CN114955209A - Bag-type container with removable opening closure and sealing means - Google Patents

Abstract

A bag-type container with a removable opening closure and sealing means is provided, comprising a container body having an openable top, an opening closure for closing the open top, and a sealing means. A sealing means is removably mounted on the top of the container body whereby the opening closure is removably in sealing engagement with the open top of the container body. The invention has the advantages of simple structure, easy disassembly and assembly, convenient cleaning, good sealing performance and the like.

Description

Bag container with removable opening closure and sealing device

technical field

The present invention relates to a bag container. More specifically, it relates to a bag-type container having an opening closure member and a sealing device detachably sealingly combined with the container body, and the detachable opening closure member and sealing device can achieve easy access to the contents of the container and It is easy to clean and at the same time ensures the sealing performance of the bag container.

Background technique

Bag containers with sealing mechanisms, such as sealed bags, are known in the art. Prior art hermetically sealed pouches are generally made in a semi-closed form with an open top that can be re-closed. The reclosable top typically includes a pair of interlockably fastened sealing elements to form a lock. The interlockingly fastened sealing elements may have various shapes, such as interlocking protrusion and groove elements that match each other. These sealing elements are fixedly formed at the top of the sealed bag, due to the difference in material and design, they have various problems, such as poor durability, not suitable for repeated use, easily broken, and the air seal cannot be restored when the bag is opened and closed again. , and sealed bags with fixed sealing elements are not easy to clean, etc.

In view of this, there is a need for a novel reclosable bag container, which can ensure the sealing effect of the bag container during use and improve the ease of operation of the bag container by providing a detachable opening closure and a sealing element. Usability and structural durability.

SUMMARY OF THE INVENTION

In order to solve the above problems of the prior art, the present invention provides a novel bag-type container, which improves the sealing performance and is easy to disassemble through the design of a detachable opening and closing piece and the addition of a sealing device matching the container body. Easy to assemble, easy to operate, suitable for repeated cleaning.

The present invention provides a bag container with an open closure, comprising:

a container body having an open top with an opening and having an interior compartment sized to accommodate a volume of contents;

an open closure connected to the open top of the container body for closing the opening of the open top, and

A sealing device that can be coupled to the opening closure, the sealing device is removably mounted on the open top of the container body, and the opening closure is detachably connected to the container body by the sealing device. The open top forms a sealed connection.

Preferably, the sealing means includes a top wall and side walls extending downwardly from the top wall, the side walls surrounding and defining a hollow cavity, wherein the top wall and/or the side walls are configured into removably sealing engagement with the top of the container body. The sealing device is provided with a first engaging piece, and the open top of the container body forms a second engaging piece that can engage with the first engaging piece; when the opening closing piece is connected with the open top, the The open top is pressed against and abuts against the sealing device, so that the first engaging member and the second engaging member are pressed and sealed. The sealing device is further provided with a third engaging piece spaced from the first engaging piece, and the open top of the container body forms a fourth engaging piece that can engage with the third engaging piece; When the top part abuts the sealing device, the third engaging part and the fourth engaging part are forced to press and seal.

In a preferred embodiment, the first engaging member is formed along the circumference of the side wall of the sealing device, and the second engaging member is formed along the circumference of the inner surface of the open top of the container body; When the opening closure is connected with the open top, the open top is pressed inwardly and abuts against the side wall of the sealing device, so that the first engaging element and the second engaging element are pressed and sealed. Preferably, the first engaging member and the second engaging member are formed as concave-convex structural members that are interlocked with each other.

In order to strengthen the abutment between the open top of the container body and the side wall of the sealing device, so as to strengthen the sealing effect between the two, along the circumferential direction of the side wall of the sealing device and located at the first The third engaging member is formed above the engaging member, and the fourth engaging member is formed along the circumferential direction of the inner surface of the open top of the container body; when the open top abuts the side wall of the sealing device, The third engagement member is forced to seal against the fourth engagement member. Preferably, the third engaging member and the fourth engaging member are formed as concave-convex structural members interlocked with each other.

