JP2015525715A - Sealed container lid assembly - Google Patents

Abstract

The present invention relates to a lid assembly for an airtight container, and its purpose is to improve the structure of the lid assembly so that the lid body and the lock blade part can be molded and integrated with different materials, and various products can be obtained. It is to be able to effectively apply a tritan resin, which is a material having excellent transparency and being environmentally friendly. SOLUTION: An injection molding is performed through a synthetic resin so as to cover an upper portion of a sealed container 100, a slot-shaped embedded groove 211 is provided in a strip shape along an edge of an upper surface, and a packing groove 212 is provided in a strip shape on an edge of the lower surface. A lid body 210 formed; after the lid body 210 is inserted into a synthetic resin injection mold, it is injection-molded in a ring shape through the synthetic resin so as to surround the edge of the lid body 210, and the lid body 210 is embedded inside An inner locking step 221 that is molded and locked inside the groove 211 is provided, and an outer locking step 222 that is locked to the lower end of the outer wall of the packing groove 212 while surrounding the edge of the lid main body 210 is provided on the outer side. The frame 223 is integrated with the edge of the frame 223 through a snap hinge portion 224 at a predetermined interval, and is elastically locked to the locking protrusion 110 of the sealed container 100. A lid frame member 220 having lock blades 226 each having a lock step 225; and a silicon packing 230 installed in the packing groove 212 of the lid body 210 and in close contact with the opened upper portion of the sealed container 100. . [Selection] Figure 1

Description

  The present invention relates to a closed container lid assembly, and more particularly to a “closed container lid assembly” to which a lock function can be applied so that food can be safely stored and stored without outflow of smell or moisture.

  Generally, when food is stored in a refrigerator or the like, its own unique odor and moisture flow out, so that food is stored in a sealed container to prevent this. Such a conventional sealed container includes a container body having an open top and a lid provided with lock blades so that the container body can be opened and closed. The container body is injection-molded into a rectangular shape or a cylindrical shape using a synthetic resin as a raw material, and a storage space is formed inside. Further, the open end of the side wall of the container body is provided so that a locking projection for locking the lock blade projects. The lock blades are integrally pivoted outward along the edge of the lid, and each is provided with a locking step so as to be locked to the locking protrusion. Therefore, after the lid is put on the upper part of the container body and each lock blade is pushed downward, the locking step is elastically coupled to the locking projection of the container body, and the lid is securely locked. When the lock blade is lifted upward, the restraint stage is released and the lid can be opened.

  However, the conventional sealed container has the disadvantage that the container body made of synthetic resin (PP) easily discolors depending on the stored contents, and recently, a negative image of environmental hormones specific to synthetic resin. This reduces the purchasing power of the product. In particular, the material of the container body and the lid is polypropylene (polypropylene; referred to as “PP”), which is a thermoplastic resin obtained by polymerizing propylene, which is excellent in softness but poor in transparency.

  In addition, recently, a tritan resin that does not induce environmental hormones and has excellent transparency (“Tritan” is a registered trademark, and the same applies hereinafter) may be used. This tritan resin is a new environmentally friendly material newly developed by a company called Eastman Chemical, a global company in the United States. It is harmful to the human body including bisphenol-A (BPA), an environmental hormone suspicious substance. It is a pure polyester raw material that does not contain any plasticizers, and has all the advantages (transparency) of plastic and glass, and is used in sealed container products. However, while the tritan resin is excellent in transparency, it is not flexible, so it cannot be applied to a lid product having lock blades. In other words, when a “lid product integrally provided with lock blades” that is repeatedly folded is molded from tritan resin, the snap-hinge portion of the lock blades is easily damaged.

  As a result, recently, the container body is manufactured using tritan resin as a raw material, and the lid with lock blades is manufactured using polypropylene (PP) resin as a raw material. The overall product purchasing power is lost by the container lid made as.

  The present invention is for solving such problems, and an object of the present invention is to improve the structure of the lid assembly so that the lid body and the lock blade portion can be molded and integrated with different materials. Another object of the present invention is to provide a “closed container lid assembly” which can produce products in various ways and can effectively apply a tritan resin which is excellent in transparency and is environmentally friendly.

  Another object of the present invention is to apply a new Tritan material, which has all the advantages of plastic and glass, to the lid of a hermetic container, and also to integrate a lock blade that requires softness to provide a locking function. An object of the present invention is to provide a “closed container lid assembly” that can be embodied.

  In order to achieve the above object, the present invention provides a closed container lid assembly that can open and close a closed container provided with a locking projection on an opened upper edge, wherein the lid assembly includes the closed container. A lid body which is injection-molded through a synthetic resin so as to cover the upper part, and a slot-shaped embedded groove is provided in a strip shape along the edge of the upper surface, and a packing groove is provided in a belt shape on the edge of the lower surface; After placing the insert in the synthetic resin injection mold, it is injection-molded in a ring shape through synthetic resin so as to surround the edge of the lid body, and inside is molded and locked inside the embedding groove of the lid body A frame is provided with a locking step, and an outer locking step is provided on the outer side to be locked to the lower end of the outer wall of the packing groove while surrounding the edge of the lid main body, and snaps at regular intervals to the edge of the frame. One through the hinge And a lid frame member provided with lock blades each formed with a locking step so as to be elastically locked to the locking projection of the sealed container; and installed in a packing groove of the lid body and sealed A silicon packing that is in close contact with the opened upper portion of the container.

  Further, the present invention is characterized in that a lid body of the lid assembly is molded from a tritan resin, and a lid frame member of the lid assembly is molded from a polypropylene resin.

  According to the “closed container lid assembly” according to the present invention having the above-described configuration, after the lid assembly is molded through the tritan resin having the advantages of plastic and glass, the lid having lock blades is formed on the lid assembly. By integrating the frame members, it is possible to produce products more diversely with different materials, and it is possible to effectively apply the tritan resin, which is excellent in transparency and environmentally friendly, to the lid assembly. .

  Further, according to the “closed container lid assembly” according to the present invention, a new Tritan material having all the advantages of plastic and glass can be applied to the lid of the closed container, and a lock blade requiring softness is integrated. There is an effect that a lock function can be realized by making it, and there is an advantage that products can be differentiated by applying lid frame members made of lock blades in various colors.

It is the figure which showed the lid assembly based on this invention applied to the airtight container of a ball | bowl form. It is a perspective view of the lid assembly for closed containers concerning the present invention. FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2, and is a cross-sectional view of a lid assembly for a closed container according to the present invention. It is the perspective view which extracted and showed the lid body of the lid assembly concerning the present invention. FIG. 5 is a cross-sectional view taken along line VV in FIG. 4, illustrating a cross-sectional structure of the lid body according to the present invention. It is the perspective view which extracted and showed the lid frame member of the lid assembly concerning the present invention. It is sectional drawing which follows the VII-VII line of FIG. 6, Comprising: It is the figure which showed the cross-section of the lid frame member which concerns on this invention. It is sectional drawing which showed the use condition of the airtight container lid assembly which concerns on this invention.

  Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 to FIG. 7 are diagrams showing a configuration of a lid assembly according to the present invention, and FIG. 8 is a diagram showing a use state of the lid assembly according to the present invention. is there.

<Description of Configuration of Sealed Container Lid Assembly According to the Present Invention>
Referring to FIGS. 1 and 2, the lid assembly 200 for a sealed container according to the present invention applies a locking function to the sealed container 100 having an open upper edge and a locking projection 110 in the form of an outward flange. A lid body 210 that is injection-molded through synthetic resin so as to cover the upper part of the sealed container 100, and is molded and manufactured through synthetic resin so as to surround the edge of the lid body 210. It consists of a lid frame member 220 in which a plurality of lock blades 226 are integrated, and a silicon packing 230 disposed along the lower surface edge of the lid body 210.

  The lid assembly 200 is molded and integrated through different materials from which the lid body 210 and the lid frame member 220 are not fused. The detailed structure of each component for this purpose is as follows. .

  First, referring to FIG. 3 to FIG. 5, the lid body 210 is injection-molded through synthetic resin so as to cover the upper part of the sealed container 100, and a slot-shaped embedded groove 211 is provided in a strip shape along the edge of the upper surface, A packing groove 212 is formed in a band shape on the edge of the lower surface. In the embodiment of the present invention, the lid main body 210 has a shape capable of covering the upper part of the sealed container 100 in a substantially dome shape, and a tritan resin, which is a new environmentally friendly material, is applied as the material thereof. The reason why the tritan resin having all the advantages of plastic and glass can be applied to the lid main body 210 is that the lock blade 226 portion requiring flexibility is separately formed as described later.

  3, 6, and 7, the lid frame member 220 constituting the lid assembly 200 is also manufactured through the synthetic resin injection mold. That is, after the lid body 210 manufactured through the tritan resin is inserted into the synthetic resin injection mold, the lid frame member 220 is injection-molded in a ring shape through the synthetic resin so as to surround the edge of the lid body 210. The lid frame member 220 is provided with an inner locking step 221 that is molded and locked inside the embedding groove 211 of the lid main body 210 on the inner side, and the outer wall of the packing groove 212 while surrounding the edge of the lid main body 210 on the outer side. A frame 223 provided with an outer locking step 222 to be locked to the lower end of the side is integrated with the edge of the frame 223 through a snap hinge portion 224 at a predetermined interval, and is elastically applied to the locking protrusion 110 of the sealed container 100. The lock blade 226 is formed with a lock stage 225 so as to be engaged with the lock blade 226. In the embodiment of the present invention, the lid frame member 220 is molded from a polypropylene resin capable of exhibiting excellent softness at the snap hinge portion 224, and this is a secondary injection of the lid body 210 that is primarily molded from a tritan resin. Molded after placing the insert in the mold. Further, in such a lid frame member 220, due to the characteristics of the material, a shrinkage change of about 12/1000 is performed in the process of being cured after being molded. The frame 223 of 220 is reliably integrated with the edge portion of the lid main body 210 without a separate adhesive member.

  As described above, the silicon packing 230 (see FIG. 3) is housed and installed in the packing groove 212 of the lid main body 210, and is in close contact with the opened upper portion of the sealed container 100, whereby the sealed container 100 is sealed. Can be sealed.

  Eventually, when the lid assembly 200 is configured to have the above-described structure, the lid body 210 is primarily molded with Tritan, which is an environmentally friendly material that has the advantages of plastic and glass. Is inserted into the injection mold of the lid frame member 220, and then the lid frame member 220 is molded of polypropylene resin capable of exhibiting considerable flexibility at the snap hinge portion 224. Can be made of materials.

  Accordingly, by producing the lid frame member 220 with different hues, the product of the lid assembly 200 of the sealed container 100 can be produced in a variety of ways, and the tritan resin, which is a material having excellent transparency and environmental friendliness. Can be applied effectively. In particular, a new tritan material can be applied to the lid assembly 200 of the sealed container 100, and a lock function can be realized by integrating the lock blades 226 that are required to be flexible.

<Instructions for using the lid assembly according to the present invention>
Below, the use condition of the lid assembly for closed containers concerning this invention comprised in this way is demonstrated with reference to FIG.

  First, when the lid assembly 200 according to the present invention is covered on the upper part of the sealed container 100, the opened upper edge of the sealed container 100 comes into contact with the silicon packing 230 disposed on the lower surface edge of the lid body 210.

  When each lock blade 226 of the lid assembly 200 is pushed downward in such a state, the lock stage 225 is locked to the locking protrusion 110 and fixed while turning around the snap hinge portion 224. At this time, since the lock stage 225 of the lock blade 226 is fixed while being elastically deformed, the locked state is not released unless an artificial force is applied.

  On the other hand, when the lock blade 226 is grasped and lifted upward, the lock step 225 portion of the lock blade 226 comes out of the locking projection 110 while being elastically deformed. Therefore, the closed container 100 can be easily opened by releasing the lock state of the lock blade 226.

  On the other hand, in the embodiments of the present invention, the case where the lid assembly for the closed container is a circular type has been described. However, the present invention is not limited to this, and the present invention can be applied to a square or rectangular lid assembly. Of course, technical ideas can be applied.

  INDUSTRIAL APPLICABILITY The present invention can be widely used in the field of “closed container lid assembly” for sealing the upper part of a closed container for containing and storing food.

100 Sealed container 110 Locking protrusion 200 Cover assembly 210 Cover body 221 Inner locking stage 222 Outer locking stage 223 Frame 224 Snap hinge 225 Locking stage 226 Locking blade 230 Silicon packing

Claims (2)

In the closed container lid assembly capable of opening and closing the closed container (100) provided with the locking protrusion (110) on the opened upper edge,
The lid assembly (200) includes:
It is injection-molded through synthetic resin so as to cover the upper part of the hermetic container (100), and a slot-shaped embedded groove (211) is provided in a strip shape along the edge of the upper surface, and a packing groove (212) is formed on the edge of the lower surface. A lid body (210) provided in a band shape;
After the lid body (210) is inserted into the synthetic resin injection mold, the lid body (210) is injection-molded in a ring shape through the synthetic resin so as to surround the edge of the lid body (210), and inside the lid body (210). An inner locking step (221) that is molded and locked inside the embedding groove (211) is provided, and an outer wall lower end of the packing groove (212) is surrounded on the outer side while surrounding the edge of the lid body (210). A frame (223) provided with an outer locking step (222) to be locked to the frame, and an edge of the frame (223) are integrated through a snap hinge part (224) at a predetermined interval, and the sealed container (100 Each of the locking blades (226) formed with a locking step (225) so as to be elastically locked to the locking projections (110) of the cover frame member (220);
A silicon packing (230) installed in the packing groove (212) of the lid body (210) and in close contact with the opened upper portion of the sealed container (100);
A lid assembly for an airtight container, comprising: The lid body (210) of the lid assembly (200) is molded of tritan resin,
The lid frame member (220) of the lid assembly (200) is formed of polypropylene resin.
The lid assembly for an airtight container according to claim 1.

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