CN1272443A - Strapping tape with safety characteristics, its production method and application for packaging material - Google Patents
Strapping tape with safety characteristics, its production method and application for packaging material Download PDFInfo
- Publication number
- CN1272443A CN1272443A CN00118067A CN00118067A CN1272443A CN 1272443 A CN1272443 A CN 1272443A CN 00118067 A CN00118067 A CN 00118067A CN 00118067 A CN00118067 A CN 00118067A CN 1272443 A CN1272443 A CN 1272443A
- Authority
- CN
- China
- Prior art keywords
- support membrane
- tread support
- printing
- back band
- draw back
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/66—Inserted or applied tearing-strings or like flexible elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
- G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2401/00—Tamper-indicating means
- B65D2401/55—Tamper-indicating means based on a change or a contrast in colour
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
The pull-open strip with security marking, consisting of a thermoplastic carrier foil covered on one side with a sealing lay and on the other side possibly with a release layer, is characterized by the fact that the carrier foil is printed on one side with a security dye. An Independent claim is also included for a method which involves steps of printing with a security dye and subsequent application of a sealing layer for producing such a strip, and its application for production of a packaging foil.
Description
What the present invention relates to draw back band and have a security feature draws back the application of band on the consumables, packaging for foodstuff and analogue.
The production and selling of counterfeit articles is ever-increasing problem.Such fake products is usually packing with the similarly false mode of genuine piece, thereby cheats possible customer, and the product that makes them believe that they buy is a genuine piece.This has just produced variety of issue.On the one hand, the builder's of genuine piece business is affected.On the other hand, the proprietary intellectual property of the right of product is obtained by cheating.The more important thing is, in many cases, fake products with low quality, and can produce inconceivable loss to builder's image.Inferior quality also can increase the complaint of product reliability, makes the builder of genuine piece be forced to prove that this damnous product is not from his there.Therefore, need on genuine piece, do sign, thereby the customer can recognize genuine piece, and when complaint takes place, can prove that this product is a genuine piece.
By plastic sheeting, paper, the package that the composite material of cardboard or these materials is made have usually and draw back band.This band is fixed on the package, with the self-adhesion complex or be thermal bonding to thing and apply on tape.U.S. Pat 4,887,714 and US4,844,962 have described such band that draws back.
EP0585076 has described security feature has been introduced package with the form of splicing tape.In this case, holographic element is as security feature.Normally its special effect inefficacy under decreased light of a shortcoming of hologram.And making hologram is a complexity, the production process that cost is high.Particularly when band was drawn back in manufacturing, described production process must insert in the upstream, can not be combined in the existing production stage.Zhi Cheng film must be ready to and coat the embossing lacquer for this purpose.Hologram pattern is by embossing then.In next step production process, must make it metallization.Just can enter in the traditional mode of production process of drawing back band then.Like this, because of making production process, a plurality of steps become more expensive, more complicated.
The task of Ti Chuing provides a kind of band that draws back with security feature like this, and wherein the introducing of security feature can not bring new additional production step in drawing back the production process of band.
Therefore the invention provides a kind of band that draws back that has security feature, comprise a tread support membrane, apply a sealing layer, randomly can apply one and unclamp layer, it is characterized in that being printed on special safety ink in tread support membrane one side at its opposite side in the one side.
Tread support membrane is cellophane preferably, poly-(vinyl chloride), vinyl chloride copolymer, the vinyl chloride trimer, polyester, polypropylene, polypropylene copolymer, polypropylene trimer, polypropylene-polyethylene and ethylene copolymers, polyamide, polystyrene, polystyrene copolymer, the polystyrene trimer, polycarbonate, polyketone, polymethyl methacrylate or polymethacrylate copolymer; The particularly preferably polypropylene of uniaxial orientation or polypropylene-polyethylene and ethylene copolymers.
In a certain embodiments, tread support membrane can be and one or more thin polymer films, with paper, with metallized thin polymer film, with the lamination of metallic paper or vacuum evaporation film.
Sealing layer is a layer of being made by the self-adhesion contact material preferably, is base with polyacrylic acid or natural grease or synthetic resin.The available preferably crosslinkable silicon coating of UV of layer that unclamp.
The present invention also is provided for producing the production method of drawing back band with security feature, and one of them tread support membrane is printed with safety ink, sealing layer add thereon and one unclamp layer and selectively be added on the another side of tread support membrane.
According to the present invention, the production of drawing back band of printing makes that a tread support membrane is printed in the mono-operation, and a sealing medium is added in the printing-ink as hot melt contact lining cement.One is unclamped layer and also selectively is added on the another side of tread support membrane, thereby prevents to stop up.By adopting suitable printing-ink, in this production process, security feature can be introduced and draw back band.
If printing is to adopt anti-seal, then carry out like this, on the package of finishing, the safety ink of printing can see through packing film, and lining cement and last tread support membrane are read.
Tread support membrane can have the thickness between 10～100 microns, and the width between 1～100 millimeter.Thickness is preferably between 10～40 microns, and width is preferably between 1.5～10 millimeters, is more preferably between 1～5 millimeter.
Sealing layer can comprise sealing medium such as polyethylene or so-called hot melt coating, the layer thickness between 1～20 micron, the seal temperature routine be more than 100 ℃.
Preferably be base or be but that the self-adhesive of the cold junction of base is used as sealing medium particularly with natural resin or synthetic resin with the polyacrylic acid.
Under the situation of self-adhesion contact material, the reverse side of film is provided with and unclamps coating.Described coating preferably includes a silicon layer, has been more preferably a crosslinkable silicon coating of UV.
Tread support membrane can be printed on the mono-color, perhaps multiple color.Any printing process that can be used for film can be used for this purpose.Printing can be adopted common packages printing method, as offset printing, and screen printing, aniline printing, UV aniline printing or photogravure; Particularly adopt aniline printing or photogravure, more especially adopt photogravure.
The safety ink that adopts must have special characteristic, is suitable for guaranteeing the authenticity of packaged article.
The safety ink that adopts can be the printing ink with maximum variable effects.As, thermocolour printing ink is fit to, and it is reversible at a certain temperature or irreversibly change color; Daylight fluorescent ink, its luminance brightness depend on the UV light component in the illumination, thereby can check authenticity with the technical method of current widely used color copy machine; Luminous printing ink, the visible light that it absorbs UV light and sends longer wavelength, the illumination that consequently has the UV lamp can realize special color effects, absorption light is fasted ejection later on and is then adopted " fluorescence " very much, perhaps keeps then adopting for a long time " phosphorescence "; Infrared light printing ink shows absorption characteristic under infrared light, come with the inked areas that has same effect in the daylight; Photochromic printing ink can change tone with reversing when UV light is luminous; The position sensitive ink, its tone depends on the visual angle.
The band that draws back according to the present invention adopts favourable mode can prevent that product from being palmed off.The purpose of security element is to provide the judge that lacks authenticity to prove under the situation of personation, or makes the customer, the agent, and perhaps administration as the customs or the police, can adopt the authenticity of simple method identification product.
The drawing back band and can on traditional machine, produce of described structure.Unclamp layer employing and roll the layer that applying unit is provided with dry in succession or curing more.
One side printing at tread support membrane can be adopted known printer, and according to the number of required effect, one or more printing element can fill with safety ink, is combined into printed image as traditional printing ink.Sealing medium is applied on the marking of online or off-line in photogravure, perhaps adopts channel mould or other suitable method.
According to the present invention,,, therefore can provide the band that draws back that has security element with simple and economical especially mode without the additional production step owing to adopt the security element of printing process to be introduced into.
The invention still further relates to a kind of packing, it comprises according to the band that draws back of the present invention, as is used for containers of cigarettes, the film of CD dish or food.
By following Example the present invention being further described, is not that the present invention is limited, unless wherein pointed out, all compositions and percentum are according to weight.
Example 1
A kind of thickness is the polypropylene film of 38 microns uniaxial orientation; wherein maximum pull is greater than 160 newton; elongation at fracture is greater than 25%; pulling force is 32 newton during 10% stretch ratio; tear expansion force greater than 6 newton; pulling force resilience in the vertical is greater than 1250 kilojoules/sq m; pulling force resilience in the horizontal is greater than 100 kilojoules/sq m; shrinkage percentage (when 125 ℃ and 10 minutes) is less than 6%; and pretreatment (corona treatment) amount is greater than 38 milli Newton/meter; this film is scribbled the compound of silicon; solvent-free silicone acrylate comprising the photo-sensitive initiators that has polymerization; it is a radical crosslinking by the UV radiation under the protective gas environment, and its mixture ratio is by the separately action decision of the silicon acrylic acid salt deposit that solidifies.
Next step opposite face that comprises that photogravure will plate silicon face prints, and wherein surperficial pulling force is adjusted to greater than 38 milli newton/sq ms in advance by corona treatment.A kind of commercially available hot melt pressure sensitive glue is base with SBS copolymer and condensation resin, is added to (this printing ink is base with the polyvinyl butyral cementing agent) in the printing-ink.Applied amount is 10 gram/sq ms.In next step, the film that has this finishing agent is cut into 2 mm wides, and with 6000 meters length on spool.
