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NL7410361A - Identity card with envelope - has intermediate layer of non-reacting material invisible in normal light - Google Patents

Identity card with envelope - has intermediate layer of non-reacting material invisible in normal light

Info

Publication number
NL7410361A
NL7410361A NL7410361A NL7410361A NL7410361A NL 7410361 A NL7410361 A NL 7410361A NL 7410361 A NL7410361 A NL 7410361A NL 7410361 A NL7410361 A NL 7410361A NL 7410361 A NL7410361 A NL 7410361A
Authority
NL
Netherlands
Prior art keywords
envelope
card
normal light
intermediate layer
identity card
Prior art date
Application number
NL7410361A
Other languages
Dutch (nl)
Original Assignee
Gen Binding 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.)
Filing date
Publication date
Application filed by Gen Binding Corp filed Critical Gen Binding Corp
Publication of NL7410361A publication Critical patent/NL7410361A/en

Links

Classifications

    • 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D2033/04—
    • B42D2033/20—
    • B42D2033/22—
    • B42D2033/32—
    • 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/387—Special inks absorbing or reflecting ultraviolet light

Landscapes

  • Laminated Bodies (AREA)

Abstract

The envelope consists of two sheets of plastic welded together along the edges clear of the card, one at least being transparent. Between the card itself (1) and the envelope (2) is a material (6) reacting neither with the card material nor with that of the envelope, and invisible to the naked eye in normal light. The side of one or both the sheets adjacent to the card can be coated with water-soluble material. A radioactive dust can be inserted between card and envelope, or where water-soluble material is used this can be transparent and visible under the effect of ultraviolet radiation. The card can be perforated, the sheets being welded together at the perforation.
NL7410361A 1974-03-12 1974-08-01 Identity card with envelope - has intermediate layer of non-reacting material invisible in normal light NL7410361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH353974 1974-03-12

Publications (1)

Publication Number Publication Date
NL7410361A true NL7410361A (en) 1975-09-16

Family

ID=4258164

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7410361A NL7410361A (en) 1974-03-12 1974-08-01 Identity card with envelope - has intermediate layer of non-reacting material invisible in normal light

Country Status (1)

Country Link
NL (1) NL7410361A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4725078A (en) * 1986-06-30 1988-02-16 National Gypsum Company Wallboard identification system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4725078A (en) * 1986-06-30 1988-02-16 National Gypsum Company Wallboard identification system

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