CN2574127Y - Cipher theftproof structure on card - Google Patents

Abstract

The utility model discloses a cipher theftproof structure on a card body, which mainly solves the problems of poor non-recovery property and easy stolen of ciphers of the prior art. The cipher theftproof structure on a card body comprises a card body, a non-dried adhesive layer, a base film layer and a film scraping film which are covered on the non-dried adhesive layer, wherein, a silver ink layer composed of silver ink is arranged between the non-dried adhesive layer and the card body, and ciphers are printed on the silver ink layer. The cipher theftproof structure on a card body has the advantage of favorable non-recovery property, and can better protect ciphers from being stolen.

Description

Cipher structure for guarding against theft on the card body

Technical field

The utility model relates to a kind of cipher structure for guarding against theft, particularly the cipher structure for guarding against theft on the card body.

Background technology

Along with the development of progress of science and technology and society, because easy to use, convenient, people use all kinds of cards such as phonecard, stored value card etc. to consume more and more.These cartoons are crossed the password that carries on the card body, make between legal holden and its number of the account and set up one-to-one relationship, so password is very important to ensureing the legal holden safe handling.Existing cipher structure for guarding against theft, as Fig. 1, be on the card body 1 that toughness material is made, to stamp password, covering non-drying glue layer 2 on the password, the base membrane layer made from toughness material 3 is arranged on non-drying glue layer 2, scraping membrane layer 4 is arranged on base membrane layer 3, after the holder scrapes the film band 5 that scraping membrane layer, base membrane layer, non-drying glue layer form off, can obtain password, and after being scraped off, overlayer can not restore, make the holder after obtaining password, card can not be transferred the possession of once more, thus the security of assurance number of the account.But this cipher structure for guarding against theft; because its adhesive sticker is not solidifying under the environment usually; intensity is lower; and with the bonding two sides of adhesive sticker all be intensity high toughness material; sharp things such as use blade are very easily severed film band 5; in addition; the thermal stability of adhesive sticker is relatively poor; will occur when being heated to uniform temperature softening; reduce viscosity, film band 5 easily peeled off from card body 1, sever under the situation of not damaging the film band or the stripping film band after; the film band can be restored after unprincipled fellow's stealing passwords and glue back and reassignment, make password forfeiture protective effect.

Background technology

The purpose of this utility model is to provide a kind of cipher structure for guarding against theft that blocks on the body, has preferably not recoverability, can protect password preferably.

Cipher structure for guarding against theft on the card body described in the utility model contains card body, non-drying glue layer and covers base membrane layer, scraping membrane layer on the non-drying glue layer, also has the silver ink layer of being made up of the silver China ink between non-drying glue layer and card body, and password is imprinted on the silver ink layer;

Have the edge of a knife on described silver ink layer, described password is imprinted between the edge of a knife, have on the non-drying glue layer with silver ink layer on the corresponding edge of a knife of degree of lip-rounding shape of operating on.

Because the cipher structure for guarding against theft on the card body described in the utility model, between non-drying glue layer and card body, the lower silver ink layer of one deck intensity is arranged, and password is imprinted on the silver ink layer, when removing to cut the film band with sharp things such as cuttves, the strength of materials of silver ink layer and non-drying glue layer is close, bounding force between the two is stronger, and silver ink layer and card body differ bigger because of the strength of materials, its bounding force is relatively poor, especially having the silver ink layer of the edge of a knife, what take place to separate must be between silver ink layer and card body, and the black layer of silver is uncovered together, makes password destroyed or covered; Equally; after heating; the viscosity of non-drying glue layer dies down; but because the intensity of silver ink layer is lower, particularly have the silver ink layer of the edge of a knife, still can under the faint viscous force effect of non-drying glue layer, peel off with the card body; make password destroyed or covered; that is, the cipher structure for guarding against theft of this structure has preferably not recoverability, can protect password preferably.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail:

Fig. 1 is the synoptic diagram of prior art;

Fig. 2 is a synoptic diagram of the present utility model;

Fig. 3 is mouthful synoptic diagram of operating on the utility model silver ink layer;

Fig. 4 is mouthful synoptic diagram of operating on the utility model non-drying glue layer;

Embodiment

Cipher structure for guarding against theft on the card body described in the utility model contains card body 1, non-drying glue layer 2 and covers base membrane layer 3, scraping membrane layer 4 on the non-drying glue layer, also has the silver ink layer of being made up of the silver China ink 5 at non-drying glue layer 2 and 1 of card body, and password is imprinted on the silver ink layer 5;

Have the edge of a knife 6 on described silver ink layer 5, described password is imprinted on 6 on the edge of a knife, have on the non-drying glue layer 2 with silver ink layer 5 on the corresponding edge of a knife 6 of mouthful 6 shapes of operating on;

Also have chalk layer, silk-screen gloss oil layer between described silver ink layer and card body, the chalk layer covers on the card body 1, and the silk-screen gloss oil is laminated to be connected with the chalk layer, and another side is connected with silver ink layer 5;

The shape of the edge of a knife 6 on the described silver ink layer 5 is rhombuses, and the edge of a knife 6 shapes that have on the described non-drying glue layer 2 also are rhombuses, through overtesting, this shape edge of a knife shape effects the best;

The edge of a knife 6 shapes on described silver ink layer 5 and the non-drying glue layer 2 can also be circular, square, also can be the non-sealing edges of a knife, or other shape.

Embodiment described in the utility model is not limited to the foregoing description.

Claims (5)

1, the cipher structure for guarding against theft on the card body, contain card body (1), non-drying glue layer (2), with the base membrane layer (3), the scraping membrane layer (4) that cover on the non-drying glue layer (2), it is characterized in that: also have the silver ink layer of being made up of the silver China ink (5) between non-drying glue layer (2) and card body (1), password is imprinted on the silver ink layer (5).

2, according to the cipher structure for guarding against theft on the described card body of claim 1, it is characterized in that: on described silver ink layer (5), have the edge of a knife (6), described password is imprinted between the edge of a knife (6), have on the non-drying glue layer (2) with silver ink layer (5) on the corresponding edge of a knife (6) of mouthful (6) shape of operating on.

3, the cipher structure for guarding against theft on the card body according to claim 1, it is characterized in that: between described silver ink layer (5) and card body (1), also have chalk layer, silk-screen gloss oil layer, the chalk layer covers on the card body (1), the silk-screen gloss oil is laminated to be connected with the chalk layer, another side is connected with silver ink layer (5), has the edge of a knife on described silver ink layer (5) and non-drying glue layer (2).

4, according to the cipher structure for guarding against theft on claim 2 or the 3 described card bodies, it is characterized in that: the edge of a knife (6) shape on described silver ink layer (5) and the non-drying glue layer (2) is a rhombus.

5, according to the cipher structure for guarding against theft on claim 2 or the 3 described card bodies, it is characterized in that: the edge of a knife (6) shape on described silver ink layer (5) and the non-drying glue layer (2) is circular, the square or non-sealing edge of a knife.

Images