Example 2
A kind of cellophane, thickness is 30 microns, by photogravure (adopting the printing ink of example 1), and hot melt adhesive is added in the printing ink, the composition of this lining cement comprises ethene-vinyl acetic acid salt copolymer of 25～45%, 20～35% ring ethyl ketone hydrocarbon resin, 15～25% satisfied hydrocarbon resins, 5～10% methyl styrene hydrocarbon resin and be less than 10% oligomer polyurethane.Applied amount is 4 gram/sq ms.In next step, the film that has this finishing agent is cut into 2 mm wides, and with 6000 meters length on spool.
Example 3
Identical with the method that adopts in the example 1.But as the contact lining cement, its solid content approximately is 53% with commercially available acrylate emulsion, and the flowing time in the DIN4 destroyer is 60 seconds.Applied amount is 3 gram/sq ms; Aqueous emulsion is applied in the intaghlio printing.
Though for the present invention is described, describe in detail in front, be to be understood that these details just for above-mentioned purpose, and do not leave the spirit and scope of the present invention, for those skilled in the art, wherein can change, just in claims it be limited.
Claims (11)
1. one kind is drawn back band, comprise (i) tread support membrane and (ii) sealing layer that bonds to the surface of described tread support membrane, and can select (iii) one to unclamp layer, it bonds to another surface of described tread support membrane, and described tread support membrane comprises the pattern by special safety ink printing.
Claim 1 draw back band, wherein tread support membrane comprises one this group comprises cellulose by the material of selecting in the group, (being total to) gathers (vinyl chloride), polyester, (being total to) polypropylene, acid amides, (being total to) polyethylene, (being total to) polystyrene, polycarbonate, poly-(methyl) acrylate of polyketone and (being total to).
Claim 1 draw back band, wherein tread support membrane is a single shaft or biaxially oriented.
Claim 1 draw back band, wherein tread support membrane is a lamination, comprises at least one that selects from group, this group comprises thin polymer film, paper and metallic paper.
Claim 4 draw back band, wherein thin polymer film is metallized.
Claim 1 draw back band, wherein sealing layer is the self-adhesion lining cement.
Claim 1 draw back band, wherein sealing layer comprises a UV crosslinkable silicon coating.
8. the method for band is drawn back in a production, is included in surface printing one pattern of tread support membrane, with sealing layer bonding be applied to described surface and selectively unclamp layer one be added on the another side of described tread support membrane.
9. the method for claim 8, wherein printing is photogravure.
10. the method for claim 8, wherein printing is aniline printing.
11. comprise the packing that draw back band of claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19920357.1 | 1999-05-04 | ||
| DE19920357A DE19920357A1 (en) | 1999-05-04 | 1999-05-04 | Tear strips with security feature, a process for its production and its use in packaging material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1272443A true CN1272443A (en) | 2000-11-08 |
Family
ID=7906849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00118067A Pending CN1272443A (en) | 1999-05-04 | 2000-05-04 | Strapping tape with safety characteristics, its production method and application for packaging material |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1050485A1 (en) |
| CN (1) | CN1272443A (en) |
| DE (1) | DE19920357A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602593A (en) * | 2012-03-30 | 2012-07-25 | 浙江圣林包装有限公司 | Anti-counterfeiting plastic combined bottle cap with split seal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10022493A1 (en) * | 2000-05-09 | 2001-11-15 | Wolff Walsrode Ag | Sealable composite film with a security feature a process for its manufacture and its use as packaging material |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1095286A (en) * | 1963-07-08 | 1967-12-13 | Portals Ltd | Security device for use in security papers |
| DE3471639D1 (en) | 1983-03-31 | 1988-07-07 | Payne Packaging Ltd | Improvements in or relating to tapes |
| US4836378A (en) * | 1987-11-18 | 1989-06-06 | Philip Morris, Incorporated | Package having magnetically coded tear tape or sealing strip |
| US4887714A (en) | 1988-01-11 | 1989-12-19 | Kt Technologies Inc. | Pre-packaged pressure sensitive tear tape |
| GB2245847A (en) * | 1990-04-02 | 1992-01-15 | Federal Printers Limited | Stamping foil |
| GB9218216D0 (en) | 1992-08-27 | 1992-10-14 | Payne P P Ltd | Improvements in or relating to tapes |
-
1999
- 1999-05-04 DE DE19920357A patent/DE19920357A1/en not_active Withdrawn
-
2000
- 2000-04-27 EP EP00109026A patent/EP1050485A1/en not_active Withdrawn
- 2000-05-04 CN CN00118067A patent/CN1272443A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602593A (en) * | 2012-03-30 | 2012-07-25 | 浙江圣林包装有限公司 | Anti-counterfeiting plastic combined bottle cap with split seal |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19920357A1 (en) | 2000-11-09 |
| EP1050485A1 (en) | 2000-11-08 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| REG | Reference to a national code |
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