TWI660889B - Improved structure of sandwich package having contaminant-proof sheet - Google Patents

Abstract

The invention provides an improved structure of a sandwich packaging bag with an antifouling sheet, wherein the antifouling sheet includes a free end and a fixed end, and at least a part of the fixed end is joined to the body of the sandwich packaging bag, and the free end is opposite to the fixed end and is convenient for preventing The other part of the stain sheet except the fixed end can move. Therefore, the antifouling sheet provided by the improved structure of the sandwich packaging bag of the present invention can be shaken with the content food, and can be adhered to the surface of the content food at any time, so as to prevent the food material from sticking to the packaging bag body, so as to maintain the appearance of the packaging bag.

Description

Improved structure of sandwich packaging bag with antifouling sheet

The invention relates to a sandwich packaging bag structure, in particular to an improved structure of a sandwich packaging bag with an antifouling sheet.

Nowadays, the food culture is flourishing and the food packaging technology is also increasing day by day. The design focus of the food packaging bag structure must not only make it easy for users to access the contents of food and the hygiene of food packaging, but also design so that the content food can be maintained during the transportation process. Full look.

Please refer to the first figure, which is a traditional sandwich bag structure with antifouling sheet, which includes a first outer membrane and a second outer membrane to form a body 10, and the body 10 includes a hand-held portion 11, a receiving portion 12, an opening 13, and an anti- The staining sheet 14 and the anti-staining sheet 14 can be used to prevent the outer food of the body 10 from being stained by the content food to affect the appearance.

In addition, the hand-held portion 11 may include an easy-to-cut seam portion 111 for a user to tear the outer film of the package, and the hand-held portion 11 further includes a pressure-sealing area 112 for connecting the first outer film, one end of the antifouling sheet 14 and the first The two outer films are pressure-sealed and fixed, and the other end of the antifouling sheet 14 includes a plurality of pressure-seal points 141 for fixing the antifouling sheet 14 on the first outer film.

However, both ends of the antifouling sheet 14 are firmly fixed, so the design of the traditional antifouling sheet 14 cannot provide complete protection of content food during transportation. Please refer to the second figure. The cross-sectional view of the conventional sandwich packaging bag structure with anti-perspirant sheet 14 during storage of the food 1 can be seen in the second figure. The main body consists of the first outer film 101 and the second outer surface with easy-to-cut seams 111, respectively. The film 102 is composed, and the pressure-sealing portion 112 is used to join the first outer film 101, the antifouling sheet 14 and the second outer film 102 to each other.

Since both ends of the antifouling sheet 14 are fixed to the first outer film 101, during the transportation process, the content food 1 will shake in the body 10 along the direction perpendicular to the plane of the antifouling sheet 14, and will prevent the antifouling When the sheet 14 is attached, when the antifouling sheet 14 is shaken away again, the content food 1 and the antifouling sheet 14 have a swing A. In other words, the content food 1 repeatedly adheres to the surface of the antifouling sheet 14, causing the appearance of the food package to become dirty, and making the food materials easily adhere to the antifouling sheet 14.

In addition, during the transportation process, in addition to shaking the content food 1 in the body 1 along the direction perpendicular to the plane of the antifouling sheet 14, the content food 1 also shakes in the direction along the plane of the antifouling sheet 14. Please refer to the third figure, which is a perspective view of the conventional sandwich packaging bag with anti-fouling sheet structure containing the food 1 during transportation. Since both ends of the antifouling sheet 14 are fixed, and the content food 1 will shake in the direction of the plane of the antifouling sheet 14 in the body 1, the content food 1 will be shaken away from the state where it is attached to the antifouling sheet 14. In the case of the antifouling sheet 14, the edge of the content food 1 and the edge of the antifouling sheet 14 have a swing width B. That is, the content food 1 will exceed the coverage of the antifouling sheet 14 and cause the food ingredients to stick to the first outer film, thereby affecting the appearance of the food package.

In view of the problems of the above-mentioned conventional technology, the present invention provides an improved structure of a sandwich packaging bag with an antifouling sheet, which can make the antifouling sheet shake the content food in the sandwich packaging bag and adhere to the surface of the content food at any time. Avoid food ingredients sticking to the outer film to cause the appearance of food packaging to be dirty.

