AU619241B2 – Composite cards
– Google Patents
AU619241B2 – Composite cards
– Google Patents
Composite cards
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Publication number
AU619241B2
AU619241B2
AU28925/89A
AU2892589A
AU619241B2
AU 619241 B2
AU619241 B2
AU 619241B2
AU 28925/89 A
AU28925/89 A
AU 28925/89A
AU 2892589 A
AU2892589 A
AU 2892589A
AU 619241 B2
AU619241 B2
AU 619241B2
Authority
AU
Australia
Prior art keywords
composite
transparent
composite core
precious metal
layer
Prior art date
1988-03-01
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.)
Ceased
Application number
AU28925/89A
Other versions
AU2892589A
(en
Inventor
Naoyuki Hosoda
Masaki Morikawa
Naoki Uchiyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Materials Corp
Original Assignee
Mitsubishi Materials Corp
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.)
1988-03-01
Filing date
1989-01-30
Publication date
1992-01-23
1988-03-01
Priority claimed from JP1988027299U
external-priority
patent/JPH01131600U/ja
1988-04-13
Priority claimed from JP63091069A
external-priority
patent/JPH01263933A/en
1988-04-14
Priority claimed from JP63092315A
external-priority
patent/JP2586095B2/en
1988-04-28
Priority claimed from JP63106711A
external-priority
patent/JP2586098B2/en
1988-04-28
Priority claimed from JP63106710A
external-priority
patent/JP2653097B2/en
1988-04-28
Priority claimed from JP63106712A
external-priority
patent/JP2546333B2/en
1989-01-30
Application filed by Mitsubishi Materials Corp
filed
Critical
Mitsubishi Materials Corp
1989-09-07
Publication of AU2892589A
publication
Critical
patent/AU2892589A/en
1991-11-28
Assigned to MITSUBISHI MATERIALS CORPORATION
reassignment
MITSUBISHI MATERIALS CORPORATION
Amend patent request/document other than specification (104)
Assignors: MITSUBISHI METAL CORP.
1992-01-23
Publication of AU619241B2
publication
Critical
patent/AU619241B2/en
1992-01-23
Application granted
granted
Critical
2009-01-30
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
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Classifications
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
B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
B32B37/182—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only one or more of the layers being plastic
B32B37/185—Laminating sheets, panels or inserts between two discrete plastic layers
B—PERFORMING OPERATIONS; TRANSPORTING
B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
B42D15/00—Printed matter of special format or style not otherwise provided for
B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
G—PHYSICS
G06—COMPUTING; CALCULATING OR COUNTING
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
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
B32B2311/00—Metals, their alloys or their compounds
B32B2311/02—Noble metals
B32B2311/04—Gold
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
B32B2425/00—Cards, e.g. identity cards, credit cards
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
B32B2429/00—Carriers for sound or information
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/23—Sheet including cover or casing
Y10T428/239—Complete cover or casing
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
Y10T428/24628—Nonplanar uniform thickness material
Y10T428/24736—Ornamental design or indicia
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
Y10T428/24851—Intermediate layer is discontinuous or differential
Y10T428/24868—Translucent outer layer
Y10T428/24884—Translucent layer comprises natural oil, wax, resin, gum, glue, gelatin
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/31504—Composite [nonstructural laminate]
Y10T428/31678—Of metal
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/31504—Composite [nonstructural laminate]
Y10T428/31678—Of metal
Y10T428/31692—Next to addition polymer from unsaturated monomers
Y10T428/31699—Ester, halide or nitrile of addition polymer
Description
r; I:L~L~IIXLI~ COMMONWEALTH OF AUSTRALIA Patent Act 1952 6 4 COMPLETE SPECIFICATION
(ORIGINAL)
Class Int. Class Application Number Lodged Complete Specification Lodged Accepted Published Priority Related Art .0 I Name of Applicant S Address of Applicant Actual Inventor/s SAddress: for Service 1 March 1988,1 March 1988, 13 April 1988, 14 April 1988, 28 April 1988, 28 April 1988, 28 April 1988 M-i-te&-,ub-sh i inza oku-rabuShiki MAiIL. i 4 1 4N;o s t yc cv c ntemachi 1-chnme, C h i yoda-ku-r -Tigkyg -,a-pa-n S~ 1 0 e V- 0 O v V jO. r_.V ar- f Masaki Morikawa Naoyuki Hosoda Naoki Uchiyama i F.B. RICE CO., C4 .4/ Patent Attorneys, 28A Montague Street, BALMAIN 2041.