In a particular embodiment, the sealing means includes an outlet tube extending upwardly from its top wall, the outlet tube being in communication with the interior compartment of the container body and protruding beyond the open closure. The bag container also includes a closure removably secured to the outlet tube. A sealing ring may also be provided between the cover and the outlet pipe.

Preferably, the top wall of the sealing device may have a flange, the lower surface of which is pressed against the top edge of the open top when the sealing device is connected to the open top.

Preferably, interlockable fastening elements are provided on the side walls and the open top of the opening closure, so that the two can be tightly locked together. The interlockable fastening element may include providing one or more recesses on the inner surface of the side walls of the open closure and a location on the outer surface of the open top corresponding to the recesses. or a plurality of studs engageable with the recesses.

In another preferred embodiment, the sealing means includes a shoulder connecting the side wall and the top wall, the first engaging member is provided on the shoulder and formed as an upwardly facing annular groove; The open top has an upper edge extending transversely with respect to the longitudinal axis of the bag container, the second engaging member is formed as an annular tooth extending downwardly from a lower surface of the upper edge; when the open closure member When connected to the open top, the open top is pressed downwardly by the open closure and abuts the seal with the downwardly extending annular teeth positioned within the upwardly facing annular groove to Form a pinch seal. The open closure includes an annular reinforcement protruding downward from its bottom surface, wherein when the open closure is connected to the open top, the annular reinforcement is elastically deformed and pressed against the upper edge of the open top , so as to form a tight engagement between the upwardly facing annular grooves and the downwardly extending annular teeth.

In order to better secure the sealing device, the inner surface of the open top of the container body includes an inwardly extending support portion, the support portion, the upper edge and the side walls of the open top define and receive the Space for sealing the device. Advantageously, the third engagement member is arranged on the side wall of the sealing device and is formed as a lateral annular groove, and a lateral annular tooth is arranged between the upper edge of the open top and the support portion; When the top abuts the sealing device, the lateral annular teeth are positioned in the lateral annular groove to form a compressive seal to further enhance the sealing effect therebetween.

In some cases, the closure is constructed to include an upper lid portion and a collar that acts on the open closure when secured to the outlet tube, causing the open closure to be compressed against the The top is open to form a tight engagement between the upwardly facing annular groove and the downwardly extending annular teeth. The inside of the upper cover portion may be provided with an annular receiving portion for engaging with the upper portion of the outlet pipe.

According to the present invention, the sealing means and the opening closure are preferably made of a material comprising polypropylene (PP).

The container body, the sealing means and the opening closure of the pouch container according to the invention are preferably manufactured in one piece, respectively.

According to a preferred embodiment of the bag container of the present invention, the container body of the bag container is made of a material containing silica gel or rubber. Silica gel (silicone) is a non-toxic, high temperature, low temperature and easy molding polymer material. Bag containers made of silicone or rubber are suitable for food storage.

The height and volume of the container body can be changed according to different requirements, and this change will not limit the specific structure and function described in the present invention.

The thickness of the container body, that is, the wall thickness of the bag container, can be appropriately selected depending on the volume of the container. When the volume is large, the container wall can be made to have a large thickness so that the container will not break due to the excessive weight of the content.

One of the gist of the present invention is that by providing structural features in the container body, the sealing device and the opening closure that can be disassembled relative to each other, a simple and practical, good sealing performance, easy access to the contents of the container and convenient cleaning are realized , a reusable bag container.

The following embodiments further illustrate the present invention with reference to the accompanying drawings.

Description of drawings

1A and 1B show perspective views, respectively, of a pouch container according to a first embodiment of the present invention in a closed and open state, excluding a lid.

Figures 2A and 2B correspond to cross-sectional views of the bag container of Figures 1A and 1B, respectively.

FIG. 3 is a front view of the sealing device shown in FIGS. 1A and 1B .

4 is a perspective view of the sealing device and the opening closure shown in FIGS. 1A and 1B separated from each other.

FIG. 5 is an enlarged view of part A of FIG. 2A .

6 is an exploded perspective view of the bag container shown in FIGS. 1A and 1B and including a closure.

7 is an exploded perspective view of a bag container according to a second embodiment of the present invention.

