TWI585011B - Package bag for vegetable and/or fruit products - Google Patents

Description

Vegetable and fruit agricultural products packaging bags

The invention relates to a product packaging bag, in particular to a vegetable and fruit agricultural product packaging bag with a vent hole.

Fresh fruits and vegetables are transported from the harvest to the market for a period of time. In order to make consumers edible and fresh, ripe fruits and vegetables, the fruits and vegetables need to be harvested before the fruits and vegetables are ripe. After being packaged, it is shipped to the market for sale. Fresh fruits and vegetables will still undergo respiration to emit carbon dioxide after harvesting. If the bag is not breathable, the carbon dioxide in the bag will not be discharged, thereby inhibiting the ripening of fruits and vegetables and destroying the freshness of fruits and vegetables.

There is currently a packaging bag developed on the market for the above problems, as shown in the first figure. The packaging bag 101 is provided with one or more vent holes 102 in advance on the packaging bag, and the packaging bag 101 has an opening 103 for being placed in a vegetable or the like.

However, such a design still requires the worker to manually insert the fruits and vegetables into the opening 103 one by one, and then close the opening 103 after the insertion, the flow is not completely automated, and in addition, the venting opening close to the opening 103 The 102 may be partially or completely closed when the opening of the opening 103 is closed to disable the venting port 102 from venting.

In view of the above problems in the prior art, an object of the present invention is to provide a vegetable and fruit packaging bag with a vent hole, which is sealed by a sealing technique on the top, bottom and back of a bag body containing a vegetable and fruit product. To keep the bag body The breathable effect of the venting holes.

According to an object of the present invention, an object of the present invention is to provide a packaging bag for a vegetable and fruit product, comprising a bag body, a first sealing portion, a second sealing portion and a back sealing portion. The bag body has a front bag body surface, a back bag body surface and an accommodating space between the front bag body surface and the back bag body surface. The surface of the front bag body and the surface of the back bag body respectively have at least one venting hole, so that the accommodating space maintains gas circulation with the outside, and the accommodating space is used for storing fruits and vegetables. The first sealing portion is located at the top of one of the bag body and engages the front bag body surface and the back bag body surface, the second sealing portion is located at a bottom of the bag body and engages the front bag body surface and the back A bag body surface, and the back seal portion is joined to the back bag body surface and extends along a top end of the back bag body surface to a bottom end thereof.

Based on the above concept, the front pocket surface has at least one printed pattern, and the printed pattern avoids the venting opening.

Based on the above concept, wherein the back pocket surface has at least one printed pattern, and the printed pattern avoids the venting opening.

Based on the above concept, the bag body has a left bag side portion and a right bag side portion, and the left bag side portion and the right bag side portion are integrally formed with the front bag body surface and the back bag body surface.

Based on the above concept, the package bag system is integrally formed by a film, and the back seal portion is formed by overlapping and heat-sealing the first side and the second side of the film.

Based on the above concept, the first sealing portion is formed by overlapping and heat-sealing the third side of the adhesive film, and the second sealing portion is formed by overlapping and heat-sealing the fourth side of the adhesive film.

101‧‧‧Package bags

102‧‧‧ venting holes

103‧‧‧ openings

201‧‧‧ film

202‧‧‧ venting holes

204‧‧‧Printed pattern

205‧‧‧Printed pattern

206‧‧‧Printed pattern

207‧‧‧ first side

208‧‧‧Second side

209‧‧‧ third side

210‧‧‧ fourth side

310‧‧‧ surface

401‧‧‧ front bag surface

402‧‧‧ Back pocket surface

403‧‧‧ venting holes

404‧‧‧Printed pattern

405‧‧‧Printed pattern

406‧‧‧Printed pattern

407‧‧‧ venting holes

408‧‧‧ Back seal

409‧‧‧ left side pocket

410‧‧‧Side bag side

411‧‧‧ top

412‧‧‧ bottom

413‧‧‧First closure

414‧‧‧Second seal

The first picture is a schematic view of the appearance of a package having a venting structure on the market.

The second drawing is a schematic view of the appearance of the packaging bag with the venting structure of the present invention before packaging.

The third drawing is a schematic view of the appearance of the packaging bag with the venting structure of the present invention.

The fourth A drawing is a front view showing the appearance of the packaging bag with the venting structure of the present invention.

Fig. 4B is a schematic view showing the appearance of the package of the ventilated structure of the present invention.

Figure 5A is a cross-sectional view of A-A of Figure 4A.

The fifth B diagram is a cross-sectional view of the A-A of the fourth B diagram.

The specific embodiments are described below in order to explain the details of the present invention in detail, The symbols mentioned in the description refer to the schema symbols. It is worth noting that the "include" mentioned in the description is an open term and should be interpreted as "including, but not limited to". In addition, those of ordinary skill in the art should understand that the same component/product often has a different designation, such as a "film" or "plastic film", and thus is similar to the functionally similar components mentioned in this specification. /Products should of course be included in the scope of this specification.

Please refer to the second figure. The second figure is an embodiment of the packaging bag with venting structure for storing fruits and vegetables of the present invention, and the second figure shows the appearance of the packaging bag with venting structure before packaging. As shown in the second figure, the packaging bag having the vent structure in the present embodiment is made of the film 201, and the film 201 is stored in a roll shape. In an embodiment of the present invention, the roll-like adhesive film 201 is used to automatically cover the contents to be packaged on the factory automatic packaging production line, and the film 201 is cut according to the size of the contents to be packaged (such as fruits and vegetables), and becomes the second. The figure shows the bag unit, but at this stage the bag unit is not yet perforated and printed. The cut film 201 has a first side 207, a second side 208, a third side 209, and a fourth side 210. Then, after detecting the relative position of the cut film 201 on the packaging line by using the image sensor, the present invention performs punching and printing on the desired position of the film 201 to form the vent hole 202 and the printing patterns 204 and 205. 206. Image sensing by image sensing The aid of the device greatly enhances the accuracy of the perforation and printing position so that the venting holes 202 and the printed patterns 204, 205, 206 avoid each other. In an embodiment of the present invention, the shape, size, and number of the vent holes of the adjustment film 201 and the printed patterns 204, 205, and 206 may be changed according to customer needs or contents to be packaged.

