CN221624503U - Packaging film with easy-to-tear strip - Google Patents

Abstract

The utility model relates to the technical field of product packaging, and discloses a packaging film with an easy-to-tear strip. The packaging film is of a planar structure after being unfolded, the packaging film is coated on the outer surface of the article, and an overlapping area is formed at the edge of the packaging film; the bonding area is a straight line after bonding; the packaging film is provided with a notch, the notch is positioned at one side or two sides of the lap joint area or positioned at the surface and two sides of the lap joint area, and the notch is matched with the lap joint area to form an easy-tearing strip of the packaging film; the notch is an opening end and a force application end of the easy-to-tear strip, and the lap joint area is torn with the packaging film along the two sides of the lap joint area after being stressed. This packaging film with easy tear strip can be used as the extranal packing of articles such as column, bottle, paper extraction, and the easy tear strip on the packaging film utilizes the structural strength of overlap joint region to be greater than the intensity of packaging film self to can not appear transversely tearing the fracture problem when guaranteeing to open the packing through easy tear strip, realize easily opening the purpose of packing, promoted the leakproofness and the whole pleasing to the eye degree of packaging film.

Description

Packaging film with easy-to-tear strip

Technical Field

The utility model relates to the technical field of product packaging, in particular to a packaging film with an easy-to-tear strip.

Background

The heat shrink film is widely used as a novel packaging film for packaging various products. Because of the tear-resistant nature of the heat shrink film, users often need to resort to sharp tools such as scissors, knives, etc. when removing the package. To this problem, can set up on the part pyrocondensation membrane product and easily tear the line, if: the bottle mouth heat-shrinkable film is opened conveniently and simply by arranging the easy-tearing line with the through hole on the bottle mouth heat-shrinkable film; such as: the surface of the tissue package adopts an easy-tearing line structure, thereby realizing the purpose of easily opening the package.

However, the easy-to-tear line of the existing heat-shrinkable film has the problem that the existing heat-shrinkable film is broken by transverse tearing occasionally in the tearing process, so that the using effect is affected; meanwhile, the perforation of the easy-to-tear line can reduce the sealing performance and the aesthetic property of the heat shrinkage film.

Disclosure of utility model

In order to solve the problems, the utility model provides a packaging film with a tearing strip.

The utility model adopts the technical scheme that:

The packaging film is in a plane structure after being unfolded, the packaging film is coated on the outer surface of an article, and an overlapping area is formed at the edge of the packaging film; the lap joint area is formed by bonding the inner side edge of the packaging film and the outer side edge of the packaging film through an adhesive layer, and the lap joint area is in a straight line after bonding; the packaging film is provided with a notch, the notch is positioned at one side or two sides of the lap joint area or positioned at the surface and two sides of the lap joint area, and the notch is matched with the lap joint area to form an easy-tearing strip of the packaging film; the notch is an opening end and a force application end of the easy-to-tear strip, and the lap joint area is torn with the packaging film along the two sides of the lap joint area after being stressed.

Further, the packaging film is coated on the surface of the columnar object, and a closing ring is formed on the top surface of the columnar object; the lap joint area extends downwards to the bottom edge of the packaging film from a closing ring at the top surface, and the incision is arranged at the closing ring at the top or at the position, close to the bottom edge of the packaging film, of the lap joint area.

Further, the packaging film is coated on the surface of the bottle opening of the bottle body, and a closing ring is formed on the top surface of the bottle opening of the bottle body; the lap joint area extends downwards to the bottom edge of the packaging film from the closing ring at the top surface, and the incision is arranged at the lap joint area and is close to the bottom edge of the packaging film.

Furthermore, holes for preventing the easy-tearing strip from being completely broken are also formed in the packaging film; incision and prevention of complete breakage of tear tape the holes are respectively positioned at two ends of the lap joint area; preventing easy-tearing strip from being completely torn the fracture hole is a through hole, hole for preventing easy-to-tear strip from breaking completely and a tear line on one side of the overlap region.

Further, a fracture belt and a transverse incision are arranged on the packaging film; or the outer surface of the article is provided with a fracture belt and the packaging film is provided with a transverse incision; the tearing direction can be changed by breaking the strips and transverse cuts.