FIG. 8 is an exploded cross-sectional view of the bag container shown in FIG. 7 .

Fig. 9 is a sectional view of the bag container shown in Fig. 7 in a closed state.

10A to 10C respectively show cross-sectional views of the opening closure, sealing means and container body of the bag container shown in FIG. 7 .

Detailed ways

While the present invention has been illustrated and described in terms of preferred embodiments, bag containers can be manufactured in many different configurations, sizes, and materials.

Exemplary embodiments of a pouch container with an open closure of the present invention will be described below with reference to the accompanying drawings. It should be understood that the dimensions of various parts in the accompanying drawings are not drawn to scale, and are only for schematic illustration, and do not represent the actual dimensions of the product of the present invention.

Referring to Figures 1 to 6, there is shown a bag container 1 constructed in accordance with a first preferred embodiment of the present invention. As shown in Figures 1A and 1B, the bag container 1 includes a container body 10 having an open top 11 with an opening and an interior compartment sized to accommodate a volume of contents. The container body 10 of the present embodiment is manufactured by integral molding, and has a substantially rectangular outer shape. In this embodiment, the open top 11 is designed to slope slightly inwards to facilitate the compression fit of the open top 11 when assembled. A lower annular protrusion 12 and an upper annular protrusion 13 that are parallel to each other are formed protruding in the circumferential direction of the inner surface of the open top portion 11 .

The bag container 1 also includes an opening closure 20 and a sealing device 30 . The opening closure 20 is connected to the open top 11 of the container body 10 for closing the opening of the open top 11 . A sealing device 30 is configured to be positioned inside the open closure 20 and coupled to the open top 11 .

Figures 3 and 4 clearly show the opening closure 20 and the sealing means 30 . As shown, the opening closure 20 is generally a lid with an open bottom, including a cover plate 21 and a side wall 22 extending downwardly from the cover plate 21, the side wall 22 defining a receiving chamber 23 therearound. The side wall 22 may include a reinforcing rib (not shown) projecting inwardly from its bottom edge, the reinforcing rib extending the entire perimeter of the side wall 22 to abut the open top 11 of the container body 10 . A through hole 24 is provided in the center of the cover plate 21 . Interlockable fastening elements may be provided on the side walls 22 and the open top 11 of the open closure 20 to provide a better secure fit between the two. For example, one or more recesses (not shown) are provided on the inner surface of the side wall 22 of the opening closure 20 , and one or more protrusions are provided on the outer surface of the open top 11 at positions corresponding to the recesses (not shown), the corresponding recesses engage with the studs.

As shown in FIGS. 2B and 5 , the entire sealing device 30 is substantially removably received within the receiving chamber 23 of the opening closure 20 . The sealing device 30 includes a top wall 31 and side walls 32 extending downwardly and slightly outwardly from the lower surface of the top wall 31, the side walls 32 surrounding and defining a hollow extending downwardly and slightly outwardly from the top wall 31 Cavity 33. The slightly outwardly extending side walls 32 match the shape and size of the slightly inwardly sloping open top 11 for a press fit. The advantage of this inclined configuration is that when the open top 11 abuts against the sealing device 30 , the sealing device 30 can be further pressed, thereby enhancing the tightness of engagement between the two. After the sealing device 30 is completely accommodated in the receiving chamber 23 of the opening closure 20, a space is defined between the side wall 22 of the opening closure 20 and the side wall 32 of the sealing device 30 (see FIG. 2B), and the top 11 is open during assembly is held within the space, as will be described in detail below.

The sealing device 30 also includes an outlet pipe 34 extending upwardly from the top wall 31, the outlet pipe 34 being in communication with the interior compartment of the container body. The outlet tube 34 is sized to just pass through the through hole 24 of the open closure 20 and protrude beyond the open closure 20 . In this way, the sealing devices 30 are coaxially and detachably arranged with the outlet pipe 34 as the center. A lower annular groove 35 and an upper annular groove 36 are formed parallel to each other by protruding in the circumferential direction of the outer surface of the side wall 32, the positioning, size and shape of the lower annular groove 35 and the upper annular groove 36 The lower annular protrusions 12 and the upper annular protrusions 13 of the open top 11 of the container body 10 are configured to mate with each other so as to be tightly meshed with each other. The top wall 31 of the sealing device 30 is provided with a flange 37 .

FIG. 6 shows a perspective exploded view of the bag container 1 , which, as shown, also includes a closure 40 , which is removably secured to the outlet tube 34 protruding beyond the open closure 20 . The cover 40 can be snapped onto the outlet pipe 34 or connected to the outlet pipe 34 by means of threads. A sealing ring 41 can be provided between the cover 40 and the outlet pipe 34 to strengthen the sealing connection between the two.

When in use, the open top 11 of the container body 10 is sleeved on the side wall 32 of the sealing device 30 , wherein the lower annular protrusion 12 and the upper annular protrusion 13 of the open top 11 are respectively connected with the lower part of the side wall 32 of the sealing device 30 . The annular groove 35 and the upper annular groove 36 are engaged, and the top edge of the open top 11 abuts against the lower surface of the flange 37 of the sealing device 30 . Then, the sleeved container body 10 and the sealing device 30 are placed in the receiving chamber 23 of the opening closure 20 , wherein the outlet pipe 34 passes through the through hole 24 of the opening closure 20 and protrudes beyond the opening closure 20 , and the open top 11 of the container body 10 is clamped in the space defined between the side wall 22 of the opening closure 20 and the side wall 32 of the sealing device 30 . Specifically, the reinforcing ribs provided on the bottom edge of the side wall 22 of the opening closure 20 press inwardly against and abut the open top 11 of the container body 10 , so that the lower annular protrusion 12 of the open top 11 is pressed and sealed The lower annular groove 35 of the device 30 forms a matching compressive engagement seal. Alternatively, the outer diameter of the portion of the lower portion of the open top 11 that is in contact with the open closure 20 is designed to be slightly larger than the inner diameter of the side walls 22 of the corresponding open closure 20 so that when the two are coupled the open top is 11 is pressed inwardly by the opening closure 20 and abuts the side wall 32 of the sealing device 30, so that the lower annular protrusion 12 of the open top 11 is pressed to form a matching compression with the lower annular groove 35 of the sealing device 30 Engaged seal. As shown in FIG. 5 , the open top 11 of the container body 10 is completely covered by the sealing device 30 along the entire circumference, the contents in the container body 10 will not leak out of the container, and the air outside the container will not easily penetrate into the interior of the container, achieving an excellent sealing effect.

In addition, the flange 37 of the sealing device 30 also presses down against the top edge of the open top 11 so that the upper annular protrusion 13 of the open top 11 and the upper annular groove 36 of the sealing device 30 also form a compression seal. Providing such a compressive seal at the upper part of the sealing device 30 and the open top 11 not only further enhances the sealing effect of the bag container 1, but also makes the connection between the opening closure 20, the container body 10 and the sealing device 30 more secure .

7 to 10C show a bag container 100 according to a second embodiment of the present invention. The structure of this embodiment is basically the same as that of the first embodiment, including a container body 110 , an opening closure 120 , a sealing device 130 and a cover 140 .

The main difference between this embodiment and the first embodiment described above lies in the adoption of a different form of sealing mechanism. As shown, the container body 110 has an open top 111 with an opening having an upper edge 112 extending horizontally inward with respect to the longitudinal axis X of the bag container. A downwardly extending annular tooth 113 is provided on the lower surface of the inner end of the upper edge 112 . The open top 111 also includes a support portion 114 formed circumferentially protruding from the lower inner surface thereof, and a lateral annular tooth 115 positioned between the upper edge 112 and the support portion 114, the support portion 114, the lateral The annular teeth 115 and the upper edge 112 are parallel to each other. The recess 116 is defined by the inner surface of the side walls of the open top 111 , the lower surface of the upper edge 112 and the lateral annular teeth 115 .

