises polyethylene (PE), polypropylene (PP), or high-density polyethylene (HDPE). Typically, a weight of the container 10 is less than 30 grams, and advantageously less than 20 grams. A weight of the container 10 can be around 5 grams or 15 grams less than containers used with prior art snap-on closure devices. The container 10 can comprise a bottle. The container lock member(s), wedge(s) or V-shaped tooth / teeth, 60 is / are provided on the neck portion 20 of the container 10, e.g., on an external side wall 65 of the neck portion 20. One side of the / each container lock member(s), wedge(s) or V-shaped tooth / teeth, 60 is connected, e.g., integrally formed with, the external side wall 65 of the neck portion 20. The container lock member(s), wedge(s) or V-shaped tooth / teeth, 60 is / are fixedly or rigidly disposed relative to the neck portion 20 of the container 10. The container lock member(s), wedge(s) or V-shaped tooth / teeth, 60 is / are shaped to allow the closure device 5 to be applied to the container 10 but to substantially prevent or mitigate against the closure device 5 being ((as) easily) removed from the container 10 (at least when the container and the closure / closure device are in a same rotational disposition as when attached). A sloping portion 70 of the / each container lock member(s), or wedge or V-shaped tooth / teeth, 60 faces a neck / mouth or outlet 75 of the container 10. A lock portion 80 of the / each container lock member(s), or wedge or V-shaped tooth / teeth, 60 faces a body 85 of the container 10. The lock portion 80 comprises a wall portion which is disposed at substantially 90° from the external side wall 65. In use, when a closure device 5 is applied to the container 10, the lock portion(s) 80 abut(s) corresponding tangs, teeth, tongues or lock members 15 on the closure device 5. Such abutment acts against ease of removal of the closure device 5 from the container 10. In the first embodiment of the present invention the fixing or lock arrangement comprises a (snap-on) an arrangement or ring. In the first embodiment the fixing or lock arrangement (snapring) can extend around an entire circumferential periphery of the external wall 65 of the neck portion 20. The wedge(s) or V-shaped tooth / teeth 60 is / are integrally attached to the neck portion 20 of the container 10. The wedge(s) or V-shaped tooth / teeth 60 is / are integrally formed / moulded with the neck portion 20 of the container 10. The container 10 beneficially comprises a container 10 that has been moulded (formed) in two-parts and comprises a mould split line. Combination of Closure and Container In this first embodiment of the present invention, there is provided a combination of the closure device 5 and the container 10. In use, when the closure device 5 is applied to the container 10, the fixing arrangement, or tangs, teeth, tongues or lock members, 15 of the closure device 5 ride over the lock member(s), or wedge(s) or V-shaped tooth / teeth, 60 of the container 10. In use, when the closure device 5 has been applied to the container 10, the fixing arrangement, or tangs, teeth, tongues or lock members, 15 of the closure device 5 are disposed on a container body 85 side of the lock member(s), wedge(s) or V-shaped tooth / teeth, 60. Attempted removal of the closure device 5 from the container 10 cause the fixing arrangement, tangs, teeth, tongues or lock members, 15 to abut against the lock portion 80 of the lock member(s), wedge(s) or V-shaped tooth / teeth, 60. The closure device and the container can comprise a / the same polymeric material, e.g., polyethylene (PE), polypropylene (PP), or high-density polyethylene (HDPE). Alternatively, the device and the container can each comprise a different polymeric material, e.g., selected from two of polyethylene (PE), polypropylene (PP), and high-density polyethylene (HDPE). Packaged FMCG In this first embodiment of the present invention, there is provided a packaged Fast-Moving Consumer Good (FMCG), wherein the goods / product is / are packaged in a combination of the closure 5 and the container 10. Figure 2 shows a top (liquid) level 47 of the goods (e.g., liquid). The goods can comprise: a fluid and / or pourable / flowable material, e.g., a liquid, gel, paste, powder granules or tablets. The goods can comprise a personal care product or a domestic cleaning product. The goods can comprise soap (liquid soap), shampoo, conditioner, shower gel, moisturiser, sanitiser or the like. The goods can comprise washing powder, detergent, fabric conditioner or the like. The goods can alternatively comprise a food stuff, edible product or ingestible product. It will be appreciated that during the packaging process, the container is filled with a FMCG product. The closure device 5 is then presented to and secured on the container 10 - usually using a downward force. The packaged FMCG product is then ready for shipping / transportation to a point of distribution or sale. The level of product 47 is shown in Figure 2. The closure device 5 (whether for liquid or powder packaging) comprises a lid 52 with a hinge 54 and thumb recess 56, the closure device 5 provides for dosing through an aperture 55 or orifice and plug assembly 58. It will be appreciated that the design can vary from that illustrated. The aperture 55 is for controlling the dosing - typically a less viscous material will require a small orifice and