CN204250584U - A kind of back of the body envelope flanging bag repeating to break seal - Google Patents
A kind of back of the body envelope flanging bag repeating to break seal Download PDFInfo
- Publication number
- CN204250584U CN204250584U CN201420550971.9U CN201420550971U CN204250584U CN 204250584 U CN204250584 U CN 204250584U CN 201420550971 U CN201420550971 U CN 201420550971U CN 204250584 U CN204250584 U CN 204250584U
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- CN
- China
- Prior art keywords
- bar
- slide fastener
- heat
- heat seal
- flanging bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 239000004033 plastic Substances 0.000 claims abstract description 42
- 229920003023 plastic Polymers 0.000 claims abstract description 42
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Making Paper Articles (AREA)
- Bag Frames (AREA)
Abstract
The utility model discloses a kind of back of the body envelope flanging bag repeating to break seal, comprise back of the body envelope flanging bag body and plastic fastener; Plastic fastener comprises bottom with the slide fastener A bar of male bar or female groove and the top slide fastener B bar with auxiliary section, and auxiliary section is female groove or male bar, and is mutually engaged with the male bar of slide fastener A bar or female groove; Inside the front of the back of the body envelope flanging bag body of the plastic fastener heat seal after occlusion between heat-sealing portion, top and heat-sealing portion, the end, form the heat seal ring closed, and the part soaking of slide fastener A bar, slide fastener B bar and the corresponding heat seal ring of back of the body envelope flanging bag body is combined; Heat seal ring is crossed in the auxiliary section of the male bar of slide fastener A bar or female groove and slide fastener B bar, and two ends are positioned on heat seal ring or outside heat seal ring.This back of the body envelope flanging bag achieves and repeats unpacking, and does not destroy original bag of shape and bale capacity, easily manufactured, not easily produces heat-sealing leak.
Description
Technical field
The utility model relates to a kind of packaging film technical field, be specifically related to a kind of back of the body envelope flanging bag repeating to break seal.
Background technology
The kind of sealing bags has a lot, and wherein back of the body envelope flanging bag is exactly a class for packing the common packaging bag brewing food and the animal foodstuff etc. as cat grain and dog grain as milk powder, coffee powder.From structure, back of the body envelope flanging bag adopts sheet film to be raw material, and bag both sides are formed with flanging, and back of the body strip of paper used for sealing is positioned at the back side of packaging bag, and the forward and backward heat-sealing of charging is filled at bag respectively in the bottom of bag and top; This kind of packaging bag has easily manufactured, that bale capacity is large advantage.But this packaging bag can not repeat opening and closing, when cannot single use complete its content, the freshness of the content of packaging bag, fragrance etc. cannot be kept.This is because, in manufacturing line production process, be difficult to install and fixed plastics slide fastener at this packaging bag top with flanging; If public for the plastic fastener of working in coordination bar and master bar to be installed on respectively both sides, inside, the again heat seal of packaging bag, the capacity of packaging bag can be reduced; And due to the flanging of projection and back of the body strip of paper used for sealing, when sealing inside the public bar of plastic fastener or master bar and packaging bag, also easily produce leak.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, and design a kind of back of the body envelope flanging bag repeating to break seal, this back of the body envelope flanging bag can not reduce capacity, the easily manufacture of packaging bag and seal respond well.
For achieving the above object, the utility model is achieved through the following technical solutions: a kind of back of the body envelope flanging bag repeating to break seal, comprises back of the body envelope flanging bag body and plastic fastener; Top, heat-sealing portion, the end are formed respectively on top and the bottom of back of the body envelope flanging bag body; Plastic fastener comprises bottom with the slide fastener A bar of male bar or female groove and the top slide fastener B bar with auxiliary section, and auxiliary section is female groove or male bar, and is mutually engaged with the male bar of slide fastener A bar or female groove; Inside the front of the back of the body envelope flanging bag body of the plastic fastener heat seal after occlusion between heat-sealing portion, top and heat-sealing portion, the end, form the heat seal ring closed; The part soaking of slide fastener A bar, slide fastener B bar and the corresponding heat seal ring of back of the body envelope flanging bag body is combined; Heat seal ring is crossed in the auxiliary section of the male bar of slide fastener A bar or female groove and slide fastener B bar, and two ends are positioned on heat seal ring or outside heat seal ring.
