CN1054569C - Laminate useful as packaging material and its manufacture - Google Patents
Laminate useful as packaging material and its manufacture Download PDFInfo
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- CN1054569C CN1054569C CN93103086A CN93103086A CN1054569C CN 1054569 C CN1054569 C CN 1054569C CN 93103086 A CN93103086 A CN 93103086A CN 93103086 A CN93103086 A CN 93103086A CN 1054569 C CN1054569 C CN 1054569C
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- thin slice
- opaque
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- transparent
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Abstract
The present invention provides a soft multi-layer laminated piece used as packing materials. The present invention is nontransparent basically and is provided with a transparent window, the window is printed into an ornamental element pattern on the laminated piece, and an object put in a packaging piece made of the laminated piece can be seen by the laminated piece.
Description
The present invention is the relevant manufacture method that is used for layer flexible thin slice (this paper is called " laminate ") packaging material such as packaged food, medicine, and this thin slice is opaque, but on the thin slice window is arranged so that observe the content product.
The invention still further relates to and adopt above-mentioned manufacture method to give the laminate of system.
Laminate all is used for packaged food usually, medical sanitary product and medicine, electronic product and other article.Basically opaque laminate possesses attractive in appearance owing to them and other character obtains extensive extensive application.This laminate generally comprise by the opaque thin slice of one deck of making as aluminium foil, metallized polymeric, paper etc. (below be called " opaque thin slice ") and apply the one deck at least on the opaque thin slice of lid two sides, preferably two-layer, by the transparent sheet of making as polyethylene, polypropylene, polyester etc. (following title " transparent sheet ").
Usually require to manifest the interior article of packing by the transparent window on the packaging material.United States Patent (USP) 2,158,755 (people such as Hodgdon) and 2,577, disclose various laminate packing with transparent and opaque section among 249 (Janett), the transparent part setting is bar shaped or polygonal or circular window, and above-mentioned patent also discloses the manufacture method of packaging material, these disclosed laminate all are not suitable for modern packaging, and disclosed method is not suitable for the modern age laminate usually yet and gives system technology.
The purpose of this invention is to provide opaque substantially and have the novel laminate of transparent window, print complete ornamental element pattern at the above window of laminate specifically.
Another object of the present invention provides the novel method of preformed layer casting die, and this laminate is as packaging material such as packaged foods, and laminate is the opaque material with transparent window, is printed to complete decorative element pattern at the above window of laminate specifically.
These purposes and other purpose can elaborations from the following describes.
Laminate provided by the invention is used for packaging material, it is opaque basically and one or several transparent window is arranged, described laminate is characterised in that, it comprises the opaque substantially material of one deck, the shape of boring a hole above is consistent with window shape, the material of one deck or which floor substantial transparent, described window are printed to complete decorative element pattern on laminate.
The present invention also provides the method for making as the laminate of packaging material, and laminate is opaque basically, has one or several transparent window, and manufacture method is packaged in impressing pattern on the transparent or opaque thin slice.Opaque thin slice perforation is connected to transparent sheet on the opaque thin slice then, so form the opaque layer casting die with transparent window, the window of formation just becomes the element complete or lamination of impressing pattern.
The opaque thin slice that adopts can be any of above-mentioned material, i.e. aluminium foil, paper, metallized polymeric thin slice etc.Opaque in addition thin slice itself can be a composite wafer, and one deck wherein or which floor are to be made by above-mentioned opaque material.Transparent material can as polyethylene, multi-layer transparent thin slice etc., can be connected to transparent sheet on the opaque thin slice by methods such as bonding, heat treatment, extruding by optional in the material well known in the prior art.
The trace that provides on laminate can adopt any method in known numerous methods, as the rotogravure printing method, and Lexography method or other method.This typography exceeds present Hand writing scope, but concerning the skilled worker very familiar this technology beyond doubt.Generally also learn, the printing be in principle on the outer surface of laminate, preferably be placed on the two-layer centre of laminate, promptly on the sheet surface of laminate towards another thin slice.Therefore printing preferably is placed on the opaque thin slice, or on a transparent sheet on the opaque surface, transparent sheet is connected with opaque thin slice.
Window positive alignment trace, trace are on a transparent sheet, and thin transparent lamella and opaque thin slice accurately link together, so window and trace correct registration just.
For guaranteeing the correct registration of window and trace, the pattern of band trace is preferably on the opaque thin slice and forms.Printing can or be carried out before the formation hole subsequently, in general the former order the best.Printing technology on the thin slice also comprise usually print little sync mark (this class mark is with on the operation afterwards, so that constitute individual packaging spare at suitable place cutting packaging material) then this sync mark as the signal of making window at suitable position.
For making the formation of the window that laminate of the present invention adopts, print the technology that is connected with each layer and can on unit, carry out continuously, perhaps also can on the special machine of each isolation, carry out discontinuously, special machine has the function of processing one or several operation.
