CN202130709U - Packing material for packing foods - Google Patents
Packing material for packing foods Download PDFInfo
- Publication number
- CN202130709U CN202130709U CN201120198557U CN201120198557U CN202130709U CN 202130709 U CN202130709 U CN 202130709U CN 201120198557 U CN201120198557 U CN 201120198557U CN 201120198557 U CN201120198557 U CN 201120198557U CN 202130709 U CN202130709 U CN 202130709U
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- crease line
- relative deflection
- packing
- line
- lateral fold
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Abstract
The utility model relates to a packing material for packing foods, in particular to a packing material for packing liquid foods, which is provided with a longitudinal crease line, a transverse crease line and a slant crease line. The packing material for packing the foods comprises a thermoplastic material outermost layer, a supporting layer, a thermoplastic material middle layer, a blocking layer, an adhesive layer and a thermoplastic material innermost layer. An identification mark is printed on one face of the supporting layer facing the thermoplastic material outermost layer, and the longitudinal crease line, the transverse crease line and the slant crease line are formed on one face of the supporting layer facing the thermoplastic material outermost layer. The packing material for packing the foods is provided with solid crease lines and has excellent packing forming easiness performance, the stress damage of the blocking layer caused in the process of pressing the crease lines and following packing forming folding is avoided simultaneously, and cracks are avoided.
Description
Technical field
The utility model relates to a kind of packing of the packing that are used for packaged food, particularly 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 the outermost one side at supporting layer.
The thermoplastic material outermost layer is used for to the food liquid in the packaging body actv. protection being provided, and does not allow moisture and liquid state to invade in the packing; Identifying information is used to identify information such as product, producer, advertisement to be different from the product of other producers; Supporting layer is used for firm and strengthens packing container, is mostly lamination coating, paper for example, this also long papery base layer that is called; Thermoplastic material interlayer be used to bond supporting layer and barrier layere are protected supporting layer simultaneously, prevent that food liquid from getting into 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 the thermoplastic material innermost layer; The thermoplastic material innermost layer directly contacts with food liquid, is used 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 (LDPE); Recommend to use linear low density polyethylene (LLDPE), further recommend to use ethylene (so-called metallocene PD, mLLDPE) by the 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.
For the food liquid that prevents pack suffers 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 the top or the bottom of packing container in the horizontal sealing-in of one of which end, fills required food liquid then, afterwards with the corresponding laterally sealing-in of the residue end of pipe, and the bottom or the top of processing packing container.Cut horizontal packaging area through cutting knife at last, forming single packaging body, and the packaging body that these are single delivers in final folding and the shaped device, is folded into final shape along the folding line of packaging body by mechanical, like brick type or other shapes.
So, for packaging process be convenient to moulding at last, at first in the process of making this compound package material, just adopt special impression device on this compound package material, to suppress different crease lines according to the shape of packing box.Specifically; On compound package material, suppress vertical crease line, lateral fold line and oblique crease line; Vertically crease line is positioned at the vertical edges of packaging body, the position that the lateral fold line is positioned at the base of packaging body and is used for transverse sealing, and oblique crease line is positioned at the knuckle place of packaging body.
But; Even this situation that is provided with crease line in advance; Compound package material also still can receive 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 was big, compound package material can produce bigger stress at the impression place, and this moment is if supporting layer uses lamination coating; Then lamination coating is prone to be elongated and the danger that generates the crack is arranged in burst; When drawing stress was big, the thermoplastic material innermost layer in the compound package material had the danger of cracking, causes the leakage of packing container; Prior; When barrier layere was aluminium foil layer, the danger that generates the crack can be bigger, because the tensile property of aluminium foil is much lower more than the thermal plastic material; Even the pressure control of impression device is arrived only state; Both guaranteed the effect of crease line; Compound package material is not pulled; Guarantee unavoidably also that 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 weblike material that is used for the production packaging for foodstuff and has the multiple folding lines that form through impression; Said fold line comprises the longitudinal folding line of the vertical edges that has formed said packing, and many transverse line that formed the base of said packing; It is characterized in that said longitudinal folding line has the impression intensity lower than said transverse line.This utility model patent has the impression intensity this means lower than transverse line through taking longitudinal folding line, solves packing and not only is shaped easily but also certain intensity and stability can be arranged, and the damage that the fiber that makes paper receives when horizontal impression reduces.But this mode still can not avoid barrier layere to be scored stress damage and the crack that produces.