a more viscous material will require a larger orifice. The lid 52 contains two elements: a hinge 54 - to allow opening of the lid 52; and a plug 58 - which acts as a valve or seal to keep the product in the container 10 when not in use. The plug 58 includes a small bump which prevents the lid 52 opening accidentally opening. Typically, the lid 52 is part of the closure 5 as production of a single component is more cost effective. However, there may be instances where two-part closures can be required. In the first embodiment, the tangs, teeth, tongues or lock members 15 are internal of the closure 5 and connect to an external surface of the container 10. In this configuration, when the closure (cap) 5 is engaged onto the container (bottle) 10, the / each tang, tooth, tongue or lock member 15 deform(s) as the closure 5 is applied to the container 10 whilst passing over the container wedge or V-shaped tooth (snap ring) 60. Once the / each tang, tooth, tongue or lock member 15 has progressed beyond the snap ring, the / each tang, tooth, tongue or lock member 15 relaxes back to / towards an original / normal position, effectively locking the closure 5 in place. Therefore, this design permits movement in one direction (the application direction) with minimal force, but acts to prevent movement in an opposite direction (the removal direction). Example dimensions and angular dispositions of the parts of the container 10 and closure 5 are shown in Figures 3 and 4. Referring now to Figures 9 to 12, there is shown a closure device 105 and container 110 according to a second embodiment of the present invention. The closure device 105 and container 110 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘100’. In the second embodiment, the container fixing or lock arrangement comprises a plurality of wedge or V-shaped teeth 160 circumferentially spaced from one another around the neck portion 120 of the container 110. When the tangs, teeth, tongues or lock members 115 are rotationally disposed to be longitudinally aligned with the wedge or V-shaped teeth 160, the closure 105 and container 110 are locked together. However, when the tangs, teeth, tongues or lock members 115 are rotationally disposed to be out of longitudinal alignment with the wedge or V-shape teeth, the closure 105 and container 110 are unlocked from one another and are separable. After application, the closure 105 will be very difficult to remove from the container 110 (bottle). However, in cases where the closure 105 may need to be removed, the neck portion 20 can be designed in a way that with an angular movement or twist of the closure 105 (cap) the tangs, teeth, tongues or lock members 115 are no longer engaged with the wedge or V-shaped teeth 115 which are in the form of a discontinuous snap-ring. This embodiment facilitates removal of the closure device 105 from the container 110, e.g., by rotationally disposing the plurality of wedges or V-shaped teeth 160 out of longitudinal alignment with the tangs, teeth, tongues or lock members 115 of the closure device 105. Referring now to Figures 13 and 14, there is shown a closure device 205 and container 210 according to a third embodiment of the present invention. The closure device 205 and container 210 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘200’. In the third embodiment, the tangs, teeth, tongues or lock members 215 are provided on an external surface of a side wall 225 of the closure device 205. In this configuration, when the closure 205 (cap) is engaged onto the container 210 (bottle), one or more tangs, teeth, tongues or lock members 215 deform as the closure 205 is applied to the container 210 whilst passing through a bore of the neck portion 220 of the container 210. Once the tangs, teeth, tongues or lock members 215 have progressed beyond the bore of the neck portion 220, the tangs, teeth, tongues or lock members 215 relax back to a normal position and effectively lock the closure 205 in place. Therefore, this embodiment permits movement in one direction (application direction) with minimal force, but acts to prevent movement in the opposite direction (removal direction). This embodiment enables a closure 205 of lower profile - as there is no need to have an external snap-ring on the neck portion 220 of the container 210. Referring now to Figures 15 to 20, there is shown a closure device 305 and container 310 according to a fourth embodiment of the present invention. The closure device 305 and container 310 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘300’. In the fourth embodiment of the present invention, the / each tang, tooth, tongue or lock member 315 comprises a tongue 390 which depends (longitudinally) from a side wall 325 of the closure device 305. The / each tongue 390 has a closure wedge or V-shaped tooth provided at a distal end thereof. This fourth embodiment provides a flexible and slender design compared to known closures, and features a secondary closure function. In this fourth embodiment, when the closure 305 (cap) is engaged onto the container 310 (bottle), tongues 390 (slender flexible bumps) deform as the closure 305 is applied to the container 310 whilst passing over the container wedge or V-shaped tooth 360 (snap-ring). Once the tongues 390 (bumps) have progressed beyond the bottle snap-ring, the tongues 390 (bumps) relax back to the normal disposition. However, the tongues 390 