Making plastic fastener out exposed for the ease of tearing packaging bag, preferably, in described heat seal ring, outside the front of described back of the body envelope flanging bag body, being provided with laser grooving.
More laborsaving in order to make to open plastic fastener, preferably, described plastic fastener heat seal is in the top of described back of the body envelope flanging bag body; Described slide fastener B bar and the superimposed part of described slide fastener A bar is clipped in described slide fastener A bar and the described back of the body seals between the front of flanging bag body.
Preferably, described laser grooving is linear, and the direction parallel or substantially parallel along the male bar or female groove with described slide fastener A bar extends, and laser grooving is positioned at above the described slide fastener B bar of described heat seal ring.
In order to reduce the area of heat seal ring, taking into account simultaneously and tearing packaging bag and make plastic fastener exposed out more laborsaving, the line part be connected respectively with the two ends of curved portions that described laser grooving comprises curved portions protruding upward and is positioned at curved portions both sides.
More laborsaving in order to make to open plastic fastener, preferably, outside the front of described back of the body envelope flanging bag body, be also bonded with stick; At the inner surface of stick towards back of the body envelope flanging bag body, middle and lower part is with the adhesive agent district of adhesive agent, and top is binder free district, and the curved portions of described laser grooving is crossed in adhesive agent district.
In order to improve the sealing effectiveness of packaging, preferably, described slide fastener A, B bar is also formed with the heat-sealing bar making slide fastener A, B bar heat-sealing above occlusion place, the top certain distance of slide fastener B bar described in the distance from top of heat-sealing bar, and the heat seal strength of heat-sealing bar is less than the heat seal strength of described heat seal ring; A. g. is there is between the inner side that heat-sealing bar in described heat seal ring and the described back of the body seal flanging bag body.
In order to reduce plastic fastener positioning accuracy request, preferably, the two ends of the male bar of described slide fastener A bar or the auxiliary section of female groove and described slide fastener B bar are positioned at outside heat seal ring.Namely described heat seal ring by the male bar of described slide fastener A bar or female groove and the auxiliary section of described slide fastener B bar is divided into be positioned at heat seal ring part, be positioned at the part outside heat seal ring and be positioned at the part of heat seal ring.
In order to improve the barrier of described back of the body envelope flanging bag, preferably, described back of the body envelope flanging bag body is made up of multi-layer compound film, and described multi-layer compound film is followed successively by aluminizer, glue layer, printing ink layer and overlay from the inside to the outside.
Advantage of the present utility model and beneficial effect are: the utility model back of the body envelope flanging bag is at the frontal design plastic fastener of bag, and under the prerequisite not destroying original bag of shape and bale capacity, what can realize packaging bag repeats unpacking; In the manufacture of packaging bag, together with by heat seal ring plastic fastener being heat sealing at inside the front of packaging bag, not only can easily, by front heat seal plastic fastener can be fixed on back of the body envelope flanging bag in plastic fastener location, manufacture more convenient, protruding flanging or back of the body envelope also can not affect seals; And when tearing packaging bag or pull open plastic fastener in heat seal ring, the scope of tearing is limited in heat seal ring, reduces and repeat the possibility of plastic fastener to packaging bag generation destruction of breaking seal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the back of the body envelope flanging bag that can repeat in embodiment 1 to break seal;
Fig. 2 be in Fig. 1 I-I line partly cut open schematic diagram;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2;
Fig. 4 be in Fig. 1 plastic fastener exposed out time structural representation;
Fig. 5 is the structural representation in Fig. 1 inside back of the body envelope flanging bag body front;
Fig. 6 is the structural representation of the back of the body envelope flanging bag that can repeat in embodiment 2 to break seal;
Fig. 7 be in Fig. 6 I-I line partly cut open schematic diagram;
Fig. 8 is the partial enlarged drawing at A place in Fig. 7;
Fig. 9 is the structural representation of the back of the body envelope flanging bag that can repeat in embodiment 3 to break seal;
Figure 10 be tear along laser grooving in Fig. 9, plastic fastener exposed out time structural representation;
Figure 11 is the structural representation of the back of the body envelope flanging bag that can repeat in embodiment 4 to break seal;
Figure 12 be tear along laser grooving in Figure 11, plastic fastener exposed out time structural representation;
Figure 13 be in embodiment 5 along laser grooving tear back of the body envelope flanging bag and after tearing heat-sealing bar, plastic fastener exposed out time the structural representation of back of the body envelope flanging bag.