The sealing device 130 in this embodiment is likewise configured to be positioned inside the open closure 120 and coupled to the open top 111 . The opening closure 120 is generally an inverted T-shaped cover with an open bottom, and includes a cover plate 121 and a side wall 122 extending downwardly from the cover plate 121 , the side wall 122 defining a receiving chamber 123 therearound. The side wall 122 may include an annular reinforcement member 125 protruding downward from the bottom surface thereof. When the opening closure member 120 is pressed toward the open top portion 111 , the annular reinforcement member is elastically deformed and pressed against the upper edge 112 of the open top portion 111 . . A through hole 124 is provided in the center of the cover plate 121 .

The sealing device 130 includes a top wall 131, a side wall 132, and a shoulder 137 connecting the top wall 131 to the side wall 132, wherein the side wall 132 surrounds and defines a hollow cavity 133, the shoulder 137 contains Upward facing annular groove 135 . An outwardly facing lateral annular groove 136 is further provided on the side wall 132 of the sealing device 130 . The upwardly facing annular groove 135 and the lateral annular groove 136 are positioned, sized and shaped to mate with the downwardly extending annular teeth 113 and the lateral annular teeth 115, respectively, of the open top 111 so as to be snug with each other mesh. The sealing device 130 is configured to snap just between the support portion 114 of the open top 111 and the upper edge 112 .

As shown in FIG. 9 , the top of the sealing device 130 is substantially removably received within the receiving chamber 123 of the opening closure 120 , while the side walls 132 and the hollow cavity 133 defined by them expose the receiving chamber 123 of the opening closure 120 . outside. The sealing device 130 also includes an outlet pipe 134 extending upwardly from the top wall 131, the outlet pipe 134 being in communication with the interior compartment of the container body. The outlet tube 134 is sized to just pass through the through hole 124 of the open closure 120 and protrude beyond the open closure 120 . In this way, the sealing devices 130 are coaxially and detachably arranged with the outlet pipe 134 as the center. The sealing device 30 is provided with a flange 138 between its shoulder 137 and the side wall 132 .

Cap 140 is removably secured to outlet tube 134 protruding beyond open closure 120 and includes upper cap portion 141 , collar 142 and handle 143 . An annular receiving portion 144 is provided inside the upper cover portion 141 , and the upper pipe wall of the outlet pipe 134 is engaged in the annular receiving portion 144 . The handle 143 is connected to the upper cover portion 141, which is convenient for the user to carry. The collar 142 and the upper cover part 141 are two separate parts. The inner part of the collar 142 is provided with an inner thread, which is screwed with the outlet pipe 134, and then the upper cover part 141 is clamped on the outlet pipe 134 and located between the collar 142. on the location. When the collar 142 is screwed to the outlet tube 134, a downward pressure will be applied to the open closure 120, pressing the open closure 120 towards the open top 111 . The annular reinforcing member 125 disposed on the bottom surface of the opening closure member 120 is thus elastically deformed under pressure, and is pressed against the open top portion 111 to form a tight seal therebetween.

In use, the open top 111 of the container body 110 is sleeved on the side wall 132 of the sealing device 130, wherein the downwardly extending annular teeth 113 and the lateral annular teeth 115 of the open top 111 are respectively positioned on the upward facing of the sealing device 130 The annular groove 135 and the lateral annular groove 136 are engaged with each other, and the flange 138 of the sealing device 130 is received in the recess 116 of the open top 111 . Then, the sleeved container body 110 and the sealing device 130 are placed in the receiving chamber 123 of the opening closure 120 , wherein the outlet pipe 134 passes through the through hole 124 of the opening closure 120 and protrudes beyond the opening closure 120 , and the upper edge 112 of the open top 111 of the container body 10 is clamped horizontally between the bottom surface of the open closure 120 and the shoulder 137 of the sealing device 130 . Specifically, after the collar 142 and the outlet pipe 134 are screwed together, the annular reinforcing member 125 provided on the bottom surface of the opening closure member 120 is pressed against and abuts the upper edge 112 of the open top 111 by downward pressure, thereby making the opening The downwardly extending annular teeth 113 of the top portion 111 are compressed to form a mating compression-engaging seal with the upwardly facing annular groove 135 of the sealing device 130 . As shown in FIG. 9 , the open top 111 of the container body 110 is completely covered by the sealing device 130 along the entire circumference, the contents in the container body 110 will not leak to the outside of the container, and the air outside the container will not easily penetrate into the interior of the container, achieving an excellent sealing effect.