and tangs, teeth, tongues or lock members 315 may not provide sufficient force to lock the closure 305 in position. In such case, a lock portion 392 of the closure 305 is pushed (down) into a locked position which then prevents the tongues 390 (bumps) moving axially, thus effectively locking the closure 305 in position, achieving a high removal force, and effectively locking the closure 305 (cap) in place. The lock portion 392 of the closure device 305 comprises a locking ring 394 which deforms during downward application and locks into a recess 396 in a side wall of a body portion 398 of the closure 305. The fourth embodiment permits movement in one direction (in the application direction) with minimal force, but acts to prevent movement in the opposite direction (the removal direction). Referring now to Figures 21 to 22, there is shown a closure device 405 and container 410 according to a fifth embodiment of the present invention. The closure device 405 and container 410 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘400’. Figure 21 shows a cross-sectional view of the closure 405 being applied to the container 410. Figure 22 shows a cross-sectional side view of the closure 405 having been applied to the container 410. As can be seen from Figures 21 and 22, the closure device 415 has modified tangs, teeth, tongues or locking members 415 as compared to the tangs, teeth, tongues or locking members of the closure 5 of Figures 1 to 8. The tangs 415 are (naturally) self-sprung biassed to a position shown in Figure 21, where the / each tang 415 is disposed to extend substantially perpendicularly from the side wall 425 of the closure 405. In use, when applied to the neck portion 420 of the container 410, the / each tang 415 flexes by virtue of wiping against external side wall 465 of the neck portion 420. Continued application of the closure 405 to the container 410 causes the / each tang 405 to ride over a / the wedge or V-shaped tooth / teeth 460, and then to lock behind a / the wedge or V-shaped tooth / teeth 460. As can be seen from Figure 22, the / each tang 415 is forced away from the substantially perpendicular position initially by virtue of wiping against the neck portion 420 and then being entrapped between the closure side wall 425 and the neck portion 420 of the container 410. The substantially perpendicular disposition of the tang 415 in a relaxed (self-sprung biased) state can advantageously assist in allowing the closure 405 being made as a one-piece moulding. Referring now to Figures 23 and 27, there is shown a closure / closure device 505 and container / bottle 510 according to a sixth embodiment of the present invention. The closure device 505 and container 510 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘500’. Referring now to Figures 28 and 31, there is shown a closure / closure device 605 and container / bottle 610 according to a seventh embodiment of the present invention. The closure device 605 and container 610 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘600’. Referring now to Figures 32 and 35, there is shown a closure / closure device 705 and container / bottle 710 according to an eighth embodiment of the present invention. The closure device 705 and container 710 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘700’. Referring now to Figures 36 and 37, there is shown a closure / closure device 805 and container / bottle 810 according to a ninth embodiment of the present invention. The closure device 805 and container 810 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘800’. Referring now to Figures 38 to 42, there is shown a closure / closure device 905 and container / bottle 910 according to a tenth embodiment of the present invention. The closure device 905 and container 910 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8, like parts being indicated by like numerals, but iterated by ‘900’. Referring now to Figure 43, there is shown experimental results comprising a graph of capping force versus closure / cap displacement for a closure device according to a first example of a closure device of the present invention (lower line) as compared to a first prior art closure device (higher line). The first example of the closure device can comprise a closure device 5, 105, 205, 305, 405, 505, 605, 705, 805, 905 according to one of the first to tenth embodiments hereinbefore described with reference to Figures 1 to 42. Referring now to Figure 44, there is shown experimental results comprising a graph of capping force versus closure / cap displacement for a closure device according to a second example of a closure device of the present invention (lower line) as compared to a second prior art closure (upper line). The second example of the closure device can comprise a closure device 5, 105, 205, 305, 405, 505, 605, 705, 805, 905 according to one of the first to tenth embodiments hereinbefore described with reference to Figures 1 to 42. Referring now to Figure 45, there is shown a graph of force versus data sample number for a third prior art closure device. As can be seen from Figure 45, for this third prior art closure device, the force required to apply the closure device to the container (the capping force) is around 50 Newtons. Further, as can be seen from Figure 45, for this third prior art closure device, the force required to remove the closure device from the container (the