Compiete Specification for the invention entitled: COMPOSITE CARDS The following statement is a full description of this invention including the best method of performing it known to us/me:- .i FIELD OF THE INVENTION The present invention relates to a composite card, which is attractive, valuable and convenient as gifts and souvenirs; furthermore, said composite card has considerable appeal as decorative gifts, because said card is made from one of a groups of precious metals consisting of gold, silver or platinum and the like.
SBACKGROUND ART Reproduction of impressions by means of stamping 6 *0 10 with metal dies equipped with suitable impressions, or embossing, has been widely practised for gold L(ins and commemorative medals.
In recent years, the public has shown interest in purchasing gram-quant’ties of gold, which created a new “0°°15 market in precious metal gifts and souvenirs. However, 0000 o° I the traditional embossing techniques applicable to coins and medals are not suitable for thin strip or sheet materials, typical of the new market, and the products produced by such techniques generally lacked aesthetic appeal as gifts and souvenirs.
Therefore, it would be of great interest to be able to emboss by roll forming appropriate impressions on the surface of thinly-rolled strip materials. For example, a one gram piece of gold can be rolled into an attractive foil material of 20 micrometers thickness which is a candidate material for such roll-embossing operations.
2 ~1 ~a However, such embossing/marking operations are difficult to perform on such thin materials, because they lack mechanical strength, and easily suffer from mechanical damages during production and handling operations.
Furthermore, gifts and medallions are usually custom made for a large number of small-lot customers, and the high cost of metal dies makes it uneconomical to produce such items by roll-embossing.
In such instances, a composite material, consisting of a precious metal foil backing and a separate transparent acrylic plate having suitable preset patterns or designs, may provide an attractive alternative production method to roll-forming or stamping operations.
In this case, the precious metal foil can be mass produced while various decorative plate having preset custom markings can be produced in small lot quantities.
The difficulties of handling thin foil materials remain as well as the difficulties associated with processing a composite assembly, however.
S ITMMARY OF THE INVENTION Ia ‘al I C ala 1 OUULU”‘ -I
I
a This invention relates to a decorative precious metal composite card; which can be manufactured from a small quantity of precious metals; which are not susceptible to manufacturing damages; and which permits economical production of a large variety of small lot quantities.
I According to this invention, a composite core material is made by laminating transparent protective layers of polymeric material on both sides of a plain metal foil material made from a group of precious metals consisting of unalloyed and alloyed precious metals.
The above composite core material is assembled to another transparent sheet material with opaque markings, said sheet material, hereinafter referred to as a decorative component, having mostly transparent areas and suitably marked opaque regions. Said assembled material is further encased in a transparent polymeric material to provide overall protection on both sides of the said composite, thereby producing durable, attractive precious metal composite cards suitable for gifts and souvenirs.
1 l5 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic plan view of a composite card described in a first preferred embodiment of the present invention.
S, Figure 2 is an oblique view of a precious metal foil laminated with a primary protective covering.
Figure 3 is a schematic sectional view of the composite core material. N 4 Figure 4 is an oblique view of a second preferred embodiment of the composite card.
Figure 5 provides explanations of composite card manufacturing steps.
Figure 6 is a plan view of a strip of said cards.
Figure 7 is an oblique view of a third preferred embodiment of composite material. I”
A
I 1- -ii ri”c-~ rrY:l-~~ tI Figure Figure Figure covering on Figure embodiment Figure Figure Figure 4 S8 is a sectional view of above embodiment.
S9 is a plan view of a decorative component.
10 is a sectional view of a second protective said composite card.
11 is an oblique view of a fourth preferred of the composite card.
12 is a view of an assembled sample.
13 is a sectional view of above embodiment.
14 is an oblique view of a magnetic composite card.
Figure 15 is an oblique view of a magnetic tape s 4 composite card.
J DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS OF THE S. PRESENT INVENTION Figures 1 to 3 relate to a first preferred embodiment of this invention. A thin gold foil material 1 shown in this preferred embodiment was made from a 99.999 pure gold ingot by repeated rolling operations les to produce foil materials of about 0.005 mm to 0.3 mm thickness. Said foil material was later cut into a suitably sized rectangular pieces.