Further, the packaging film is coated on the outer surface of the paper extraction to form an outer package of the paper extraction; the overlap joint region is located paper extraction top surface central line department, is equipped with two relative distribution's incision on the top surface of overlap joint region and overlap joint region edge both sides, and two incision intervals set up, and overlap joint region between two incisions and two incisions constitutes the easy tear strip of packaging film, and easy tear strip takes place to tear with the packaging film after, former easy tear strip position department forms the take mouth of paper extraction.

Further, the packaging film is coated outside the bottle mouth and the bottle cap, a closing ring is formed on the packaging film at the top surface of the bottle cap, and a cover film is adhered to the inner edge of the closing ring; the lap joint area is downwards extended to the bottom edge of the packaging film from the closing ring at the top surface, and the notch is arranged at two sides of the lap joint area and is close to the bottom edge of the packaging film.

Further, the packaging film is coated at the bottle mouth after being heated, a closing ring is formed at the top surface of the bottle mouth, a cover film is adhered to the inner edge of the closing ring, the bottle cap is pressed at the bottle mouth and positioned outside the packaging film, the cover film is connected with the inner surface of the bottle cap, and a sealing layer is additionally arranged between the bottle mouth and the cover film or at the bottom of the cover film; the lap joint area extends downwards to the bottom edge of the packaging film from the closing ring at the top surface, and the notch is arranged at two sides of the lap joint area and is close to the bottom edge of the packaging film.

Further, the lap joint area is also provided with an opening tab structure near one end of the incision.

Further, the incision is one or more combinations of the following structures;

The cut is proximate to the edge of the packaging film and proximate to the overlap region; the two incisions are arranged on two sides of the lap joint area, the two incisions are two oblique line incisions in an inverted trapezoid shape, or two multi-section line incisions, or two straight line incisions which are symmetrically arranged, and the lines of the incisions and the edges of the packaging film are completely broken or partially broken;

The incisions are positioned on the surface and two sides of the lap joint area, the incisions are horseshoe-shaped incisions or arc-shaped incisions, and the lines of the incisions and the edges of the packaging film are completely broken or partially broken.

The beneficial effects of the utility model are as follows:

This packaging film with easy tear strip can be used as the extranal packing of articles such as column, bottle, paper extraction, and the structural strength that easy tear strip on the packaging film utilized overlap joint region is greater than the intensity of packaging film self, and is a straight line after the overlap joint region bonds to can guarantee to open the packing through easy tear strip, tear along overlap joint region 5 both sides emergence, can not appear transversely tear the fracture problem, realize easily opening the purpose of packing.

In addition, the easy-to-tear strip on the packaging film does not need to be provided with an easy-to-tear line with a through hole, so that the manufacturing process of the easy-to-tear strip is simplified, and the sealing property and the overall aesthetic degree of the packaging film are improved; meanwhile, considering the opening of the easy-to-tear strip, a notch is further formed in the packaging film, and the notch is the opening end and the force application end of the easy-to-tear strip, so that the purpose of easily opening the package is further achieved.

Drawings

FIG. 1 is a schematic plan view of a packaging film after being unfolded;

FIG. 2 is a schematic view of a packaging film made into a hollow tubular structure;

FIG. 3 is a schematic view of the location of the wrapping film overlap area;

FIG. 4 is a schematic illustration of a wrapping film wrapped around a surface of a cylindrical object;

FIG. 5 is a schematic view of a packaging film wrapped around a bottle opening;

FIGS. 6 and 7 are schematic views of the structure of the notch;

fig. 8 and 9 are schematic views of a packaging film provided with a breaking belt;

FIG. 10 is a schematic view of a bottle with a rupture zone thereon;

FIG. 11 is a schematic illustration of a wrapping film wrapped around the outer surface of the paper extraction;

FIGS. 12 and 13 are schematic views of the structure of the incision when the packaging film is wrapped on the outer surface of the paper extraction;

FIG. 14 is a schematic view of a wrapping film with a lidding film at the wrapping film shrink-fit ring;

FIG. 15 is a schematic view of the wrapping of the packaging film around the bottle mouth and the bottle cap;

FIG. 16 is a schematic view of the packaging film wrapped around the bottle mouth and then the bottle cap installed;