removal force) is around 46 Newtons. In other words, the capping force and the removal force are approximately equal in value. Referring now to Figure 46, there is shown a graph of force versus data sample number for a closure device according to a third example of the present invention. The third example of the closure device can comprise a closure device 5, 105, 205, 305, 405, 505, 605, 705, 805, 905, according to the first to tenth embodiments hereinbefore described with reference to Figures 1 to 42. As can be seen from Figure 46, for this third example of the closure device of the present invention, the force required to apply the closure device to the container (the capping force) is around 12 Newtons. Further, as can be seen from Figure 46, for this third example of the closure device of the present invention, the force required to remove the closure device from the container (the removal force) is around 82 Newtons. In other words, the capping force is much less than the removal force. Or to put it another way, the removal force is much greater than the capping force. The first, second and third examples of the present invention, shown in Figures 43, 44 and 46 respectively, were made by (Fused Deposition Modelling) FDM. It will be appreciated, e.g., from Figure 46, that the design of a closure device according to an embodiment of the present invention can be tuned or customised, e.g., to a particular application force and / or to a particular removal force, e.g., to suit the requirements of a selected closure device and / or container. Referring now to Figures 47 to 56 (and to Figures 57 to 60 and Figures 61 to 63), there is shown a closure device 1005 and container / bottle 1010 according to an eleventh embodiment of the present invention. The closure device 1005 and container 1010 are in some respects similar to the closure device 5 and container 10 of Figures 1 to 8 (and other of the disclosed embodiments), like parts being indicated by like numerals, but iterated by ‘1000’. Particularly, the closure device 1005 and container 1010 of the eleventh embodiment are in many respects similar to the closure device 905 and container 910 of the tenth embodiment shown in Figures 38 to 42. The fixing arrangement or lock member(s) 1015 comprise(s) / each comprise at least one resiliently deformable member. In the disclosed embodiment, there are provided at least one pair of diametrically opposing resiliently deformable members. The / each resiliently deformable member comprises first and second ends. Advantageously at least one, and preferably both, of the first and second ends is / are attached to an inner wall of the closure device 1005, e.g., to an inner wall of the (annular / cylindrical) skirt 1059. The first and second ends of the / each / each pair of resiliently deformable member(s) is provided ata same longitudinal level / position on the closure device 1005. In the eleventh embodiment, in one implementation (see Figure 55), in a relaxed disposition the / each resiliently deformable member is substantially straight in shape (when viewed from above). In such implementation, the / each resiliently deformable member comprises / forms a chord to the (cylindrical) skirt 1059. Alternatively, in a second implantation (see Figure 56), in a relaxed disposition the / each resiliently deformable member is arcuate (when viewed from above), and convex relative to an / the inner wall of the skirt 1059. In either implementation of the eleventh embodiment, and in other implementations, during application of the closure device 1005 to a / the container 1010, the / each resiliently deformable member is caused to bend / flex or further bend / flex so as to become convex / more convex relative to an / the inner wall of the skirt 1059. Upon locking of the closure device 1005 to / on the container 1010, the / each at least one resiliently deformable member can return to a / the relaxed disposition. In the eleventh embodiment the closure device 1005 and the container 1010 are presented to one another and retained together by application of a relative longitudinal force(s) (towards one another) with the closure device fixing arrangement 1015 and container lock member 1060 in radial / rotational / circumferential alignment (with one another). In this way the closure device 1005 can be locked / secured to the container 1010. In this embodiment the closure device 1005 and container 1010 can be separated from one another by relative rotational movement of the closure device fixing arrangement 1015 and container unlock portions 1070 into radial / rotational / circumferential alignment (with one another). In this way the closure device 1005 can be removed from the container 1010. Rotational alignment of the fixing arrangement 1015 of the closure device 1005 with the unlock portions 1070 of the container 1010 can cause the fixing arrangement 1015 to resiliently deform so as to allow the closure device 1005 to be released / removed from the container 1010. It will be appreciated that, in the design of this embodiment, there is used a fixing arrangement 1015 comprising a straight-line chord “tie” across the circular inner wall of the closure device 1005 to form a “retainer”. In use, when the closure device 1005 (cap) is applied, thetie(s) extend / elongates on passing over the container 1010 (bottle) snap ring, then snaps back into a relaxed position once over / passed