WO2003043831A2 - Holographic and corrosion retardant security device for packaging of metallic articles/parts/components - Google Patents

Holographic and corrosion retardant security device for packaging of metallic articles/parts/components Download PDF

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Publication number
WO2003043831A2
WO2003043831A2 PCT/IN2002/000222 IN0200222W WO03043831A2 WO 2003043831 A2 WO2003043831 A2 WO 2003043831A2 IN 0200222 W IN0200222 W IN 0200222W WO 03043831 A2 WO03043831 A2 WO 03043831A2
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WO
WIPO (PCT)
Prior art keywords
holographic
film
security device
packaging
parts
Prior art date
Application number
PCT/IN2002/000222
Other languages
French (fr)
Other versions
WO2003043831A3 (en
Inventor
Pradip Hiralal Shroff
Praphulla Kumar Manna
Nityanand Shekar Shenoy
Original Assignee
Pradip Hiralal Shroff
Praphulla Kumar Manna
Nityanand Shekar Shenoy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pradip Hiralal Shroff, Praphulla Kumar Manna, Nityanand Shekar Shenoy filed Critical Pradip Hiralal Shroff
Priority to AU2002360210A priority Critical patent/AU2002360210A1/en
Publication of WO2003043831A2 publication Critical patent/WO2003043831A2/en
Publication of WO2003043831A3 publication Critical patent/WO2003043831A3/en

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/0252—Laminate comprising a hologram layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/24—Inking and printing with a printer's forme combined with embossing
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0092—Metallizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/752—Corrosion inhibitor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers
    • B32B2439/06—Bags, sacks, sachets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/024—Hologram nature or properties
    • G03H1/0244—Surface relief holograms