Please refer to the third figure. The third figure shows the appearance of the package of the vented structure in the second figure. When the contents to be packaged (such as fruits and vegetables, etc. are not shown) are placed on the opposite inner surface of the surface 310 of the film 201 through the automated packaging line, the package bag unit is cut, and the film 201 of the package unit is perforated and After the pattern is printed on the surface 310 of the film 201, the first side 207 and the second side 208 are folded toward the center of the film 201 to bond the first side 207 and the second side 208. In one embodiment of the invention, the first side 207 and the second side 208 can be joined by thermocompression sealing. Since the first side 207 and the second side 208 are folded in the center of the film 201, the third side 209 in the second figure is self-overlapping. In an embodiment of the present invention, the third layer can be overlapped by heat sealing. The side edges 209 are joined, and the fourth side edges 210 are self-overlapping in the second view. In one embodiment of the invention, the overlapping fourth side edges 210 can be joined by thermocompression sealing. The invention utilizes the above steps to automatically package the contents (such as fruits and vegetables) in a large amount on the factory production line, thereby eliminating the labor cost and improving the sanitary degree of the packaging process.

Please refer to FIG. 4A. FIG. 4A is a front view showing the appearance of the package with the venting structure in the second figure. As shown in FIG. 4A, the front bag body surface 401 of the packaging bag having the vent hole structure of the present embodiment has a vent hole 403 and a printing pattern 404. In an embodiment of the invention, the present invention detects the position of the image sensor, and the venting hole 403 and the printing pattern 404 are respectively perforated and printed at the position where the image is to be seen. Due to the packaging step described above, the left pocket side portion 409 and the right pocket side portion 410 have an integrally formed structure without seams, and the package bag body top 411 has a joint formed by the overlapping third side edges 209 and closed. A mouth portion 413, the bag bottom portion 412 has a second closure portion 414 joined and closed by the overlapping fourth side edges 210.

Please refer to the fourth B figure, and the fourth B figure shows the rear view of the package of the vented structure with the second figure. As shown in FIG. 4B, the back surface of the bag body 402 having the vent structure has a venting hole 407 and printing patterns 405 and 406. The present invention detects the position of the image sensor by using the vent hole. 407 and the printed patterns 405, 406 are respectively perforated and printed at the position where they are to appear. Due to the packaging step described above, the back pocket surface 402 of the bag having the venting structure has a back seal 408 formed by joining the first side 207 and the second side 208 of the film 201 by, for example, heat sealing. . The back seal 408 extends along the top end of the back pocket surface 402 of the package to its bottom end.

Please refer to the fifth A diagram, and the fifth A diagram shows the A-A cross-sectional view of the fourth A diagram. As shown in FIG. 5A, the packaging bag having the venting structure in the present embodiment has the seamless side and the integrally formed left pocket side portion 409 and the right pocket side portion 410, and the first side of the adhesive film 201. The back portion 408 is formed by joining the side 207 and the second side 208. An accommodating space 400 is formed inside the package by the front bag body surface 401 and the back bag body surface 402.

Please refer to the fifth B diagram, and the fifth B diagram shows the A-A cross-sectional view of the fourth B diagram. As shown in FIG. 5B, the package having the venting structure has a back seal 408 located above the figure with respect to FIG.

In summary, the bag with the venting structure of the present invention can protect the gas circulation inside the bag by 0027, and can be automatically packaged in the factory production line to save manpower, so that the package can be quickly and conveniently Packaging of fruits and vegetables, etc., ensures overall hygiene.

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.

402‧‧‧Back surface of the back bag

405, 406‧‧‧Printed drawings

407‧‧‧ venting holes

408‧‧‧ Back seal

Claims (6)

The invention relates to a packaging bag for a vegetable and fruit agricultural product, comprising: a bag body having a front bag body surface, a back bag body surface and an accommodating space between the front bag body surface and the back bag body surface, wherein the front bag The body surface and the back bag body surface respectively have at least one venting hole, so that the accommodating space maintains gas circulation with the outside, the accommodating space is for storing the fruit and vegetable agricultural products; and a first sealing portion is located in the bag body a top portion and engaging the front bag body surface and the back bag body surface; a second sealing portion located at a bottom of the bag body and engaging the front bag body surface and the back bag body surface; and a back seal portion, It engages the surface of the back pocket and extends along the top end of the back pocket surface to its bottom end. A package for a fruit and vegetable agricultural product according to claim 1, wherein the front bag body surface has at least one printed pattern, and the printed pattern avoids the vent hole. A package for a vegetable or fruit product according to claim 1, wherein the surface of the back bag body has at least one printed pattern, and the printed pattern avoids the vent hole. The packaging bag for vegetable and fruit agricultural products according to claim 1, wherein the bag body has a left bag side portion and a right bag side portion, the left bag side portion, the right bag side portion and the front bag body surface and The surface of the back bag body is integrally formed. The packaging bag for vegetable and fruit agricultural products according to claim 1, wherein the packaging bag system is integrally formed by a film, and the back sealing portion is partially overlapped with the second side by the first side of the film and Heat sealed. According to the fifth aspect of the patent application, the first sealing part is formed by overlapping and heat-sealing the third side of the film, and the second sealing part is the fourth of the film. The sides are overlapping and heat sealed.