the snap ring. The closure device 1005 cannot be removed by hand unless rotated to the removal position on the container 1010. This embodiment differs from other embodiments in that the “tie” stretches / extends to pass over the snap ring, while in other designs the fixing arrangement 1015 is / are compressed. The removal process is the same as in other embodiments, e.g., with tang and side spring designs. An advantage of this embodiment is simplicity to mould - the design can use a collapsable mould core ensuring that the closure device 1005 is moulded in one-piece which reduces component costs. Figure 57 to 63 show respective first and second neck designs of a container 1010a; 1010b which facilitate removal of a closure device 1005a. Figures 57 to 60 show a container 1010a having on the neck portion 1020a unlock portions comprising cams 1070a. The container 1010a comprises one or more (e.g., a pair of opposing) unlock portions or cams 1070a, which are provided between adjacent container lock members, or wedges or V-shaped teeth, 1060a. Figures 61 to 63 show a container 1010b having on the neck portion 1020b unlock portions comprising slots or flats 1075b. The container comprises one or more (e.g., a pair of opposing) unlock portions or recesses / flats 1075b, which are provided between adjacent container lock members, or wedges or V-shaped teeth, 1060b. It will be appreciated that Figure 43 to 46 can be applied to the eleventh embodiment of Figures 47 to 63. A number of embodiments of the present invention (e.g., the tenth and eleventh embodiments) can provide advantage in that the closure member 905; 1005 can be capable of formation in or as a one-piece mould(ing) or collapsible mould. A number of embodiments of the present invention (e.g., the tenth and eleventh embodiments) can provide advantage in that the closure member 905; 1005 and container 910; 1010 can be capable of being released or removed from one another. Such may allow for refilling of the container 910; 1010. In one or more embodiments (e.g., the first to ninth embodiments), during application of the closure member 5; 105; 205; 305; 405; 505; 605; 705; 805 to the container 10; 110; 210; 310; 410; 510; 610; 710; 810, at least part of the fixing arrangement, or tangs, teeth, tongues or lock member(s), 15; 115; 215; 315; 415; 515; 615; 715; 815 can be (put) under compression. In other words, the fixing arrangement, or tangs, teeth, tongues or lock member(s), 15; 115; 215; 315; 415; 515; 615; 715; 815 can be (elastically / resiliently) compressed during application. Subsequent to application and / or after attachment of the closure member to the container, the fixing arrangement, or tangs, teeth, tongues or lock member(s), 15; 115; 215; 315; 415; 515; 615; 715; 815 can relax back to an original (un-compressed) condition or state. In one or more other embodiments (e.g., the tenth or eleventh embodiments), during application of the closure member 905; 1005 to the container 910; 1010, at least part of the fixing arrangement, or tangs, teeth, tongues or lock member(s), 915 / 1015 can be (put) under tension. In other words, the fixing arrangement, or tangs, teeth, tongues or lock member(s), 915; 1015 can be (elastically / resiliently) tensioned / expanded / stretched / elongated during application. Subsequent to application and / or after attachment of the closure member to the container, the fixing arrangement, or tangs, teeth, tongues or lock member(s), 910; 1015 can relax (back) to an original / non-tensioned state. Once a closure device has been secured to a container, it is important that the closure device cannot be too easily removed from the container. This is important to seek to ensure that the contents of the container are securely packaged. In the art, a number of tests are known which can determine the relative security of packaging such as a combination of a closure device and container. One such test is American Standard, "ASTM D2463-15 Standard Test Method for Drop Impact Resistance of Blow-Molded Thermoplastic Containers" relating to drop testing. This test measures removal force as a proxy or quantifiable measurement of how secure a closure device is on a container / bottle. The present invention provides a novel closure design that reduces the capping force required by a significant factor, e.g., at least ten times, whilst maintaining a high removal force. This reduction in capping force allows for the use of less polymer in the container or bottle wall, which offer both financial and sustainability benefits. The closure design can also provide greater flexibility in bottle shape and design, without compromising on the functional integrity or consumer preferences for packaging aesthetics and usability. Embodiments of the present invention can provide one or more attractive features over the prior art. For example: 1. An innovative closure mechanism: A closure according to the present invention can employ mechanisms such as tangs, teeth, tongues and / or locking devices, or toggle systems to achieve a lower capping force and a high removal force. These mechanisms ensure that the cap can be easily applied with less pressure, while remaining securely fastened during use. By reducing the capping force, the structural requirements of the container / bottle are lowered, allowing for thinner walls and less polymer usage. A typical prior art snap-on closure has a capping force of greater than 50 Newtons, whereas a snap-on closure according to an embodiment of the present invention has a reduced capping force of less than 5 Newtons. 