Definitions

  • This invention relates to holographic and corrosion retardant security device for packaging of metallic articles/parts/components and the process of manufacturing the same.
  • the combination of holographic and corrosion retardant security device for packaging of metallic articles/parts/components are not known in the prior art and have been developed first time.
  • the main object of this invention is to provide holographic and corrosion retardant security device which can not be manufactured easily and thus are not available for replacement by any person other than the manufacturer and thereby provide brand protection and corrosion protection.
  • the brand protection is provided in terms of holographic film forming the outer layer and the inner layer of the composite film provides the corrosion protection.
  • the said security device is made available in the form of composite film/bag/pouch and similar forms in sizes as desired for the application and it is made convenient to use for packaging.
  • holograms on the package is through manual or automatic machines. These holograms, are, however, small in size and the application is to be done as a subsequent process.
  • VCI bags anti-corrosive Vapour Corrosion Inhibitor bags.
  • VCI bags are either mainly made of direct extruded polyethylene or co-extruded films. Metal parts put in these bags are protected against corrosion by VCI technology. In some cases, these bags are plain anti-corrosive bags while in some other cases they are printed. These bags are made from either Polyethylene, PVC, PP or PET. Corrosion protection and brand protection today are thus done in 2 separate steps.
  • the said security device for packaging of metallic articles / parts / components with corrosion retardant properties is made available in the form of composite film/bag/pouch and similar forms in sizes as desired for the application.
  • the said security device is made in a way convenient to use for packaging of metallic articles/parts/components.
  • the said security device provides protection of brand from counterfeits.
  • the said security device also provides protection to multiple metallic articles/parts/components like steel, copper, aluminum, silver, zinc etc, incorporating the unique chemistry of corrosion protection in terms of being nitrite free and non-toxic.
  • the said security device combines the VCI technology with holographic technology to make holographic anti-corrosive composite easily convertible in forms like film/bags/pouches giving a clear advantage of convenience in packaging of metallic articles/parts/components, which provides the end-user of these forms -a unique advantage of corrosion protection combined with brand protection and additionally would also provide the customer with productivity benefits, as it would save a complete process of subsequent application of any security label.
  • the application details involves packing of the metallic articles/parts/components to be protected from counterfeits and effects of corrosion inside the prefabricated composite made available in the form of film/bags/pouches etc and sealing the open end using conventional heat sealing process.
  • the manufacture of the said security device consists of first producing the intermediates like Holographic Film (1), Adhesive (2 & 6) and Plastic film with VCI (3 & 5) which are then combined through a process as detailed hereafter to get the required device.
  • the device so made is then converted to desired forms like film/bag/pouch etc. as required for the needs of packaging considering the form, weight and geometry of the metallic articles/parts/components to be packed.
  • the manufacturing of holographic film is done from the base polymeric film readily available from market.
  • the base film taken can be in varying thickness range from 8 microns to 200 microns of polymers like polyester and polypropylene or PVC ranging from 50 microns to 1000 microns.
  • These films are vacuum metallised and then embossed using a transfer image using the conventional holographic process and in the width desired for further processing keeping in mind the size and form required for end use.
  • the care is also taken to adjust the surface treatment to ensure a good bonding between the said holographic film to the adhesive to be used later in the process for lamination.
  • the adhesive used for bonding again depends upon the end use as regards the temperature of storage, transit conditions etc.
  • the adhesive base is prepared from polymers like aliphatic, aromatic polyurethane, polyester and polyol using conventional cross-linking agents, to give either a room temperature cure, heat activated cure, with or without a post cure at elevated temperature as required for the end use.
  • the various constituents are mixed in required proportions, suitably solvated using aliphatic/aromatic ketones, acetates and / or hydrocarbons and used within the usable life earlier determined for different compositions varying from 2 hours to 14 hours.
  • the mixing is done using conventional mixing equipments for a duration, determined earlier, for different compositions keeping in mind the viscosities of the ingredients to obtain a uniformly distribution and thorough mixing of the ingredients.