The utility model content
The purpose of the utility model provides a kind of packing of packaging liquid food; These packing can use less pressure can reach crease line effect preferably when crease line is suppressed, and in the body formed process of subsequent packages, can not produce the secondary stress injury to barrier layere.
For solving the problems of the technologies described above; The utility model provides a kind of 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; On the outermost one side of said thermoplastic plastic, be printed with identifying information at said supporting layer, said vertical crease line, said lateral fold line and said oblique crease line are formed on said supporting layer on the outermost one side of said thermoplastic material.
As a kind of improvement of the utility model, the relative deflection of said vertical crease line, said lateral fold line and said oblique crease line is in 55%～75% the scope.
As the further improvement of the utility model, said vertical crease line, said lateral fold line and said oblique crease line have from said identifying information to the recessed profile of said supporting layer.
As the further improvement of the utility model, said supporting layer has and said vertical crease line, said lateral fold line and the corresponding protrusion profile of said oblique crease line towards the one side of said thermoplastic material interlayer.
Further improvement as the utility model; The relative deflection of said vertical crease line is lower than the relative deflection of said lateral fold line, and the relative deflection of said oblique crease line is between the relative deflection of the relative deflection of said vertical crease line and said lateral fold line.
Further improvement as the utility model; The relative deflection of said vertical crease line is in 55%～65% the scope; The relative deflection of said oblique crease line is in 60%～70% the scope, and the relative deflection of said lateral fold line is in 65%～75% the scope.
As the further improvement of the utility model, the relative deflection of said vertical crease line is than the relative deflection low 2%～20% of said lateral fold line; The relative deflection of oblique crease line is than the relative deflection low 2%～15% of lateral fold line.
As the further improvement of the utility model, the relative deflection of said vertical crease line is than the relative deflection low 5%～20% of said lateral fold line; The relative deflection of oblique crease line is than the relative deflection low 2%～10% of lateral fold line.
As the further improvement of the utility model, the relative deflection of said vertical crease line is than the relative deflection low 10% of said lateral fold line; The relative deflection of oblique crease line is than the relative deflection low 5% of lateral fold line.
As the further improvement of the utility model, said barrier layere is an aluminium foil, and/or said supporting layer is the papery base layer.
The utility model compared with prior art; Because crease line is only suppressed on supporting layer; Thickness is less, so that the pressure of crease line does not need is very big, and the stress injury of having avoided barrier layere in compacting crease line process, to receive; Afterwards, only need to apply thermal plastic material's outermost layer, adhesive layer, barrier layere and thermal plastic material's innermost layer on the supporting layer of crease line and can obtain compound package material suppressing.The utility model had both had more crash-resistant crease line, had the easy property of good packing moulding again, had avoided barrier layere in compacting crease line process, to reach the stress injury that receives when the subsequent packages moulding folds simultaneously, had prevented the generation in crack.
Description of drawings
Fig. 1 is the scheme drawing of crease line on the utility model packing supporting layer.
The specific embodiment
A kind of packing that are used 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 the outermost one side at supporting layer; Supporting layer recommends to use the papery base layer in the utility model, and barrier layere uses aluminium foil.
As shown in Figure 1, towards the outermost one side of thermoplastic material, promptly 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 through special indentation roller, indentation roller can adopt outside face to have protruding impression bar respectively and recessed impression groove the sort of, the impression bar is corresponding one by one with the driving surface of impression groove; Also can adopt outside face to have protruding impression bar and smooth driving surface respectively and not have the sort of of impression groove.The downtrodden degree of crease line can be represented with relative deflection; Relatively deflection be meant material after the compacting crease line with the compacting crease line ratio of deflection before; When crease line was darker, the deflection value was more little relatively, and deflection can realize through 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% the scope; The impression effect that obtains is better, and also in the acceptable scope, this moment, the relative deflection of three crease lines can be identical to the damage of supporting layer; Such as being 55%; Or be 60%, or be 70%, or be 75%; Also can be in this scope value arbitrarily.
