CN102320416B - Packaging material used for packaging foods - Google Patents
Packaging material used for packaging foods Download PDFInfo
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- CN102320416B CN102320416B CN 201110158298 CN201110158298A CN102320416B CN 102320416 B CN102320416 B CN 102320416B CN 201110158298 CN201110158298 CN 201110158298 CN 201110158298 A CN201110158298 A CN 201110158298A CN 102320416 B CN102320416 B CN 102320416B
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- Prior art keywords
- crease line
- relative deflection
- line
- lateral fold
- layer
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 29
- 235000013305 food Nutrition 0.000 title abstract description 9
- 239000005022 packaging material Substances 0.000 title abstract 5
- 239000010410 layer Substances 0.000 claims abstract description 78
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000012790 adhesive layer Substances 0.000 claims abstract description 11
- 235000021056 liquid food Nutrition 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 25
- 230000004888 barrier function Effects 0.000 claims description 18
- 239000011229 interlayer Substances 0.000 claims description 13
- 238000003475 lamination Methods 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- -1 barrier layere Substances 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 description 13
- 239000007788 liquid Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000007373 indentation Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 235000021485 packed food Nutrition 0.000 description 3
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
- 235000013618 yogurt Nutrition 0.000 description 1
Landscapes
- Wrappers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a packaging material used for packaging foods, in particular a packaging material used for packaging liquid foods. The packaging material used for packaging the liquid foods provided by the invention is provided with a longitudinal crease line, a transverse crease line and a slant crease line and comprises a thermoplastic material outermost layer, a support layer, a thermoplastic material intermediate layer, a blocking layer, an adhesive layer and a thermoplastic material innermost layer which are laminated in sequence; one surface of the support layer arranged towards the thermoplastic material outermost layer is printed with an identification mark; and the longitudinal crease line, the transverse crease line and the slant crease line are formed on the surface of the support layer arranged towards the thermoplastic material outermost layer. According to the packaging material disclosed by the invention, the firmer crease lines are provided; furthermore, the excellent packaging forming easiness is provided; simultaneously, the stress damage to the blocking layer in crease line pressing process and continuous packaging forming folding process is avoided; and therefore, cracks are prevented.
Description
Technical field
The present invention relates to a kind of packing for packaged food, the particularly packing of packaging liquid food.
Background technology
At present, generally adopt square, triangle class packaging body for pourable food liquids such as fresh milk, yoghurt, fruit juice, wine, catsup, it is multiple that the material of this packaging body has, and general the most frequently used is to adopt composite material.Common composite material comprise at least following which floor: thermoplastic material outermost layer, supporting layer, thermoplastic material interlayer, barrier layere, adhesive layer and thermoplastic material innermost layer are printed with identifying information towards thermoplastic plastic on outermost one side at supporting layer.
The thermoplastic material outermost layer is used for providing the actv. protection to the food liquid in packaging body, does not allow moisture and liquid state invade in packing; Identifying information is used for the information such as sign product, producer, advertisement to be different from the product of other producers; Supporting layer is used for firm and strengthens packing container, mostly is lamination coating, paper for example, this also long papery base layer that is called; The thermoplastic material interlayer is used for bonding supporting layer and barrier layere, protects simultaneously supporting layer, prevents that food liquid from entering supporting layer; Barrier layere is used for starvation, sunlight and prevents that the product taste runs off between thermoplastic material interlayer and adhesive layer; Adhesive layer is used for adding firm between high containment and thermoplastic material innermost layer; The thermoplastic material innermost layer directly contacts with food liquid, be used for to keep the quality of food liquid, prevents that simultaneously food liquid is with respect to the infiltration of packaging body supporting layer and wetting.Wherein, thermoplastic material outermost layer, thermoplastic material interlayer, adhesive layer and thermoplastic material innermost layer can use the Low Density Polyethylene (LDPE) of producing with high-pressure process, recommendation linear low density polyethylene (LLDPE), further recommendation is by the ethyleneα-olefincopolymer (so-called metallocene PD, mLLDPE) of metalloscene catalyst catalytic polymerization; Supporting layer is generally the papery base layer, can use duplex paper (DULEX), the clay coated paper of craft paper, bleached paper (FBL), non-bleached paper (UBL), bleached paper and non-bleached paper, duplex paper (MB) of multilayer etc.; Barrier layere can use aluminium foil, metal/inorganic oxide film, ethylene-vinyl alcohol copolymer (EVOH), nylon etc.Will be above-mentioned at least which floor is compound in aggregates and form compound package material, compound package material is not easily separated.