The weight and purity information were engraved on I a S the surface of the gold foil by a YAG laser, in this preferred embodiment, which created a series of fine grooves having a depth of approximately 1/10 of the thickness of the metal foil.
The information, engraved on the metal foil at the conclusion of the foil rolling operation, was for indicating the quality of the metal foil material,
Y_
including such information as the trade mark of a supplier of the precious metal, and were not for the purpose of showing information requested by the customer.
It should be noted that the shape of the composite core material is not restricted to rectangles only, nor is the material of construction limited to gold; silver, platinum and the like are also applicable.
As shown in Figure 2, said foil material 1 was laminated with transparent polymeric sheet materials, having a size slightly larger than the foil material 1 itself (in this case about 1 mm larger in all directions). This laminated covering was denoted as the primary protective covering 4. When the edges of the sheet material were sealed, the metal foil became 4 4 laminated inside the envelope, thereby producing a composite core 5. The primary protective covering 4 was, in fact,, composed of a double layer, as shown in Figure 3. The outer layer 4a, of 100 micrometer thickness, was made from a PET (polyethylene telephthalate) which is mechanically strong. The inner layer 4b, of micrometer thickness, was made from an ionomer resin (Trade Name Surlyn, manufactured ans sold by Du Pont) which can be applied at relatively low temperatures. By utilizing a polymer of a relatively low softening temperature for the inside lamination of a double lamination procedure, it was possible to prevent overall distortion of the primary protective covering 4 during the laminating operation.
0/ o 6 The composite core 5 thus formed was both durable and easy to handle, even though the foil material, formed from a small lump of gold weighing only about several grams, itself was fragile. The composite core was visually attractive because of its relatively large area and was suitable for quality gifts and souvenirs.
Figure 4 shows a second preferred embodiment of this invention. A composite core strip 7 shown here had basically the same double layer construction of the primary protective covering 8 as was shown in the first preferred embodiment, consisting of a central metal foil laminated with transparent polymeric materials having the same size and area measurements. Such a composite core strip 7 has an additional advantage that it can be mass produced while providing the same degree of protection as the composite core 5 shown in the first preferred embodiment, above.
A method of mass producing such a composite, core strip 7 is explained with reference to Figure 5. A metal foil strip 10 (of 15 micrometer thickness) was taken off a roll 11 to be laminated with a double-layer polymer j strip 12, consisting of a PET and a Surlyn, wound on a spool 13. The two materials, metal foil strip 10 and a polymer strip 12 were thermally bonded in a pair of pressing rolls 15 subsequent to passing through a preheater rolls 14, so as to form a triple-layered composite core strip material 16. A large quantity of said composite core strip 7 was produced by stamping out i- i i the required area in succession from a center section of the composite strip 7. The clean edges of this type of composite core are advantageous when laminated with transparent outer protectors, as will be explained later.
The laminates were not susceptible to delaminecion because of the sealing provided by Surlyn.
The preferred embodiments described above are intended primarily to provide transparent blank materials for manufacturing of composite cards in conjunction with decorative components. However, the core materials can also be used for decorative purposes by embossing directly on the protective surfaces. The markings can be placed on such cards in the same way as in the case of separate protective coverings, but the durability is L5 better if the markings are placed on the inside surface of the outer laminate. To place markings on the card shown in the preferred embodiment in Figure 4, it would 0 be convenient to place regularly spaced markings on the 00 04° a polymer strip 12, shown in Figure 5, to guide separation “‘420 into individual cards along the markings, such as those shown in Figure 6.
4 4 4A third preferred embodiment is shown in Figures 7 to 10. The pictorial composite cards shown in these figures were produced by combining transparent decorative component 20 (to be explained next) with said composite core 5 (a material having no or very little decorative character), and encasing the whole combination in a secondary protective covering 21.