According to the above, the present invention provides an improved structure of a sandwich packaging bag with an antifouling sheet, which comprises a main body and an antifouling sheet, wherein the main body is composed of a first outer film and a second outer film, and is composed of a first outer film and a second The outer membrane defines an opening; and the antifouling sheet is located between the first outer membrane and the second outer membrane, and the antifouling sheet has a fixed end and a free end, the fixed end is close to the mouth and the free end is opposite to the fixed end and away from The opening and free end are conducive to the movement of the antifouling sheet other than the fixed end. In addition, at least a part of the fixed end of the antifouling sheet is bonded to the first outer film.

The foregoing aspects and other aspects of the present invention will become more apparent from the detailed description of the following non-limiting specific embodiments and with reference to the accompanying drawings.

1‧‧‧ Content Food

10, 20, 70, 80, 90‧‧‧

101, 201‧‧‧ first outer membrane

102, 202‧‧‧Second outer membrane

11, 21, 91‧‧‧ Handheld

111, 211, 911

112,212,712‧‧‧‧Seal zone

12, 22‧‧‧accommodation department

13, 23, 93‧‧‧ opening

14, 24, 74, 84, 94‧‧‧ Antifouling

141‧‧‧Seal point

241, 741, 841‧‧‧Free End

8411‧‧‧Seal points

242, 742, 842, 942‧‧‧ fixed end

2421, 7421, 8421, 9421‧‧‧Seal points

913‧‧‧Easy tear strip

A, B‧‧‧ swing

The first picture shows the structure of a traditional sandwich packaging bag with antifouling sheet.

The second figure is a cross-sectional view of a conventional sandwich packaging bag structure with anti-fouling sheet after containing the content food during transportation.

The third picture is a perspective view of the traditional sandwich packaging bag structure with anti-fouling sheet after containing the content food during transportation.

The fourth figure is an improved structure of a sandwich packaging bag with antifouling sheet according to the present invention.

The fifth diagram is the fourth diagram of the sandwich packaging bag with the antifouling sheet of the present invention in the improved structure for containing the content food, and a sectional view during transportation.

The sixth diagram is the fourth diagram, the perspective view of the sandwich packaging bag with the antifouling sheet of the present invention in the improved structure after containing the food in the transportation process.

The seventh figure is another modified sandwich packaging bag with antifouling sheet of the present invention.

The eighth figure is another modified sandwich packaging bag with antifouling sheet of the present invention.

The ninth figure is an improved structure of a sandwich packaging bag with an antifouling sheet and an easy-to-tear strip according to the present invention.

The following specific embodiments are for explaining the content of the present invention, and are supplemented by illustrations. For the symbols mentioned in the description, please refer to the symbols. It is worth noting that the following specific examples and illustrations do not limit the content of the present invention. Those with ordinary knowledge in the field should understand that the same structural features often have different names, so they are the same as those mentioned in this description. Structural features with similar functions should of course be included in the scope of this description.

The invention provides an improved structure of a sandwich packaging bag with an antifouling sheet. The antifouling sheet includes a free end and a fixed end. The free end can facilitate the movement of other parts of the antifouling sheet except the fixed end, and the fixing of the antifouling sheet. At least a portion of the end is joined to the first outer membrane. Therefore, the free end can be used to swing with the content food in the body, which can prevent the content food from being separated and then attached to the antifouling sheet, which will cause the ingredients to stick to the antifouling sheet, and also prevent the content food from swinging beyond the range of the antifouling sheet And stick to the outer membrane.

Please refer to FIG. 4 and FIG. 5, which show an improved structure of a sandwich packaging bag with antifouling sheet according to the present invention, which has a body 20 composed of a first outer film 201 and a second outer film 202. The main body 20 further includes a hand-held portion 21, a receiving portion 22, an opening 23, and an antifouling sheet 24, wherein the hand-held portion 21 is located opposite to the opening 23, and may include an easy-to-cut seam portion 211 for a user to remove the film, and At least the first outer film 201 and the second outer film 202 are sealed and fixed to each other by a compression sealing area 212; the accommodating portion 22 is used for accommodating the content food, so the content food is placed in the first outer film 201 and the second Between the outer membranes 202; the opening 23 is defined by the first outer membrane 201 and the second outer membrane 202; and an antifouling sheet 24, which is located at The first outer film 201 and the second outer film 202 are also located between the pressure-sealed area 212 and the opening 23, and can be applied to the surface of the content food.