In fig. 1-16, 1-packaging film, 2-packaging film inside edge, 3-packaging film outside edge, 4-adhesive layer, 5-overlap area, 6-cut, 7-easy-tear strip, 8-closing ring, 9-hole to prevent complete breakage of easy-tear strip, 10-breaking strip, 11-bottle mouth, 12-bottle cap, 13-cap film, 14-sealing layer, 15-easy-pull tab structure, 16-transverse cut, 17-easy-tear tab, 18-arc notch.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Example 1

The embodiment provides a packaging film with a tearing strip. As shown in fig. 1, the packaging film 1 is a heat-shrinkable film, and is in a planar structure after being unfolded, and is made of pvc or pet materials. As shown in fig. 2 and 3, the packaging film 1 is rolled into a hollow tube shape, the edge of the packaging film 1 is formed with a lap joint area 5, the lap joint area 5 is bonded with the outer edge 3 of the packaging film through the adhesive layer 4 by the inner edge 2 of the packaging film, the adhesive layer 4 is in a straight line, and the lap joint area 5 is in a straight line after bonding; the inner edge 2 of the packaging film extends beyond the adhesive layer 4 to form part of the non-adhesive area. As shown in fig. 4, a hollow tubular packaging film 1 is sleeved on a columnar article, such as: on the Yunnan white drug powder aerosol, the vertical length dimension of the packaging film 1 is slightly larger than the dimension of a columnar article, the packaging film 1 is contracted by heating through a hot air gun or a heating pipe, the contracted packaging film 1 is coated on the whole surface of the columnar article, and a closing ring 8 is formed on the top surface of the columnar article to form a protective effect on the outer surface of the article. At this time, the overlap region 5 extends from the top surface of the shrink ring 8 to the bottom edge of the packaging film 1, and extends vertically and linearly on the surface of the columnar article.

Considering the opening of the packaging film 1, as shown in fig. 1, 2 and 4, in this embodiment, the packaging film 1 is provided with the incisions 6, when the packaging film 1 is wrapped on the surface of the columnar object, two incisions 6 may be provided on the top closing ring 8, the incisions 6 are located at two sides of the overlapping area 5, and the incisions 6 cooperate with the overlapping area 5 to form the tear-off strip 7 of the packaging film 1. The incisions 6 are close to the top edge of the packaging film 1 and close to the lap joint area 5, the two incisions 6 are two oblique line incisions with inverted trapezoids, the lines of the incisions 6 are perforation lines, and partial fracture can also be the incision with the edge not broken with the packaging film 1.

When the packaging film 1 needs to be opened, the incision 6 is used as the opening end and the force application end of the easy-tearing strip 7, the easy-tearing strip 7 is torn, and as the structural strength of the lap joint area 5 is larger than that of the packaging film 1, the lap joint area 5 is in a straight line after being bonded; therefore, the lap joint area 5 is torn with the packaging film 1 along the two sides of the lap joint area 5 after being stressed, and the torn lines are two parallel fracture lines, so that the easy-to-tear strip 7 is completely separated from the packaging film 1, and the purpose of opening the packaging film 1 is achieved. The easy-to-tear strip 7 or the packaging film 1 can be marked with prompt information such as characters, arrow patterns and the like to prompt the opening of the packaging film 1.

In addition, besides two cuts 6 provided on the top closing ring 8, two cuts 6 may be additionally provided on the bottom of the packaging film 1 near the overlap region 5 for standby.

Example 2

On the basis of the embodiment 1, the packaging film with the easy-tearing strip can be used for wrapping the surface of the columnar object and also can be used for packaging at the bottle mouth; as shown in fig. 5, the packaging film with the easy-to-tear strip is wrapped outside the bottle mouth 11 and the bottle cap 12 or the bottle stopper, the packaging film 1 is also a heat-shrinkable film, and the packaging film 1 is provided with a closing ring 8 at the top surface of the bottle cap 12 or the bottle stopper. This method can be used for the outer package at the bottle mouth 11 of the glass bottle-packed vinegar bottle, soy sauce bottle and the like. The lap joint area 5 of the packaging film 1 extends from the closing ring 8 at the top to the bottom of the packaging film 1, and extends vertically and linearly on the surface of the bottle mouth 11.

