Closure system for pouches or containers

Abstract

A container formed entirely of elastomer comprises a body including a front wall and a rear wall connected to the front wall along its periphery. The container further comprises a closure system including a front side having a male closure profile containing a male closure element and a rear side having a female closure profile. The female closure profile includes a female closure element and defines a cavity. A centerline extends through the cavity such that the female closure element is symmetrical with respect to the centerline. The male closure element includes a head portion having a primary profile and a secondary profile extending from the primary profile. The height of the secondary profile, measured perpendicular to the centerline, is greater than the height of the primary profile, measured perpendicular to the centerline.

Description

Technical Field

[0001] The present disclosure generally relates to a pouch or container having an improved closure system, and more particularly to a closure system that produces a desirable sound for a user during closing.

Background Art

[0002] Historically, reusable pouches and containers (collectively referred to as "bags") used for food packaging have included a folded web of elastomeric material or a web formed of blown, cast, single layer or coextruded film, having two sidewalls that are folded at the bottom and sealed at the sides. Bags typically have a reusable fastener or closure system at the top of the bag, such as an adhesive, wire tie, or plastic zipper. Thermoplastic bags have various benefits including cost reduction and ease of manufacture, efficient packaging and transportation, and desirable sealing capabilities for end use, but such bags are typically not reusable, and there is a desire for new and improved food packaging bags that maintain the benefits associated with prior art bags considering consumer trends related to reusable packaging. Thus, it is desirable to use materials that provide for repeated use, i.e., to maintain or enhance the benefits of prior art bags by using one or more sustainable materials.

[0003] Reusable sealable bags are known in the art. For example, elastomeric pouches having a resealable closure mechanism applied longitudinally across the mouth that allows repeated opening and closing of the pouch are known in the art. Elastomeric bags are becoming more desirable due to consumer demand for reusable bags, but these types of bags have different physical properties than existing thermoplastic bags, which requires different sealing mechanisms and considerations.

[0004] While technologies related to sealing mechanisms for existing thermoplastic bags have been developed for at least the past 70 years, the technologies for sealing thermoplastic bags cannot be directly transferred to the requirements of elastomer bags. This is because, in particular, some elastomer bags may be used during cooking and may be exposed to extreme temperatures and pressures, and may also need to cope with various forces acting on the bag walls that are not typically considered in thermoplastic bags.

[0005] While improvements have been made to conventional sealing systems to provide improved sealing, such sealings generally involve complex structures, which can lead to increased complexity when manufacturing and using such systems. Such sealing structures may include multiple pairs of opposing, interlocking closure profiles, which can be difficult to seal and / or cause confusion for the user as it is unclear whether the multiple pairs of interlocking closure profiles are properly sealed. These types of sealings used with thermoplastic bags are impractical and cannot be directly transferred to sealings for reusable bags with elastomers. Therefore, it is desirable to provide a re-closable closure mechanism for elastomer pouches that includes a simpler sealing structure, can provide an airtight or waterproof seal, and can be used in more stringent applications.

[0006] Furthermore, conventional bags formed from elastomer materials typically lack additional structures that provide enhanced auditory / tactile feedback when opening / closing the bag. In particular, a drawback remains: users may not be able to assure that the zipper is properly closed to seal the bag. While some conventional containers include sealing structures that enhance sealing quality, such designs do not provide users with easily identifiable auditory / tactile cues indicating whether the bag is open or closed. For example, a zipper may produce an audible sound, but this sound may not be readily heard or recognized by the user as indicating that the bag is closed.

[0007] Therefore, there is a need for reusable pouches or containers that address or mitigate one or more of the problems associated with existing containers and pouches. [Overview of the project]

[0008] This disclosure provides an enhanced closure system made solely from elastomer, including a sealing structure that provides the user with distinctive auditory / tactile feedback when opening and closing a container or pouch. In some embodiments, a container or pouch formed entirely of elastomer comprises a body including a front wall and a rear wall connected to the front wall along its periphery. The container or pouch further comprises a closure system including a front side having a male closure profile containing a male closure element and a rear side having a female closure profile. The female closure profile includes a female closure element and defines a cavity. A centerline extends through the cavity such that the female closure element is symmetrical with respect to the centerline. The male closure element includes a head portion having a continuous primary profile and a discontinuous secondary profile extending from the primary profile. The height of the secondary profile, measured perpendicular to the centerline, is greater than the height of the primary profile, measured perpendicular to the centerline.

[0009] According to some embodiments, a container or pouch formed entirely of elastomer comprises a body including a front wall and a rear wall connected to the front wall along its periphery. The container or pouch further comprises a closure system including a front side having a male closure profile including a male closure element and a rear side having a female closure profile. The female closure profile includes a female closure element and defines a cavity. A centerline extends through the cavity such that the female closure element is symmetrical with respect to the centerline. The male closure element includes a head portion having a continuous primary profile and a discontinuous secondary profile extending from the primary profile. The height of the secondary profile, measured perpendicular to the centerline, is greater than the height of the cavity, measured perpendicular to the centerline.

[0010] According to some embodiments, a container or pouch formed entirely of elastomer comprises a body including a front wall and a rear wall connected to the front wall along its periphery. The container or pouch further comprises a closure system including a front side having a male closure profile containing a male closure element and a rear side having a female closure profile. The female closure profile includes a female closure element and defines a cavity and an opening. A longitudinal surface extends through the periphery, and a centerline extends through the cavity such that the female closure element is symmetrical with respect to the centerline. The male closure element includes a head portion having a continuous primary profile defining a thin region of the male closure element and a discontinuous secondary profile extending from the primary profile and defining an oversized region of the male closure element. The length of a single thin region of a male closure element measured in a direction parallel to the longitudinal plane is 1% to 10% of the length of the male closure element measured in a direction parallel to the longitudinal plane, and the length of a single oversized region of a male closure element measured in a direction parallel to the longitudinal plane is 1% to 10% of the length of the male closure element measured in a direction parallel to the longitudinal plane. [Brief explanation of the drawing]