2. Material and Cost Savings: The reduction in polymer usage can directly translate to cost savings in material procurement and production, while the thinner walls of the container / bottle can reduce overall weight, which can lead to lower transportation costs and reduced carbon emissions during distribution. 3. Sustainability Benefits: Decreased polymer usage can result in a lower environmental footprint, contributing to sustainability goals and reducing plastic waste. The design can support recycling and refilling initiatives, as the closure can be easily removed and reapplied without damaging the bottle or the cap. A typical container / bottle of the present invention can weigh 35 grams - therefore, a saving of greater than 5 or 15 grams of polymeric material per container / bottle is achievable. 4. Design Flexibility: With reduced structural constraints, packaging designers can have more freedom to create innovative shapes and designs that appeal to consumers, such as lower profile caps and less structurally stable bottles. This flexibility allows brands to differentiate their products on the shelf while adhering to sustainability practices. 5. Implementation: The invention can be integrated into existing filling lines without significant modifications to the capping equipment. New mould tooling for the closure and bottle neck may be required to produce the new closure and container, but this investment can be offset by the long-term material and cost savings or undertaken on a packaging innovation project with no additional cost. It will be appreciated that the embodiments of the present invention hereinbefore described are given by way of example only and are not meant to limit the scope of the invention in any way. It will also be appreciated that embodiments of the present invention can provide one or more advantages over the prior art. For example: A. A reduction in capping force: Embodiments of the present invention provide a closure design that reduces the capping force required to apply the closure to a container / bottle by employing tangs, teeth, tongues and / or locking devices, or toggle mechanisms. B. A material savings: Embodiments of the present invention provide a closure having the ability to reduce polymer usage in the container / bottle wall by a minimum of 20% and possibly by around 50% by lowering the capping force, resulting in cost savings and sustainability benefits. C. Environmental impact mitigation: Embodiments of the present invention provide a closure that can lead to a reduction in the environmental impact of FMCG packaging through decreased polymer usage, transportation and support for recycling and refilling initiatives. D. Design flexibility: Embodiments of the present invention provide a closure which can have enhanced design flexibility for container / bottle shapes, allowing for innovative and consumer-attractive packaging solutions. It will be appreciated that one or more embodiments of the present invention may provide one or more benefits over the prior art. For example: • A reduction, e.g., of up to 50%, in bottle plastic consumption - leading to significant sustainability and savings benefits. • Increased pack design / materials freedom. • Little or no change in factory assets. There are currently a number of reasons for high polymer content in HPC type bottles, e.g.: consumer preference, shipping concerns (crushing / panelling), and factory requirements (high capping force, crush avoidance). However, it is believed that the present invention can provide added benefit over existing technology, and that parties will appreciate the use of less plastic. In the prior art: • Closures / caps are designed to have >25% less capping force than bottle crush strength. • Typical snap rings are designed to have a similar removal force as application force to ensure that a product stay sealed. There invention provides an opportunity to provide a cap which has a much lower application force than removal force. Current designs use a bottle snap ring and cap lugs; the lugs need to be mechanically deformed to pass over the snap ring resulting in a high application force, e.g., >80N. Current designs takes a lot of force to remove or can be impossible to remove, and are not good for refilling or rinsing out. The present Inventors have adapted a holistic approach to designing the closure and container. By changing the design of the closure (cap) the Inventors have been able to change the engagement system to reduce the capping force by at least half, while ensuring that the closure is capable of being applied to the closure by current capping production equipment / assets. The invention modified the container / bottle design, while allowing removal of the closure (cap) for refilling, if required. Embodiments of the present invention provide one or more benefits, e.g.: • Brand - the invention can lead to an enhanced consumer experience, as the invention can allow more freedom and improves sustainability. • Procurement - the average prior art HDPE bottle weighs around 30 grams; the invention can enable container / bottle polymer usage to be reduced. • Supply chain - the invention should not require any additional packing / packaging assets / equipment. 5