In this embodiment, two incisions 6 are provided on the top closing ring 8, the incisions 6 are located at two sides of the overlap region 5, and the incisions 6 cooperate with the overlap region 5 to form a tear strip 7 of the packaging film 1. The two cuts 6 are two oblique line cuts with inverted trapezoid shape, and the line of the cuts 6 is completely broken or partially broken with the edge of the packaging film 1. When the packaging film 1 needs to be opened, the incision 6 is used as the opening end and the force application end of the easy-tearing strip 7, the easy-tearing strip 7 is torn downwards, and the lap joint area 5 is stressed and then two lap joint areas 5 are followed

The side and the packaging film 1 are torn, and the torn lines are two parallel fracture lines, so that the easy-to-tear strip 7 is completely separated from the packaging film 1, the purpose of opening the packaging film 1 is achieved, and the packaging film 1 can be taken down from the bottle mouth 11.

On the basis of embodiment 1 and embodiment 2, as shown in fig. 6 and 7, the two incisions 6 may be replaced by a multi-line incision provided on both sides of the overlap region 5 or two straight incisions symmetrically provided on both sides of the overlap region 5. The line of the slit 6 is completely or partly broken with the edge of the packaging film 1.

On the basis of embodiment 1 and embodiment 2, as a preferred technical solution, when two sides of one end of the overlap region 5 on the packaging film 1 are respectively provided with a notch 6, the packaging film 1 may be further provided with a hole 9 for preventing the tear-off strip from being completely broken, and the notch 6 and the hole 9 for preventing the tear-off strip from being completely broken are respectively located at two ends of the overlap region 5, as shown in fig. 1, 2, 4 and 5. The hole 9 for preventing the easy-to-tear strip from being completely broken is a circular through hole structure, or an elliptic through hole structure, or a rectangular through hole structure with arc chamfers. The hole 9 for preventing the easy-to-tear strip from breaking completely is partially located on the overlap region 5 and is located on a tearing line where tearing occurs on one side of the overlap region 5.

When the overlap region 5 is torn to the position of the hole 9 for preventing the easy-to-tear strip from being completely broken, the tearing line for preventing the easy-to-tear strip from being completely broken 9 is arranged on one side of the overlap region 5, so that the continuous tearing cannot be performed; the other side of the overlap region 5 may continue to tear down until it breaks away from the packaging film 1. In this way, one side of the easy-tearing strip 7 is completely separated from the packaging film 1, and the other side is still partially connected with the packaging film 1, so that the packaging film 1 is convenient to be taken off from the article as a whole.

On the basis of embodiments 1 and 2, as a preferred embodiment, as shown in fig. 8 and 9, only one cutout 6 is provided on one side of the overlap region 5; at the same time, a breaking belt 10 and a transverse incision 16 are added on the packaging film 1. The breaking belt 10 is a strip of plastic film which is circumferentially arranged on the inner surface or the outer surface of the packaging film 1, and the plastic film is adhered with the packaging film 1; on the inner edge 2 of the packaging film inside the overlap region 5, transverse cuts 16 are located in the overlap region 5 above the breaking zone 10, the transverse cuts 16 being distributed on the same side of the overlap region 5 as the cuts 6. The breaking belt 10 can be applied to bottle body package with a bottle cap 12, as shown in fig. 4, 8 and 9, the breaking belt 10 divides the packaging film 1 into an upper part and a lower part, and when the lap joint area 5 is vertically torn from the bottle mouth 11 to the breaking belt 10 made of plastic film, the tearing cannot be continued; then the packaging film 1 in the area above the breaking belt 10 and the bottle cap 12 is completely torn off by the transverse incision 16 along the edge of the breaking belt 10, and the packaging film 1 in the area below the breaking belt 10 and the bottle body is completely remained.