S/
y Ilj l U~YI~XSmlr( -u Said decorative component 20 comprises opaque pictorial design element 22 (hereinafter referred to as pictorial element 22), superimposed on a transparent plate made of such plastic materials as acrylic and glass. The material of construction of decorative component 20 need not necessarily be a stiff material, but softness and thickness can be adjusted according to applications. The pictorial patterns can be placed on the decorative component 20 by any suitable means or combination of means, such as painting, engraving and o o etching, and the like. The opaque parts can serve either 00 o as a pictorial element 22 or as a background element.
o s 0 aO0a The pictorial portions can be cut out also to expose the a” metal background. The contents of the pictorial element 0 00 i 22 to be placed on the decorative component 20 are not limited. For wedding announcements, for example, the names to be slhown may vary from case to case, but in o other applications such as business cards, commemorative 9000 medals, and reproductions of famous art and designs, *2 repetitive patterns may be required. Other reproductive oo00 techniques, such as photocopying, thermal printing, laser copying and photo-reproduction, are also applicable A techniques.
*0 As shown in Figure 10, the secondary protective covering 21 comprised a t’ciple structure: an outermost layer 21a, of 10 micrometer thickness, which was made of acrylic to utilize its high surface hardness; a middle layer 21b, of 50 micrometer thickness, which was made of a thermoplastic, PET, to utilize its mechanical strength; i i I l le~- r~-c o u and the inside layer 21c, of 50 micrometer thickness, which was made of a thermoplastic resin, Surlyn, to enable bonding of the composite core 5 to said transparent decorative component 20 at relatively low temperatures. The triple structure of said secondary protective covering permits distortion-free bonding of the protective layer on the composite core 5 and permits production of durable, attractive cards made possible by a long term protection of the surfaces by durable transparent acrylic covering.
The composite core 5 is protected from bending and S other damages which may occur during handling and transportation, because of the reinforcing action of the decorative component 20; therefore, this production i i technique minimizes the occurrence of losses due to damaged goods. Furthermore, the composite core 5 is further protected and secured by the secondary laminations 21, thus providing additional means for preserving the original appearance of the composite card by preventing relative shifting of the precious metal foil 1 with respect to the decorative component 20, and by preventing wrinkling of the foil and other mechanical damages as well as soiling of the surfaces. The superior appearance of the composite card is a further result of the fact that, because the metal foil 1 is protected with the primary protective covering 4, light is diffracted at the interfaces, thereby eliminating the transparency of the foil material 1 and providing an appearance and a color tone of the solid precious metal. For the same PL1i reasons, the pictorial elements 22 on the decorative component 20 do not appear transparent.
The third preferred embodiment described a case of superimposing decorative component 20 on top of the composite core 5, but it should be noted that volume production of composite cards is possible by utilizing the decorative component 20 with the thin composite core strip 7 cited in the second preferred embodiment above.
The fourth preferred embodiment of the preferred embodiments is shown in Figures 11 and 12. This is a case in which the composite core 5 was contained in a I 0 B o o pair of transparent decorative plates 20a and 20b, and o 00 0 0 o which assembly was then encased in the secondary 0 00 0 o protective covering 21.
0 B 0 The information to be exhibited was placed on the decorative plates 20a and 20b, and there was little need for using the composite core 5 for -this purpose. The materials of construction of 20a and 20b can be the same as described previously.
The example above is particularly useful in cases wherein the precious metal foil 1 is made of a very thin foil material.
In the third and fourth preferred embodiments described above, the core components, the composite core 5 and composite core strip 7, can be reused repeatedly, in combination with new decorative components having different patterns and designs, thus permitting economical productions of a variety of small, volume custom products. The precious metal core can be made 11 convertible to currency by declaring appropriate information, such as a trade mark and purity to indicate the quality of the core, on the foil itself.
A fifth preferred embodiment is shown in Figure 14, an example of a card which serves decorative and functional purposes. Said card comprises opaque pictorial element 22 (described in the preferred embodiment 2) and a magnetic layer 23, having a magnetic layer of thickness of about 4 to 6 micrometer made of a magnetic material, such as ferrites. These cards are useful for the production of prepaid cards and other portable cards for identification purposes. In these cases, it is desirable to place the information on the primary covering 8.
A sixth preferred embodiment shown in Figure describes an application of a composite card case cited in the third preferred embodiment in combination with a magnetic tape 23a. This type of cards 24 is useful for the production of cash cards and other banking cards.
i i i.
Claims (8)
1. A composite card comprising; a composite core having a precious metal foil material, said material being encased, by lamination, in a transparent polymeric material; a decorative component having opaque decorative patterns positioned adjacent the composite core; and a secondary transparent protective covering encasing the composite core and decorative component.
2. A composite card according to claim 1, wherein the thickness of said precious metal foil is in the range of 0.005mm to 0.3mm.