  • Plastic film with VCI is done by blending the conventional thermoplastic polymers commercially available based on, polyethylene, polyvinyl etc with the appropriate dosage of VCI chemicals and fillers. Appropriate amounts and type of colourants, readily and commercially available, are also added to get the required colour for ease
  • VCI chemicals are suitably selected to get a nitrite free chemistry, to avoid toxic hazards of nitrite chemistry.
  • contact corrosion inhibitors are also used in the blend. The blend is then subjected to an extruder for obtaining the plastic VCI film of desired thickness and dimensions keeping in mind the size and form required for end use.
  • the thickness can range from 25 microns to 600 microns and the film can be either mono-layer as obtained through a mono-extrusion process or co-extruded as obtained through a co- extrusion process resulting in to film with two or more layers of same or different polymer layers and in different thicknesses of individual layers.
  • the final composite film (A) is then ⁇ cleTived by depositing the adhesive as obtained above once on the holographic film with depositions of adhesive varying from 1 gram per square meter to 10 grams per square meter, as evaluated and validated to obtain the desired level of bonding and in line with the surface treatment levels provided earlier in the process of manufacturing the holographic film.
  • the adhesive deposition is done by using conventional coating/printing machines followed by lamination of the plastic film with VCI (3) with or without printing as required in line with the end use. This is followed by on-line drying/curing using conventional drying / curing equipments.
  • the composite (B) is then similarly made by depositing the adhesive as obtained above on the plastic film (8) and based on the polymers readily available from market. These films taken can be in varying thickness range from 8 microns to 200 microns for polymers like polyester and polypropylene or PVC ranging from 50 microns to 1000 microns.
  • the adhesive depositions vary from 1 gram per square meter to 10 grams per square meter, as evaluated and validated to obtain the desired level of bonding and in line with the surface treatment levels provided earlier in the process of manufacturing the holographic film.
  • the adhesive deposition is done by using conventional coating/printing machines followed by lamination of the plastic film with VCI (3) with or without printing as required in line with the end use. This is followed by on-line drying/curing using conventional drying / curing equipments.
  • the final composite bag/pouch is then derived by sealing the (A) and (B) at selected portions (9) by using conventional sealing equipments based on heat sealing / thermal welding to get the desired levels of bond strengths.
  • Figure 1 shows a cross section (across the thickness) of composite film of the said security device.
  • Figure 2 shows a cross section (across the thickness) of the composite bag/pouch of the said security device
  • the holographic film (1) can be made either of polyester/polypropylene in thickness varying from 8 microns to 200 microns or PVC ranging from 15 microns to 1000 microns.
  • the holograms are embossed holograms metalised to the extent as required by the customer.
  • the plastic film (3) can be either varying in thickness from 25 microns to 600 microns.
  • This film can either be mono-extruded or co-extruded film with thickness varying from 25 microns to 250 microns.
  • the film is made by adding a specific proportion of VCI chemicals and other fillers to provide vapor corrosion and contact corrosion inhabition.
  • This film can be transparent or in nay colour. Different films like PP, PVC, PE may also be used.
  • the adhesive (2) used can be heat laminating adhesive, pressure sensitive adhesive etc. depending upon the nature of material to be bonded.
  • Printing (4) is provided on holographic film as required.
  • FIG 2 which consists of (A) and (B) composite films of bag/ pouch.
  • One side of the device/bag/pouch marked X A' is exactly similar to the said security device with construction as described above. Conversion into bags is achieved by sealing edges of film ⁇ B' with 'A' in specific locations (9).
  • Film % B' will be either polyethylene film with thickness varying from 25 microns to 600 microns or a polyethylene/polyester co-extruded film with thickness varying form 25 microns to 250 microns.
  • the film 'B' is made by adding a specific proportion of VCI chemicals and other fillers to provide vapor corrosion and contact corrosion inhabition. This film can be transparent or in any colour. Different films like PP/PVC may also be used.
  • the sealing (9) to make bags will either be through heat sealing, thermal welding or any other process for effectively sealing of plastic surfaces.
  • the size of the bags will be made as per customer's specific requirements and could be a two side or higher.
  • the bag can be provided with locking systems.
  • Printing (4-7) of either holographic films or the VCI films will be again as per customer requirements either inside or outside of the film or the bag whatsoever, as the case may be. Bags may also be provided with or without printing.

