RU38131U1 - SELF-COPYING PAPER KIT - Google Patents

Description

2004103374

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Letterhead set made of carbonless paper.

 -V41MZ / 14

The utility model relates to the printing industry and can be used in the manufacture of valuable documents that require increased protection from fakes, erasures, corrections, in particular - in the manufacture of letterheads requiring mandatory copying, for example, bank accounts, order forms, train tickets, luggage transportation documents , mail, receipts of various fees, various invoices, payment orders, customs declarations, receipts, forms of standard contracts and any documentation in cases production.

A two-part train ticket is known from patent literature. The first part includes information about the departure and arrival at the destination, the second represents the boarding pass remaining with the conductor (JP 9058167, CL B 42 D 15/10, 03/04/97).

A disadvantage of the known solution is that this ticket has a weak degree of protection against counterfeiting and does not provide the ability to control the passage of the ticket from the moment of its sale to the end of use by the person who bought it, which does not exclude the possibility of unauthorized sales of such tickets.

Also known is a method of manufacturing train tickets consisting of several sheets (US 4,512,595, class B 42 D 15/00, 04/23/85). The method includes preparing paper for printing, offset printing offset method. The selection of sheets and the application of adhesive layers on the sheets to connect them, for example, along the left edge. Paper for printing ticket sheets is covered with microcapsule copy layers for so-called carbonless copying. A known solution is aimed at preventing fakes associated with changing the information contained on the forms.

Looking at the variety of existing methods and means of protecting securities, counterfeiting continues to take place. Their number is not reduced.

From practice, there are cases when the services that fill out the forms in order to add other information on sheets 1 and 2 did the following - previously the form consisted of 3 sheets:

1 sheet of self-copying paper with a transfer layer of microcapsules containing a color former applied to the back of the sheet;

2-sheet self-copying paper with a transfer layer of microcapsules containing a color former applied to the back of the sheet;

3list plain paper

Those. it was possible to fill out the first sheet with information different from the information on sheets 2 and 3. To do this, the filler did the following: bent the first sheet and filled out 2 and 3 sheets, and then filled 1 sheet with other information.

Therefore, efforts are being made to develop new, more reliable methods, to protect information on all three sheets of the form provided, so that none of the 3 sheets of the kit can be filled out separately.

Currently, there is a need to improve authentication technology in order to counter the increasingly sophisticated technology used in document forgery.

The technical result of the utility model is the production of a letterhead kit, the sheets of which could not be filled separately, and the fake is easy to recognize when examined with the naked eye.

The specified technical result is achieved due to the fact that the blank set of self-copying paper is made in the form of a slip from three sheets: the top sheet with a “transfer coating on the back, the middle sheet with a“ transfer coating on the back of microcapsules containing a colorifier and a lower sheet, characterized in that the back side of the top sheet of the kit is coated with carbon fiber of a double color, and on the front side of the sheet is applied a combination layer of microcapsules with a color former and reactive pigment royavitelya on the front side, and a bottom sheet - from plain paper.

The proposed utility model is illustrated in the drawing, where:

FIG. a slip chart of a blank kit for valuable documents is presented.

1 - self-copying paper, with a transfer coating, 2 - self-copying paper, with a transfer coating, 3 - plain paper, 4 - layer - a combination of microcapsules with a color former and reactive pigment, 5 - carbon of double color, 6 - a layer of microcapsules containing a color former .

The letterhead set is made of three sheets of carbonless paper of a rectangular shape, on which font graphics and anti-counterfeiting means are applied by offset printing: along the perimeter there is an ornamental frame and throughout the field there is a gelled ornamental mesh on each sheet. The first sheet (top) is made of carbonless paper, with a transfer coating coated on

the back side of the carbon fiber is of a double color, the combination of microcapsules with a color former and the reactive developer pigment on the front side is applied on the front side of the sheet, under the influence of mechanical pressure, a copy is obtained on it.

The second (middle) is made of paper with a transmitting layer of microcapsules containing a color former applied to the back of the sheet.

Third (bottom) plain paper

Mechanical pressure when filling out the form causes the destruction of the microcapsules, the release of the color-forming solution, so an impression appears.

Sealing can be accomplished by all conventional printing methods. To glue blank sets, glue is used, the feature of which is that, gluing the layers together, it does not soak them through, providing easy separation of the sheets from each other.

Example. The letterhead set of a valuable document is a slip of several types of paper. On the front side of all three sheets, the slip has a complex graphic design decorative and artistic frame and text design. The first sheet (top) is made of self-copying paper, with a transfer coating coated on the back of a double-colored carbon fiber, a combination layer of microcapsules with a color former and a reactive developer pigment on the front side is applied to the front side of the sheet, under the influence of mechanical pressure, a copy is obtained on it .

The second (middle) is made of paper with a transmitting layer of microcapsules containing a color former applied to the back of the sheet.

Third (bottom) plain paper

With this configuration we get the following:

The filler begins to write on 1 sheet and the image in the form of black and red text is transferred to 2 sheets, in turn, the second sheet transfers the image to the third sheet.

In the event that when filling on the first sheet, a blank sheet of paper is superimposed and the document is started to be filled so that black text remains on the second sheet and the image is transferred to the first sheet, then the effect at which the first sheet remains blank is not achieved, because under the action of mechanical pressure is the destruction of the microcapsules of the layer with a color former and the reactive developer pigment on the front side.

Claims (1)

The blank set of self-copying paper is made in the form of a slip from three sheets: the top sheet with a “transmitting” coating on the back, the middle sheet with a “transmitting” coating on the back of microcapsules containing a color former, and the bottom sheet, characterized in that on the back the top sheet of the kit is coated with carbon fiber in double color, and on the front side of the sheet is applied a combination layer of microcapsules with a color former and reactive pigment "developer on the front side", and the bottom sheet is made of simple b madagi.