WO2010150985A2

WO2010150985A2 - Airtight vessel and manufacturing method thereof

Info

Publication number: WO2010150985A2
Application number: PCT/KR2010/003407
Authority: WO
Inventors: 구자일
Original assignee: 주식회사 코멕스산업
Priority date: 2009-06-26
Filing date: 2010-05-28
Publication date: 2010-12-29
Also published as: WO2010150985A3

Abstract

The present invention relates to an airtight vessel, comprising a body having an open configuration with an outwardly rounded top portion of the side wall that surrounds a recessed storage area and a lid having a top plate for covering the recessed storage area, with the top plate having an outwardly rounded exterior side, i.e., periphery, adapted to make a tight surface contact with a curved portion of the body, is characterised in that the top end of the side wall is formed of a round curved portion; at least part of a hinge element of the lid is made of a predetermined soft material by dual injection; a locking wing disposed outside of the hinge element is made of a predetermined soft material in a central top surface portion; the periphery of a top plate disposed inside the hinge element is formed of an open round curved surface; a hermetic packing is integrated, by dual injection, with the lower end of the periphery of the top plate that is disposed inside the hinge element, with the hermetic packing being made of a predetermined soft material and configured to open outside; and a plurality of embossed protrusions is formed on the lower end of the hermetic packing.

Description

Hermetic container and its manufacturing method

The present invention relates to a hermetically sealed container, and more particularly, to a hermetically sealed container and a method of manufacturing the same, which improves durability of a lid fastening portion, is easy to assemble, and has improved coupling property between a lid and a main body.

Airtight containers have a variety of sizes and shapes depending on the application. In recent years, a sealed container is preferred to cover the container lid in which the packing is inserted on the upper part of the container body and to provide a sealing force by using a locking wing formed around the container lid.

However, when the container lid and the lock wing are integrally injection molded, a hinge part is formed therebetween, and when the hinge part is folded and retracted, the hinge part easily reaches the fatigue limit and has a problem of weakening the impact.

In order to overcome the weakness of the hinge portion exposed to such repeated bending stress, Korean Patent Publication No. 335718 introduces a technique in which the injection melt flow blocking hole is properly formed so that the weld line generated in the injection process does not occur in the hinge portion. Doing. However, this technique focuses on reducing stress concentrations and reducing residual stresses in the weld line, one of the causes of fatigue failure, thus overcoming the design life limitations of the container materials used. I could not.

Accordingly, the present applicant has devised a hermetically sealed container disclosed in Korea Utility Model Publication No. 347176 to counter the fatigue failure of the hinge portion more fundamentally, which is combined with FIGS. 1 and 2 as the prior art of the present invention.

1 to 2 show an example of a conventional sealed container, Figure 1 is a cross-sectional view showing a combined state of the sealed container, Figure 2 is a cross-sectional view showing a double injection structure of the hinge portion of the container lid according to Figure 1 to be.

As shown, the container lid 1 of the sealed storage container is provided with a packing 60 in order to ensure the sealing property in the portion coupled with the edge of the container body 2, the soft resin 30 on the top The double-injected hinge portion 22 is integrally coupled with the lock wing 20 at one end thereof, and the other end thereof extends from the edge 11 of the upper cover 10 to a length corresponding to the length of the lock wing 20. It shows a configuration coupled to the frame edge 21 is integrated.

The double-injected hinge portion 22 repeatedly applies bending stress to the thin hinge portion 22 positioned between the upper cover 10 and the lock wing 20, thereby preventing the hinge portion 22 from being destroyed by fatigue. In order to cover the upper end of the upper cover 21, the hinge portion 22 and the connecting portion 23 of the locking wing 20 is configured to cover a double injection of soft resin having a higher fatigue limit than the container material and elasticity to be.

This enables the use beyond the limit of the fatigue limit of the container lid material, it is possible to have a semi-permanent durability while allowing smooth fastening and disassembly of the lock wing.

In addition, the Korean Utility Model Registration No. 347176 has been devised as another conventional method for counteracting the fatigue failure of the hinge portion, which is combined with FIGS. 3 and 4 as the prior art of the present invention.