Better be shaped and stablizing effect in order to reach packing; Also can further improve on the deflection relatively; On the supporting layer A face vertically the relative deflection of crease line 11 be lower than the relative deflection of lateral fold line 12, 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.Relative deflection more weak vertical crease line 11 is relatively compared in employing with lateral fold line 12; Can make packaging body be prone to be shaped; Simultaneously, adopt with vertical crease line 11 and compare relative deflection stronger lateral fold line 12 relatively, 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 carried out when folding around the corner more easily, and meet also different features of relative deflection that supporting layer not can bear in grain direction simultaneously.Concrete, vertically the relative deflection of crease line is in 55%～65% the scope, and the relative deflection of oblique crease line is in 60%～70% the scope, and the relative deflection of lateral fold line should be in 65%～75% the 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: suppress vertical crease line, lateral fold line and oblique crease line on the supporting layer of identifying information being printed with earlier; Afterwards, only need to apply thermal plastic material's outermost layer, thermoplastic material interlayer, adhesive layer and thermal plastic material's innermost layer on the supporting layer of crease line and can obtain the described packing of the utility model suppressing according to technology.
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; On the outermost one side of said thermoplastic plastic, be printed with identifying information at said supporting layer, it is characterized in that: said vertical crease line, said lateral fold line and said oblique crease line are formed on said supporting layer on the outermost one side of said thermoplastic material.
2. packing according to claim 1 is characterized in that: the relative deflection of said vertical crease line, said lateral fold line and said oblique crease line is in 55%～75% the scope.
3. packing according to claim 1 is characterized in that: said vertical crease line, said lateral fold line and said oblique crease line have from said identifying information to the recessed profile of said supporting layer.
4. packing according to claim 1 is characterized in that: said supporting layer has and said vertical crease line, said lateral fold line and the corresponding protrusion profile of said oblique crease line towards the one side of said thermoplastic material interlayer.
5. packing according to claim 1; It is characterized in that: the relative deflection of said vertical crease line is lower than the relative deflection of said lateral fold line, and the relative deflection of said oblique crease line is between the relative deflection of the relative deflection of said vertical crease line and said lateral fold line.
6. packing according to claim 5; It is characterized in that: the relative deflection of said vertical crease line is in 55%～65% the scope; The relative deflection of said oblique crease line is in 60%～70% the scope, and the relative deflection of said lateral fold line is in 65%～75% the scope.
7. packing according to claim 5 is characterized in that: the relative deflection of said vertical crease line is than the relative deflection low 2%～20% of said lateral fold line; The relative deflection of said oblique crease line is than the relative deflection low 2%～15% of said lateral fold line.
8. packing according to claim 5 is characterized in that: the relative deflection of said vertical crease line is than the relative deflection low 5%～20% of said lateral fold line; The relative deflection of said oblique crease line is than the relative deflection low 2%～10% of said lateral fold line.
9. packing according to claim 5 is characterized in that: the relative deflection of said vertical crease line is than the relative deflection low 10% of said lateral fold line; The relative deflection of said oblique crease line is than the relative deflection low 5% of said lateral fold line.
10. according to each described packing in the claim 1 to 9, it is characterized in that: said barrier layere is an aluminium foil, and/or said supporting layer is the papery base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120198557U CN202130709U (en) | 2011-06-13 | 2011-06-13 | Packing material for packing foods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120198557U CN202130709U (en) | 2011-06-13 | 2011-06-13 | Packing material for packing foods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202130709U true CN202130709U (en) | 2012-02-01 |
Family
ID=45519489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120198557U Expired - Lifetime CN202130709U (en) | 2011-06-13 | 2011-06-13 | Packing material for packing foods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202130709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320416A (en) * | 2011-06-13 | 2012-01-18 | 吴壮 | Packaging material used for packaging foods |
| CN112123909A (en) * | 2020-06-06 | 2020-12-25 | 杭州品格包装材料有限公司 | Method for producing laminated packaging material |
-
2011
- 2011-06-13 CN CN201120198557U patent/CN202130709U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320416A (en) * | 2011-06-13 | 2012-01-18 | 吴壮 | Packaging material used for packaging foods |
| CN102320416B (en) * | 2011-06-13 | 2013-06-05 | 吴壮 | Packaging material used for packaging foods |
| CN112123909A (en) * | 2020-06-06 | 2020-12-25 | 杭州品格包装材料有限公司 | Method for producing laminated packaging material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180529 Address after: 315800 1604, No. 10, Fairview, No. 990, Xindu Road, Xindu street, Beilun, Ningbo, Zhejiang Patentee after: Zhu Shuanghai Address before: 310012 room 602, 2 unit 3, 88 Huaxing Road, Hangzhou, Zhejiang. Patentee before: Wu Zhuang |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |