TWI522288B - Microwave ventilation container - Google Patents

Description

Microwave exhaust container

The present invention relates to a container for microwaves, and more particularly to a container for microwaves having an exhaust effect.

The microwave container has been a common food preservation tool in modern life. In practical applications, the microwave container not only needs to have a good sealing function, but also needs a timely and appropriate exhaust effect to achieve preservation in a good sealed condition. And provide channel exhaust during microwave heating to avoid high pressure causing container blasting.

Please refer to the first and second figures, which are a prior art silicone microwave container structure (No. M423529 of the Republic of China) having a top cover 60, a venting zone 70, a close-contact aperture 72 and a perforation 72A. When the microwave container 20 is used for preserving food, the close-fitting hole 72 of the venting zone 70 is kept in a sealed state; when the microwave container 20 is heated by the microwave, the pressure inside the container becomes large, so that the close-fitting hole 72 of the venting zone 70 becomes a perforated 72A. At this time, the gas in the container is discharged through the perforation 72A to prevent the container from being blasted. However, since the patent places the perforation 72A for the exhaust gas on the top cover 60, when the bottom container 62 is resized or shaped, the top cover 60 needs to be correspondingly changed, resulting in mass production inconvenience. . In addition, the perforations are placed above the container, and the external contaminants may settle on the food through the perforations when they fall.

Please refer to the third figure, which is a prior art packaging device (No. M430488 of the Republic of China), having a casing 10 and a film 40 fixed to the casing 10, and the top ring edge 13 of the casing 10 is provided. There is at least one dummy connection zone 14, and the dummy connection zone 14 is coated with a medium 30 to cause the dummy connection zone 14 of the casing 10 to be falsely adhered to the film 40, and the food is preserved by the confined space in the packaging device. Packaging device After heating by the microwave, the adhesion of the dummy joint region 14 is lowered, and at this time, the heated gas is allowed to open the dummy joint region 14 to form an exhaust passage. However, the packaging device of this patent must be coated with the medium 30 on the top rim 13 of the casing 10. This step increases the cost of control and materials in production, and the influence of the medium 30 on the food may need to be strictly controlled. tube.

In view of the above-mentioned shortcomings of the prior art, it is necessary for the industry to improve the conventional microwave exhaust container.

Based on the above-mentioned deficiencies of the prior art, the problem to be solved by the present invention is to provide a microwave exhaust container for providing a good sealing effect when used for preserving food, and forming an exhaust passage when microwave heating At the top of the top of the container, prevent contaminants from settling on the food and achieve the effect of venting.

In order to solve the above problems, in one aspect of the present invention, a microwave exhaust container is provided which includes a container body having a top annular peripheral surface and at least one opening, the top annular peripheral surface surrounding the opening. Wherein the top annular peripheral surface is provided with at least one pattern structure, the pattern structure is composed of a plurality of continuous convex portions and a plurality of concave portions, each of the convex portions being a part of the top annular peripheral surface, in the present invention In one embodiment, the continuous convex portions are in a zigzag shape; in some embodiments of the present invention, the concave portions are selected from one of a triangular shape, a trapezoidal shape, and a petal shape. However, the embodiment of the pattern structure of the present invention is not limited to the foregoing structure, and various pattern structures which can produce weak bonding strength with the film but maintain a sealing joint relationship are included in the present invention.

According to the above concept, the microwave exhaust container further includes a protruding portion extending outward from the top annular peripheral surface with respect to the pattern structure. Preferably, the protrusion is formed integrally with the container system. More preferably, the aforementioned top annular peripheral surface further comprises another pattern structure away from the projection.

According to the above concept, the microwave exhaust container further includes a film sealing joint to the top annular peripheral surface, and the pattern structure is bonded to the film. The strength is weaker than the bonding strength of the other regions of the top annular peripheral surface to the film. It is worth mentioning that the region of the film sealingly engaging the top annular peripheral surface constitutes at least one venting zone.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

First, a first embodiment of the present invention will be described. Referring to the fourth drawing, which is a perspective exploded view of the microwave exhaust container of the present embodiment, the container body 110 includes a container body 110 and a film 120, wherein the container body 110 has a chamber for containing edible contents. The fifth figure is a top view of the container body 110. The container body 110 has an opening 111 and a top annular peripheral surface 112. The top annular peripheral surface 112 has an outer edge and an inner edge, wherein the inner edge surrounds the opening 111. The top annular peripheral surface 112 has at least one pattern structure 113 formed by a plurality of continuous convex portions 1131 and a plurality of concave portions 1132. Each of the convex portions 1131 is connected to an inner edge and an outer edge of the top annular peripheral surface 112, and each of the convex portions 1131 is a part of the top annular peripheral surface 112 such that the continuous convex portions 1131 are formed. A jagged structure. The film 120 sealingly bonds (eg, bonds) the top annular peripheral surface 112 to completely cover the opening 111. Thus, the microwave exhaust container of the present embodiment provides a sealed space for preserving food, and the container body 110 is The contents contained in the contents are not contaminated by the external environment. In the present embodiment, the continuous convex portions 1131 of the pattern structure 113 are bonded to the film 120, but the concave portions 1132 are not bonded to the film 120, so that the bonding area of the pattern structure 113 and the film 120 is relatively smaller than the film The bonding area of the other portion of the top annular peripheral surface 112 to the film 120 further causes the bonding strength of the pattern structure 113 and the film 120 to be relatively weaker than the bonding strength of the other regions of the top annular peripheral surface 112 to the film 120. . In the present embodiment, the junction area of the pattern structure 113 and the film 120 constitutes an exhaust zone. In the microwave exhaust container of the present embodiment, after the microwave is heated, the pressure in the sealed space rises due to the high-temperature hot gas, and the film 120 of the exhaust region having a weak joint strength is forced to be separated from the pattern structure 113 to form at least one. An exhaust passage through which the hot gas in the sealed space passes Out, thereby preventing the pressure in the confined space from being excessively caused to cause the container to blast. It is to be noted that, in the present invention, the pattern structure of the container body in the venting zone is not limited to a continuous zigzag pattern, and may be composed of a plurality of continuous arbitrarily shaped convex portions and a plurality of arbitrarily shaped concave portions. And the continuous protrusions are part of the top annular peripheral surface. For example, the recesses of the pattern structure of the present invention may be triangular, trapezoidal, and petal shaped. Furthermore, the container body 110 can have two spaced chambers (not shown) as needed to respectively hold different edible contents, and the two chambers respectively have an opening, and the top annular periphery Face 112 surrounds the aforementioned two openings.

Next, a second embodiment of the present invention will be described. Please refer to the sixth and Fig. 7 is a schematic top plan view and a perspective view showing the microwave exhaust container of the present embodiment. In a second embodiment of the present invention, the container body 210 has a projection 214 formed on the opposite side of the pattern structure 213 and extending outwardly from the top annular peripheral surface 212 of the container body 210. The other structure of the microwave exhaust container of the present embodiment is the same as that of the first embodiment, and will not be further described herein. Furthermore, the film 220 sealingly engages the top annular peripheral surface 212 and forms a weakest venting region at the pattern structure 213. When the microwave of the container of the present embodiment is heated, the protrusion 214 provides a better and safe hand-held position for the user to avoid hand discomfort caused by high food temperature or steam in the exhaust area when the container is heated by hand. Or burns. In the present invention, the projection 214 is disposed at a position away from the exhaust region. The protrusion 214 is preferably integrally formed with the container body 210. In addition, the protruding portion 214 of the present embodiment preferably has a horizontal plane lower than a horizontal plane of the top annular peripheral surface 212 for the film 220 and the protruding portion 214 when the film 220 is sealingly engaged with the top annular peripheral surface 212. Naturally, there is a height difference, whereby the protruding portion 214 of the microwave exhaust container of the present embodiment provides a user with a better film tearing position, so that the user can separately hold the film 220 when the film 220 is peeled off. After a large area of the protruding portion 214 and the film 220 having a height difference from the protruding portion 214, the film 220 is detached from the container body 210 to avoid the need for the user to heat the container of the present invention after microwave heating. The inconvenience of finding the tear-off position or the risk of being torn off by the venting zone. Preferably, The surface of the protruding portion 214 of the embodiment has a texture pattern 2141 to increase the frictional force when the hand is held.

Next, please refer to the eighth to tenth drawings, which depict the second embodiment of the present invention. Three variations of the way. As shown in FIG. 8 , the pattern structure 213 may also be composed of a plurality of continuous convex portions 2131 and a plurality of trapezoidal concave portions 2132 , and the continuous convex portions 2131 are a part of the top annular peripheral surface 212 . As shown in the ninth figure, the pattern structure 213 may also be composed of a plurality of continuous convex portions 2133 and a plurality of trapezoidal concave portions 2134, and the continuous convex portions 2133 are a part of the top annular peripheral surface 212. As shown in the tenth figure, the pattern structure 213 may also be composed of a plurality of continuous convex portions 2135 and a plurality of petal-shaped concave portions 2136, and the continuous convex portions 2135 are a portion of the top annular peripheral surface 212. Share. Other configurations of the above-described variations are the same as those of the second embodiment described above except for the pattern structure 213, and no further details are provided herein. Furthermore, the pattern structure 113 of the first embodiment of the present invention may be replaced by the pattern structure 213 of the eighth to tenth variations.

Please refer to FIG. 11 , which depicts another variation of the second embodiment of the present invention, wherein the container body 210 has two pattern structures 215 away from the protrusion 214 , the pattern structure 215 and the first embodiment The pattern structure 113 is the same to provide the exhaust gas container for microwaves of the present invention to form two exhaust passages after microwave heating. Other configurations of the present modification are the same as those of the second embodiment described above, and are not described herein again. In addition, the pattern structure 215 can also be replaced by the pattern structure 213 of the eighth to tenth views.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

20‧‧‧ container body

60‧‧‧Top cover

62‧‧‧ bottom container

64‧‧‧ accommodating space

70,113,213‧‧‧Exhaust zone

72‧‧‧ Close to the pores

72A‧‧‧Perforation

90‧‧‧ substances

10‧‧‧Box

11‧‧‧Content Room

12‧‧‧Open mouth

13‧‧‧Top ring

14‧‧‧false connection area

30‧‧‧Media

40,120,220‧‧‧film

110,210‧‧‧ container body

111‧‧‧ openings

112,212‧‧‧Top annular peripheral surface

1131, 2131, 2133, 2135‧‧ ‧ convex

1132, 2132, 2134, 2136‧‧‧ recess

113,213,215‧‧‧ pattern structure

214‧‧‧ protruding parts

2141‧‧‧ Grain

The first figure is a schematic view of a prior art silicone plastic microwave container structure before heating.

The second figure is a schematic diagram of a prior art silicone plastic microwave container structure after heating.

The third figure is a schematic exploded view of a prior art packaging device.

The fourth drawing is a perspective exploded view of the microwave exhaust container according to the first embodiment of the present invention.

Fig. 5 is a schematic top view of the microwave exhaust container according to the first embodiment of the present invention.

Fig. 6 is a top plan view showing a microwave exhaust container according to a second embodiment of the present invention.

Fig. 7 is a perspective view showing a microwave exhaust container according to a second embodiment of the present invention.

Figure 8 is a top plan view showing a modification of the second embodiment of the present invention.

Figure 9 is a top plan view showing a modification of a second embodiment of the present invention.

Fig. 10 is a top plan view showing a modification of a second embodiment of the present invention.

Figure 11 is a top plan view showing a modification of the second embodiment of the present invention.

110‧‧‧ container body

112‧‧‧Top annular peripheral surface

113‧‧‧pattern structure

1131‧‧‧ convex

1132‧‧‧ recess

Claims (8)

An exhaust container for microwaves, comprising: a container body having a top annular peripheral surface and at least one opening, the top annular peripheral surface surrounding the opening; wherein the top annular peripheral surface is provided with at least one pattern structure The pattern structure is composed of a plurality of continuous convex portions and a plurality of concave portions, each of the convex portions being a part of the top annular peripheral surface. The microwave exhaust container according to claim 1, wherein the continuous convex portions are in a zigzag shape. The microwave exhaust container of claim 1, wherein the recesses are selected from any of the following shapes: triangular, trapezoidal, and petal. The microwave exhaust container of claim 1, further comprising a protrusion extending outward from the top annular periphery with respect to the pattern structure. The microwave exhaust container of claim 4, wherein the protruding portion is integrally formed with the container body. The microwave exhaust container of claim 4, wherein the top annular peripheral surface further comprises another pattern structure away from the protrusion. The microwave exhaust container according to claim 1, further comprising a film sealing joint to the top annular peripheral surface, and the joint structure of the pattern structure and the film is weaker than other regions of the top annular peripheral surface. Bonding strength to the film. The microwave exhaust container according to claim 7, wherein the pattern structure region of the film sealingly joining the top annular peripheral surface constitutes an exhaust region.