Claims

1. A closure device comprising a fixing arrangement for attaching the closure device to a mouth or neck portion of a container, the fixing arrangement comprising one or more resiliently 5 deformable and / or elastically or sprung-biassed lock members, wherein the fixing arrangement has an attachment force which is less than a removal force at least when the closure device is in a same rotational disposition relative to the container as when attached, wherein the / each resiliently deformable member comprises first and second ends both of which are attached to an inner side wall of the closure device, and the first and second ends of the / each resiliently 10 deformable member are provided at a same longitudinal level on the closure device.

2. A closure device as claimed in claim 1, wherein during application of the closure member to the container at least part of the fixing arrangement or lock member(s) is / are put under tension or is / are elastically stretched, and subsequent to application of the closure member to the 15 container the fixing arrangement or lock member(s) relax back to an original / non-tensioned state.

3. A closure device as claimed in either of claims 1 or 2, wherein there are provided at least one pair of diametrically opposing resiliently deformable members.20 4. A closure device as claimed in claim 3, wherein in a relaxed disposition the / each resilientlydeformable member is substantially straight or arcuate.

5. A closure device as claimed in any of claims 1 to 4, wherein the closure device comprises a body, the body comprises a side wall, the member(s) being provided on the side wall; wherein 25 a force required to resiliently deform the fixing arrangement or lock member(s) is less than a force required to deform a side wall of the body or closure device.

6. A closure device as claimed in any of claims 1 or 5, wherein the closure device comprises a polymeric material.

307. A closure device as claimed in any of claims 1 to 6, wherein the fixing arrangement, or the / each lock member is / are biased to a first disposition, the fixing arrangement or the / each ock member being movable from the first disposition to a second disposition upon application of the closure device to a container, the fixing arrangement or the / each lock member relaxing or 35 springing back to the first disposition upon securing of the closure device to a container.16 12258. A closure device as claimed in any of claims 1 to 7, wherein an / the attachment force is less than 20, 10, 5 or 0.5 Newtons and / or a / the removal force is greater than 40 or 50 Newtons or at least 60 Newtons.5 9. A closure device as claimed in any of claims 1 to 8, wherein the fixing arrangement orthe / each lock member is integrally formed with or moulded to a / the side wall of the closure device.