In order to prevent that packaged food liquid from suffering secondary pollution, whole packing forming process all will be carried out under aseptic state.At first, sterile material webs is shaped to the cylindrical packages material, and dual-side has been formed continuous, vertical pipe by vertically sealing-in.This pipe forms top or the bottom of packing container in the horizontal sealing-in of one end, then fills required food liquid, afterwards with the corresponding laterally sealing-in of the residue end of pipe, and bottom or the top of making packing container.Cut the transverse packed zone by cutting knife at last, forming single packaging body, and the packaging body that these are single delivers in final folding and shaped device, is folded into final shape along the folding line of packaging body by mechanical, as brick type or other shapes.
So, for packaging process be convenient at last moulding, at first to according to the shape of packing box, in the process of making this compound package material, just adopt special impression device to suppress different crease lines on this compound package material.Specifically, suppress vertical crease line, lateral fold line and oblique crease line on compound package material, vertically crease line is positioned at the perpendicular edge of packaging body, and the lateral fold line is positioned at the base of packaging body and the position that is used for transverse sealing, and oblique crease line is positioned at the knuckle place of packaging body.
But, even this situation that sets in advance crease line, compound package material also still can be subject to great drawing stress in being pressed crease line and follow-up folding process, this is because compound package material has certain thickness, when the pressure of impression device hour, the effect of crease line on compound package material is also not obvious, is unfavorable for follow-up FOLD AND PACK moulding; When the pressure of impression device is larger, compound package material can produce larger stress at the impression place, if this moment, supporting layer used lamination coating, lamination coating easily is elongated and the danger that generates the crack is arranged in burst, when drawing stress is larger, thermoplastic material innermost layer in compound package material has the danger of cracking, cause the leakage of packing container, prior, when barrier layere is aluminium foil layer, the danger that generates the crack can be larger, because the tensile property of aluminium foil is much lower more than the thermal plastic material; Even the pressure of impression device is controlled to most suitable state, both guaranteed the effect of crease line, compound package material is not pulled, also guarantee unavoidably in follow-up packing forming process, supporting layer, thermoplastic material layer and barrier layere that packaging body is caused during by the folding forming of machinery are produced the crack by stress damage.
Chinese invention patent specification sheets CN1275831C discloses a kind of for the production of packaging for foodstuff and weblike material with the multiple folding lines that form by impression, described fold line comprises the longitudinal folding line of the perpendicular edge that has formed described packing, and many transverse line that formed the base of described packing; It is characterized in that, described longitudinal folding line has the impression intensity lower than described transverse line.This patent of invention is by taking longitudinal folding line to have the impression intensity this means lower than transverse line, solves packing and not only easily is shaped but also some strength and stability can be arranged, and the damage that the fiber that makes paper is subject to when horizontal impression reduces.But this mode still can not avoid barrier layere to be scored stress damage and the crack that produces.
Summary of the invention
The packing that the purpose of this invention is to provide a kind of packaging liquid food, these packing can use less pressure can reach crease line effect preferably when crease line is suppressed, and can not produce the secondary stress injury to barrier layere in the body formed process of subsequent packages.
for solving the problems of the technologies described above, the invention provides a kind of packing for packaging liquid food, has vertical crease line, lateral fold line and oblique crease line, the thermoplastic material outermost layer that comprises the order lamination, supporting layer, the thermoplastic material interlayer, barrier layere, adhesive layer and thermoplastic material innermost layer, be printed with identifying information at described supporting layer on the outermost one side of described thermoplastic plastic, described vertical crease line, described lateral fold line and described oblique crease line are formed on described supporting layer on the outermost one side of described thermoplastic material.
As a modification of the present invention, the relative deflection of described vertical crease line, described lateral fold line and described oblique crease line is in 55%～75% scope.
As a further improvement on the present invention, described vertical crease line, described lateral fold line and described oblique crease line have from described identifying information to the recessed profile of described supporting layer.
As a further improvement on the present invention, described supporting layer has the protrusion profile corresponding with described vertical crease line, described lateral fold line and described oblique crease line towards the one side of described thermoplastic material interlayer.