3 to 4 is another example of a conventional sealed container, Figure 3 shows a state in which a hole is formed in the compartment of the container lid, Figure 4 is a coating layer integrally to the packing means through the hole of the compartment of Figure 3 It is sectional drawing which shows the state formed.

As shown in the figure, the sealed container is sealed while being coupled to the locking means 60 formed in the housing 50 by the locking means extending to the outside of the lid, the inner and outer upper surfaces of the folding portion of the locking means. A soft thin coating layer 1 is formed on the substrate.

The application of the coating layer 1 is a soft material having excellent adhesion with the polyethylene component when forming the lid of the container with a polyethylene (PP) material, for example, an elastomer or santoprene material. Can be used.

In addition, the coating layer 1 of the soft body punctures the hole 4 in the upper side of the compartment 11 fitted into the upper end 50a of the housing 50 when the container lid is coupled to the housing 50, It is possible to prevent the coating layer 1 from falling through the method of double injection so that the packing means 5 is integrally formed in the compartment 11 through the hole 4, thereby maintaining a stable bonding state.

On the other hand, in spite of the advantages described above, the airtight containers shown in FIGS. 1 to 4 have the following problems.

In the case of the airtight container shown in Figures 1 and 2, in order to maintain the airtight inside the container, the packing of the silicone material is fixed to the groove inside the lid separately, so there is a problem that productivity increases and labor costs increase due to increased labor .

In the case of the airtight container shown in Figs. 3 and 4, in spite of the advantages of eliminating the disadvantages in Figs. 1 and 2, the wall of the container body, i. Compartment is formed in the upper end of the enclosure wall in the configuration, when the user wants to combine the lid to the enclosure to seal the container, the user is generally looking down from the top of the container, so the compartment of the top of the enclosure and the lower lid There was an inconvenience of not being able to see the coincidence of, and the user could not combine the container lid and the enclosure at once, and the user had to move the lid back and forth several times to fit the compartment of the lid on the top of the enclosure. In particular, when the top of the compartment and the compartment of the lid does not exactly match the locking means and the locking means are also mutually difficult to lock the container is difficult or incomplete, and thus was not likely to be completely sealed.

In addition, despite the configuration of the hinge portion through the double injection of Figures 1 to 4, the airtight container having a conventional four-side fastening structure is different from the material of the container lid and the housing (container body), for example, a plastic lid When the fastener is fastened to the glass case, there is a problem that the hinge portion of the lock wing is easily broken due to the difference in material properties between the container lid and the enclosure.

The present invention is to solve the above disadvantages, the injection molding of the container lid is double injection into a flexible material to provide a structure in which the packing unit is integrally formed on the lid itself, thereby eliminating the operation of fitting the packing to the container lid, Therefore, the object of the present invention is to provide an airtight container in which productivity is reduced and labor costs are reduced, and a manufacturing method of the airtight container is reduced.

Another object of the present invention is to improve durability by double-injecting a part of the locking blade and the hinge portion of the lid fastening means with a predetermined soft material to prevent fatigue failure even when the plastic container lid is fastened to the glass container body. It is to provide a closed container and a method of manufacturing the same to minimize and to improve the aesthetics by engraving a pattern or a logo by configuring the soft material to have a predetermined color.

Still another object of the present invention is to provide a closed container that improves convenience in use by configuring the container lid itself to find a coupling position with the container body without the need to move the container lid several times to adjust the engagement position with the main body. It is to provide a manufacturing method.

The object of the present invention as described above is to form a container body constituting an open form, the upper portion of the circumferential side wall forming the receiving recess is opened to the outside, and the outer side of the upper plate covering the receiving recess, that is to form a rounded outward A container lid which is surface-adherable to the curved portion of the container body, wherein an upper end of the side wall is formed into a rounded curved portion, the container lid is formed of a predetermined material soft by double injection of at least a portion of the hinge portion, and The upper middle portion of the upper surface of the locking blade located outside the hinge portion is made of a soft material by double injection, and the circumferential portion of the upper plate positioned inside the hinge portion is formed in a rounded curved surface, and inside the hinge portion. An airtight packing is integrally formed by double injection at the lower end of the periphery of the positioned upper plate, and the airtight packing is soft and predetermined Jidoe quality achieved is provided as an open type on the outside, it is achieved by providing a closed container characterized in that the plurality of protrusions formed at the bottom of the hermetic seal has an embossed.