In figure: 1, back of the body envelope flanging bag body; 1-1, aluminizer; 1-2, glue layer; 1-3, printing ink layer; 1-4, overlay; 2, plastic fastener; 3, heat seal ring; 4, laser grooving; 5, stick; 11, heat-sealing portion is pushed up; 12, heat-sealing portion, the end; 13, flanging; 14, strip of paper used for sealing is carried on the back; 21, slide fastener A bar; 22, slide fastener B bar; 210, public bar; 220, female groove; 23, bar is sealed; 41, curved portions; 42-1 and 42-2, line part; 51, adhesive agent district; 52, binder free district.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, detailed description of the invention of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
Embodiment 1
The utility model is a kind of back of the body envelope flanging bag repeating to break seal, and comprises back of the body envelope flanging bag body 1 and plastic fastener 2.
Wherein, as shown in Figure 1, heat-sealing portion 11, top is formed on the top of back of the body envelope flanging bag body 1, heat-sealing portion 12 at the bottom of the bottom formation of back of the body envelope flanging bag body 1; The both sides of back of the body envelope flanging bag body 1 form flanging 13, and the back side of back of the body envelope flanging bag body 1 is formed with back of the body strip of paper used for sealing 14.
Plastic fastener 2 is made up of slide fastener A bar 21 and slide fastener B bar 22, as shown in Figures 2 to 5; The bottom of slide fastener A bar 21 is with public bar 210, and the top of slide fastener B bar is with female groove 220, and male bar 210 and female groove 220 can be worked in coordination namely engaged.
Inside the front of the back of the body envelope flanging bag body 1 of plastic fastener 2 heat seal after male bar 210 and female groove 220 are engaged between heat-sealing portion 11, top and heat-sealing portion, the end 12.Plastic fastener 2 and the back of the body seal flanging bag body 1 be heat sealing at together with region form a closed heat seal ring 3, as shown in Figure 1; The part soaking that slide fastener A bar 21, slide fastener B bar 22 and back of the body envelope flanging bag body 1 correspond to heat seal ring 3 is combined; Namely, not only slide fastener A bar 21 part that is positioned at heat seal ring 3 and the back of the body seal flanging bag body 1 be heat sealing at together with, slide fastener B bar 22 part that is positioned at heat seal ring 3 seals together with flanging bag body 1 is heat sealing at carrying on the back, together with the lap that slide fastener A bar 21 and slide fastener B bar 22 are positioned at heat seal ring 3 is also heat sealing at.
Due to the occlusion of male bar 210 and female groove 220, the bottom of slide fastener A bar 21 is overlapping with the top of slide fastener B bar 22.Conveniently in back of the body envelope flanging bag, pick and place article, as shown in Figure 1 and Figure 4, plastic fastener 2 preferably heat seal seals the top of flanging bag body 1 in the back of the body; Slide fastener B bar 22 and the superimposed part of slide fastener A bar 21 are sandwiched in slide fastener A bar 21 and the back of the body seals between flanging bag body 1 front.Because the space below slide fastener B bar 22 is large compared with the space above slide fastener A bar 21, slide fastener B bar 22 and the superimposed part of slide fastener A bar 21 are sandwiched in slide fastener A bar 21 and the back of the body seals between flanging bag body 1 front, can be more laborsaving when opening plastic fastener 2 like this.
Observe inside the front of back of the body envelope flanging bag body 1, as shown in Figure 4 and Figure 5, the male bar 210 of slide fastener A bar 21 and female groove 220 of slide fastener B bar 22 is all crossed heat seal ring 3; The male bar 210 of slide fastener A bar 21 and can also can outside heat seal ring 3 on heat seal ring 3 by the two ends of female groove 220 of slide fastener B bar 22.If the two ends of male bar 210 and female groove 220 are heat sealing at outside heat seal ring 3, so male bar 210 and female groove 220 are separated into and are positioned at part inside heat seal ring 3, are positioned at the part outside heat seal ring 3 and are positioned at the part of heat seal ring 3 by heat seal ring 3 respectively, surplus can be left for the location plastic fastener 2 inside back of the body envelope flanging bag body 1 front and heat seal thereof, thus reduce the positioning accuracy request to plastic fastener 2.
Certainly, in the structure of above-mentioned back of the body envelope flanging bag, also can be slide fastener A bar 21 with female groove, slide fastener B bar 22 is with the male bar be namely engaged with this female slot fit.Here repeat no more.