In addition, as shown in fig. 10, the breaking belt 10 may also be disposed on the outer surface of the bottle body, the breaking belt 10 is made of a hot melt adhesive disposed circumferentially, the packaging film 1 is wrapped on the article, and the packaging film 1 is located outside the breaking belt 10 made of the hot melt adhesive, and the breaking belt 10 and the inner surface of the packaging film 1 shrink after being heated at the same time and are fused together by hot melting. The packaging film 1 is divided into an upper part and a lower part by the breaking belt 10, and when the lap joint area 5 is torn to the breaking belt 10, the tearing cannot be continued; then the packaging film 1 in the area above the breaking belt 10 and the bottle cap 12 is completely torn off by the transverse incision 16 along the edge of the breaking belt 10, and the packaging film 1 in the area below the breaking belt 10 and the bottle body is completely remained. Meanwhile, as shown in fig. 10, a notch 6 formed by oblique lines is arranged on one side of the overlap region 5, an arc notch 18 is arranged on the edge of the packaging film 1 on the other side of the overlap region 5, and the edge of the packaging film 1 between the notch 6 and the arc notch 18 is easier to peel off and open.

Example 3

On the basis of the embodiment 1, the packaging film 1 with the easy-tearing strip 7 can be used for the outer package of the paper extraction besides being coated on the surface and the bottle mouth of the columnar object. As shown in fig. 11, when the plastic film is used as the packaging film 1, the structure of the easy-to-tear tape 7 is still applicable. Wrapping the outer surface of the paper extraction with a packaging film 1 made of plastic film material to seal the paper extraction, so as to form an outer package of the paper extraction; the lap joint area 5 of the packaging film 1 is arranged at the center line of the top surface of the paper extraction, two relatively distributed incisions 6 are arranged at the lap joint area 5 and the edge positions of two sides, the two incisions 6 are arranged at intervals, and the lap joint area 5 between the two incisions 6 and the two incisions 6 forms a tearing strip 7 of the packaging film 1.

When the packaging film is used, any notch 6 is used as an opening end and a force application end, and the lap joint area 5 between the two notches 6 is torn, and the structural strength of the lap joint area 5 is greater than that of the packaging film 1, and the lap joint area 5 is in a straight line after being bonded; therefore, the overlap region 5 is stressed and then is torn with the packaging film 1 along the two sides of the overlap region 5 until the other notch 6 is located, the easy-tearing strip 7 is completely separated from the packaging film 1, and the position of the original easy-tearing strip 7 forms a paper extraction taking opening.

Compared with the traditional easy-tearing line with through holes, the packaging film 1 with the easy-tearing strip 7 simplifies the manufacturing process of the easy-tearing strip 7, and can not generate transverse tearing and breaking when the package is opened through the easy-tearing strip 7, so that the package is easily opened, and the sealing performance and the overall attractiveness of the packaging film 1 are improved.

As shown in fig. 11 and 12, the two slits 6 in the present embodiment are horseshoe-shaped line slits, and the line at the slit 6 is completely broken or partially broken from the edge of the packaging film 1; of course, the two notches 6 can also be designed into semicircular arc line notches and the like. The line of the slit 6 is completely or partly broken with the edge of the packaging film 1. As shown in fig. 13, a peel-off patch 17 may be further provided on the outside of the incision 6, and the sealing property and the convenience of opening the peel-off strip 7 are increased by the peel-off patch 17.

Example 4

On the basis of the embodiment 2, when the packaging film with the easy-tearing strip is used for external packaging at the bottle mouth, the sealing effect is improved; as shown in fig. 14, the packaging film with the easy-tearing strip is adhered with a cover film 13 at the inner edge of the closing ring 8, and the sealing effect is improved by matching the cover film 13 with the packaging film 1, so that the packaging film can be used for the external package at the bottle mouth 11 of the red wine bottle. The packaging film 1 and the cover film 13 form an outer package at the bottle mouth 11. The lap joint area 5 of the packaging film 1 extends from the closing ring 8 at the top to the bottom of the packaging film 1, and extends vertically and linearly on the surface of the bottle mouth 11. At least one incision 6 is respectively arranged on two sides of the lap joint area 5 on the packaging film 1, the two incisions 6 are positioned on one side far away from the cover film 13 and close to the bottom edge of the packaging film 1, and the incisions 6 are matched with the lap joint area 5 to form the easy-tearing strip 7 of the packaging film 1. The two cuts 6 are two oblique line cuts with a trapezoid shape, and the line of the cuts 6 is completely broken or partially broken with the edge of the packaging film 1.