Another object of the present invention is to form a container body such that the upper portion of the side wall forming the receiving recess is rounded outward to form a curved portion; And forming a container lid such that the periphery of the upper plate covering the receiving recess is formed in a circumferential portion that is closely contacted with the curved portion of the container body, and the container lid is formed in such a manner that the circumference is rounded outwardly and opened. It is achieved by providing a method of manufacturing a sealed container characterized in that it forms a rounded curved surface or the bottom surface of the circumference is parallel to the curved portion formed on the upper sidewall of the container body.

According to the present invention, the container body is formed of a bent portion having a steep inclination as the inner wall surface of the side wall is straight down downward between the curved portion formed on the side wall and the stepped portion formed on the inner wall surface of the side wall below the curved portion. desirable.

The present invention has a structure in which the packing portion is integrally formed during the injection of the lid is omitted the work of fitting the packing of the silicon material in the groove of the container lid, thereby reducing the labor maneuverability has the effect of improving productivity and labor costs.

In addition, the present invention is achieved by the structure of the packing portion of the lid is opened to solve the problem that the foreign matter between the lid and the packing as in the prior art can be provided for easy cleaning and more hygienic container lid.

In addition, the present invention can improve the durability of the hinge by double-injecting a hinge portion connecting the container lid and the lock wing, and a portion of the lock wing with a predetermined soft material, and enhance the aesthetics by double-injecting a soft material of various colors. Will be.

In addition, the present invention can improve the sealing force by making a plurality of protrusions formed in the packing portion in contact with the container body in the process of manufacturing the container lid by double injection.

In addition, the present invention is configured by the container body is composed of a bent portion having a steep inclination as the inner wall surface of the side wall of the side wall between the curved portion formed on the side wall and stepped so as to slash downward straight line to move the container lid several times to the combined position Without the hassle to fit, the container lid itself finds a position where it can be combined with the container body, thereby providing convenience in use.

1 and 2 is a cross-sectional view showing an example of a conventional sealed container,

3 and 4 is a cross-sectional view showing another example of a conventional sealed container,

5 is a broken perspective view of the main body and the lid constituting the sealed container of the present invention,

6 is a cross-sectional view showing a state before coupling of the sealed container of FIG.

7 is a cross-sectional view showing a state after coupling of the sealed container of FIG.

8 is a cross-sectional view showing a state before coupling of the sealed container which is another embodiment of the present invention;

9 is a cross-sectional view showing a state after coupling of the closed container of FIG.

10 is a cross-sectional view showing a state before coupling of the sealed container which is another embodiment of the present invention;

11 is a cross-sectional view showing a state after coupling of the closed container of FIG.

12 is a cross-sectional view showing a modification of FIG. 6;

13 is a cross-sectional view showing a modification of FIG. 8;

14 is a cross-sectional view showing a modification of FIG. 10;

15 is a cross-sectional view showing the configuration of a closed container which is another embodiment of the present invention;

16 is a cross-sectional view showing a modification of the main body constituting the sealed container of the present invention and a state before coupling with the lid;

17 is a cross-sectional view showing a state after coupling of the sealed container of FIG.

18 is a perspective view of a broken body and the lid constituting a closed container which is another embodiment of the present invention,

19 is a cross-sectional view showing a state before coupling of the sealed container of FIG.

20 is a cross-sectional view showing a state after coupling of the sealed container of FIG.

21 is a ruptured perspective view of a main body and a lid constituting a closed container which is another embodiment of the present invention;

22 is a cross-sectional view showing a state before coupling of the sealed container of FIG.

FIG. 23 is a cross-sectional view showing a state after coupling of the closed container of FIG. 21; FIG.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the sealed container according to the present invention.

5 to 7 are views showing the sealed container of the present invention, Figure 5 is a breakaway perspective view of the main body and the lid constituting the sealed container, Figure 6 is a cross-sectional view showing a state before coupling of the sealed container of FIG. 7 is a cross-sectional view showing a state after coupling of the sealed container of FIG.