As a further improvement on the present invention, the relative deflection of described vertical crease line is lower than the relative deflection of described lateral fold line, and the relative deflection of described oblique crease line is between the relative deflection of the relative deflection of described vertical crease line and described lateral fold line.
As a further improvement on the present invention, the relative deflection of described vertical crease line is in 55%～65% scope, the relative deflection of described oblique crease line is in 60%～70% scope, and the relative deflection of described lateral fold line is in 65%～75% scope.
As a further improvement on the present invention, the relative deflection of described vertical crease line is than the relative deflection low 2%～20% of described lateral fold line; The relative deflection of oblique crease line is than the relative deflection low 2%～15% of lateral fold line.
As a further improvement on the present invention, the relative deflection of described vertical crease line is than the relative deflection low 5%～20% of described lateral fold line; The relative deflection of oblique crease line is than the relative deflection low 2%～10% of lateral fold line.
As a further improvement on the present invention, the relative deflection of described vertical crease line is than the relative deflection low 10% of described lateral fold line; The relative deflection of oblique crease line is than the relative deflection low 5% of lateral fold line.
As a further improvement on the present invention, described barrier layere is aluminium foil, and/or described supporting layer is the papery base layer.
The present invention compared with prior art, because crease line is only suppressed on supporting layer, thickness is less, so the pressure of crease line does not need very large, the stress injury of having avoided barrier layere to be subject in compacting crease line process, afterwards, only need suppressing that on the supporting layer of crease line, coating thermal plastic material outermost layer, adhesive layer, barrier layere and thermal plastic material's innermost layer can obtain compound package material.The present invention had both had firmer crease line, had again good packing moulding easiness, had avoided simultaneously barrier layere to reach the stress injury that is subject to when the subsequent packages moulding folds in compacting crease line process, had prevented the generation in crack.
Description of drawings
Fig. 1 is the schematic diagram of crease line on packing supporting layer of the present invention.
The specific embodiment
A kind of packing for packaging liquid food, packing comprise thermoplastic material outermost layer, supporting layer, thermoplastic material interlayer, barrier layere, adhesive layer and the thermoplastic material innermost layer of order lamination, be printed with identifying information towards thermoplastic plastic on outermost one side at supporting layer, supporting layer recommendation papery base layer in the present invention, barrier layere uses aluminium foil.
As shown in Figure 1, towards the outermost one side of thermoplastic material, namely on the A face, be suppressed with vertical crease line 11, lateral fold line 12 and oblique crease line 13 at supporting layer.These three kinds of crease lines are suppressed by special indentation roller, and indentation roller can adopt outside face the sort of with the impression bar of projection and recessed impression groove respectively, and the impression bar is corresponding one by one with the driving surface of impression groove; Also can adopt outside face the sort of without the impression groove with the impression bar of projection and smooth driving surface respectively.The downtrodden degree of crease line can represent with relative deflection, relatively deflection refer to material after the compacting crease line with suppress crease line before the ratio of deflection, when crease line was darker, the deflection value was less relatively, and deflection can realize by the suitable change folding line degree of depth relatively.When the relative deflection of vertical crease line 11, lateral fold line 12 and oblique crease line 13 all is in 55%～75% scope, the impression effect that obtains is better, to the damage of supporting layer also in the acceptable scope, this moment, the relative deflection of three crease lines can be identical, such as being 55%, or be 60%, or be 70%, or be 75%; Also can be in this scope value arbitrarily.
Vertical crease line 11 on supporting layer A face, lateral fold line 12 and oblique crease line 13 have the profile recessed from this identifying information to supporting layer, during respectively with the impression bar of projection and recessed impression groove, this moment, supporting layer had the protrusion profile corresponding with vertical crease line 11, lateral fold line 12 and oblique crease line 13 towards the one side of thermoplastic material interlayer when the outside face that uses indentation roller; When the outside face that uses indentation roller respectively with the impression bar of projection and smooth driving surface during without the impression groove, this moment, supporting layer was the plane towards the one side of thermoplastic material interlayer, there is no the protrusion profile corresponding with vertical crease line 11, lateral fold line 12 and oblique crease line 13.Thisly be by the benefit of identifying information to the recessed doubling direction of supporting layer, when packaging body is foldable formed, the packing material stacks that produces that is squeezed can be carried out to the inside of packaging body, so neither affect the cleanliness moulding attractive in appearance of packaging body outside face, also be not easy in the subsequent transportation process, the packaging body burst to be scratched.