Carry out on a kind of machine that can adopt in the prior art for the process of making laminate of the present invention, but this machine must remodeling, additional one opaque thin slice with on opaque thin slice, can process the device that portals before transparent sheet is connected.This device is such as the hole punch element that comprises several perforators, each perforator has the shape perforation identical with hole part in addition, perforator is placed on the armed lever, armed lever can be on roughly vertical direction with opaque thin slice plane rapid movement, so on described thin slice, stamp out the aperture.
Another embodiment, described element can comprise the roller of a pair of two general tangential, the convex consistent with hole shape arranged on one pair roller, another pair roller has the roughly the same slotted eye of shape, described convex has sharp edge, therefore when a described convex and described slotted eye linking, in the middle of them, thin slice is arranged, so on described thin slice, cut pore-forming.
Another embodiment is that described element can be in various industrial processes, as the laser cutting device of usefulness such as chopped strands.
By the more described non-limiting instantiations of accompanying drawing, illustrate the present invention now.
Fig. 1 is a stereogram of making a double-layer lamination spare example among the present invention;
Fig. 2 is Fig. 1 example diagrammatic side views;
Fig. 3 is that the present invention makes three diagrammatic side views of another example of casting die layer by layer;
Fig. 4 is that the present invention makes three another example diagrammatic side views of casting die layer by layer;
Fig. 5 is the thin slice diagrammatic sectional view of making by example shown in Figure 1, several manufacturing processes shown in the figure;
Fig. 6 is the thin slice diagrammatic sectional view of making by Fig. 3 and example shown in Figure 4.
At first watch Fig. 1 and Fig. 2, make an embodiment of double-layer lamination spare among the figure among the simple the present invention of description.Give the printed opaque thin slice 10 of elder generation and get loose from first unwind roll 12, be pushed to adhesion layer assembly 13, assembly 13 is applied to liquid adhesive on the surface 15 of thin slice 10 by storage tank 14.Thin slice 10 is sent into drying oven 16 from adhesion layer assembly 13, and adhesion layer is dried to a certain degree in drying oven, arrives punching assembly 18 through roller 17 then.Punching assembly 18 comprises two deflector rolls 20 and 21, one punching pedestals and the eliminating waste material element 22 that links to each other with vacuum tube 23, support arm 24 three hole punch elements 25 of supporting and optical pickocffs 26.Trace on the opaque thin slice 10 also comprises sync mark 11, and it is visited side by optical pickocff 26, and this moment, the punch operation of punch elements 25 began, punching on thin slice 10 then.Punch operation is close to pedestal 22 carries out, and cuts the waste material of sample and discharges by vacuum tube 23.
The thin slice punching after roller 27 to the attached roll assembly 28 that helps, opaque here thin slice 10 links to each other with the transparent sheet of being supplied with by second unwind roll 30 29, utilize and extrude mutually by means of roller 31 and 32, and with the method for roller 32 heating, transparent sheet 29 is connected with opaque thin slice 10, as everyone knows.Two-layer then laminate 33 arrives jockey pulley 36 by roller 34 and 35, is laminated to take up roll 37 at last.
According to example illustrated in figures 1 and 2, will cut the waste material of sample by vacuum tube 23 and discharge.Because cutting the sample thing is bonded to the vacuum tube inwall and stops up vacuum tube, so cause certain difficulty sometimes.For overcoming above-mentioned shortcoming, the example of Fig. 1 and 2 is retrofited, adopt known rotogravure pressman skill, adhesion layer is only aimed at those laminate zones that does not have punching.
According to another example, after being shaped, the hole applies adhesion layer.
In Fig. 1 and 2 embodiment, thin slice 10 punchings added deposited adhesive in the past.Sometimes need add deposited adhesive later in punching., the example of Fig. 1 and 2 is improved for this reason, adhesion layer assembly 13 is installed between punching assembly 18 and the additional rollers assembly 28.
Referring now to Fig. 3,, it is that the present invention makes three another example sketches of casting die layer by layer.Each manufacturing process is identical with Fig. 1 and 2 operation, and the label numeral of each element is corresponding with each element numbers number among Fig. 1 and 2, only adds " ' " symbol, the reader relates to the function that above-mentioned numeral is convenient to understand these elements.Double-layer lamination spare 33 ' is sent to main additional rollers assembly 40 through after the roller 34 ' and 35 '.Transparent sheet 41 gets loose from the 3rd unwind roll 42 and enters adhesion layer assembly 43, employing is applied adhesion layer with the same procedure of adhesion layer assembly 13 ' and is added on the surface 44 of thin slice 41 in assembly 43, and thin slice passes roller 46 by drying oven 45 and arrives roll assemblies 40 then.Adopt the method identical that transparent sheet 41 is connected on the double-layer lamination spare 33 ' with additional rollers assembly 28 ', last three layer by layer casting die 41 be wrapped on the take up roll 48 '.
Referring now to Fig. 4, Fig. 4 describes the present invention to make three another embodiment of casting die layer by layer, gives printed opaque thin slice 50 and gets loose from first unwind roll 51, sends into idler roller 52 to punching assembly 53.Punching assembly 18 identical functions among punching assembly 53 main realizations and Fig. 1, all elements give identical label numeral and add (") symbol, the reader relates to numeral and is convenient to understand these element functions and their modes of operation.Yet it should be noted that on the opaque thin slice in punching assembly 53 does not have adhesion layer, and the difficulty that any because this adhesion layer causes all can be avoided.The thin slice 50 that has punching is fed to roller 55 and passes through roller 56 to additional rollers sub-component 57 from punching assembly 53.
Referring now to Fig. 5, Fig. 5 describes the laminate sectional view of making in Fig. 1 and 2 example, comprising three different manufacturing processes.Conceptive trace on the opaque thin slice 81 among the I figure, it is represented with lamella 82.After thin slice passes hole punch element, form the hole 83 among the figure II, after this connect hyaline layer 84, shown in figure III, double-layer lamination spare 85 basically forms transparent window 86.
Referring now to Fig. 6, Fig. 6 describes the laminate sectional view of Fig. 3 and example shown in Figure 4 acquisition.The operation corresponding with II among Fig. 5 and II figure is identical.The laminate 87 that this example obtains comprises three layers, ground floor 88, and the second layer 89 is hyaline layers, and opening 91 is arranged on the opaque layer 90, so thin slice 87 is the opaque thin slice that has transparent window 92 basically.
Claims (2)
1. manufacture method that is used to make as the laminate of packaging material, wherein said laminate is opaque basically and has one or more transparent windows that described method comprises:
A) provide at least one opaque thin slice (10) and thin slice (29) that at least one is transparent;
B) go up the pattern that printing comprises sync mark (11) at opaque thin slice (10), repeat to described pattern period;
C) described opaque thin slice is carried by a punch block (18), described punch block (18) comprises that one is suitable for responding to the optical pickocff (26) of sync mark (11), described sensor is responded to a control signal with respect to sync mark, this control signal is imported into punch block (18), and bore a hole in the control punch device position that corresponds to pattern on opaque thin slice (10) thus;
D) remove the excision waste material that downcuts by punch block;
E) described thin slice is combined into laminate, described laminate is opaque in conjunction with the transparent window form.
2. the method for claim 1 is characterized in that, the sync mark of described printing (11) is positioned at facing on the side of transparent sheet mutually of opaque thin slice (10) with printed patterns.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN93103086A CN1054569C (en) | 1993-02-20 | 1993-02-20 | Laminate useful as packaging material and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN93103086A CN1054569C (en) | 1993-02-20 | 1993-02-20 | Laminate useful as packaging material and its manufacture |
Publications (2)
Publication Number | Publication Date |
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CN1091360A CN1091360A (en) | 1994-08-31 |
CN1054569C true CN1054569C (en) | 2000-07-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN93103086A Expired - Fee Related CN1054569C (en) | 1993-02-20 | 1993-02-20 | Laminate useful as packaging material and its manufacture |
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CN (1) | CN1054569C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009032678A1 (en) * | 2009-07-09 | 2011-03-03 | Bundesdruckerei Gmbh | Method and device for producing an inlay for a film composite and film composite with inlay |
CN112498798A (en) * | 2020-11-25 | 2021-03-16 | 陈灵枝 | Packaging bottom support production system |
CN112498799A (en) * | 2020-11-25 | 2021-03-16 | 陈灵枝 | Forming equipment for packaging |
CN112498796A (en) * | 2020-11-25 | 2021-03-16 | 陈灵枝 | Packing collet feeder |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2715089A (en) * | 1953-04-27 | 1955-08-09 | Elliott W Michener | Flexible covering sheet and method of making the same |
JPS5915016A (en) * | 1982-07-09 | 1984-01-26 | 三菱樹脂株式会社 | Method of packing raw meat |
US4549917A (en) * | 1983-02-01 | 1985-10-29 | Adolph Coors Company | Die cut window laminating device |
-
1993
- 1993-02-20 CN CN93103086A patent/CN1054569C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2715089A (en) * | 1953-04-27 | 1955-08-09 | Elliott W Michener | Flexible covering sheet and method of making the same |
JPS5915016A (en) * | 1982-07-09 | 1984-01-26 | 三菱樹脂株式会社 | Method of packing raw meat |
US4549917A (en) * | 1983-02-01 | 1985-10-29 | Adolph Coors Company | Die cut window laminating device |
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Publication number | Publication date |
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CN1091360A (en) | 1994-08-31 |
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