Abstract

Holographic and corrosion retardant security device for packaging of metallic articles/parts/components comprising of a front polymeric sheet/film and a back plastic film with Vapor Corrosion Inhibition, an inner layer of the said front film is vaccum matelised by using conventional method and followed by embossing thereon specific logo or message to get holographic effect by using conventional holographic process, the inner layer of the said film is then coated by using formulated adhesive and it is subsequently dried/cured to desired extent, an outer layer of the said film is being printed with desired matter; the said back plastic sheet/film with VCI is done by blending the conventional thermoplastic polymers with appropriate dosage of VCI chemicals and fillers, being laminated to the said plastic film to get a composite holographic film rendering benefits of brand protection and corrosion retardants; the said holographic composite film may be combined further to another polymeric composite sheets/films of similar construction but without holographic message and with or without printing sandwiched between the layers of the films to form the bottom layer of a composite bag/pouch.

Description

HOLOGRAPHIC AND CORROSION RETARDANT SECURITY DEVICE FOR PACKAGING OF METALLIC ARTICLES/PARTS/COMPONENTS
FIELD OF THE INVENTION:
This invention relates to holographic and corrosion retardant security device for packaging of metallic articles/parts/components and the process of manufacturing the same. The combination of holographic and corrosion retardant security device for packaging of metallic articles/parts/components are not known in the prior art and have been developed first time. The main object of this invention is to provide holographic and corrosion retardant security device which can not be manufactured easily and thus are not available for replacement by any person other than the manufacturer and thereby provide brand protection and corrosion protection. The brand protection is provided in terms of holographic film forming the outer layer and the inner layer of the composite film provides the corrosion protection. The said security device is made available in the form of composite film/bag/pouch and similar forms in sizes as desired for the application and it is made convenient to use for packaging. In addition to providing protection of brand from counterfeits, it also provides protection to multiple metallic articles/parts/components like steel, copper, aluminum, silver, zinc etc. The chemistry of corrosion protection is also unique in terms of being nitrite free and non-toxic. The said security device according to this invention when tempered gives a clear sign visible by naked eye to notice the pilferage or ingenuineness of the product.
DESCRIPTION OF THE PRIOR ART:
To help end-user identify the product that it is genuine, a variety of methods are used. These include complex printing on the package, decorative labels or holograms. Holograms, however, being the result of complex processing technology and also being very attracnve, are today a preferred means. One other factor providing such a protection is tne high cost of copying a hologram.
The application of holograms on the package is through manual or automatic machines. These holograms, are, however, small in size and the application is to be done as a subsequent process.
Traditionally, one of the means of protecting metallic articles/parts/components against corrosion is to package them in anti-corrosive Vapour Corrosion Inhibitor (VCI) bags. These bags are either mainly made of direct extruded polyethylene or co-extruded films. Metal parts put in these bags are protected against corrosion by VCI technology. In some cases, these bags are plain anti-corrosive bags while in some other cases they are printed. These bags are made from either Polyethylene, PVC, PP or PET. Corrosion protection and brand protection today are thus done in 2 separate steps.
INVENTION :
The said security device for packaging of metallic articles / parts / components with corrosion retardant properties, is made available in the form of composite film/bag/pouch and similar forms in sizes as desired for the application. The said security device is made in a way convenient to use for packaging of metallic articles/parts/components. The said security device provides protection of brand from counterfeits. The said security device also provides protection to multiple metallic articles/parts/components like steel, copper, aluminum, silver, zinc etc, incorporating the unique chemistry of corrosion protection in terms of being nitrite free and non-toxic.
The said security device combines the VCI technology with holographic technology to make holographic anti-corrosive composite easily convertible in forms like film/bags/pouches giving a clear advantage of convenience in packaging of metallic articles/parts/components, which provides the end-user of these forms -a unique advantage of corrosion protection combined with brand protection and additionally would also provide the customer with productivity benefits, as it would save a complete process of subsequent application of any security label.
SUMMARY OF THE INVENTION :
The application details involves packing of the metallic articles/parts/components to be protected from counterfeits and effects of corrosion inside the prefabricated composite made available in the form of film/bags/pouches etc and sealing the open end using conventional heat sealing process.
The manufacture of the said security device consists of first producing the intermediates like Holographic Film (1), Adhesive (2 & 6) and Plastic film with VCI (3 & 5) which are then combined through a process as detailed hereafter to get the required device. The device so made is then converted to desired forms like film/bag/pouch etc. as required for the needs of packaging considering the form, weight and geometry of the metallic articles/parts/components to be packed.
The manufacturing of holographic film is done from the base polymeric film readily available from market. The base film taken can be in varying thickness range from 8 microns to 200 microns of polymers like polyester and polypropylene or PVC ranging from 50 microns to 1000 microns. These films are vacuum metallised and then embossed using a transfer image using the conventional holographic process and in the width desired for further processing keeping in mind the size and form required for end use. The care is also taken to adjust the surface treatment to ensure a good bonding between the said holographic film to the adhesive to be used later in the process for lamination. The adhesive used for bonding again depends upon the end use as regards the temperature of storage, transit conditions etc. The adhesive base is prepared from polymers like aliphatic, aromatic polyurethane, polyester and polyol using conventional cross-linking agents, to give either a room temperature cure, heat activated cure, with or without a post cure at elevated temperature as required for the end use. The various constituents are mixed in required proportions, suitably solvated using aliphatic/aromatic ketones, acetates and / or hydrocarbons and used within the usable life earlier determined for different compositions varying from 2 hours to 14 hours. The mixing is done using conventional mixing equipments for a duration, determined earlier, for different compositions keeping in mind the viscosities of the ingredients to obtain a uniformly distribution and thorough mixing of the ingredients.
Manufacturing the Plastic film with VCI is done by blending the conventional thermoplastic polymers commercially available based on, polyethylene, polyvinyl etc with the appropriate dosage of VCI chemicals and fillers. Appropriate amounts and type of colourants, readily and commercially available, are also added to get the required colour for ease
of identification. However in absence of a colourant, a film of natural colour of the polymer base and additives will be obtained which will be as suitable functionally as a coloured film. The VCI chemicals are suitably selected to get a nitrite free chemistry, to avoid toxic hazards of nitrite chemistry. Considering the application demands from corrosion protection angle, contact corrosion inhibitors are also used in the blend. The blend is then subjected to an extruder for obtaining the plastic VCI film of desired thickness and dimensions keeping in mind the size and form required for end use. The thickness can range from 25 microns to 600 microns and the film can be either mono-layer as obtained through a mono-extrusion process or co-extruded as obtained through a co- extrusion process resulting in to film with two or more layers of same or different polymer layers and in different thicknesses of individual layers. The final composite film (A) is then~ cleTived by depositing the adhesive as obtained above once on the holographic film with depositions of adhesive varying from 1 gram per square meter to 10 grams per square meter, as evaluated and validated to obtain the desired level of bonding and in line with the surface treatment levels provided earlier in the process of manufacturing the holographic film. The adhesive deposition is done by using conventional coating/printing machines followed by lamination of the plastic film with VCI (3) with or without printing as required in line with the end use. This is followed by on-line drying/curing using conventional drying / curing equipments.
The composite (B) is then similarly made by depositing the adhesive as obtained above on the plastic film (8) and based on the polymers readily available from market. These films taken can be in varying thickness range from 8 microns to 200 microns for polymers like polyester and polypropylene or PVC ranging from 50 microns to 1000 microns. The adhesive depositions vary from 1 gram per square meter to 10 grams per square meter, as evaluated and validated to obtain the desired level of bonding and in line with the surface treatment levels provided earlier in the process of manufacturing the holographic film. The adhesive deposition is done by using conventional coating/printing machines followed by lamination of the plastic film with VCI (3) with or without printing as required in line with the end use. This is followed by on-line drying/curing using conventional drying / curing equipments.
The final composite bag/pouch is then derived by sealing the (A) and (B) at selected portions (9) by using conventional sealing equipments based on heat sealing / thermal welding to get the desired levels of bond strengths.
DESCRIPTION OF THE PREFERRED EMBODIMENTS :
The invention will now be described with reference to the accompanying drawings wherein: Figure 1 shows a cross section (across the thickness) of composite film of the said security device.
Figure 2 shows a cross section (across the thickness) of the composite bag/pouch of the said security device
With reference to Figure 1, the holographic film (1) can be made either of polyester/polypropylene in thickness varying from 8 microns to 200 microns or PVC ranging from 15 microns to 1000 microns. The holograms are embossed holograms metalised to the extent as required by the customer.
The plastic film (3) can be either varying in thickness from 25 microns to 600 microns. This film can either be mono-extruded or co-extruded film with thickness varying from 25 microns to 250 microns. The film is made by adding a specific proportion of VCI chemicals and other fillers to provide vapor corrosion and contact corrosion inhabition. This film can be transparent or in nay colour. Different films like PP, PVC, PE may also be used.
The adhesive (2) used can be heat laminating adhesive, pressure sensitive adhesive etc. depending upon the nature of material to be bonded. Printing (4) is provided on holographic film as required.
With reference to Figure 2, which consists of (A) and (B) composite films of bag/ pouch. One side of the device/bag/pouch marked XA' is exactly similar to the said security device with construction as described above. Conversion into bags is achieved by sealing edges of film λB' with 'A' in specific locations (9).
Film %B' will be either polyethylene film with thickness varying from 25 microns to 600 microns or a polyethylene/polyester co-extruded film with thickness varying form 25 microns to 250 microns. The film 'B' is made by adding a specific proportion of VCI chemicals and other fillers to provide vapor corrosion and contact corrosion inhabition. This film can be transparent or in any colour. Different films like PP/PVC may also be used.
The sealing (9) to make bags will either be through heat sealing, thermal welding or any other process for effectively sealing of plastic surfaces.
The size of the bags will be made as per customer's specific requirements and could be a two side or higher. The bag can be provided with locking systems.
Printing (4-7) of either holographic films or the VCI films will be again as per customer requirements either inside or outside of the film or the bag whatsoever, as the case may be. Bags may also be provided with or without printing.
The above description is given only to understand the invention rather than limiting its scope. Various modifications are possible which will be evident to the person skilled in the art which should also be considered as falling within the ambit and scope of this invention, the drawing and appended claims.

Claims

We claim :
1. Holographic and corrosion retardant security device for packaging of metallic articles/parts/components comprising of a front polymeric sheet/film and a back plastic film with Vapor Corrosion Inhibition, an inner layer of the said front film is vaccum matelised by using conventional method and followed by embossing thereon specific logo or message to get holographic effect by using conventional holographic process, the inner layer of the said film is then coated by using formulated adhesive and it is subsequently dried/cured to desired extent, an outer layer of the said film is being printed with desired matter; the said back plastic sheet/film with VCI is done by blending the conventional thermoplastic polymers with appropriate dosage of VCI chemicals and fillers, being laminated to the said plastic film to get a composite holographic film rendering benefits of brand protection and corrosion retardants; the said holographic composite film may be combined further to another polymeric composite sheets/films of similar construction but without holographic message and with or without printing sandwiched between the layers of the films to form the bottom layer of a composite bag/pouch.
2. Holographic and corrosion retardant security device for packaging of metallic articles/parts/components as claimed in Claim 1 wherein the said polymeric film consists of polyester; polypropylene, polyvinyl chloride or polythene.
3. Holographic and corrosion retardant security device for packaging of metallic articles/parts/components as claimed in Claim 1 wherein the said polymeric film can be in varying thickness range from 8 microns to 200 microns of polymers like polyester, polypropylene or PVC ranging from 15 microns to 1000 microns.
4. Holographic and corrosion retardant security device for packaging of metallic articles/parts/components as claimed in Claim 1 wherein formulated adhesive can be prepared from polymers like aliphatic; aromatic polyurethane, polyester and polyol using conventional cross-linking agents.
5. Holographic and corrosion retardant security device for packaging of metallic articles/parts/components as claimed in Claim 1 wherein the said polymeric film is being metalised and then embossed using a transfer image by using the conventional holographic process.
6. Holographic and corrosion retardant security device for packaging of metallic articles/parts/components as claimed in Claim 1 wherein the plastic film with VCI can be based on polymers like polypropylene, polyethylene, polyvinyl having thickness range from 25 microns to 600 microns.
7. Holographic and corrosion retardant security device for packaging of metallic articles/parts/components as claimed in Claim 1 and 6 above may be prepared by adding appropriate amounts and types of required colour, for ease of identification.
8. Holographic and corrosion retardant security device for packaging of metallic articles/parts/components as claimed in Claim" 1, 6 and 7 wherein VCI chemicals are necessarily based on nitrite free chemistry and the loading of which varies from 0.1% to 1%.
9. Process of manufacturing holographic and corrosion retardant security device for packaging of metallic articles/parts/components as claimed in Claims 1 to 8 comprising of the above referred steps as described hereinabove.
10. The process of manufacturing holographic and corrosion retardant security device for packaging of metallic articles/parts/components substantially as hereinabove described.
PCT/IN2002/000222 2001-11-20 2002-11-18 Holographic and corrosion retardant security device for packaging of metallic articles/parts/components WO2003043831A2 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN103963504A (en) * 2013-01-24 2014-08-06 深圳市力群印务股份有限公司 Internal-printing method for holographic images and texts

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EP0505689A1 (en) * 1991-03-27 1992-09-30 Zweckform Etikettiertechnik Gesellschaft Mit Beschränkter Haftung Label containing a hologram
WO1993023251A1 (en) * 1992-05-11 1993-11-25 Avery Dennison Corporation Method of enhancing the visibility of diffraction pattern surface embossment
EP1022625A1 (en) * 1999-01-19 2000-07-26 Dai Nippon Printing Co., Ltd. Hologram transfer film
EP1028359A1 (en) * 1998-08-27 2000-08-16 Nippon Mitsubishi Oil Corporation Genuineness detecting system and method for using genuineness detecting film

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
EP0505689A1 (en) * 1991-03-27 1992-09-30 Zweckform Etikettiertechnik Gesellschaft Mit Beschränkter Haftung Label containing a hologram
WO1993023251A1 (en) * 1992-05-11 1993-11-25 Avery Dennison Corporation Method of enhancing the visibility of diffraction pattern surface embossment
EP1028359A1 (en) * 1998-08-27 2000-08-16 Nippon Mitsubishi Oil Corporation Genuineness detecting system and method for using genuineness detecting film
EP1022625A1 (en) * 1999-01-19 2000-07-26 Dai Nippon Printing Co., Ltd. Hologram transfer film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103963504A (en) * 2013-01-24 2014-08-06 深圳市力群印务股份有限公司 Internal-printing method for holographic images and texts

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AU2002360210A1 (en) 2003-06-10
WO2003043831A3 (en) 2003-07-17

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