Embodiment 2
On the basis of embodiment 1, as what improve, in the present embodiment, as shown in Figure 6 to 8, in order to increase the barrier of back of the body envelope flanging bag, select to adopt multi-layer compound film manufacture back of the body envelope flanging bag body 1.Here multi-layer compound film is followed successively by aluminizer 1-1, glue layer 1-2, printing ink layer 1-3 and overlay 1-4 from the inside to the outside, is bonded together by glue layer 1-2 by aluminizer 1-1 and the inner overlay 1-4 being printed on printing ink layer 1-3.Transparent surface film is mainly as the base material of printing ink layer 1-3, and play the effect of protection printing ink layer 1-3, it can be selected as the one in biaxial stretching polyester, Biaxially oriented polypropylene and biaxial tension nylon etc.
In addition, the easy opening of flanging bag body is sealed in order to make the back of the body, can be provided with laser grooving 4 by laser beam irradiation outside the front being positioned at heat seal ring 3 of back of the body envelope flanging bag body 1, as shown in Figure 6 and Figure 7, laser grooving 4 is arranged at the top of the slide fastener B bar 22 in heat seal ring 3.The aluminium lamination of aluminizer intercepts laser, and therefore laser grooving 4 can not destroy aluminizer 1-1, and then can not destroy the barrier of back of the body envelope flanging bag body 1, thus while the barrier improving back of the body envelope flanging bag, which in turn improves the easy Kekelé structure count of back of the body envelope flanging bag.
The shape of laser grooving 4 has a variety of selection, strengthens as long as play the easy Kekelé structure count that the pack of back of the body package is positioned at heat seal ring 3.Simple laser grooving 4 can be selected to be linear, and extends along the direction parallel or substantially parallel with the public bar 210 of slide fastener A bar 21; As shown in Figure 6, laser grooving 4 is linear; Like this from after the pack of back of the body package opened by laser grooving 4, the male bar 210 of occlusion and female groove 220 can be out exposed.
Embodiment 3
With embodiment 2 unlike, the laser grooving 4 in the present embodiment is not linear.As shown in Figure 9 and Figure 10, laser grooving 4 is by curved portions 41 protruding upward and be positioned at forming with line part 42-1,42-2 that the two ends of curved portions 41 are connected respectively of curved portions 41 both sides.The center of curved portions 41 provides a stress defect point; Compared with rectilinear laser grooving 4, such laser grooving 4 is set and is convenient to tear back of the body envelope flanging bag body 1 and makes plastic fastener 2 out exposed; Compared to the laser grooving 4 of arc, the area of heat seal ring 3 also can be reduced.
Embodiment 4
On the basis of embodiment 3, as what improve, in the present embodiment, as is illustrated by figs. 11 and 12, carry on the back outside the front sealing flanging bag body 1 and be also bonded with stick 5.At the inner surface of stick 5 towards back of the body envelope flanging bag body 1, middle and lower part is the adhesive agent district 51 with adhesive agent, and top is binder free district 52; The curved portions 41 of laser grooving 4 is crossed in the adhesive agent district of stick 5.When tearing back of the body envelope flanging bag body 1, pinch the binder free district 52 on stick 5 top, tear stick 5 downwards; When tearing to laser grooving 4 place, drive back of the body envelope flanging bag body 1 to move downward, thus make to tear back of the body envelope flanging bag body 1 make that plastic fastener 2 is exposed out can be more laborsaving.