Preferably, the body 20 may be substantially a ladder shape, so that the accommodating portion 22 has a larger receiving space, and the bottom of the ladder shape is wider than the top of the trapezoid, and the opening 23 is located at the bottom of the ladder shape. Preferably, the antifouling sheet 24 can be located in the central area of the main body 20, which can facilitate the main body 20 of the sandwich packaging bag to contain the content food, and the antifouling sheet 24 can be positioned on the front of the food packaging to provide the antifouling function of the front of the food packaging. Preferably, the easy-to-tear seam portion 211 is located on the second outer film 202, so that after the user tears the second outer film 202, the user can directly access the content food without being blocked by the antifouling sheet 24.

Furthermore, the antifouling sheet 24 includes a free end 241 and a fixed end 242, wherein the fixed end 242 is close to the opening 23, and the free end 241 is located relative to the fixed end 242 and away from the opening 23. In addition, the fixed end 242 is joined to the inner surface of the first outer film 201 through at least one pressure sealing point 2421, so that at least a part of the fixed end 242 of the antifouling sheet 24 can be joined to the inner surface of the first outer film 201, and the free end 241 Then, it is not bonded to the pressure-sealed area 212 at all, and in this embodiment, the free end 241 is preferably not bonded to the first outer film 201 and the second outer film 202. The free end 241 facilitates the movement of the antifouling sheet 24 other than the fixed end 242.

Therefore, when the content food 1 is accommodated in the body 20 from the opening 23 and transported, the antifouling sheet 24 can swing with the content food 1. Please refer to the fifth figure, which is a cross-sectional view of the improved structure of the sandwich packaging bag with the antifouling sheet 24 according to the present invention after the content food 1 is contained in the transportation process. After the content food 1 is placed in the main body 20, the antifouling sheet 24 is attached to the content food material 1, wherein the content food 1 is interposed between the antifouling sheet 24 and the second outer film 202, and the antifouling sheet 24 is interposed between the first outer film 201 and the content Between the foods 1, it is possible to prevent the content foods 1 from sticking to the first outer film 201.

In addition, since the sealing and pressing area 212 only seals and fixes the first outer film 201 and the second outer film 202, the unfixed free end 241 can facilitate the movement of the antifouling sheet 24 other than the fixed end 242. .

That is, when the content food 1 shakes in a direction perpendicular to the plane of the antifouling sheet 24, the free end 241 is not fixed between the first outer film 201 and the second outer film 202 in the pressure sealing area 212, so that the antifouling sheet 24. The content food 1 can be oscillated to avoid the content food 1 from contaminating the first outer film 201 due to the continuous separation and re-attachment to the surface of the content food 1, and can reduce the adhesion of food ingredients on the surface of the antifouling sheet 24. Cause waste of ingredients.

In addition, during the transportation process, in addition to shaking the content food 1 in the body 20 in a direction perpendicular to the plane of the antifouling sheet 24, the content food 1 also shakes in a direction along the plane of the antifouling sheet 24. Please refer to the sixth figure, which is a perspective view of the improved structure of the sandwich packaging bag with the antifouling sheet 24 according to the present invention for containing the content food 1 during transportation. When the content food shakes in the direction of the antifouling sheet 24, Since the free end 241 is not fixed and can swing freely, it helps the antifouling sheet 24 to shake with the content food 1 and can prevent the content food from swinging beyond the antifouling range of the antifouling sheet 24 and causing the food to stick to the first The inner surface of the film 201 affects the appearance of the food package.

Please refer to the seventh figure, which is another improved sandwich packaging bag with antifouling sheet of the present invention. The antifouling sheet 74 included in the body 70 has a free end 741 and a fixed end 742, and the free end 741 can be held with the compression sealing area. A distance is beneficial to increase the range in which the antifouling sheet 74 can move other than the fixed end 742. In addition, the fixed end 742 may only be partially bonded to the first outer membrane by the compression sealing point 7421. In addition to the above structure description, this sandwich bag with antifouling film is improved Structure The remaining structure is the same as that shown in the fourth figure, so it will not be repeated.

Please refer to FIG. 8, which is another improved sandwich packaging bag with antifouling sheet 84 according to the present invention. The free end 841 of the antifouling sheet 84 can be fixed on the first outer film by the sealing point 8411 at least in part. The movable range of the antifouling sheet 84 other than the fixed end 842 is adjusted. In addition, the fixed end 842 may only be partially fixed on the first outer membrane by the compression sealing point 8421. Except for the above structure description, the rest of the structure of the improved sandwich packaging bag with the antifouling sheet is the same as that shown in the fourth figure, so it will not be repeated.