10. A closure device as claimed in any of claims 1 to 9, wherein there are provided a plurality of lock members, the plurality of lock members being circumferentially disposed in spaced relation 10 around the wall.

11. A closure device as claimed in any of claims 1 to 10, wherein the closure device comprises a first end and a second end, the first end comprising an open end, the second end comprising an openably closable arrangement, the openably closable arrangement comprising a container 15 access arrangement.

12. A closure device as claimed in any of claims 1 to 11, wherein the closure device comprises a skirt, the side wall being provided on the skirt.20 13. A closure device as claimed in any of claims 1 to 12, wherein the closure member is formedin or as a one-piece mould or collapsible mould.

14. A closure device as claimed in any of claims 1 to 13, wherein the closure member and container are adapted to be capable of being released or removed from one another, for example, 25 to allow for refilling of the container.

15. A combination of a closure device according to any of claims 1 to 14 and a container, wherein the container comprises a fixing arrangement for attaching a mouth or neck portion of the container to the closure device, the container fixing arrangement comprising one or more 30 container lock member(s), the container fixing arrangement having an attachment force which is less than a removal force at least when the container and closure device are in a same rotational disposition as when attached.

16. A combination as claimed in claim 15, wherein, in use, when the closure device is applied 35 to the container, the fixing arrangement or lock member(s) of the closure device ride over the lock member(s) of the container, and when the closure device has been applied to the container the fixing arrangement or lock members of the closure device are disposed on a container body side of the container lock member(s), and wherein attempted removal of the closure device from the16 1225container causes the fixing arrangement or lock members to abut against a lock or wall portion of the container lock member(s).

17. A combination as claimed in either of claims 15 or 16, wherein the closure device and the 5 container are connectable to one another and retained together by application of a relative longitudinal force(s) towards one another with the closure device fixing arrangement and container fixing arrangement in a predetermined rotational alignment with one another such that the closure device is securable to the container.10 18. A combination as claimed in any of claims 15 to 17, wherein the closure device andcontainer are separable from one another by relative rotational movement of the closure device fixing arrangement and container unlock portions into a predetermined rotational alignment with one another; and rotational alignment of the fixing arrangement of the closure device with the unlock portions of the container causes the fixing arrangement to resiliently deform so as to allow15 the closure device to be released from the container19. A combination as claimed in any of claims 15 to 18, wherein the closure device and the container comprise a same polymeric material or the closure device and the container each comprise a different polymeric material.2020. A combination as claimed in any of claims 15 to 19, wherein the closure device and / or the container comprise a polymeric material, such as polyethylene (PE), polypropylene (PP), or high-density polyethylene (HDPE).25 21. A combination as claimed in any of claims 15 to 20, wherein a weight of the container isless than 30 grams, or is less than 20 grams.

22. A combination as claimed in any of claims 15 to 20, wherein:the container lock member(s) are provided on a neck portion of the container;30 one side of the / each container lock member(s) is / are connected the external side wall ofthe neck portion;the container lock member(s) are fixedly or rigidly disposed relative to the mouth or neck portion of the container; andthe container lock member(s) are shaped to allow the closure device to be applied to the 35 container and to substantially prevent or mitigate against a closure device being removed from the container at least when the container and the closure device are in a same rotational disposition as when attached.

23. A combination as claimed in any of claims 15 to 22, wherein:a sloping portion of the / each container lock member(s) faces a neck / mouth / outlet of the container;a lock portion of the / each container lock member(s) faces a body of the container.

524. A combination as claimed in any of claims 15 to 23, wherein the fixing or lock arrangement(s) comprise a snap-on arrangement, ring or snap-ring.

25. A combination as claimed in any of claims 15 to 24, wherein the container comprises a 10 container that has been moulded in two parts and / or comprises a mould split line.

26. A packaged Fast-Moving Consumer Good (FMCG), wherein the goods / product is / are packaged in a combination of a closure and a container according to any of claims 23 to 26.16 1225

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