When the packaging film 1 needs to be opened, the notch 6 is used as the opening end and the force application end of the easy-tearing strip 7, the easy-tearing strip 7 is torn upwards, the lap joint area 5 is torn with the packaging film 1 along the two sides of the lap joint area 5 after being stressed, the tearing is stopped at the top surface closing ring 8, and the packaging film 1 and the cover film 13 can be taken down from the bottle mouth 11.

Example 5

On the basis of embodiment 4, the packaging film with the easy-to-tear strip can also be used for external packing at the bottleneck of a beer bottle, as shown in fig. 15, the bottle cap 12 is pressed at the bottleneck 11 and positioned inside the packaging film 1, the packaging film 1 is coated at the bottleneck 11 after being heated, the packaging film 1 is provided with a closing ring 8 at the top surface of the bottleneck 11, and the inner edge of the closing ring 8 is adhered with a cover film 13. When the packaging film 1 needs to be opened, the notch 6 is used as the opening end and the force application end of the easy-tearing strip 7, the easy-tearing strip 7 is torn upwards, the lap joint area 5 is torn with the packaging film 1 along the two sides of the lap joint area 5 after being stressed, the tearing is stopped at the top surface closing ring 8, and the packaging film 1 and the cover film 13 can be taken down from the bottle mouth 11.

In order to open the packaging film 1 and simultaneously achieve the effect of opening the beer bottle cap, as shown in fig. 16, the packaging film 1 is coated at the bottle mouth 11 after being heated, a closing ring 8 is formed at the top surface of the bottle mouth 11 of the packaging film 1, a cover film 13 is adhered to the inner edge of the closing ring 8, and the bottle cap 12 is pressed at the bottle mouth 11 and is positioned outside the packaging film 1. The lap joint area 5 of the packaging film 1 extends from the closing ring 8 at the top to the bottom of the packaging film 1, and extends vertically and linearly on the surface of the bottle mouth 11. When the packaging film 1 needs to be opened, the notch 6 is used as an opening end and a force application end of the easy-tearing strip 7, the easy-tearing strip 7 is torn upwards, the lap joint area 5 is broken with the packaging film 1 along the two sides of the lap joint area 5 after being stressed, and the broken part is cut off at the top surface closing ring 8; because the bottle cap 12 is arranged at the bottle mouth 11 in a pressing mode and is positioned outside the packaging film 1, the bottle cap 12 is deformed by the upward tearing force of the easy-tearing strip 7, and the bottle cap 12 falls off from the bottle mouth 11 after being deformed, so that the bottle cap 12 is opened while the bottle mouth 11 is opened for external packaging.

Further, when the bottle cap 12 is deformed and then falls off from the bottle mouth 11, the bottle cap flies outwards. To avoid this, in this embodiment, the cover film 13 is adhered to the inner surface of the bottle cap 12, so that when the bottle mouth 11 is opened to be wrapped, the deformed bottle cap 12 is still connected to the cover film 13, and cannot fly outwards. In addition, a sealing layer 14 may be additionally arranged between the bottle mouth 11 and the cover film 13 or between the bottle cap 12 and the cover film 13, the sealing layer 14 is connected with or not connected with the cover film 13, and the sealing performance of the bottle mouth 11 is improved through the sealing layer 14.

Furthermore, on the basis of the embodiments 4 and 5, it is also possible, as shown in fig. 15 and 16, to widen the width of the overlap region 5 of the packaging film 1 and to provide an opening tab structure 15 at the end of the overlap region 5 near the slit 6. The opening tab construction 15 is a through hole with a diameter smaller than the width of the adhesive layer 4, the diameter of the through hole being such that a finger can pass through. By means of the incision 6 as the opening end of the tear-off strip 7, by means of the opening tab structure 15 as the application end of the tear-off strip 7, the tearing of the easy-to-tear strip 7 is facilitated. Of course, the opening tab construction 15 can also be used in other embodiments.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A packaging film with easy tear strip, characterized in that: the packaging film is of a planar structure after being unfolded, the packaging film is coated on the outer surface of the article, and an overlapping area is formed at the edge of the packaging film; the lap joint area is formed by bonding the inner side edge of the packaging film and the outer side edge of the packaging film through an adhesive layer, and the lap joint area is in a straight line after bonding; the packaging film is provided with a notch, the notch is positioned at one side or two sides of the lap joint area or positioned at the surface and two sides of the lap joint area, and the notch is matched with the lap joint area to form an easy-tearing strip of the packaging film; the notch is an opening end and a force application end of the easy-to-tear strip, and the lap joint area is torn with the packaging film along the two sides of the lap joint area after being stressed.