Better be shaped and stablizing effect in order to reach packing, also can relatively further improve on deflection, on supporting layer A face, vertically the relative deflection of crease line 11 is lower than the relative deflection of lateral fold line 12, and the relative deflection of oblique crease line 13 is between the relative deflection of the relative deflection of vertical crease line 11 and lateral fold line 12.The relatively weak vertical crease line 11 of relative deflection is compared in employing with lateral fold line 12, packaging body more easily is shaped, simultaneously, adopt and compare the relatively strong lateral fold line 12 of relative deflection with vertical crease line 11, can make packaging body have behavior of structure preferably.The relative deflection of oblique crease line 13 is between the relative deflection of the relative deflection of vertical crease line 11 and lateral fold line 12, packing are more easily carried out when folding around the corner, and meet also different characteristics of relative deflection that supporting layer not can bear simultaneously in grain direction.Concrete, vertically the relative deflection of crease line is in 55%～65% scope, and the relative deflection of oblique crease line is in 60%～70% scope, and the relative deflection of lateral fold line should be in 65%～75% scope.Such as, when vertically the relative deflection of crease line was 55%, the relative deflection of oblique crease line was 60%, the relative deflection of lateral fold line is preferably 65%; When vertically the relative deflection of crease line was 60%, the relative deflection of oblique crease line was 65%, and the relative deflection of lateral fold line is preferably 70%; When vertically the relative deflection of crease line was 65%, the relative deflection of oblique crease line was 70%, and the relative deflection of lateral fold line is preferably 75%.Vertically the relative deflection of crease line is lower by 2%～20% than the relative deflection of lateral fold line, is preferably 5%～20%, is preferably 10%; The relative deflection of oblique crease line is lower by 2%～15% than the relative deflection of lateral fold line, is preferably 2%～10%, is preferably 5%.
The method that these packing are realized is: first suppress vertical crease line, lateral fold line and oblique crease line on the supporting layer of identifying information being printed with, afterwards, only need that on the supporting layer of crease line, coating thermal plastic material outermost layer, thermoplastic material interlayer, adhesive layer and thermal plastic material's innermost layer can obtain packing of the present invention suppressing according to technique.
Claims (10)
1. packing that are used for packaging liquid food, have vertical crease line, lateral fold line and oblique crease line, the thermoplastic material outermost layer, supporting layer, thermoplastic material interlayer, barrier layere, adhesive layer and the thermoplastic material innermost layer that comprise the order lamination, be printed with identifying information at described supporting layer on the outermost one side of described thermoplastic plastic, it is characterized in that: described vertical crease line, described lateral fold line and described oblique crease line are formed on described supporting layer on the outermost one side of described thermoplastic material; And, described packing are achieved in that first and suppress vertical crease line, lateral fold line and oblique crease line on the supporting layer of identifying information being printed with, afterwards, only need that on the supporting layer of crease line, coating lamination thermal plastic material outermost layer, thermoplastic material interlayer, barrier layere, adhesive layer and thermal plastic material's innermost layer can obtain suppressing according to technique.
2. packing according to claim 1 is characterized in that: the relative deflection of described vertical crease line, described lateral fold line and described oblique crease line is in 55%～75% scope.
3. packing according to claim 1, it is characterized in that: described vertical crease line, described lateral fold line and described oblique crease line have from described identifying information to the recessed profile of described supporting layer.
4. packing according to claim 1, it is characterized in that: described supporting layer has the protrusion profile corresponding with described vertical crease line, described lateral fold line and described oblique crease line towards the one side of described thermoplastic material interlayer.
5. packing according to claim 1, it is characterized in that: the relative deflection of described vertical crease line is lower than the relative deflection of described lateral fold line, and the relative deflection of described oblique crease line is between the relative deflection of the relative deflection of described vertical crease line and described lateral fold line.
6. packing according to claim 5, it is characterized in that: the relative deflection of described vertical crease line is in 55%～65% scope, the relative deflection of described oblique crease line is in 60%～70% scope, and the relative deflection of described lateral fold line is in 65%～75% scope.
7. packing according to claim 5 is characterized in that: the relative deflection of described vertical crease line is than the relative deflection low 2%～20% of described lateral fold line; The relative deflection of described oblique crease line is than the relative deflection low 2%～15% of described lateral fold line.