In addition, the lateral annular teeth 115 of the open top 111 also form a meshing seal with the lateral annular grooves 136 of the sealing device 130, which can not only further enhance the sealing effect of the bag container 100, but also enable the opening closure 120, the container body 110 The connection with the sealing device 130 is stronger.

As mentioned above, one of the gist of the present invention is that the three components of the bag container: the opening closure 20, 120, the container body 10, 110 and the sealing means 30, 130 are designed to be separable from each other. The three components are allowed to be assembled together conveniently and simply by providing interlockingly fastened elements that match each other, which ensure that the assembled container remains hermetically closed.

The container body of the present invention is preferably a flexible container made of a flexible material. The flexible material may be a material comprising silicone or rubber, which is a non-toxic, high temperature, low temperature, and easy molding polymer material. Bag-type flexible containers made of silicone or rubber are suitable for food storage. Particularly preferably, the container body of the embodiment is molded from silicone or rubber.

The opening closure and sealing device of the present invention are preferably made of a rigid plastic material. The rigid plastic material may be made of a material containing polypropylene (PP, Polypropylene). Polypropylene is a semi-crystalline thermoplastic with the advantages of acid and alkali resistance, chemical resistance, collision resistance and high temperature resistance (-20℃～130℃). Because of its safe and stable chemical properties, polypropylene can be used not only to make food-grade containers, but also to be heated in microwave ovens. Further, the selection of hard plastic material is beneficial to the clamping effect on the open top of the container body and ensures the sealing effect of the container.

In addition, the height and volume of the container body can be changed according to different requirements, and the wall thickness of the container body can be appropriately selected depending on the volume of the container. When the volume is large, the container wall can be made to have a large thickness so that the container will not break due to the excessive weight of the content.

The bag container with the removable opening closure of the present invention has been described in detail above by describing the exemplary embodiments. It should be understood that the scope of the present invention is not limited to the above-described embodiments, but is defined by the appended claims. Various modifications can be made to the embodiments without departing from the object and spirit of the invention, but still fall within the scope of the invention.

Claims (22)

1. A bag-type container with a removable opening closure, comprising:

a container body having an open top with an opening and having an interior compartment sized to contain a volume of contents;

an opening closure connected with the open top of the container body for closing the opening of the open top, an

A sealing device coupled with the opening closure,

the method is characterized in that:

the sealing means is removably mounted to the open top of the container body, whereby the opening closure is removably brought into sealing engagement with the open top of the container body.

2. The bag-type container with a removable opening closure of claim 1, wherein: the sealing device includes a top wall and a side wall extending downwardly from the top wall, the side wall surrounding and defining a hollow cavity, wherein the top wall and/or the side wall are configured for removable sealing engagement with the top of the container body.

3. The bag-type container with a removable opening closure of claim 2, wherein: the sealing device is provided with a first engaging part, and the open top of the container body is provided with a second engaging part which can be engaged with the first engaging part; when the opening closure is connected with the open top, the open top is pressed against the sealing device, and the first engaging piece and the second engaging piece are pressed and sealed.

4. The bag-type container with a removable opening closure according to claim 3, wherein: said sealing means being provided with a third engagement formation spaced from said first engagement formation, the open top of said container body defining a fourth engagement formation engageable with said third engagement formation; forcing the third and fourth engagement members into a compressive seal when the open top portion abuts the sealing device.

5. The bag-type container with a removable opening closure according to claim 4, wherein: forming the first engaging piece along a circumferential direction of a sidewall of the sealing device, and forming the second engaging piece along a circumferential direction of an inner surface of the open top of the container body; when the opening closure is connected to the open top, the open top is pressed inwardly against and abuts the sidewall of the sealing device, causing the first and second engagement members to compressively seal.