[0011] [Figure 1] This is an isometric view of a pouch having a closure system as disclosed herein, shown in an open configuration. [Figure 2] Figure 1 is a front elevation view of the porch. [Figure 3] This is a lateral cross-sectional view of the pouch obtained along line 3-3 in Figure 2. [Figure 4] This is a partial isometric cross-sectional view of the pouch obtained along line 4-4 in Figure 3. [Figure 5A] Figures 1-4 show detailed diagrams of the male closure profiles of the closure systems according to some aspects of this disclosure. [Figure 5B] Figures 1-4 show detailed diagrams of the female closure profiles of the closure systems according to some aspects of this disclosure. [Figure 5C] Figures 5A and 5B show detailed diagrams of the male and female closure profiles in a closed configuration. [Figure 5D] Figures 5A to 5C are top views of the molds used to manufacture the male and female closure profiles. [Figure 6A] Figures 1-4 show detailed views of other male closure profiles of the closure system according to some aspects of this disclosure. [Figure 6B] Figures 1-4 show detailed views of other female closure profiles of the closure system according to some aspects of this disclosure. [Figure 6C] Figures 6A and 6B show detailed diagrams of the male and female closure profiles in a closed configuration. [Figure 6D] Figures 6A-6C are top views of the molds used to manufacture the male and female closure profiles. [Figure 7A] Figures 1-4 show further details of the male closure profiles of the closure system according to some aspects of this disclosure. [Figure 7B] Figures 1-4 show further details of female closure profiles of the closure system according to some aspects of this disclosure. [Figure 7C] Figures 7A and 7B show detailed diagrams of the male and female closure profiles in a closed configuration. [Figure 7D] Figures 7A-7C are top views of the molds used to manufacture the male and female closure profiles. [Figure 8A] Figures 1-4 show further details of the male closure profiles of the closure system according to some aspects of this disclosure. [Figure 8B] Figures 1-4 show further details of female closure profiles of the closure system according to some aspects of this disclosure. [Figure 8C] Figures 8A and 8B show detailed diagrams of the male and female closure profiles in a closed configuration. [Figure 8D] Top view of a mold used to manufacture the male and female closure profiles of FIGS. 8A - 8C. [Figure 9A] Detailed view of another male closure profile of the closure system of FIGS. 1 - 4, according to some aspects of the present disclosure. [Figure 9B] Detailed view of another female closure profile of the closure system of FIGS. 1 - 4, according to some aspects of the present disclosure. [Figure 9C] Detailed view of the male and female closure profiles of FIGS. 9A and 9B in a closed configuration. [Figure 9D] Top view of a mold used to manufacture the male and female closure profiles of FIGS. 9A - 9C. [Figure 10A] Detailed view of yet another male closure profile of the closure system of FIGS. 1 - 4, according to some aspects of the present disclosure. [Figure 10B] Detailed view of yet another female closure profile of the closure system of FIGS. 1 - 4, according to some aspects of the present disclosure. [Figure 10C] Detailed view of the male and female closure profiles of FIGS. 10A, 10B in a closed configuration. [Figure 10D] Top view of a mold used to manufacture the male and female closure profiles of FIGS. 10A - 10C.

[0012] [[ID=ISI]]Other aspects and advantages of the present disclosure will become apparent upon consideration of the following detailed description. Here, like structures are given like reference numerals.

Mode for Carrying Out the Invention

[0013] This disclosure relates to pouches and containers with improved closure systems, more particularly to closure systems that produce a desirable sound for the user when closed. While the systems disclosed herein may be embodied in many different forms, some specific embodiments are discussed herein with the understanding that the embodiments described herein should be considered only as illustrative of the principles described herein, and this disclosure is not intended to be limited to the illustrated embodiments. Throughout this disclosure, the terms “about” and “approximate” mean plus or minus 5% of the number or value preceding each term. As used herein, the term “elastomer” refers to a material that can be repeatedly stretched at room temperature and, upon release immediately after stress, returns with force to its approximate original length. Furthermore, the phrase “leak-proof seal” means a seal that withstands leakage of liquids and solids from a container during storage and transport without the assistance of an external structure to maintain the seal. Finally, the term “closure element” is defined herein to mean one part of the closure. For example, on a zipper closure, the closure element is one profile of the zipper or the other, such as a rib profile or a groove profile.

[0014] This disclosure relates to storage pouches and containers, including improved zipper designs. The pouch and zipper designs can take various forms, representative examples of which are shown in Figures 1 to 10D. While the embodiments disclosed herein are formed entirely from an elastomer such as silicone, it is conceivable that multiple components could be joined or formed together to realize the embodiments disclosed herein. Various manufacturing methods can be used, but the pouches and containers disclosed herein can be manufactured using a liquid injection molding (LIM) process, where the entire pouch or container is molded as a single unit and made of silicone. Alternative manufacturing methods such as compression molding, transfer molding, extrusion, blow molding, sheet extrusion, and thermoforming can be employed.

[0015] The closure element of this technology includes a plurality of intermittent or alternating finger-like projections of different shapes along one or both of the profiles, but it is preferable to have intermittent or alternating segments of two different profiles, as in the embodiment shown herein. The segments of different shapes may be equal or unequal in length.

[0016] Next, referring to Figures 1 to 4, a resealable pouch 40 including a body 42 and a closure system 44 is shown, as disclosed herein. The pouch 40 may be made entirely of one or more elastomer materials, and may include, in particular, one or more unsaturated rubber, saturated rubber, or thermoplastic elastomer (TPE). When the pouch 40 is molded as a single component, in contrast to many conventional plastic zippered bags, no additional sealing along the various edges of the pouch 40 is required, so that leakage paths along the edges of the pouch 40 are minimized or eliminated. By forming the pouch 40 as a single component, the structural integrity of the pouch 40 is enhanced. Since the entire pouch 40 is made of elastomer, the pouch 40 is considered a long-life container.

[0017] Referring to Figures 1 and 2, the body 42 is defined by a first or front wall 46 having width and a second or rear wall 48, which are joined together along a seam or perimeter 50 extending along the first or left side 52, second or bottom side 54, and third or right side 56 of the body 42. Although the body 42 in this embodiment is a single piece, in some embodiments the front wall 46 and the rear wall 48 may be joined, for example, by folding along the perimeter 50, heat sealing, and / or adhesive. A container 58 is defined between the front wall 46 and the rear wall 48 of the body 42, and this container is configured to hold food or other materials placed in the container 58 for storage therein. Referring to the cross-sectional view in Figure 4, which shows the pouch 40 in an open configuration, the upper portions 60 of the front wall 46 and the rear wall 48 are straight as a whole, but the lower portions 62 of the front wall 46 and the rear wall 48 are curved and join to each other at the periphery 50 along the bottom side 54 of the main body 42. However, in alternative embodiments, the upper portion 60 does not need to be straight, nor does the lower portion 62 need to be curved. It should be understood that, due to the use of elastomers forming the front wall 46 and the rear wall 48, gravity will deform or curve the walls 46, 48 when the pouch 40 is placed on a resting surface (not shown).

[0018] Referring further to Figure 1, the re-closable pouch 40 further includes a closure system 44 extending upward from the main body 42. The closure system 44 includes a first or front side 64, a second or rear side 66, a first or left side tab 68, and a second or right side tab 70. The front side 64 includes a front sealing strip 72 extending longitudinally across the pouch 40, and the rear side 66 includes a rear sealing strip 74 also extending longitudinally across the pouch 40. The front sealing strip 72 and the rear sealing strip 74 define a closure mechanism, which includes a first or male closure profile 76 (see Figure 3) defined by the front sealing strip 72 and a second or female closure profile 78 defined by the rear sealing strip 74. The front sealing strip 72 and the rear sealing strip 74 each include a male closure profile 76 and a female closure profile 78, respectively, and further include various base regions on the front 64 and rear 66 of the closure system 44, respectively, as will be described later. Furthermore, a handle or lip 80 is positioned on the rear 66, which defines a substantially trapezoidal extension extending upward from the rear sealing strip 74. The lip 80 includes a number of longitudinal ribs 82 positioned horizontally beside it so that a user can grasp the lip 80 to open the pouch 40 (see Figure 2). The ribs 82 may be in the form of projections extending outward from the lip 80, or grooves extending into or through the lip 80.