8. packing according to claim 5 is characterized in that: the relative deflection of described vertical crease line is than the relative deflection low 5%～20% of described lateral fold line; The relative deflection of described oblique crease line is than the relative deflection low 2%～10% of described lateral fold line.
9. packing according to claim 5 is characterized in that: the relative deflection of described vertical crease line is than the relative deflection low 10% of described lateral fold line; The relative deflection of described oblique crease line is than the relative deflection low 5% of described lateral fold line.
10. described packing of any one according to claim 1 to 9, it is characterized in that: described barrier layere is aluminium foil, and/or described supporting layer is the papery base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110158298 CN102320416B (en) | 2011-06-13 | 2011-06-13 | Packaging material used for packaging foods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110158298 CN102320416B (en) | 2011-06-13 | 2011-06-13 | Packaging material used for packaging foods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102320416A CN102320416A (en) | 2012-01-18 |
| CN102320416B true CN102320416B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110158298 Active CN102320416B (en) | 2011-06-13 | 2011-06-13 | Packaging material used for packaging foods |
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| Country | Link |
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| CN (1) | CN102320416B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11850819B2 (en) | 2019-12-31 | 2023-12-26 | Zhejiang Minong Century Group Co., Ltd | Control method for transverse to longitudinal crease stiffness ratio |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK3597551T3 (en) | 2018-07-16 | 2021-11-15 | Tetra Laval Holdings & Finance | SHEET PACKAGING MATERIAL FOR PRODUCING SEALED PACKAGES FOR CURRENT FOOD PRODUCTS, SEALED PACKAGING FOR SUSTAINABLE FOOD PRODUCTS AND PROCEDURE FOR PREPARING A PREPARATION |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446167A (en) * | 2000-07-31 | 2003-10-01 | 利乐拉瓦尔集团及财务有限公司 | Method of manufacturing paper packaging container and paper packaging container |
| CN2590949Y (en) * | 2002-10-24 | 2003-12-10 | 王威之 | Liquid food normal temperature preservation packaging box |
| CN1582245A (en) * | 2001-11-02 | 2005-02-16 | 利乐拉瓦尔集团及财务有限公司 | Web packaging material for packaging food products |
| CN101827754A (en) * | 2008-04-21 | 2010-09-08 | 利乐拉瓦尔集团及财务有限公司 | Inside creasing |
| CN202130709U (en) * | 2011-06-13 | 2012-02-01 | 吴壮 | Packing material for packing foods |
-
2011
- 2011-06-13 CN CN 201110158298 patent/CN102320416B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446167A (en) * | 2000-07-31 | 2003-10-01 | 利乐拉瓦尔集团及财务有限公司 | Method of manufacturing paper packaging container and paper packaging container |
| CN1582245A (en) * | 2001-11-02 | 2005-02-16 | 利乐拉瓦尔集团及财务有限公司 | Web packaging material for packaging food products |
| CN2590949Y (en) * | 2002-10-24 | 2003-12-10 | 王威之 | Liquid food normal temperature preservation packaging box |
| CN101827754A (en) * | 2008-04-21 | 2010-09-08 | 利乐拉瓦尔集团及财务有限公司 | Inside creasing |
| CN202130709U (en) * | 2011-06-13 | 2012-02-01 | 吴壮 | Packing material for packing foods |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11850819B2 (en) | 2019-12-31 | 2023-12-26 | Zhejiang Minong Century Group Co., Ltd | Control method for transverse to longitudinal crease stiffness ratio |
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| Publication number | Publication date |
|---|---|
| CN102320416A (en) | 2012-01-18 |
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Effective date of registration: 20230410 Address after: 214500 No. 18 Shannan Road, Chengbei Park, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: Jingjiang City Huaxin Technology Park Co.,Ltd. Address before: 214500 No.2 Yongjin Road, Gushan Town, Jingjiang City, Taizhou City, Jiangsu Province Patentee before: JIANGSU DEPENG AIR-CONDITION Co.,Ltd. |
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Effective date of registration: 20240827 Address after: Building 68-4, North Third Ring Road, Chengbei Park, Jingjiang City, Taizhou City, Jiangsu Province, China 214500 Patentee after: Jiangsu Shuangzhu Food Co.,Ltd. Country or region after: China Address before: 214500 No. 18 Shannan Road, Chengbei Park, Jingjiang City, Taizhou City, Jiangsu Province Patentee before: Jingjiang City Huaxin Technology Park Co.,Ltd. Country or region before: China |
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