3. A composite card according to claim 1 wherein said lamination compLises an outer lamination layer and an inner lamination layer, wherein said outer lamination layer has a higher softening temperature than said inner lamination layer.
4. A composite card according to claim 1 wherein said secondary protective covering comprises three layers: a transparent innermost layer; a middle layer having a softening temperature higher than the softening temperature of said innermost layer; and a transparent outermost layer made of a material of relatively high hardness.
5. A precious metal composite card as claim 3, wherein the metal is selected from a group consisting of gold and gold alloys.
6. A process for making a composite card comprising: encasing a precious metal foil by lamination in a transparent polymeric mat.erial positioning a decorative component having opaque decorative patterns adjacent the composite core: and t, ‘ng the composite core and decorative component in a seconaary transparent protective covering.
7. The process of claim 5 wherein the composite core is 13 thermally bonded to the secondary protective covering.
8. A precious metal composite card as hereinbefore described with reference to the accompanying figures. DATED this 29 day of October 1991 MITSUBISHI KINZOKU KABUSHIKI KAISHA Patent Attorneys for the Applicant: F.B. RICE CO. I:
AU28925/89A
1988-03-01
1989-01-30
Composite cards
Ceased
AU619241B2
(en)
Applications Claiming Priority (14)
Application Number
Priority Date
Filing Date
Title
JP63-27299
1988-03-01
JP2729888
1988-03-01
JP1988027299U
JPH01131600U
(en)
1988-03-01
1988-03-01
JP63-27298
1988-03-01
JP63091069A
JPH01263933A
(en)
1988-04-13
1988-04-13
Magnetic card
JP63-91069
1988-04-13
JP63092315A
JP2586095B2
(en)
1988-04-14
1988-04-14
Thin precious metal composite board
JP63-92315
1988-04-14
JP63106710A
JP2653097B2
(en)
1988-04-28
1988-04-28
Thin precious metal composite board
JP63-106710
1988-04-28
JP63106712A
JP2546333B2
(en)
1988-04-28
1988-04-28
Thin precious metal composite plate with emoji
JP63-106712
1988-04-28
JP63106711A
JP2586098B2
(en)
1988-04-28
1988-04-28
Thin precious metal composite board
JP63-106711
1988-04-28
Publications (2)
Publication Number
Publication Date
AU2892589A
AU2892589A
(en)
1989-09-07
AU619241B2
true
AU619241B2
(en)
1992-01-23
Family
ID=27564132
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU28925/89A
Ceased
AU619241B2
(en)
1988-03-01
1989-01-30
Composite cards
Country Status (8)
Country
Link
US
(1)
US5120589A
(en)
EP
(1)
EP0330726B1
(en)
KR
(1)
KR930012175B1
(en)
AU
(1)
AU619241B2
(en)
DE
(1)
DE3852944T2
(en)
DK
(1)
DK171326B1
(en)
ES
(1)
ES2070119T3
(en)
HK
(1)
HK151195A
(en)
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* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5364482A
(en)
*
1988-02-10
1994-11-15
Mitsubishi Materials Corporation
Composite cards
US5270101A
(en)
*
1992-05-18
1993-12-14
Leonard Helicher
Collectable promotional card
JP2542551B2
(en)
*
1992-09-07
1996-10-09
黒田 暢夫
Thermal transfer decorative piece made of thermoplastic synthetic resin and manufacturing method thereof
US5599416A
(en)
*
1993-11-12
1997-02-04
Kuwahara; Eiji
Thermally transferable type emblem made of thermoplastic synthetic resin and method of manufacturing the same
JP3235943B2
(en)
*
1995-02-06
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ES
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KR
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AU
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Also Published As
Publication number
Publication date
EP0330726A2
(en)
1989-09-06
DE3852944T2
(en)
1995-07-06
DK727088A
(en)
1989-09-02
KR930012175B1
(en)
1993-12-24
DK727088D0
(en)
1988-12-29
KR890014281A
(en)
1989-10-23
EP0330726B1
(en)
1995-02-01
ES2070119T3
(en)
1995-06-01
US5120589A
(en)
1992-06-09
EP0330726A3
(en)
1990-06-13
HK151195A
(en)
1995-09-29
DK171326B1
(en)
1996-09-09
DE3852944D1
(en)
1995-03-16
AU2892589A
(en)
1989-09-07
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