The improved structure of the sandwich packaging bag with the antifouling sheet 94 of the present invention can be combined with other functions of the sandwich packaging bag. Please refer to the ninth figure, which is an improved structure of the sandwich packaging bag with the antifouling sheet 94 and the easy tear strip 913 according to the present invention. The main body 90 includes an easy-to-tear strip 913 extending from the easy-to-tear slit portion 911 located at the hand-held portion 91 toward the opening 93. Therefore, the body 90 may have both the antifouling sheet 94 fixed on the inside of the first outer film and the easy-to-tear strip 913 fixed on the inside of the second outer film. In addition, the fixed end 942 may only be partially bonded to the first outer membrane by the compression sealing point 9421. Except for the above structure description, the rest of the structure of the improved sandwich packaging bag with the antifouling sheet is the same as the structure shown in the seventh figure, so it will not be repeated.

Under such a configuration, the easy-to-tear strip 913 located between the second outer film and the antifouling sheet 94 can cooperate with the easy-to-tear seam portion 911, so that the user can more easily tear the second outer film along the easy-to-tear strip 913. Furthermore, after the content food is contained in the body 90, it will be located between the antifouling sheet 94 and the easy-to-tear strip 913. The antifouling sheet 94 can still be attached to the surface of the content food to provide an antifouling function.

The above-mentioned embodiments are only for enabling ordinary people in this field to clearly understand the technical features of the present invention, and are not intended to limit the scope of the present invention. The replacement does not depart from the scope of the present invention. In addition, the content food can be replaced with any items that require antifouling to maintain the appearance of integrity.

After describing the preferred embodiments of the present invention, those familiar with the technical field should understand that the present invention is a novel, progressive, and industrially applicable invention, and has great development value.

Claims (9)

An improved structure of a sandwich packaging bag with antifouling sheets, comprising: a body composed of a first outer membrane and a second outer membrane, and an opening defined by the first outer membrane and the second outer membrane; And an antifouling sheet located between the first outer membrane and the second outer membrane, the antifouling sheet having a fixed end and a free end, the fixed end being close to the opening and the free end being opposite to the fixed end And away from the opening, the free end is conducive to other parts of the antifouling sheet other than the fixed end being movable; wherein at least a part of the fixed end of the antifouling sheet is joined to the first outer membrane, and the body is opposite The opening has a pressure-sealing area. At least the first outer film and the second outer film are pressure-sealed to each other. The antifouling sheet is located between the pressure-sealing area and the opening. The free end is kept at a distance from the pressure-sealed area. The improved structure of the sandwich packaging bag with an antifouling sheet as described in item 1 of the scope of the patent application, wherein the free end does not engage the first outer film and the second outer film at all. The improved structure of a sandwich packaging bag with an antifouling sheet as described in item 1 of the scope of the patent application, wherein the fixed end of the antifouling sheet is joined to the first outer film through at least one compression sealing point. According to the improved structure of the anti-fouling sheet sandwich packaging bag described in item 1 of the patent application scope, wherein the second outer film has an easily tearable seam portion relative to the opening. The improved structure of the sandwich packaging bag with antifouling sheet according to item 4 of the scope of patent application, wherein the easy-to-cut seam portion extends an easy-to-tear strip toward the opening, and the easy-to-tear strip is located on the anti-fouling sheet and the second The outer membranes are bonded to the second outer membrane. According to the improved structure of the sandwich packaging bag with antifouling sheet as described in item 5 of the scope of patent application, one of the contents is contained between the antifouling sheet and the easy-to-tear strip, and the antifouling sheet is attached to the The surface of the contents. The improved structure of the sandwich packaging bag with antifouling sheet as described in item 1 of the scope of patent application, wherein a content is contained between the first outer film and the second outer film, and the antifouling sheet is attached On the surface of the content. The improved structure of the sandwich packaging bag with antifouling sheet as described in the first item of the patent application scope, wherein the body is substantially trapezoidal, and the opening is formed at the bottom of the trapezoid. The improved structure of the sandwich packaging bag with an antifouling sheet as described in item 1 of the scope of the patent application, wherein the antifouling sheet is located in the central area of the body.