[0019] Referring next to Figure 3, the male closure profile 76 is positioned on the front side 64 of the closure system 44, and the female closure profile 78 is positioned on the rear side 66 of the closure system 44, so that the male closure profile 76 and the female closure profile 78 extend along the opposing portions of the inside 84 of the closure system 44. As shown, the male closure profile 76 includes a male closure element 86, and the female closure profile 78 includes a female closure element 88 which is integrated with the front side 64 and the rear side 66 of the closure system 44, respectively. The male closure element 86 and the female closure element 88 extend inward along a length 90 (see Figure 2) defined between the right tab 70 and the left tab 68. The male closure element 86 and the female closure element 88 are aligned with each other. Specific embodiments of the male closure profile 76 and the female closure profile 78 are discussed in more detail with respect to the embodiments shown in Figures 5A to 10D.

[0020] Referring further to Figure 3, the pouch 40 defines a vertical axis, i.e., a plane 92, extending through the periphery 50, and a horizontal axis, i.e., a plane 94, perpendicular to the vertical plane 92. Various dimensions of the pouch 40 are shown, including the length 90 of the closure system 44, the height 96 of the front side 64 of the closure system 44, the height 98 of the rear side 66 of the closure system 44, the height 100 of the body 42, and the height 102 of the pouch 40, all measured perpendicular to the vertical plane 92 (see Figure 2). Each of the heights 96, 98, 100, and 102 is measured along a line parallel to the vertical plane 92. The width 104 of the closure system 44 and the width 106 of the body 42 are shown, defining the widest measurements of the closure system 44 and the body 42, respectively. Widths 104 and 106 are illustrated at the widest point of the porch 40 and thus define the widest width of the porch 40 in its open form; however, the term “width” should be interpreted as the width taken at any point along each element of the porch 40.

[0021] The closure systems 44 of the main body 42 and pouch 40 have various heights of 96, 98, 100, 102 and widths of 104, 106, the differences relating to the specific capacities of the profiles of the container 58 and pouch 40, and the desired amount of food or other material that can be placed in the container 58. However, the various dimensional relationships between the closure systems 44 of the main body 42 and pouch 40 may vary within the following ranges. Furthermore, although the pouch 40 is shown without a flat bottom wall, the pouch 40 may be another type of container that includes an additional wall, such as a bottom wall, which would allow the pouch 40 to rest on a resting surface without any additional components to support it.

[0022] Referring still to Figure 3, the height 96 can be about 50% to 95%, 60% to 85%, or 70% to 80% of the height 98 of the rear side 66 of the closure system 44. In some embodiments, the height 96 of the front side 64 of the closure system 44 can be about 5% to 30%, 10% to 25%, or 10% to 15% of the height 100 of the main body 42. The height 96 of the front side 64 can be about 2% to 30%, 5% to 25%, or 5% to 15% of the height 102 of the pouch 40. The width 104 of the closure system 44 may be about 100% to 140%, 110% to 130%, or 115% to 120% of the width 106 of the main body 42.

[0023] Next, referring to Figure 5A, a detail view of a first example of the male closure profile 76 of Figures 1 to 4 is shown. The male closure profile 76 includes a male closure element 86 and a base region 110. The male closure element 86 has a stem 114 that extends outward from the base region 110 and joins a head portion 116. The head portion 116 includes alternating segments of different shapes or profiles, preferably alternating segments of two different shapes of profiles, such as an arrow-shaped or primary profile 118 and an oversized or secondary profile 120. The male closure element 86 is symmetrical with respect to a longitudinal center plane or centerline 122, but alternative asymmetrical embodiments are possible, as will be further discussed herein. In some embodiments, the secondary profile 120 of the head portion 116 defines individual cross-finger-like projections along the male closure strip 108, and the secondary profile 120 is molded or extends over the primary profile 118, so that the primary profile 118 and the secondary profile 120 are molded together as a single component, forming the trunk 114 and the base region 110. The male closure element 86 defines a height 124 and a thickness 126, the primary profile 118 of the male closure element 86 defines a height 128 and a thickness 130, the secondary profile 120 of the male closure element 86 defines a height 132 and a thickness 134, the trunk 114 defines a height 136 and a thickness 138, and the base region 110 defines a thickness 140.

[0024] The primary profile 118 further defines the triangularly arranged outer corners 142 and inner corners 144, and the primary profile 118 and the stem 114 are molded as integral components with the base region 110. In some embodiments, the primary profile 118 extends continuously along the male closure strip 108 (see Figure 4). The thin region 146 (see Figure 4) of the male closure strip 108 is defined as a separate region that does not include the cross-fingered projections defined by the secondary profile 120, i.e., the head portion 116 is defined solely by the primary profile 118.

[0025] In some embodiments, the secondary profile 120 of the head portion 116 defines a rectangular profile, but it is considered that other configurations or shapes may be used for the secondary profile 120, as will be discussed with respect to Figures 6A to 10D. In the embodiment shown in Figure 5A, the secondary profile 120 is defined by the outer surface 148, the side surface 152, and the inner surface 150 (see Figures 7A, 8A, 9A, and 10A), such that the side surface 152 connects the outer surface 148 to the inner surface 150. The outer surface 148 is defined by a first vertical line or plane 154 extending perpendicular to the centerline 122 and through the outermost point 156 along the outer corner 142 of the primary profile 118. The outer surface 148 extends between the side surfaces 152 along the vertical plane 154, and the height 132 of the secondary profile 120 is measured perpendicular to the centerline 122 and along the outer surface 148. The thickness 134 of the secondary profile 120 is measured in a direction parallel to the center line 122 and inward from the outer surface 148 to the inner surface 150, the inner surface 150 being defined by a second vertical surface 158 that is parallel to the first vertical surface 154 and extends through point 160 in the primary profile 118. The side surface 152 extends between the outer surface 148 and the inner surface 150. The secondary profile 120 is formed on or extends from the primary profile 118 to define the oversize region 162 of the male closure element 86. Thus, the inner surface 150 is completely defined by the primary profile 118, such that only the side surface 152 and the outer surface 148 are visible.

[0026] Referring further to Figure 5A, the height 128 of the primary profile 118 is greater than the height 136 of the trunk 114. In some embodiments, the thickness 140 of the base region 110 is about 10% to about 60%, about 20% to about 50%, at least about 10%, at least about 20%, at least about 30%, at least about 40%, or at least about 50% of the thickness 126 of the male closure element 86. In some embodiments, the height of the secondary profile 120 is about 50% to about 300%, about 100% to about 200%, about 125% to about 175%, about 175% to about 200%, about 50% to about 100%, about 50% to about 60%, about 60% to about 70%, or about 70% to about 80% of the height 128 of the primary profile 118. In some embodiments, the thickness 134 of the secondary profile 120 is about 25% to about 125%, about 25% to about 75%, about 40% to about 60%, about 60% to about 70%, about 80% to about 90%, or about 90% to about 100% of the thickness 130 of the primary profile 118.