6. The bag-type container with a removable opening closure according to claim 5, wherein: the third engaging piece is formed along a circumferential direction of a sidewall of the sealing device above the first engaging piece, and the fourth engaging piece is formed along a circumferential direction of an inner surface of the open top of the container body; when the open top abuts against the side wall of the sealing device, the third engaging piece and the fourth engaging piece are forced to be pressed and sealed.

7. The bag-type container with a removable opening closure of claim 6, wherein: the first engaging piece and the second engaging piece are formed as concave-convex structural members interlocked with each other, and/or the third engaging piece and the fourth engaging piece are formed as concave-convex structural members interlocked with each other.

8. The bag-type container with a removable opening closure according to any one of claims 5 to 7, wherein: the top wall of the sealing device has a flange, the lower surface of which is pressed against the top edge of the open top when the sealing device is connected to the open top.

9. The bag-type container with a removable opening closure according to any one of claims 5 to 7, wherein: interlockable fastening elements are provided on the side walls of the open closure and the open top for a better secure closure of the two.

10. The bag-type container with a removable opening closure according to claim 9, wherein: the interlockable fastening elements comprise one or more recesses provided on an inner surface of a side wall of the open closure, one or more studs engageable with the recesses being provided on an outer surface of the open top at positions corresponding to the recesses.

11. The bag-type container with a removable opening closure according to any one of claims 5 to 7, wherein: the sealing device includes an outlet tube extending upwardly from the top wall, the outlet tube being in communication with the interior compartment of the container body and projecting beyond the open closure.

12. The bag-type container with a removable opening closure of claim 11, wherein: the bag-type container also includes a closure removably secured to the outlet tube.

13. The bag-type container with a removable opening closure according to claim 4, wherein: the sealing means includes a shoulder connecting the side wall with the top wall, the first engaging piece being provided on the shoulder and formed as an upwardly facing annular groove; said open top having an upper edge extending transversely to a longitudinal axis of said bag-type container, said second engagement member being formed as an annular tooth extending downwardly from a lower surface of said upper edge; when the open top closure is connected to the open top, the open top is pressed downwardly by the open top closure and against the sealing means with the downwardly extending annular teeth positioned within the upwardly facing annular groove to form a compression seal.

14. The bag-type container with a removable opening closure of claim 13, wherein: the open closure includes an annular reinforcement projecting downwardly from a bottom surface thereof, wherein when the open closure is connected to the open top, the annular reinforcement is resiliently deformed to press against an upper edge of the open top to form a tight engagement between the upwardly facing annular groove and the downwardly extending annular tooth.

15. The bag-type container with a removable opening closure of claim 13, wherein: an inner surface of the open top of the container body includes an inwardly extending support portion, the upper edge and the open top sidewall defining a space to receive the sealing device.

16. The bag-type container with a removable opening closure of claim 15, wherein: the third engaging member is provided on a side wall of the sealing device and formed as a lateral annular groove with a lateral annular tooth provided between an upper edge of the open top and the support portion; the lateral annular teeth are positioned within the lateral annular groove to form a compression seal when the open top abuts the sealing device.

17. The bag-type container with a removable opening closure according to any one of claims 13 to 16, wherein: the sealing device includes an outlet tube extending upwardly from the top wall, the outlet tube being in communication with the interior compartment of the container body and projecting beyond the open closure.

18. The bag-type container with a removable opening closure of claim 17, wherein: the bag-type container also includes a closure removably secured to the outlet tube.

19. The bag-type container with a removable opening closure of claim 18, wherein: the closure includes an upper cap portion and a collar which, when secured to the outlet tube, acts on the open top to press the open top against the open top to form a tight engagement between the upwardly facing annular groove and the downwardly extending annular tooth.

20. The bag-type container with a removable opening closure of claim 19, wherein: the interior of the upper cover portion is provided with an annular receiving portion for engagement with the upper portion of the outlet tube.

21. The bag-type container with a removable opening closure according to any one of claims 1 to 4, wherein: the container body, the sealing device and the opening closure are manufactured by integral molding respectively.

22. The bag-type container with a removable opening closure according to any one of claims 1 to 4, wherein: the container body is made of a material comprising silicone or rubber, and the sealing means and the opening closure are made of a material comprising polypropylene.

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