The airtight container in the present invention is characterized in that it is a configuration for reinforcing the hinge portion for repeated rotating operation of the lock blade. To this end, the present invention is based on reinforcing the hinge portion through double injection.

Furthermore, in order to solve the disadvantage that the foreign matter is inserted into the insert portion of the conventional hermetic packing, which is dirty and not easy to clean, the hermetic packing is opened in a manner in which the conventional hermetic packing is inserted into the groove of the lid to maintain hermeticity. It is an object of the present invention to provide a structure capable of maintaining confidentiality and maintaining cleanliness and hygiene.

For this purpose, the present invention provides a method of forming the lid of a container (hereinafter referred to as 'vessel lid') by softening at least a portion of the hinge portion 23, preferably by intermediate injection of the intermediate portion 24 of the hinge portion. It can be composed of a predetermined material. In addition, according to the present invention, a part of the upper surface of the locking blade 22 positioned outside the hinge portion 23 by the double injection, and preferably, the middle portion 25 of the upper surface may be made of a soft material. In addition, the airtight packing 26 may be formed by a soft material at the lower end of the circumferential portion 21 of the container lid 2 located inside the hinge portion 23.

In the present invention, the hinge portion 23 and the

parts

24 and 25 and the airtight packing 26 formed of a predetermined material soft by double injection are integrally formed with each other. In the following description, the injection molded product (D) is described. In addition, the soft material may be composed of a predetermined stretch material.

According to the figure, the airtight packing is provided integrally at the lower end of the circumference 21 of the container lid 2 by double injection, and is open to the outside. As such, the open airtight packing reduces the accumulation of foreign matters compared to the conventional fitting method and can be easily cleaned to maintain cleanliness.

The present invention provides a main body 1 (hereinafter referred to as a 'container main body') of a container corresponding to the open shape of the hermetic packing described above. Since the container main body 1 has the structure which the airtight packing 26 integrally formed in the lower end of the periphery part 21 of the container lid 2 opened by double injection | opening to the outside, it is airtight when closing the container lid 2 Preferably, the packing 26 is in close contact with each other to maintain hermeticity.

As a preferable example of the container body 1, the present invention is configured such that an upper portion of the side wall 11 forming the receiving recess 10 of the container body 1 is rounded outward to have an open shape. In particular, the upper end of the side wall 11 is preferably formed of a rounded curved portion 12.

In addition, the container lid 2 is formed so as to round the outer side, that is, the circumferential portion 21 of the upper plate 20 covering the receiving recess 10, the airtight packing 26 of the container body 1 It is preferable that the circumferential portion 21 is configured as an open rounded curved surface so as to be in close contact with the curved portion 12.

Meanwhile, in the present invention, the airtight packing 26 may be formed with a plurality of protrusions 26a embossed at the bottom to increase the adhesion and the airtightness when the container body 1 and the lid 2 are combined.

Hereinafter, the combination of the airtight container will be described with reference to FIGS. 6 and 7.

The airtight container of the present invention includes a support protrusion 20a at the bottom of the container lid 2 to support the container body 1 and the container lid 2. The support protrusion 20a supports the container lid 2 mounted on the container body 1, and the container body 1 has a step 13 on which the support protrusion 20a is placed. . In addition, the step 13 is formed inside the side wall 11, that is, the inner wall surface, preferably located below the curved portion 12 formed on the upper side of the side wall (11). The container body 1 and the container lid 2 before being combined are maintained in a state in which the support protrusion 20a and the step 13 are supported as shown in FIG. 6.

Reference numeral '22a', which is not described in the drawing, is a hook, and reference numeral '12a' is a locking groove.

Combination of the sealed container is locked by pressing the locking hook (22a) in the locking groove (12a) by pressing the lock wing 22 is rotated downward while the container lid (2) on the top of the container body (1) It becomes In this state, the airtight container can be kept airtight by the airtight packing located between the main body 1 and the lid 2.

8 to 9 show another example of the hermetic container according to the present invention. FIG. 8 is a cross-sectional view showing a state before coupling of the hermetic container, and FIG. 9 is a cross-sectional view showing a state after bonding of the hermetic container of FIG. to be.

According to the present embodiment, the airtight packing 26 'may be formed of a predetermined soft material by double injection into the curved portion 12 formed on the upper side of the side wall 11 of the container body 1.

In addition, the container lid 2 comprises at least a portion of the hinge portion 23, preferably the intermediate portion 24 of the hinge portion 23 by a soft injection of a predetermined material, and the hinge portion 23 A part of the upper surface of the locking blade 22 located outside of the upper surface, preferably the middle portion 25 of the upper surface, may be made of a soft material by double injection.

Therefore, the hermetic container of the present embodiment includes the

portions

23 and 25 of the hinge portion 23 and the locking blade 22 in which the airtight packing 26 'is formed of a predetermined soft material by the double injection. It is provided integrally on the upper side of the side wall 11 of the container body 1 in a separated state.

In the present embodiment, the soft material may be made of a predetermined stretchable material. In addition, the airtight packing 26 'may be formed with a plurality of protrusions 26'a embossed at the top to increase adhesion and airtightness when the container body 1 and the lid 2 are coupled.

10 to 11 show another example of the sealed container according to the present invention, FIG. 10 is a cross-sectional view showing a state before coupling of the sealed container, and FIG. 11 shows a state after coupling of the sealed container of FIG. It is a cross section.

In this embodiment, the airtight packings 27 and 27 'can be formed in the container main body 1 and the container lid 2, respectively, which constitute a sealed container. According to the present embodiment, the hermetic container forms an airtight packing 27 made of a soft material by double injection at the lower end of the circumferential portion 21 of the container lid 2 located inside the hinge portion 23. In addition, the airtight packing 27 'is formed of a predetermined soft material by double injection into the curved portion 12 formed on the upper side of the side wall 11 of the container body 1.

Therefore, the airtight packing 27 is integrally formed with the

parts

23 and 25 of the hinge portion 23 and the locking blade 22 formed of a predetermined soft material by double injection and at the same time, the airtight packing 27 'is integrally provided on the upper side of the side wall 11 of the container body 1 in a state of being separated from the

portions

23 and 25 of the hinge portion 23 and the locking blade 22.

In the present embodiment, the soft material may be made of a predetermined stretchable material. In addition, in the present embodiment, the airtight packings 27 and 27 'are preferably disposed inside and outside each other between the container body 1 and the container lid 2. In the drawing, the airtight packing 27 of the container lid 2 is shown to be located outside the airtight packing 27 'of the container body 1, but the reverse arrangement is also possible.

The airtight packings 27 and 27 'disposed inside and outside of each other are preferably spaced apart from each other so that a predetermined gap is provided. This is because the confidentiality can be further increased.

In addition, in the present embodiment, the airtight packings 27 and 27 'are embossed with a plurality of protrusions 27a and 27 respectively at the bottom or the top to increase the adhesion and the airtightness when the container body 1 and the lid 2 are combined. 'a) may be formed.

12 to 14 illustrate modifications of the present invention, and FIG. 12 extends the length of the airtight packing 26 shown in FIG. 6 so as to be formed on the entire lower end of the circumference 21 of the container lid 2. By doing so, the airtightness of the sealed container of the present invention can be improved.

FIG. 13 shows the sealed container of the present invention by lengthening the length of the airtight packing 26 ′ shown in FIG. 8 so as to be formed on the entire upper surface of the curved portion 12 formed on the top of the side wall 11 of the container body 1. Airtightness can be increased.

FIG. 14 shows the entire lower end of the circumference 21 of the container lid 2 and the upper surface of the curved portion 12 of the container body 1 by lengthening the length of the airtight packings 27, 27 'shown in FIG. By forming it in the whole, the airtightness of the airtight container of this invention can be improved.

Example 5

Fig. 15 shows another example of a sealed container according to the present invention, in which at least a part of the hinge portion 23, preferably the intermediate portion 24 of the hinge portion, is formed in the double injection in forming the container lid 2; It can comprise with a soft predetermined material by this.

In addition, a part of the upper surface of the lock blade 22 positioned outside the hinge portion 23 by the double injection, preferably both ends of the upper surface may be made of a predetermined material soft, and the hinge portion ( The hermetic packing 26 can be formed by a soft, predetermined material at the lower end of the circumference 21 of the container lid 2 located inside 23.

In the present embodiment, the soft material may be made of a predetermined stretchable material, and some portions 24 of the hinge part 23 and the locking blade 22 formed of the soft predetermined material by the double injection. 25 and the hermetic packing 26 are preferably made integral with each other.

Meanwhile, in the present invention, the step 13 formed on the inner wall surface of the container body 1 is recessed so that the support protrusion 20a can be more stably seated when the container lid 2 is placed on the container body 1. It may be rounded to form, or may be configured in a form standing on the curved portion 12 of the container body 1 so that one surface of the support protrusion 20a abuts.

In addition, in the present invention, the hinge portion 23 and the

parts

24 and 25 and the airtight packing 26 formed of a predetermined soft material by the double injection are soft materials of various colors. It is desirable to increase the aesthetics by double injection.

16 to 17 illustrate a modification of the main body constituting the sealed container of the present invention and a coupling relationship between the lid and the lid, and FIG. 16 is a cross-sectional view showing a state before the main body and the lid are coupled to each other, and FIG. Is a cross-sectional view showing a state after coupling with the lid.

The container body 1 has the same shape as that of which the upper part of the side wall 11 forming the accommodating recess 10 is rounded outwardly, and the upper end of the side wall 11 is formed of a rounded curved portion 12. The container lid 2 is formed so as to round the outer side, that is, the circumference 21 of the upper plate 20 covering the receiving recess 10, so that the airtight packing 26 is curved at the container body 1. The circumferential portion 21 is configured to have a rounded curved surface in an open form so as to be in close contact with (12).

In addition, a support protrusion 20a is provided at the lower portion of the container lid 2 to support the container lid 2 mounted on the container main body 1, and is provided below the curved portion 12 of the container main body 1. As a result, the inner wall of the side wall 11 is provided with a step 13 on which the support protrusion 20a is placed.

The container body 1 of the present invention has a sidewall 11 between a rounded rounded curved portion 12 formed at an upper end of the sidewall 11 and a step 13 formed below the curved portion 12. The inner wall surface of) is made up of the bent portion 12b which makes a steep slope as if cut down in a straight line. The formation of such a bent portion 12b makes the engagement of the container lid 2 much easier than the container body 1 with only the curved portion 12.

This can be clearly seen through FIGS. 16 and 17. As shown in FIG. 16, even if the container lid 2 is placed on the upper portion of the container body 1, the support protrusion 20a of the lower surface of the container lid 2 is curved. A slight slip occurs downward along the portion 12. Such slipping leads to a sudden descending by itself when reaching the bent portion 12b, and the support protrusion 20a reaches the upper surface of the step 13 as shown in FIG.

As described above, the closed container of the present invention, in which the bent portion 12b is additionally provided in the curved portion 12, moves the container lid 2 several times as in the prior art, without the hassle of adjusting the coupling position (the container lid) 2) Since it finds a position where it can be combined with the container body 1, it becomes more convenient to use.

On the other hand, the form having both the curved portion and the bent portion may be applied in the same manner, although not described separately in the above-described embodiments and other embodiments below.

18 is a sectional perspective view of a main body and a lid constituting the airtight container which is another embodiment of the present invention, and FIGS. 19 to 20 are cross-sectional views illustrating states before and after the airtight container of FIG.

In the present embodiment, the airtight container covers the container body 1 ′ in which the upper part of the side wall 11 forming the accommodating recess 10 is rounded outward to cover the upper part of the accommodating recess 10. It consists of a container lid 3 with a top plate 30.

The container body 1 'is formed into a rounded curved portion 12 so that the upper end of the side wall 11 is rounded outward, and the container lid 3 has a circumferential portion 31 formed on the outside of the upper plate 30. It is preferable to form rounded outward so as to correspond to the rounded curved portion 12 of the container body 1 '.

An airtight packing 37 is coupled to the bottom of the circumferential portion 31 in each direction in order to increase adhesion and airtightness when the container body 1 ′ and the lid 3 are coupled to each other. In order to engage the hermetic packing 37, the present invention forms the fixing projections 31a facing each other at predetermined intervals on the bottom of the circumference 31, and between the fixing projections 31a of the hermetic packing 37. A fitting groove 31b for inserting and fixing is formed.

In addition, the sealed container of the present invention is provided with a support protrusion (30a) in the lower portion of the container lid (3) to support between the container body (1 ') and the container lid (3). The support protrusion 30a supports the container lid 3 mounted on the container body 1 ', and the container body 1' has a step 13 on which the support protrusion 30a is placed. Equipped. In addition, the step 13 is formed inside the side wall 11, that is, the inner wall surface, preferably located below the curved portion 12 formed on the upper side of the side wall (11). The container body 1 ′ and the container lid 3 before the coupling are held in a state in which the support protrusions 30a and the step 13 are supported as shown in FIG. 18.

Reference numeral '32a', which is not described in the drawing, is a hook, '12a' is a locking groove, '32' is a locking wing, and '33' represents a hinge portion, respectively.

The combination of the sealed container of the present invention according to FIGS. 18 and 19 to 20, the locking hook 32 is rotated downward while the container lid 3 is placed on the upper portion of the container body 1 ', and the hook hook ( 32a) is caught by the locking groove 12a and is locked. In this state, the airtight container is in close contact with the curved portion 12 in a state where the airtight packing 37 located between the main body 1 'and the lid 3 is pressed by a strong pressure, thereby preventing airtightness of the accommodation recess 10. It is possible to maintain and safe storage of the contents therefrom.

FIG. 21 is a sectional perspective view of a main body and a lid constituting the airtight container of another embodiment of the present invention, and FIGS. 22 to 23 are cross-sectional views illustrating states before and after the airtight container of FIG.

In the present embodiment, the airtight container covers the container body 1 ″ having the upper portion of the side wall 11 forming the accommodating recess 10 and is opened outward to cover the upper portion of the accommodating recess 10. It consists of a container lid 4 provided with a top plate 40.

The container body 1 ″ is formed into a rounded curved portion 12 so that the upper end of the side wall 11 is rounded outward, and the container lid 4 has a periphery of the upper plate 40 covering the receiving recess 10. It is preferable that the circumferential portion 41 is in close contact with the curved portion 12 of the container body 1 ″.

In particular, in the case of the circumference portion 41, it is preferable that the bottom surface is configured to form a parallel line with respect to the curved portion 12, in which case the top surface of the upper plate 40 and the bottom surface of the circumference portion 41 are substantially positioned at the same height. do.

An airtight packing 47 is coupled to the bottom of the circumference 41 in each direction to increase the adhesion and airtightness when the container body 1 ″ and the lid 4 are coupled. In order to engage the hermetic packing 47, the present invention forms opposite fixing protrusions 41a at predetermined intervals on the bottom surface of the circumferential portion 41, and between the fixing protrusions 41a of the hermetic packing 47. A fitting groove 41b for inserting and fixing is formed.

The airtight container of the present invention is provided with a support protrusion 40a at the bottom of the container lid 4 to support between the container body 1 ″ and the container lid 4. The support protrusion 40a supports the container lid 3 placed on the container body 1 ″, and the container body 1 ″ has a step 13 on which the support protrusion 40a is placed. Equipped. In addition, the step 13 is formed inside the side wall 11, that is, the inner wall surface, preferably located below the curved portion 12 formed on the upper side of the side wall (11). The container body 1 ″ and the container lid 3 before being joined are maintained in a state where the support protrusion 40a and the step 13 are supported as shown in FIG. 21.

Reference numeral '42a', which is not described in the drawings, is a hook, '12a' is a locking groove, '42' is a locking wing, and '43' represents a hinge portion, respectively.

The combination of the sealed container of the present invention according to FIGS. 21 and 22 to 23 rotates the locking blade 42 downward when the container lid 4 is placed on the upper portion of the container body 1 ″, and then the hook hook ( 42a) is caught by the locking groove 12a and is locked. In this state, the airtight container is in close contact with the curved portion 12 in a state where the airtight packing 47 located between the main body 1 ″ and the lid 4 is pressed by a strong pressure, thereby preventing airtightness of the accommodation recess 10. It is possible to maintain and safe storage of the contents therefrom.