[0027] Next, referring to Figure 5D, a top view of the mold 164 used to form the closure mechanism is shown. To provide desired auditory / tactile feedback during use of the closure mechanism, the oversized regions 162 are spaced apart from each other along the length of the portion of the mold 164 associated with forming the male closure element 86. A single thin region 146 defines a length 166 measured parallel to the longitudinal plane 92 (see Figure 5A), and a single oversized region 162 defines a length 168 measured parallel to the longitudinal plane 92 (see Figure 5A). In some embodiments, the length 168 is about 25% to about 400%, about 50% to about 200%, about 75% to about 150%, about 90% to about 110%, or about 100% of the length 166 of the single thin region 146. In some embodiments, the length 168 of a single oversized region 162 and / or the length 166 of a single thin region 146 are, respectively, about 1% to about 10%, about 1% to about 6%, about 2% to about 5%, about 3% to about 4%, or about 3% of the length 90 of the male closure element 86. In other words, the single thin region 146 and the single oversized region 162 define a total length of about 1% to about 20%, about 1% to about 10%, about 2% to about 8%, about 3% to about 6%, about 4% to about 6%, or about 5% of the length 90 of the male closure element 86.

[0028] The total length of the oversized region 162 combined with the total length of the thin region 146 is equal to the length 90 of the male closure element 86. Preferably, the total number of oversized regions 162 is about 50% to 150%, 75% to 125%, 90% to 110%, 90% to 100%, 100% to 110%, or 100% of the total number of thin regions 146. In some embodiments, the thin region 146 defines uniform spacing between the oversized regions 162, such that the male closure element 86 is characterized by an alternating arrangement of thin regions 146 and oversized regions 162. Alternatively, the oversized regions 162 may be spaced apart from each other by the thin region 146 at irregular intervals.

[0029] Next, referring to Figure 5B, a detailed view of the female closure profile 78 of the closure system 44 shown in Figures 1 to 4 is provided. The female closure profile 78 includes a base portion 170, an upper arm 172, and a lower arm 174. The upper arm 172 and the lower arm 174 are spaced apart from each other and extend outward relative to the base portion 170. The upper arm 172 has an upper hook portion 176 at its free end, and the lower arm 174 has a lower hook portion 178 at its free end. The female closure profile 78 further defines a cavity 180 configured to receive a male closure element 86, and a trapezoidal cross-section between the upper arm 172, the lower arm 174, and the rear cavity surface 182. The rear cavity surface 182 is connected to the upper arm 172 and the lower arm 174, defined by a vertical line or plane 184, and defined by the upper arm 172 and the lower arm 174, more specifically, the distal ends 186 of the upper hook portion 176 and the lower hook portion 178 define an opening 188 in the cavity 180 into which the head of the male closure element 86 is inserted to seal the pouch 40. The female closure element 88 is symmetric with respect to the center line 122 such that the center line 122 extends through the cavity 180 and the opening 188, although alternative asymmetric embodiments are possible. The upper arm 172 and the lower arm 174 are configured to flex inward or outward when the male closure element 86 is inserted into or removed from the cavity 180. In some embodiments, when the male closure element 86 is inserted into or removed from the cavity 180, the upper hook portion 176 and the lower hook portion 178 are configured to deflect inward or outward independently of the upper arm 172 and the lower arm 174.

[0030] The female closure element 88 further defines a height of 190 and a thickness of 192, the cavity 180 defines a height of 194 and a thickness of 196, and the opening 188 defines a height of 198 and a thickness of 200. In some embodiments, the thickness 196 is about 40% to about 80%, about 50% to about 70%, about 55% to about 60%, at least about 50%, at least about 55%, or at least about 60% of the thickness 192 of the female closure element 88. The thickness 200 of the opening 188 is about 10% to about 50%, about 20% to about 40%, about 30% to about 25%, or at least about 30% of the thickness 196 of the cavity 180. The height 194 of the cavity 180 is approximately 50% to 70%, 55% to 65%, or at least 60% of the height 190 of the female closure element 88. The height 198 of the opening 188 is approximately 10% to 50%, 20% to 40%, 30% to 25%, or at least 30% of the height 194 of the cavity 180.

[0031] The cavity 180 is defined at least partially by inner surfaces 202a and 202b that define the inner surfaces 202a and 202b of the upper hook portion 176 and the lower hook portion 178, respectively. The inner surfaces 202a and 202b may also be defined as sealing surfaces, so that these surfaces align with a portion of the male closure element 86 to enhance the seal. The cavity 180 is also defined at least partially by outer surfaces 204a and 204b that extend along the upper arm 172 and the lower arm 174. The inner surfaces 202a and 202b are angled inward from the distal ends 186 of the upper arm 172 and the lower arm 174 toward the plane 184. Finally, the rear cavity surface 182 defines the innermost surface 206 of the cavity 180. In this embodiment, the rear cavity surface 182 extends along the plane 184 and does not follow the profile of the male closure element 86. Although not shown in Figure 5B, it is conceivable that one or more of the inner surfaces 202a, 202b or the outer surfaces 204a, 204b can follow the profile of the male closure element 86 in other embodiments. In this embodiment, surfaces that do not follow the corresponding profile portion can be considered to have different shapes or curvatures that define each surface. That is, they are either not mirror images of each other or have substantially matching profiles.

[0032] Regarding the female closure profile 78, alternative configurations may exist. In some embodiments, more or fewer surfaces may be included. For example, the cavity 180 may be defined by inner surfaces 202a, 202b and substantially circular outer surfaces (not shown) extending from the outermost points of the inner surfaces 202a, 202b. Thus, the cavity 180 can define various cross-sectional areas and can be of shapes such as square, rectangular, triangular, or hexagonal. In some embodiments, a number of sub-cavities defining the cavity 180 so as to form a number of compartments that accept the male closure element 86 may be defined by various surfaces. In some embodiments, the cavity 180 does not have to be defined by outer surfaces 204a, 204b, and instead may include only outer surfaces (not shown) that can extend from the intersection with the inner surfaces 202a, 202b (i.e., defining circular or semicircular cross-sections).

[0033] Figure 5C is a detailed view of the male closure profile 76 and female closure profile 78 of Figures 5A and 5B in a closed configuration. The closed configuration is achieved when the male closure profile 76 is inserted into the cavity 180 of the female closure profile 78. Upon initial insertion into the cavity 180, the secondary profile 120 of the male closure element 86 causes the upper arm 172 and lower arm 174 of the female closure element 88 to expand to a greater extent than the primary profile 118, and after the male closure element 86 is fully inserted into the cavity 180, the upper arm 172 and lower arm 174 return to their original shape with a click. In other words, the upper arm 172 and lower arm 174 make an audible snapping or clicking sound when they return to their original shape, and after the secondary profile 120 of the male closure element 86 passes through the opening 188 and enters the cavity 180, it forms a waterproof seal with the male closure element 86. The audible click may have a specific sound level measured in decibels (dB), and the frequency of the audible click is an important factor in determining user preference. For example, the audible click can have a sound level of approximately 0 dB to approximately 80 dB. Furthermore, inserting the head portion 116 into the cavity 180 provides enhanced tactile feedback, characterized in that each of the oversized regions 162 is fully inserted into the cavity 180, since the secondary profile 120 is discontinuous along the length 90 of the male closure element 86. This is particularly advantageous for silicone closure mechanisms, which are typically larger, thicker, and more elastic than zippers for thermoplastic bags.

[0034] Referring further to Figure 5C, the closure system 44 defines a total thickness of 208. In some embodiments, the height 132 of the secondary profile 120 is about 50% to about 100%, about 60% to about 90%, about 70% to about 80%, about 80% to about 90%, at least about 80%, at least about 85%, at least about 90%, or at least about 95% of the height 194 of the cavity 180. In some embodiments, the thickness 134 of the secondary profile 120 is about 75% to about 125%, about 85% to about 115%, about 90% to about 110%, about 95% to about 105%, at least about 80%, at least about 90%, at least about 95%, or at least about 100% of the thickness 200 of the opening 188. Still referring to Figure 5C, the height 136 of the trunk 114 is approximately 50% to 200%, 75% to 150%, 90% to 130%, 100% to 120%, at least 90%, at least 100%, at least 110%, at least 120%, or at least 130% of the height 198 of the opening 188.

[0035] In some embodiments, the height 136 of the stem 114 is about 10% to about 50% of the height 190 of the female closure element 88, or about 20% to about 40% of the height 190 of the female closure element 88, or about 25% to about 35% of the height 190 of the female closure element 88, or less than about 50%, or less than about 40%, or less than about 30%, or less than about 20% of the height 190 of the female closure element 88.

[0036] Through testing, it was determined that having a stem 114 with a height 136 that is at least the same as the height 198 of the opening 188 provides an enhanced seal for the closure system 44. To this end, the opening 188 is preferably smaller than the stem 114. It is preferable that a force of about 3 pounds (lbf) (13 Newtons (N)) to about 10 lbf (45 N) is required to open and close the closure system 44. In some embodiments, a force of about 3 lbf (13 N) to about 20 lbf (90 N), about 5 lbf (22 N) to about 15 lbf (67 N), or about 7 lbf (31 N) to about 12 lbf (53 N) is required to open and close the closure system 44. This feature is achieved by the design of the upper and lower arms 172, 174 of the female closure element 88 and the corners of the male head portion 116. The outer corners 142 of the head portion 116 control the force required for contents to fall out of the pouch or container when in a closed configuration, while the inner corners 144 of the primary profile 118 or the sides 152 of the secondary profile 120 control the force required to open and close the closure system 44.

[0037] Referring again to Figure 5D, the mold 164 includes a male cavity 210 and a female cavity 212. The female cavity 212 includes an upper arm groove 214 and a lower arm groove 216. The male cavity 210 includes oversized grooves 218 spaced apart by portions of thin grooves 220. As previously stated, the male closure profile 76 and the female closure profile 78 are molded integrally with the pouch using a LIM process or another manufacturing process. Although not explicitly shown in Figure 5D, it is conceivable that either end of the male cavity 210 or the female cavity 212 could also be molded to include a curved edge 222 (see, for example, Figures 7D, 8D, 9D, and 10D) to form any particularly desirable shape, such as providing further auditory / tactile feedback when engaging the closure system 44 at either end of the pouch 40. In addition, the oversized grooves 218 are thought to be asymmetrically positioned within the male closure profile 76 with respect to the thin grooves 220 (see Figure 10D). In some embodiments, the oversized grooves 218 are intermittently spaced apart from each other across the thin grooves 220, defining an asymmetrical oversized region pattern.

[0038] Next, referring to Figures 6A to 6D, another example of the closure system 44 is shown in which the female closure element 88 is similar to the female closure element 88 in Figure 6A, but the male closure element 86 differs in that it includes a secondary profile 240 that is larger than the secondary profile 120 shown in Figures 5A to 5D. Next, referring particularly to Figure 6A, the outer surface 148 of the secondary profile 240 is defined by a first vertical line or plane 154 that extends perpendicularly through the centerline 122 and beyond the outermost point of the primary profile 118. In some embodiments, the outermost point of the second profile 240 defined by the first vertical plane 154 extends beyond the outermost point of the first profile 118, thereby spacing the outer corner 142 of the first profile 118 away from the outer surface 148 of the second profile 240. The outer surface 148 extends between the side surfaces 152 along the first vertical surface 154, and the height 132 of the secondary profile 240 is measured perpendicular to the center line 122 and between the side surfaces 152. The thickness 134 of the secondary profile 240 is measured inward from the outer surface 148 to the inner surface 150 in a direction parallel to the center line 122, and the inner surface 150 defined by the second vertical surface 158 extends in a direction parallel to the first vertical surface 154 on the innermost point 242 or plane of the primary profile 118.

[0039] The side surface 152 extends between the outer surface 148 and the inner surface 150. In some embodiments, the side surface 152 is spaced away from the inner corner 144 such that the primary profile 118 is completely surrounded by the secondary profile 240. In some embodiments, the height of the secondary profile 240 is about 100% to about 200%, about 100% to about 150%, about 110% to about 135%, about 115% to about 125%, or about 120% to about 130% of the height 128 of the primary profile 118. Furthermore, the thickness 134 of the secondary profile 120 is about 80% to about 120%, about 90% to about 115%, about 95% to about 105%, at least about 100%, or about 100% of the thickness 130 of the primary profile 118. In this way, the secondary profile 240 completely encloses the primary profile 118, so that the oversized region 162 is completely defined by the secondary profile 240. In some embodiments, the height 132 of the secondary profile 240 is about 175% to about 225%, or about 200%, of the height 132 of the secondary profile 120 shown in Figure 5A. In some embodiments, the thickness 134 of the secondary profile 240 is about 200% to about 220%, or about 210%, of the thickness 134 of the secondary profile 120 shown in Figure 5A.

[0040] Referring next to Figure 6C, the height 132 of the secondary profile 240 is approximately 100% to approximately 200%, approximately 125% to approximately 175%, approximately 140% to approximately 160%, approximately 145% to approximately 155%, at least approximately 125%, at least approximately 140%, or at least approximately 150% of the height 194 of the cavity 180. In some embodiments, the thickness 134 of the secondary profile 240 is approximately 50% to approximately 100%, approximately 60% to approximately 90%, approximately 70% to approximately 80%, approximately 80% to approximately 90%, or at least approximately 75% of the thickness 200 of the opening 188. Still referring to Figure 6C, the height 136 of the trunk 114 is approximately 50% to 200%, 75% to 150%, 90% to 130%, 100% to 120%, at least 90%, at least 100%, at least 110%, at least 120%, or at least 130% of the height 198 of the opening 188.

[0041] Next, referring to Figures 7A to 7D, yet another example of the closure system 44 is shown, where the cavity 180 of the female closure element 88 is similar to the cavity 180 shown in Figure 6A. In addition, the male closure element 86 includes a primary profile 280 that is thicker than the primary profile 118 and a secondary profile 340 that is thinner than the secondary profile 240 as illustrated in Figures 5A to 6D. Referring particularly to Figure 7A, the outer surface 148 is defined by a first vertical line or plane 154 that passes through the center line 122 and extends perpendicularly through a point on the primary profile 280, such that the outer corner 142 of the primary profile 280 extends beyond the outer surface 148. The outer surface 148 extends between the side surfaces 152 along the vertical plane, and the height 132 of the secondary profile 340 is measured perpendicular to the center line 122 and between the side surfaces 152. The thickness 134 of the secondary profile 340 is measured in a direction parallel to the center line 122 and inward from the outer surface 148 to the inner surface 150, and is defined by the innermost point 242 of the primary profile 280 or a second vertical surface 158 extending in a direction parallel to the first vertical surface 154 in a plane.

[0042] The side surface 152 extends between the outer surface 148 and the inner surface 150. In some embodiments, the side surface 152 is positioned outwardly spaced from the inner corner 144. In some embodiments, the height 132 of the secondary profile 340 is about 100% to about 200%, about 100% to about 200%, about 140% to about 160%, about 150% to about 170%, or about 155% to about 165% of the height 128 of the primary profile 280. Furthermore, the thickness 134 of the secondary profile 340 is about 50% to about 100%, about 60% to about 80%, about 70% to about 80%, at least about 65%, or at least about 75% of the thickness 130 of the primary profile 280. In some embodiments, the thickness 130 of the primary profile 280 is about 125% to about 175%, or about 150%, of the thickness 130 of the primary profile 118 shown in Figure 5A. In some embodiments, the height 132 of the secondary profile 340 is about 75% to about 95%, or about 85%, of the height 132 of the secondary profile 240 shown in Figure 6A. In some embodiments, the thickness 134 of the secondary profile 340 is about 70% to about 90%, or about 80%, of the thickness 134 of the secondary profile 240 shown in Figure 6A.

[0043] Referring next to Figure 7C, the height 128 of the primary profile 280 is about 90% to about 110% of the height 194 of the cavity 180, and the thickness 130 of the primary profile 280 is about 100% of the thickness 196 of the cavity 180. In some embodiments, the height 132 of the secondary profile 340 is about 100% to about 200%, about 100% to about 200%, about 140% to about 160%, about 150% to about 170%, or about 155% to about 165% of the height 194 of the cavity 180. In some embodiments, the thickness 134 of the secondary profile 340 is about 50% to about 100%, about 60% to about 80%, about 70% to about 80%, at least about 65%, or at least about 75% of the thickness 196 of the cavity 180. Still referring to Figure 7C, the height 136 of the trunk 114 is approximately 150% to 250%, 175% to 225%, 190% to 120%, at least 180%, or at least 200% of the height 198 of the opening 188.

[0044] Next, referring to Figures 8A to 8D, yet another example of the closure system 44 is shown, in which the male closure element 86 is similar to the male closure element 86 in Figure 7C, but the female closure element 88 includes a cavity 180 that is higher than the profile shown in Figures 5B, 6B, and 7B. Specifically referring to Figure 8B, the thickness 196 of the cavity 180 is about 40% to about 60%, about 45% to about 55%, or at least about 50% of the thickness 192 of the female closure element 88. The thickness 200 of the opening 188 is about 40% to about 60%, about 45% to about 55%, or at least about 50% of the thickness 196 of the cavity 180. The height 194 of the cavity 180 is about 50% to about 100%, about 70% to about 80%, or at least about 75% of the height 190 of the female closure element 88. The height 198 of the opening 188 is about 40% to about 60%, about 45% to about 50%, or at least about 45% of the height 194 of the cavity 180. In some embodiments, the height 194 of the cavity 180 is about 125% to about 175%, or about 150%, of the height 194 of the cavity 180 shown in Figure 7B. In some embodiments, the thickness 196 of the cavity 180 is about 90% to about 110%, or about 100%, of the thickness 196 of the cavity 180 shown in Figure 7B.

[0045] Referring next to Figure 8C, the height 128 of the primary profile 280 is about 50% to about 75% of the height 194 of the cavity 180, and the thickness 130 of the primary profile 280 is about 100% of the thickness 196 of the cavity 180. In some embodiments, the height 132 of the secondary profile 340 is about 75% to about 125%, about 90% to about 110%, about 95% to about 105%, or at least about 100% of the height 194 of the cavity 180. In some embodiments, the thickness 134 of the secondary profile 340 is about 50% to about 100%, about 60% to about 80%, about 70% to about 80%, at least about 65%, or at least about 75% of the thickness 196 of the cavity 180. Still referring to Figure 8C, the height 136 of the trunk 114 is approximately 50% to 100%, 60% to 80%, 70% to 80%, and at least 75% or 75% of the height 198 of the opening 188.

[0046] Next, referring to Figures 9A to 9D, another example of the closure system 44 is shown, where the female closure element 88 is similar to the female closure element 88 in Figure 8B, but the male closure element 86 includes a secondary profile 440 which is arrow-shaped, rather than the rectangular profile shown in Figures 5A, 6A, 7A, and 8A. Referring particularly to Figure 9A, the secondary profile 440 defines the outer surface 148, the curved side 442, and the inner surface 150 such that the curved side 442 connects the outer surface 148 to the inner surface 150. The outer surface 148 is defined by a first vertical line or plane 154 that passes through the center line 122 and extends perpendicularly through a point on the primary profile 280. The outer corner 142 of the primary profile 280 extends outward beyond the outer surface 148 of the secondary profile 440. The outer surface 148 extends between the curved side surfaces 442 along the vertical surface 154. In some embodiments, the curved side surfaces 442 extend along the primary profile 280, or the curved side surfaces do not extend directly along the primary profile 280 but instead extend beyond the primary profile 280. The curved side surfaces 442 extend further past the inner corner 144, intersecting the inner surface 150 to define an oversized inner corner 444 of the secondary profile 440. In some embodiments, the oversized inner corner 444 is trimmed to define a corner side surface 152 that joins the inner surface 150 and the curved side surface 442.