2. The packaging film with easy tear strip according to claim 1, wherein: the packaging film is coated on the surface of the columnar object, and a closing ring is formed on the top surface of the columnar object; the lap joint area extends downwards to the bottom edge of the packaging film from a closing ring at the top surface, and the incision is arranged at the closing ring at the top or at the position, close to the bottom edge of the packaging film, of the lap joint area.

3. The packaging film with easy tear strip according to claim 1, wherein: the packaging film is coated on the surface of the bottle opening of the bottle body, and a closing ring is formed on the top surface of the bottle opening of the bottle body; the lap joint area extends downwards from the closing ring at the top surface to the bottom edge of the packaging film, and the notch is arranged at the closing ring at the top surface or at the lap joint area close to the bottom edge of the packaging film.

4. A packaging film with a tear strip according to claim 2 or 3, characterized in that: the packaging film is also provided with holes for preventing the easy-to-tear strip from being completely broken; incision and prevention of complete breakage of tear tape the holes are respectively positioned at two ends of the lap joint area; preventing easy-tearing strip from being completely torn the fracture hole is a through hole, hole for preventing easy-to-tear strip from breaking completely and a tear line on one side of the overlap region.

5. A packaging film with a tear tape according to any one of claims 1-3, characterized in that: the packaging film is provided with a breaking belt and a transverse incision; or the outer surface of the article is provided with a fracture belt and the packaging film is provided with a transverse incision; the tearing direction can be changed by breaking the strips and transverse cuts.

6. The packaging film with easy tear strip according to claim 1, wherein: the packaging film is coated on the outer surface of the paper extraction to form an outer package of the paper extraction; the overlap joint region is located paper extraction top surface central line department, is equipped with two relative distribution's incision on the top surface of overlap joint region and overlap joint region edge both sides, and two incision intervals set up, and overlap joint region between two incisions and two incisions constitutes the easy tear strip of packaging film, and easy tear strip takes place to tear with the packaging film after, former easy tear strip position department forms the take mouth of paper extraction.

7. The packaging film with easy tear strip according to claim 1, wherein: the packaging film is coated outside the bottle mouth and the bottle cap, a closing ring is formed on the top surface of the bottle cap, and a cover film is adhered to the inner edge of the closing ring; the lap joint area is downwards extended to the bottom edge of the packaging film from the closing ring at the top surface, and the notch is arranged at two sides of the lap joint area and is close to the bottom edge of the packaging film.

8. The packaging film with easy tear strip according to claim 1, wherein: the packaging film is coated at the bottle mouth after being heated, a closing ring is formed at the top surface of the bottle mouth, a cover film is adhered to the inner edge of the closing ring, the bottle cap is pressed at the bottle mouth and positioned outside the packaging film, the cover film is connected with the inner surface of the bottle cap, and a sealing layer is additionally arranged between the bottle mouth and the cover film or at the bottom of the cover film; the lap joint area is downwards extended to the bottom edge of the packaging film from the closing ring at the top surface, and the notch is arranged at two sides of the lap joint area and is close to the bottom edge of the packaging film.

9. The packaging film with easy tear strip according to claim 7 or 8, characterized in that: and the lap joint area is also provided with an opening tab structure at one end close to the notch.

10. The packaging film with easy tear strip according to claim 1, wherein: the incision is one or more combinations of the following structures;

The cut is proximate to the edge of the packaging film and proximate to the overlap region; the two incisions are arranged on two sides of the lap joint area, the two incisions are two oblique line incisions in an inverted trapezoid shape, or two multi-section line incisions, or two straight line incisions which are symmetrically arranged, and the lines of the incisions and the edges of the packaging film are completely broken or partially broken;

The incisions are positioned on the surface and two sides of the lap joint area, the incisions are horseshoe-shaped incisions or arc-shaped incisions, and the lines of the incisions and the edges of the packaging film are completely broken or partially broken.