On the other hand, the container body in the present invention has been described as an example of a glass material, both the container body and the container lid may be composed of various plastic or synthetic resin materials such as polyethylene or polypropylene, if the container lid is formed of polyethylene The soft material may be selectively formed by using a soft material having excellent adhesion to polyethylene, for example, an elastomer, a santoplan, a mixture thereof, or various other compounds.

As described above, the present invention has a structure in which the packing part is integrally formed during injection of the lid, thereby eliminating the work of inserting the packing of the silicon material into the groove of the container lid, thereby reducing the labor time and improving productivity and reducing labor costs. You can do it.

In addition, the present invention by the structure of the packing portion of the lid is opened to solve the problem that the foreign matter between the lid and the packing as in the prior art is easy to clean and can provide a more hygienic container lid.

In addition, the present invention improves the durability of the hinge part by double-injecting a part of the container lid and its fastening portion, that is, the container lid and the wing portion, and the hinge portion connecting them with a predetermined soft material, and by double-injecting the soft material of various colors Aesthetic senses can be enhanced.

Claims

A container body in which an upper portion of the side wall forming the receiving recess is rounded outward to form a curved portion, and

And a container lid including a container lid having a circumferential surface close to the curved portion of the container body, the periphery of the upper plate covering the housing recess.
The method of claim 1,

The container lid is

The circumference of the container is characterized in that the outer surface is rounded to form a rounded curved shape, or the bottom surface of the circumference is parallel to the curved portion formed on the top of the side wall of the container body.
The method of claim 2,

The container lid is a sealed container, characterized in that at least a portion of the hinge portion located outside the circumference portion is made of a predetermined soft material by double injection.
The method of claim 3,

The container lid is a sealed container, characterized in that at least a portion of the locking blade located outside the hinge portion is made of a predetermined soft material by double injection.
The method of claim 3,

The container lid is a sealed container, characterized in that the airtight packing is formed integrally with a predetermined material of the soft by a double injection into the lower end of the circumference of the upper plate located inside the hinge portion.
The method of claim 3,

The container body is a sealed container, characterized in that the airtight packing is formed integrally with a predetermined material soft by double injection into the curved portion formed on the top of the side wall.
The method according to claim 5 or 6,

The hermetic packing is provided in an open shape to the outside, the upper and lower open end surface is characterized in that the container is characterized in that a plurality of embossed protrusions formed.
The method of claim 6,

The hermetic packing is formed at the lower end of the curved portion and the circumference at the same time, the container between the container body and the container lid, characterized in that it is disposed inside and outside each other.
The method of claim 2,

The container lid is a sealed container characterized in that a plurality of fixing projections opposed to each other at a predetermined interval on the bottom surface of the circumference, forming a fitting groove between the fixing projections to insert and fix the airtight packing.
The method of claim 9,

The container lid is provided with a support protrusion at the bottom, the container closed, characterized in that the stepped portion is formed in the inside of the container body is the support projection.
The method of claim 10,

The stepped container is characterized in that formed on the inner wall surface of the side wall under the curved portion.
The method of claim 11,

The step is formed in a concave round shape so that the support projections can be stably seated when the container lid is raised on the container body, or in a form standing up against the curved portion of the container body so that one surface of the support protrusions abuts. Hermetic container, characterized in that configured.
The method of claim 10,

The container body is characterized in that the container consisting of a bent portion having a steep inclination as the inner wall surface of the side wall is sharply lowered between the curved portion formed on the side wall and the step.
Forming a container body such that an upper portion of the side wall forming the receiving recess is rounded outward to form a curved portion; And

And forming a container lid such that the periphery of the upper plate covering the receiving recess is a circumferential portion that can be brought into close contact with the curved portion of the container body,

The container lid is a manufacturing method of the closed container characterized in that the circumference is rounded outward to form a round curved surface of the open shape or the bottom surface of the circumference is parallel to the curved portion formed on the upper side of the side wall of the container body. .
The method of claim 14,

The container body is characterized in that the interior of the curved wall formed between the curved portion formed in the side wall and the stepped portion formed in the inner wall surface of the side wall is a bent portion having a steep inclination as if the inner wall surface of the side wall is straight down. Method for producing a container.