[0047] Referring particularly to Figure 9A, the thickness 134 of the secondary profile 440 is measured parallel to the center line 122 and inward from the outer surface 148 to the inner surface 150, which is defined by a second vertical surface 158 extending parallel to the first vertical surface 154 at the innermost point or plane of the primary profile 280. The curved side surface 442 extends between the outer surface 148 and the inner surface 150. The height 132 of the secondary profile 440 is measured perpendicular to the center line 122 and between the oversized inner corners 444 along the inner surface 150. In some embodiments, the height of the secondary profile 440 is about 100% to about 200%, about 125% to about 175%, about 145% to about 155%, at least about 150%, or about 150% of the height 128 of the primary profile 280. Furthermore, the thickness 134 of the secondary profile 440 is approximately 50% to 100%, 60% to 80%, 60% to 70%, or at least 65% of the thickness 130 of the primary profile 280. In this way, the secondary profile 440 completely surrounds the primary profile 280, so that the oversize region 162 is completely defined by the secondary profile 440. In some embodiments, the height 132 of the secondary profile 440 is approximately 90% to 110%, or about 100%, of the height 132 of the secondary profile 340 shown in Figure 7A.

[0048] Next, referring to Figure 9C, in some embodiments, the height 132 of the secondary profile 440 is 75% to about 125%, about 90% to about 110%, about 95% to about 105%, or at least about 100% of the height 194 of the cavity 180. In some embodiments, the thickness 134 of the secondary profile 440 is about 50% to about 100%, about 60% to about 80%, about 60% to about 70%, or at least about 65% of the thickness 196 of the cavity 180. Still referring to Figure 9C, the height 136 of the trunk 114 is about 50% to about 100%, about 60% to about 80%, about 70% to about 80%, at least about 75%, or about 75% of the height 198 of the opening 188.

[0049] Next, referring to Figures 10A-10D, yet another example of the closure system 44 is shown, where the male closure element 86 includes a tapered stem 114 rather than a stem 114 of uniform width, as shown in Figures 5A, 6A, 7A, 8A, and 9A. In addition, the female closure element 88 includes a cavity 180 defining a cross-section smaller than the profile shown in Figure 9B. Specifically referring to Figure 10A, the stem 114 is tapered from the base region 110 toward the head portion 116 such that the stem 114 shortens toward the head portion 116. The height 136 of the stem 114 measured along the second vertical plane 158 is about 50% to about 100%, about 60% to about 80%, about 70% to about 80%, at least about 75%, or about 75% of the height 198 of the opening 188.

[0050] Next, referring to Figure 10B, the upper arm 172 and lower arm 174 of the female closure element 88 define a greater degree of curvature at their distal ends 186. In addition, the inner surfaces 202a and 202b of the upper arm 172 and lower arm 174 extend substantially more planarly, i.e., substantially parallel to the centerline 122, than the inner surfaces 202a and 202b of the upper arm 172 and 174 shown in Figures 5B, 6B, 7B, 8B, and 9B. Furthermore, the thickness 196 of the cavity 180 is about 40% to about 60%, about 45% to about 55%, or at least about 45%, of the thickness 192 of the female closure element 88. The thickness 200 of the opening 188 is about 30% to about 50%, about 40% to about 45%, or at least about 40%, of the thickness 196 of the cavity 180. The height 194 of the cavity 180 is about 50% to about 100%, about 70% to about 80%, or at least about 75% of the height 190 of the female closure element 88. The height 198 of the opening 188 is about 40% to about 60%, about 45% to about 50%, or at least about 45% of the height 194 of the cavity 180. In some embodiments, the height 194 of the cavity 180 is about 75% to about 100%, or about 85%, of the height 194 of the cavity 180 shown in Figure 8B. In some embodiments, the thickness 196 of the cavity 180 is about 70% to about 90%, or about 85%, of the thickness 196 of the cavity 180 shown in Figure 8B.

[0051] Referring next to Figure 10C, the height 128 of the primary profile 280 is about 50% to about 75% of the height 194 of the cavity 180, and the thickness 130 of the primary profile 280 is about 100% of the thickness 196 of the cavity 180. In some embodiments, the height 132 of the secondary profile 440 is about 75% to about 125%, about 90% to about 110%, about 95% to about 105%, or at least about 95% of the height 194 of the cavity 180. In some embodiments, the thickness 134 of the secondary profile 440 is about 50% to about 100%, about 60% to about 80%, about 70% to about 80%, at least about 65%, or at least about 75% of the thickness 196 of the cavity 180.

[0052] The aforementioned example provides an enhanced silicone sealing structure, including a male closure profile 76 having subsequently positioned intermittent cross-finger-like projections that provide distinctive auditory / tactile feedback during use of the closure system 44. Specifically, the male closure profile 76 includes oversized regions 162 of the head portion 116 molded on continuous primary profiles 118, 280, the oversized regions 162 being spaced apart from each other to define a discontinuous and enhanced sealing profile more desirable for the user. Furthermore, as shown in Figures 5C, 6C, 7C, 8C, 9C, and 10C, a functional benefit is achieved in which, when the male closure element 86 is inserted into the female closure element 88, a bending force is generated that flexes and releases the arms 172, 174 of the female closure element 88. The male closure element 86 is fully inserted into the cavity 180 female closure profile 78, thereby causing the arms 172 and 174 to return to their original shape with a click, engaging with both the oversized region 162 and the continuous thin region 146, after which the flex is released. During the closure of the pouch 40, the flex caused by the oversized region 162 and the snapping sound produced by the arms 172 and 174 of the female closure element 88 returning to their original shape provide the user with direct audible and tactile feedback, indicating which part of the pouch 40 has closed and formed a fluid seal.

[0053] This is particularly advantageous in the case of pouches made from silicone or another similar elastomer and formed as a single, integrated component. Specifically, elastomer pouches such as those described herein are formed by a completely different process than conventionally used thermoplastic pouches and therefore face substantially different design challenges. For example, the closure mechanisms of elastomer pouches are typically much larger, thicker, and more elastic than those used in conventional thermoplastic pouches. Therefore, traditionally used techniques such as post-manufacturing deformation are not effective when manufacturing elastomer closure mechanisms with enhanced auditory / tactile feedback properties. LIM offers several advantages over post-manufacturing deformation techniques traditionally used in the manufacture of thermoplastic bags. In particular, LIM allows for the precise molding of the elastomer closure mechanism profile while accommodating its large size. In addition, manufacturing LIM simplifies the manufacturing process because all components of the elastomer bag are formed together in a single step, including an improved profile of the male closure element 86 that provides enhanced auditory / tactile feedback.

[0054] Therefore, the subject technology offers the further advantage of being able to manufacture precise closure profiles and enhance auditory / tactile feedback. Furthermore, since the male closure element 86 provides fluid-tight sealing and distinctive auditory / tactile feedback, it is a significant improvement that it is designed to include a continuous primary profile and an oversized secondary profile formed on the primary profile. The continuous profile maintains fluid-tight sealing along the length of the closure element, provides distinctive tactile / auditory feedback, and increases the retaining force of the female closure element on the male closure element. Thus, these features, alone or in combination, achieve an improved closure system that provides useful auditory / tactile feedback to the user and provides enhanced sealing.