Embodiment 5
On the basis of embodiment 3, as what improve, in the present embodiment, as shown in figure 13, slide fastener A, B bar 21,22 is also formed with the heat-sealing bar 23 making slide fastener A, B bar heat-sealing above male bar 210 and female groove 220 occlusion place; Certain distance is reserved, for tearing heat-sealing bar 23 from this between the top of slide fastener B bar 22 and heat-sealing bar 23.In addition, heat-sealing bar 23 seal together with flanging bag body 1 is heat sealing at the back of the body, instant heating strip of paper used for sealing 23 and carry on the back seal flanging bag body 1 inner side between air there is gap; During manufacture, male bar 210 and female groove 220 of first plastic fastener 2 are engaged mutually, make slide fastener A, B bar 21,22 above occlusion place, form heat-sealing bar 23 by heat-sealing again, and then plastic fastener 2 is loaded the inner side of back of the body envelope flanging bag body 1, form heat seal ring 3 by heat seal.The heat seal strength that heat-sealing bar 23 is set lower than or even far below the heat seal strength of heat seal ring 3; Therefore, while tearing heat-sealing bar 23, heat seal ring 3 can not be destroyed.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. can repeat a back of the body envelope flanging bag of breaking seal, it is characterized in that, comprise back of the body envelope flanging bag body and plastic fastener; Top, heat-sealing portion, the end are formed respectively on top and the bottom of back of the body envelope flanging bag body; Plastic fastener comprises bottom with the slide fastener A bar of male bar or female groove and the top slide fastener B bar with auxiliary section, and auxiliary section is female groove or male bar, and is mutually engaged with the male bar of slide fastener A bar or female groove; Inside the front of the back of the body envelope flanging bag body of the plastic fastener heat seal after occlusion between heat-sealing portion, top and heat-sealing portion, the end, form the heat seal ring closed, and the part soaking on slide fastener A bar, slide fastener B bar and the corresponding heat seal ring of back of the body envelope flanging bag body is combined; Heat seal ring is crossed in the auxiliary section of the male bar of slide fastener A bar or female groove and slide fastener B bar, and two ends are positioned on heat seal ring or outside heat seal ring.
2. can repeat the back of the body envelope flanging bag of breaking seal as claimed in claim 1, it is characterized in that, in described heat seal ring, outside the front of described back of the body envelope flanging bag body, be provided with laser grooving.
3. can repeat the back of the body envelope flanging bag of breaking seal as claimed in claim 2, it is characterized in that, described plastic fastener heat seal is in the top of described back of the body envelope flanging bag body; Described slide fastener B bar and the superimposed part of described slide fastener A bar is clipped in described slide fastener A bar and the described back of the body seals between the front of flanging bag body.
4. can repeat the back of the body envelope flanging bag of breaking seal as claimed in claim 3, it is characterized in that, described laser grooving is linear, and the direction parallel or substantially parallel along the male bar or female groove with described slide fastener A bar extends, and laser grooving is positioned at above the described slide fastener B bar of described heat seal ring.
5. can repeat the back of the body envelope flanging bag of breaking seal as claimed in claim 4, it is characterized in that, the line part be connected respectively with the two ends of curved portions that described laser grooving comprises curved portions protruding upward and is positioned at curved portions both sides.
6. can repeat the back of the body envelope flanging bag of breaking seal as claimed in claim 5, it is characterized in that, outside the front of described back of the body envelope flanging bag body, also be bonded with stick; At the inner surface of stick towards back of the body envelope flanging bag body, middle and lower part is with the adhesive agent district of adhesive agent, and top is binder free district, and the curved portions of described laser grooving is crossed in adhesive agent district.
7. can repeat the back of the body envelope flanging bag of breaking seal as claimed in claim 1, it is characterized in that, described slide fastener A, B bar is also formed with the heat-sealing bar making slide fastener A, B bar heat-sealing above occlusion place, the top certain distance of slide fastener B bar described in the distance from top of heat-sealing bar, and the heat seal strength of heat-sealing bar is less than the heat seal strength of described heat seal ring; A. g. is there is between the inner side that heat-sealing bar in described heat seal ring and the described back of the body seal flanging bag body.
8. the back of the body envelope flanging bag of the repeated unpacking as described in claim 1 to 7 any one, it is characterized in that, the two ends of the auxiliary section of the male bar of described slide fastener A bar or female groove and described slide fastener B bar are positioned at outside heat seal ring.
9. the back of the body envelope flanging bag of the repeated unpacking as described in claim 1 to 7 any one, described back of the body envelope flanging bag body is made up of multi-layer compound film, and described multi-layer compound film is followed successively by aluminizer, glue layer, printing ink layer and overlay from the inside to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550971.9U CN204250584U (en) | 2014-09-24 | 2014-09-24 | A kind of back of the body envelope flanging bag repeating to break seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550971.9U CN204250584U (en) | 2014-09-24 | 2014-09-24 | A kind of back of the body envelope flanging bag repeating to break seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204250584U true CN204250584U (en) | 2015-04-08 |
Family
ID=52954916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420550971.9U Expired - Fee Related CN204250584U (en) | 2014-09-24 | 2014-09-24 | A kind of back of the body envelope flanging bag repeating to break seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204250584U (en) |
-
2014
- 2014-09-24 CN CN201420550971.9U patent/CN204250584U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 |