[0055] Furthermore, as those skilled in the art will understand, the subject art is applicable to any type of bag, pouch, package, and various other storage containers, such as snack, sandwich, quart, and gallon-sized bags. The art is also applicable to bags having double zippers, multiple zippers, or other types of closure mechanisms. In addition, it is envisioned that the subject art disclosed herein can be applied to a number of different closure systems, such as those disclosed in U.S. Patent No. 9,371,153 and / or U.S. Patent No. 2022 / 0402658, to enhance aspects of their functionality, and these disclosures are incorporated herein by reference as a whole. [Industrial applicability]

[0056] The closure systems described herein include sealing systems that advantageously provide reusable containers or pouches and have enhanced sealing capabilities while being resealable and openable for the end user.

[0057] In light of the foregoing description, numerous modifications will be apparent to those skilled in the art. Therefore, this description should be interpreted merely as illustrative and is presented for the purpose of enabling disclosure and use by those skilled in the art. Exclusive rights to all modifications within the scope of the application are reserved. All patents and publications are incorporated by reference. [Cross-reference of related applications]

[0058] This application claims priority to U.S. Patent Application No. 18 / 134,450, “Closure System for Pouch or Container,” filed on 13 April 2023, the entirety of which is incorporated herein by reference.

Claims

1. A container or pouch formed entirely of elastomer, Front wall and, A rear wall connected to the front wall along its periphery, The main unit, including, A front section having a male closure profile including a male closure element, A rear side having a female closure profile that includes a female closure element and defines a cavity, A closure system including, Equipped with, The female closure element is symmetrical with respect to the center line, the center line extends through the cavity, The male closure element includes a head portion having a continuous primary profile and a discontinuous secondary profile extending from the primary profile. A container or pouch in which the height of the secondary profile measured perpendicular to the center line is greater than the height of the primary profile measured perpendicular to the center line.

2. The secondary profile is defined by an outer surface that is defined by a first vertical plane extending in a direction perpendicular to the center line, An inner surface defined by a second vertical surface parallel to the first vertical surface, The container or pouch according to claim 1, further comprising a side surface extending between the outer surface and the inner surface.

3. The female closure element further includes a base portion, an upper arm extending outward from the base portion, and a lower arm extending outward relative to the base portion. The container or pouch according to claim 1, wherein the opening of the female closure element into the cavity is defined between the upper arm and the lower arm.

4. The container or pouch according to claim 3, wherein the upper arm has an upper hook portion defined at its distal free end, the lower arm has a lower hook portion defined at its distal free end, and the opening is further defined between the upper hook portion and the lower hook portion.

5. The container or pouch according to claim 1, wherein the male closure element further includes a base region and a stem extending between the base region and the head portion, and the primary profile, the secondary profile, the stem, and the base region are molded together with the front wall to form a single component.

6. The container or pouch according to claim 1, wherein the male closure element further includes a base region and a stem extending between the base region and the head portion, and the height of the stem, measured perpendicular to the centerline, is 10% to 50% of the height of the female closure element, measured perpendicular to the centerline.

7. The container or pouch according to claim 1, wherein the height of the secondary profile is greater than the height of the cavity measured in a direction perpendicular to the center line.

8. The primary profile defines the thin region of the male closure element, and the secondary profile defines the oversized region of the male closure element. The container or pouch according to claim 1, wherein the length of a single oversized region of the male closure element, measured in a direction parallel to the vertical plane extending through the periphery, is 1% to 10% of the length of the male closure element, measured in a direction parallel to the vertical plane.

9. A container or pouch formed entirely of elastomer, Front wall and, A rear wall connected to the front wall along its periphery, The main unit, including, A front section having a male closure profile including a male closure element, A rear side having a female closure profile that includes a female closure element and defines a cavity, A closure system including, Equipped with, The female closure element is symmetrical with respect to the center line, the center line extends through the cavity, The male closure element includes a head portion having a continuous primary profile and a discontinuous secondary profile extending from the primary profile. A container or pouch in which the height of the secondary profile, measured perpendicular to the center line, is greater than the height of the cavity, measured perpendicular to the center line.

10. The container or pouch according to claim 9, wherein the secondary profile includes an outer surface defined by a first vertical plane extending perpendicular to the center line, an inner surface defined by a second vertical plane parallel to the first vertical plane, and a side surface extending between the outer surface and the inner surface.

11. The female closure element further includes a base portion, an upper arm extending outward from the base portion, and a lower arm extending outward relative to the base portion. The container or pouch according to claim 9, wherein the opening of the female closure element into the cavity is defined between the upper arm and the lower arm.

12. The upper arm has an upper hook portion defined at its distal free end, and the lower arm has a lower hook portion defined at its distal free end. The container or pouch according to claim 11, wherein the opening is further defined between the upper hook portion and the lower hook portion.

13. The male closure element further includes a base region and a stem extending from the base region to the head portion, The container or pouch according to claim 9, wherein the height of the trunk, measured perpendicular to the center line, is 10% to 50% of the height of the female closure element, measured perpendicular to the center line.

14. The container or pouch according to claim 9, wherein the height of the secondary profile is greater than the height of the primary profile measured in a direction perpendicular to the center line.

15. The primary profile defines the thin region of the male closure element, and the secondary profile defines the oversized region of the male closure element. The container or pouch according to claim 9, wherein the length of a single oversize region of the male closure element, measured in a direction parallel to the vertical plane extending through the periphery, is 1% to 10% of the length of the male closure element, measured in a direction parallel to the vertical plane.

16. A container or pouch formed entirely of elastomer, Front wall and, A rear wall connected to the front wall along its periphery, The main unit, including, A front section having a male closure profile including a male closure element, A rear side having a female closure profile that includes a female closure element and defines a cavity and an opening, A closure system including, Equipped with, The vertical surface extends through the periphery, the center line extends through the cavity and the opening, and the female closure element is symmetrical with respect to the center line. The male closure element includes a head portion having a continuous primary profile that defines a thin region of the male closure element and a discontinuous secondary profile that defines an oversized region of the male closure element. The length of a single thin region is measured in a direction parallel to the longitudinal plane and is 1% to 10% of the length of the male closure element. A container or pouch in which the length of a single oversized region of the male closure element is measured in a direction parallel to the longitudinal plane and is 1% to 10% of the length of the male closure element.

17. The container or pouch according to claim 16, wherein the secondary profile includes an outer surface defined by a first vertical plane extending perpendicular to the center line, an inner surface defined by a second vertical plane parallel to the first vertical plane, and a side surface extending between the outer surface and the inner surface.

18. The female closure element further includes a base portion, an upper arm extending outward from the base portion, and a lower arm extending outward relative to the base portion. The container or pouch according to claim 16, wherein the opening of the female closure element is defined between the upper arm and the lower arm.

19. The male closure element further includes a base region and a stem extending from the base region to the head portion, The container or pouch according to claim 16, wherein the height of the trunk measured perpendicular to the center line is 10% to 50% of the height of the female closure element measured perpendicular to the center line.

20. The container or pouch according to claim 16, wherein the height of the secondary profile measured in a direction perpendicular to the center line is greater than the height of the cavity measured in a direction perpendicular to the center line.

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